__filename__ = "webapp_post.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.3.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@libreserver.org"
__status__ = "Production"
__module_group__ = "Web Interface"

import os
import time
import urllib.parse
from dateutil.parser import parse
from auth import create_password
from git import is_git_patch
from datetime import datetime
from cache import get_person_from_cache
from bookmarks import bookmarked_by_person
from announce import announced_by_person
from announce import no_of_announces
from like import liked_by_person
from like import no_of_likes
from follow import is_following_actor
from posts import post_is_muted
from posts import get_person_box
from posts import download_announce
from posts import populate_replies_json
from utils import convert_published_to_local_timezone
from utils import remove_hash_from_post_id
from utils import remove_html
from utils import get_actor_languages_list
from utils import get_base_content_from_post
from utils import get_content_from_post
from utils import get_summary_from_post
from utils import has_object_dict
from utils import update_announce_collection
from utils import is_pgp_encrypted
from utils import is_dm
from utils import is_chat_message
from utils import reject_post_id
from utils import is_recent_post
from utils import get_config_param
from utils import get_full_domain
from utils import is_editor
from utils import locate_post
from utils import load_json
from utils import get_cached_post_directory
from utils import get_cached_post_filename
from utils import get_protocol_prefixes
from utils import is_news_post
from utils import is_blog_post
from utils import get_display_name
from utils import is_public_post
from utils import update_recent_posts_cache
from utils import remove_id_ending
from utils import get_nickname_from_actor
from utils import get_domain_from_actor
from utils import acct_dir
from utils import local_actor_url
from utils import is_unlisted_post
from content import bold_reading_string
from content import limit_repeated_words
from content import replace_emoji_from_tags
from content import html_replace_quote_marks
from content import html_replace_email_quote
from content import remove_text_formatting
from content import remove_long_words
from content import get_mentions_from_html
from content import switch_words
from person import is_person_snoozed
from person import get_person_avatar_url
from webapp_utils import get_banner_file
from webapp_utils import get_avatar_image_url
from webapp_utils import update_avatar_image_cache
from webapp_utils import load_individual_post_as_html_from_cache
from webapp_utils import add_emoji_to_display_name
from webapp_utils import post_contains_public
from webapp_utils import get_content_warning_button
from webapp_utils import get_post_attachments_as_html
from webapp_utils import html_header_with_external_style
from webapp_utils import html_footer
from webapp_utils import get_broken_link_substitute
from webapp_media import add_embedded_elements
from webapp_question import insert_question
from devices import e2e_edecrypt_message_from_device
from webfinger import webfinger_handle
from speaker import update_speaker
from languages import auto_translate_post
from blocking import is_blocked
from blocking import add_cw_from_lists
from reaction import html_emoji_reactions


def _html_post_metadata_open_graph(domain: str, post_json_object: {}) -> str:
    """Returns html OpenGraph metadata for a post
    """
    metadata = \
        "    <meta content=\"" + domain + "\" property=\"og:site_name\" />\n"
    metadata += \
        "    <meta content=\"article\" property=\"og:type\" />\n"
    obj_json = post_json_object
    if has_object_dict(post_json_object):
        obj_json = post_json_object['object']
    if obj_json.get('attributedTo'):
        if isinstance(obj_json['attributedTo'], str):
            attrib = obj_json['attributedTo']
            actor_nick = get_nickname_from_actor(attrib)
            if actor_nick:
                actor_domain, _ = get_domain_from_actor(attrib)
                actor_handle = actor_nick + '@' + actor_domain
                metadata += \
                    "    <meta content=\"@" + actor_handle + \
                    "\" property=\"og:title\" />\n"
    if obj_json.get('url'):
        metadata += \
            "    <meta content=\"" + obj_json['url'] + \
            "\" property=\"og:url\" />\n"
    if obj_json.get('published'):
        metadata += \
            "    <meta content=\"" + obj_json['published'] + \
            "\" property=\"og:published_time\" />\n"
    if not obj_json.get('attachment') or obj_json.get('sensitive'):
        if obj_json.get('content') and not obj_json.get('sensitive'):
            description = remove_html(obj_json['content'])
            metadata += \
                "    <meta content=\"" + description + \
                "\" name=\"description\">\n"
            metadata += \
                "    <meta content=\"" + description + \
                "\" name=\"og:description\">\n"
        return metadata

    # metadata for attachment
    for attach_json in obj_json['attachment']:
        if not isinstance(attach_json, dict):
            continue
        if not attach_json.get('mediaType'):
            continue
        if not attach_json.get('url'):
            continue
        if not attach_json.get('name'):
            continue
        description = None
        if attach_json['mediaType'].startswith('image/'):
            description = 'Attached: 1 image'
        elif attach_json['mediaType'].startswith('video/'):
            description = 'Attached: 1 video'
        elif attach_json['mediaType'].startswith('audio/'):
            description = 'Attached: 1 audio'
        if description:
            if obj_json.get('content') and not obj_json.get('sensitive'):
                description += '\n\n' + remove_html(obj_json['content'])
            metadata += \
                "    <meta content=\"" + description + \
                "\" name=\"description\">\n"
            metadata += \
                "    <meta content=\"" + description + \
                "\" name=\"og:description\">\n"
            metadata += \
                "    <meta content=\"" + attach_json['url'] + \
                "\" property=\"og:image\" />\n"
            metadata += \
                "    <meta content=\"" + attach_json['mediaType'] + \
                "\" property=\"og:image:type\" />\n"
            if attach_json.get('width'):
                metadata += \
                    "    <meta content=\"" + str(attach_json['width']) + \
                    "\" property=\"og:image:width\" />\n"
            if attach_json.get('height'):
                metadata += \
                    "    <meta content=\"" + str(attach_json['height']) + \
                    "\" property=\"og:image:height\" />\n"
            metadata += \
                "    <meta content=\"" + attach_json['name'] + \
                "\" property=\"og:image:alt\" />\n"
            if attach_json['mediaType'].startswith('image/'):
                metadata += \
                    "    <meta content=\"summary_large_image\" " + \
                    "property=\"twitter:card\" />\n"
    return metadata


def _log_post_timing(enable_timing_log: bool, post_start_time,
                     debugId: str) -> None:
    """Create a log of timings for performance tuning
    """
    if not enable_timing_log:
        return
    time_diff = int((time.time() - post_start_time) * 1000)
    if time_diff > 100:
        print('TIMING INDIV ' + debugId + ' = ' + str(time_diff))


def prepare_html_post_nickname(nickname: str, post_html: str) -> str:
    """html posts stored in memory are for all accounts on the instance
    and they're indexed by id. However, some incoming posts may be
    destined for multiple accounts (followers). This creates a problem
    where the icon links whose urls begin with href="/users/nickname?
    need to be changed for different nicknames to display correctly
    within their timelines.
    This function changes the nicknames for the icon links.
    """
    # replace the nickname
    users_str = ' href="/users/'
    if users_str not in post_html:
        return post_html

    user_found = True
    post_str = post_html
    new_post_str = ''
    while user_found:
        if users_str not in post_str:
            new_post_str += post_str
            break

        # the next part, after href="/users/nickname?
        next_str = post_str.split(users_str, 1)[1]
        if '?' in next_str:
            next_str = next_str.split('?', 1)[1]
        else:
            new_post_str += post_str
            break

        # append the previous text to the result
        new_post_str += post_str.split(users_str)[0]
        new_post_str += users_str + nickname + '?'

        # post is now the next part
        post_str = next_str
    return new_post_str


def prepare_post_from_html_cache(nickname: str, post_html: str, box_name: str,
                                 page_number: int) -> str:
    """Sets the page number on a cached html post
    """
    # if on the bookmarks timeline then remain there
    if box_name in ('tlbookmarks', 'bookmarks'):
        post_html = post_html.replace('?tl=inbox', '?tl=tlbookmarks')
        if '?page=' in post_html:
            page_number_str = post_html.split('?page=')[1]
            if '?' in page_number_str:
                page_number_str = page_number_str.split('?')[0]
            post_html = \
                post_html.replace('?page=' + page_number_str, '?page=-999')

    with_page_number = \
        post_html.replace(';-999;', ';' + str(page_number) + ';')
    with_page_number = \
        with_page_number.replace('?page=-999', '?page=' + str(page_number))
    return prepare_html_post_nickname(nickname, with_page_number)


def _save_individual_post_as_html_to_cache(base_dir: str,
                                           nickname: str, domain: str,
                                           post_json_object: {},
                                           post_html: str) -> bool:
    """Saves the given html for a post to a cache file
    This is so that it can be quickly reloaded on subsequent
    refresh of the timeline
    """
    html_post_cache_dir = \
        get_cached_post_directory(base_dir, nickname, domain)
    cached_post_filename = \
        get_cached_post_filename(base_dir, nickname, domain, post_json_object)

    # create the cache directory if needed
    if not os.path.isdir(html_post_cache_dir):
        os.mkdir(html_post_cache_dir)

    try:
        with open(cached_post_filename, 'w+') as fp_cache:
            fp_cache.write(post_html)
            return True
    except Exception as ex:
        print('ERROR: saving post to cache, ' + str(ex))
    return False


def _get_post_from_recent_cache(session,
                                base_dir: str,
                                http_prefix: str,
                                nickname: str, domain: str,
                                post_json_object: {},
                                post_actor: str,
                                person_cache: {},
                                allow_downloads: bool,
                                show_public_only: bool,
                                store_to_cache: bool,
                                box_name: str,
                                avatar_url: str,
                                enable_timing_log: bool,
                                post_start_time,
                                page_number: int,
                                recent_posts_cache: {},
                                max_recent_posts: int,
                                signing_priv_key_pem: str) -> str:
    """Attempts to get the html post from the recent posts cache in memory
    """
    if box_name == 'tlmedia':
        return None

    if show_public_only:
        return None

    try_cache = False
    bm_timeline = box_name in ('bookmarks', 'tlbookmarks')
    if store_to_cache or bm_timeline:
        try_cache = True

    if not try_cache:
        return None

    # update avatar if needed
    if not avatar_url:
        avatar_url = \
            get_person_avatar_url(base_dir, post_actor, person_cache,
                                  allow_downloads)

        _log_post_timing(enable_timing_log, post_start_time, '2.1')

    update_avatar_image_cache(signing_priv_key_pem,
                              session, base_dir, http_prefix,
                              post_actor, avatar_url, person_cache,
                              allow_downloads)

    _log_post_timing(enable_timing_log, post_start_time, '2.2')

    post_html = \
        load_individual_post_as_html_from_cache(base_dir, nickname, domain,
                                                post_json_object)
    if not post_html:
        return None

    post_html = \
        prepare_post_from_html_cache(nickname, post_html,
                                     box_name, page_number)
    update_recent_posts_cache(recent_posts_cache, max_recent_posts,
                              post_json_object, post_html)
    _log_post_timing(enable_timing_log, post_start_time, '3')
    return post_html


def _get_avatar_image_html(showAvatarOptions: bool,
                           nickname: str, domain_full: str,
                           avatar_url: str, post_actor: str,
                           translate: {}, avatar_position: str,
                           page_number: int, message_id_str: str) -> str:
    """Get html for the avatar image
    """
    avatar_link = ''
    if '/users/news/' not in avatar_url:
        avatar_link = \
            '        <a class="imageAnchor" href="' + post_actor + '">'
        show_profile_str = 'Show profile'
        if translate.get(show_profile_str):
            show_profile_str = translate[show_profile_str]
        avatar_link += \
            '<img loading="lazy" decoding="async" ' + \
            'src="' + avatar_url + '" title="' + \
            show_profile_str + '" alt=" "' + avatar_position + \
            get_broken_link_substitute() + '/></a>\n'

    if showAvatarOptions and \
       domain_full + '/users/' + nickname not in post_actor:
        show_options_for_this_person_str = 'Show options for this person'
        if translate.get(show_options_for_this_person_str):
            show_options_for_this_person_str = \
                translate[show_options_for_this_person_str]
        if '/users/news/' not in avatar_url:
            avatar_link = \
                '        <a class="imageAnchor" href="/users/' + \
                nickname + '?options=' + post_actor + \
                ';' + str(page_number) + ';' + \
                avatar_url + message_id_str + '">\n'
            avatar_link += \
                '        <img loading="lazy" decoding="async" title="' + \
                show_options_for_this_person_str + '" ' + \
                'alt="👤 ' + \
                show_options_for_this_person_str + '" ' + \
                'src="' + avatar_url + '" ' + avatar_position + \
                get_broken_link_substitute() + '/></a>\n'
        else:
            # don't link to the person options for the news account
            avatar_link += \
                '        <img loading="lazy" decoding="async" title="' + \
                show_options_for_this_person_str + '" ' + \
                'alt="👤 ' + \
                show_options_for_this_person_str + '" ' + \
                'src="' + avatar_url + '" ' + avatar_position + \
                get_broken_link_substitute() + '/>\n'
    return avatar_link.strip()


def _get_reply_icon_html(base_dir: str, nickname: str, domain: str,
                         is_public_reply: bool, is_unlisted_reply: bool,
                         show_icons: bool, comments_enabled: bool,
                         post_json_object: {}, page_number_param: str,
                         translate: {}, system_language: str,
                         conversation_id: str) -> str:
    """Returns html for the reply icon/button
    """
    reply_str = ''
    if not (show_icons and comments_enabled):
        return reply_str

    # reply is permitted - create reply icon
    reply_to_link = remove_hash_from_post_id(post_json_object['object']['id'])
    reply_to_link = remove_id_ending(reply_to_link)

    # see Mike MacGirvin's replyTo suggestion
    if post_json_object['object'].get('replyTo'):
        # check that the alternative replyTo url is not blocked
        block_nickname = \
            get_nickname_from_actor(post_json_object['object']['replyTo'])
        if not block_nickname:
            return reply_str
        block_domain, _ = \
            get_domain_from_actor(post_json_object['object']['replyTo'])
        if not is_blocked(base_dir, nickname, domain,
                          block_nickname, block_domain, {}):
            reply_to_link = post_json_object['object']['replyTo']

    if post_json_object['object'].get('attributedTo'):
        if isinstance(post_json_object['object']['attributedTo'], str):
            reply_to_link += \
                '?mention=' + post_json_object['object']['attributedTo']
    content = get_base_content_from_post(post_json_object, system_language)
    if content:
        mentioned_actors = \
            get_mentions_from_html(content,
                                   "<span class=\"h-card\"><a href=\"")
        if mentioned_actors:
            for actor_url in mentioned_actors:
                if '?mention=' + actor_url not in reply_to_link:
                    reply_to_link += '?mention=' + actor_url
                    if len(reply_to_link) > 500:
                        break
    reply_to_link += page_number_param

    reply_str = ''
    reply_to_this_post_str = 'Reply to this post'
    if translate.get(reply_to_this_post_str):
        reply_to_this_post_str = translate[reply_to_this_post_str]
    conversation_str = ''
    if conversation_id:
        conversation_str = '?conversationId=' + conversation_id
    if is_public_reply:
        reply_str += \
            '        <a class="imageAnchor" href="/users/' + \
            nickname + '?replyto=' + reply_to_link + \
            '?actor=' + post_json_object['actor'] + \
            conversation_str + \
            '" title="' + reply_to_this_post_str + '">\n'
    elif is_unlisted_reply:
        reply_str += \
            '        <a class="imageAnchor" href="/users/' + \
            nickname + '?replyunlisted=' + reply_to_link + \
            '?actor=' + post_json_object['actor'] + \
            conversation_str + \
            '" title="' + reply_to_this_post_str + '">\n'
    else:
        if is_dm(post_json_object):
            reply_type = 'replydm'
            if is_chat_message(post_json_object):
                reply_type = 'replychat'
            reply_str += \
                '        ' + \
                '<a class="imageAnchor" href="/users/' + nickname + \
                '?' + reply_type + '=' + reply_to_link + \
                '?actor=' + post_json_object['actor'] + \
                conversation_str + \
                '" title="' + reply_to_this_post_str + '">\n'
        else:
            reply_str += \
                '        ' + \
                '<a class="imageAnchor" href="/users/' + nickname + \
                '?replyfollowers=' + reply_to_link + \
                '?actor=' + post_json_object['actor'] + \
                conversation_str + \
                '" title="' + reply_to_this_post_str + '">\n'

    reply_str += \
        '        ' + \
        '<img loading="lazy" decoding="async" title="' + \
        reply_to_this_post_str + '" alt="' + reply_to_this_post_str + \
        ' |" src="/icons/reply.png"/></a>\n'
    return reply_str


def _get_edit_icon_html(base_dir: str, nickname: str, domain_full: str,
                        post_json_object: {}, actor_nickname: str,
                        translate: {}, isEvent: bool) -> str:
    """Returns html for the edit icon/button
    """
    edit_str = ''
    actor = post_json_object['actor']
    # This should either be a post which you created,
    # or it could be generated from the newswire (see
    # _add_blogs_to_newswire) in which case anyone with
    # editor status should be able to alter it
    if (actor.endswith('/' + domain_full + '/users/' + nickname) or
        (is_editor(base_dir, nickname) and
         actor.endswith('/' + domain_full + '/users/news'))):

        post_id = remove_id_ending(post_json_object['object']['id'])

        if '/statuses/' not in post_id:
            return edit_str

        if is_blog_post(post_json_object):
            edit_blog_post_str = 'Edit blog post'
            if translate.get(edit_blog_post_str):
                edit_blog_post_str = translate[edit_blog_post_str]
            if not is_news_post(post_json_object):
                edit_str += \
                    '        ' + \
                    '<a class="imageAnchor" href="/users/' + \
                    nickname + \
                    '/tlblogs?editblogpost=' + \
                    post_id.split('/statuses/')[1] + \
                    ';actor=' + actor_nickname + \
                    '" title="' + edit_blog_post_str + '">' + \
                    '<img loading="lazy" decoding="async" title="' + \
                    edit_blog_post_str + '" alt="' + edit_blog_post_str + \
                    ' |" src="/icons/edit.png"/></a>\n'
            else:
                edit_str += \
                    '        ' + \
                    '<a class="imageAnchor" href="/users/' + \
                    nickname + '/editnewspost=' + \
                    post_id.split('/statuses/')[1] + \
                    '?actor=' + actor_nickname + \
                    '" title="' + edit_blog_post_str + '">' + \
                    '<img loading="lazy" decoding="async" title="' + \
                    edit_blog_post_str + '" alt="' + edit_blog_post_str + \
                    ' |" src="/icons/edit.png"/></a>\n'
        elif isEvent:
            edit_event_str = 'Edit event'
            if translate.get(edit_event_str):
                edit_event_str = translate[edit_event_str]
            edit_str += \
                '        ' + \
                '<a class="imageAnchor" href="/users/' + nickname + \
                '/tlblogs?editeventpost=' + \
                post_id.split('/statuses/')[1] + \
                '?actor=' + actor_nickname + \
                '" title="' + edit_event_str + '">' + \
                '<img loading="lazy" decoding="async" title="' + \
                edit_event_str + '" alt="' + edit_event_str + \
                ' |" src="/icons/edit.png"/></a>\n'
    return edit_str


def _get_announce_icon_html(is_announced: bool,
                            post_actor: str,
                            nickname: str, domain_full: str,
                            announce_json_object: {},
                            post_json_object: {},
                            is_public_repeat: bool,
                            is_moderation_post: bool,
                            show_repeat_icon: bool,
                            translate: {},
                            page_number_param: str,
                            timeline_post_bookmark: str,
                            box_name: str,
                            max_announce_count: int) -> str:
    """Returns html for announce icon/button at the bottom of the post
    """
    announce_str = ''

    if not show_repeat_icon:
        return announce_str

    if is_moderation_post:
        return announce_str

    # don't allow announce/repeat of your own posts
    announce_icon = 'repeat_inactive.png'
    announce_link = 'repeat'
    announce_emoji = ''
    if not is_public_repeat:
        announce_link = 'repeatprivate'
    repeat_this_post_str = 'Repeat this post'
    if translate.get(repeat_this_post_str):
        repeat_this_post_str = translate[repeat_this_post_str]
    announce_title = repeat_this_post_str
    unannounce_link_str = ''
    announce_count = no_of_announces(post_json_object)

    announce_count_str = ''
    if announce_count > 0:
        if announce_count <= max_announce_count:
            announce_count_str = ' (' + str(announce_count) + ')'
        else:
            announce_count_str = ' (' + str(max_announce_count) + '+)'
    if announced_by_person(is_announced,
                           post_actor, nickname, domain_full):
        if announce_count == 1:
            # announced by the reader only
            announce_count_str = ''
        announce_icon = 'repeat.png'
        announce_emoji = '🔁 '
        announce_link = 'unrepeat'
        if not is_public_repeat:
            announce_link = 'unrepeatprivate'
        undo_the_repeat_str = 'Undo the repeat'
        if translate.get(undo_the_repeat_str):
            undo_the_repeat_str = translate[undo_the_repeat_str]
        announce_title = undo_the_repeat_str
        if announce_json_object:
            unannounce_link_str = '?unannounce=' + \
                remove_id_ending(announce_json_object['id'])

    announce_post_id = \
        remove_hash_from_post_id(post_json_object['object']['id'])
    announce_post_id = remove_id_ending(announce_post_id)

    announce_str = ''
    if announce_count_str:
        announcers_post_id = announce_post_id.replace('/', '--')
        announcers_screen_link = \
            '/users/' + nickname + '?announcers=' + announcers_post_id

        # show the number of announces next to icon
        announce_str += '<label class="likesCount">'
        announce_str += '<a href="' + announcers_screen_link + '" ' + \
            'title="' + translate['Show who repeated this post'] + '">'
        announce_str += \
            announce_count_str.replace('(', '').replace(')', '').strip()
        announce_str += '</a></label>\n'

    announce_link_str = '?' + \
        announce_link + '=' + announce_post_id + page_number_param
    announce_str += \
        '        <a class="imageAnchor" href="/users/' + \
        nickname + announce_link_str + unannounce_link_str + \
        '?actor=' + post_json_object['actor'] + \
        '?bm=' + timeline_post_bookmark + \
        '?tl=' + box_name + '" title="' + announce_title + '">\n'

    announce_str += \
        '          ' + \
        '<img loading="lazy" decoding="async" title="' + announce_title + \
        '" alt="' + announce_emoji + announce_title + \
        ' |" src="/icons/' + announce_icon + '"/></a>\n'
    return announce_str


def _get_like_icon_html(nickname: str, domain_full: str,
                        is_moderation_post: bool,
                        show_like_button: bool,
                        post_json_object: {},
                        enable_timing_log: bool,
                        post_start_time,
                        translate: {}, page_number_param: str,
                        timeline_post_bookmark: str,
                        box_name: str,
                        max_like_count: int) -> str:
    """Returns html for like icon/button
    """
    if not show_like_button or is_moderation_post:
        return ''
    like_str = ''
    like_icon = 'like_inactive.png'
    like_link = 'like'
    like_title = 'Like this post'
    if translate.get(like_title):
        like_title = translate[like_title]
    like_emoji = ''
    like_count = no_of_likes(post_json_object)

    _log_post_timing(enable_timing_log, post_start_time, '12.1')

    like_count_str = ''
    if like_count > 0:
        if like_count <= max_like_count:
            like_count_str = ' (' + str(like_count) + ')'
        else:
            like_count_str = ' (' + str(max_like_count) + '+)'
        if liked_by_person(post_json_object, nickname, domain_full):
            if like_count == 1:
                # liked by the reader only
                like_count_str = ''
            like_icon = 'like.png'
            like_link = 'unlike'
            like_title = 'Undo the like'
            if translate.get(like_title):
                like_title = translate[like_title]
            like_emoji = '👍 '

    _log_post_timing(enable_timing_log, post_start_time, '12.2')

    like_post_id = remove_hash_from_post_id(post_json_object['id'])
    like_post_id = remove_id_ending(like_post_id)

    like_str = ''
    if like_count_str:
        likers_post_id = like_post_id.replace('/', '--')
        likers_screen_link = \
            '/users/' + nickname + '?likers=' + likers_post_id

        # show the number of likes next to icon
        like_str += '<label class="likesCount">'
        like_str += '<a href="' + likers_screen_link + '" ' + \
            'title="' + translate['Show who liked this post'] + '">'
        like_str += like_count_str.replace('(', '').replace(')', '').strip()
        like_str += '</a></label>\n'

    like_str += \
        '        <a class="imageAnchor" href="/users/' + nickname + '?' + \
        like_link + '=' + like_post_id + \
        page_number_param + \
        '?actor=' + post_json_object['actor'] + \
        '?bm=' + timeline_post_bookmark + \
        '?tl=' + box_name + '" title="' + like_title + like_count_str + '">\n'
    like_str += \
        '          ' + \
        '<img loading="lazy" decoding="async" title="' + \
        like_title + like_count_str + \
        '" alt="' + like_emoji + like_title + \
        ' |" src="/icons/' + like_icon + '"/></a>\n'
    return like_str


def _get_bookmark_icon_html(nickname: str, domain_full: str,
                            post_json_object: {},
                            is_moderation_post: bool,
                            translate: {},
                            enable_timing_log: bool,
                            post_start_time, box_name: str,
                            page_number_param: str,
                            timeline_post_bookmark: str) -> str:
    """Returns html for bookmark icon/button
    """
    bookmark_str = ''

    if is_moderation_post:
        return bookmark_str

    bookmark_icon = 'bookmark_inactive.png'
    bookmark_link = 'bookmark'
    bookmark_emoji = ''
    bookmark_title = 'Bookmark this post'
    if translate.get(bookmark_title):
        bookmark_title = translate[bookmark_title]
    if bookmarked_by_person(post_json_object, nickname, domain_full):
        bookmark_icon = 'bookmark.png'
        bookmark_link = 'unbookmark'
        bookmark_emoji = '🔖 '
        bookmark_title = 'Undo the bookmark'
        if translate.get(bookmark_title):
            bookmark_title = translate[bookmark_title]
    _log_post_timing(enable_timing_log, post_start_time, '12.6')
    bookmark_post_id = \
        remove_hash_from_post_id(post_json_object['object']['id'])
    bookmark_post_id = remove_id_ending(bookmark_post_id)
    bookmark_str = \
        '        <a class="imageAnchor" href="/users/' + nickname + '?' + \
        bookmark_link + '=' + bookmark_post_id + \
        page_number_param + \
        '?actor=' + post_json_object['actor'] + \
        '?bm=' + timeline_post_bookmark + \
        '?tl=' + box_name + '" title="' + bookmark_title + '">\n'
    bookmark_str += \
        '        ' + \
        '<img loading="lazy" decoding="async" title="' + \
        bookmark_title + '" alt="' + \
        bookmark_emoji + bookmark_title + ' |" src="/icons' + \
        '/' + bookmark_icon + '"/></a>\n'
    return bookmark_str


def _get_reaction_icon_html(nickname: str, domain_full: str,
                            post_json_object: {},
                            is_moderation_post: bool,
                            show_reaction_button: bool,
                            translate: {},
                            enable_timing_log: bool,
                            post_start_time, box_name: str,
                            page_number_param: str,
                            timeline_post_reaction: str) -> str:
    """Returns html for reaction icon/button
    """
    reaction_str = ''

    if not show_reaction_button or is_moderation_post:
        return reaction_str

    reaction_icon = 'reaction.png'
    reaction_title = 'Select reaction'
    if translate.get(reaction_title):
        reaction_title = translate[reaction_title]
    _log_post_timing(enable_timing_log, post_start_time, '12.65')
    reaction_post_id = \
        remove_hash_from_post_id(post_json_object['object']['id'])
    reaction_post_id = remove_id_ending(reaction_post_id)
    reaction_str = \
        '        <a class="imageAnchor" href="/users/' + nickname + \
        '?selreact=' + reaction_post_id + page_number_param + \
        '?actor=' + post_json_object['actor'] + \
        '?bm=' + timeline_post_reaction + \
        '?tl=' + box_name + '" title="' + reaction_title + '">\n'
    reaction_str += \
        '        ' + \
        '<img loading="lazy" decoding="async" title="' + \
        reaction_title + '" alt="' + \
        reaction_title + ' |" src="/icons' + \
        '/' + reaction_icon + '"/></a>\n'
    return reaction_str


def _get_mute_icon_html(is_muted: bool,
                        post_actor: str,
                        message_id: str,
                        nickname: str, domain_full: str,
                        allow_deletion: bool,
                        page_number_param: str,
                        box_name: str,
                        timeline_post_bookmark: str,
                        translate: {}) -> str:
    """Returns html for mute icon/button
    """
    mute_str = ''
    if (allow_deletion or
        ('/' + domain_full + '/' in post_actor and
         message_id.startswith(post_actor))):
        return mute_str

    if not is_muted:
        mute_this_post_str = 'Mute this post'
        if translate.get('Mute this post'):
            mute_this_post_str = translate[mute_this_post_str]
        mute_str = \
            '        <a class="imageAnchor" href="/users/' + nickname + \
            '?mute=' + message_id + page_number_param + '?tl=' + box_name + \
            '?bm=' + timeline_post_bookmark + \
            '" title="' + mute_this_post_str + '">\n'
        mute_str += \
            '          ' + \
            '<img loading="lazy" decoding="async" alt="' + \
            mute_this_post_str + \
            ' |" title="' + mute_this_post_str + \
            '" src="/icons/mute.png"/></a>\n'
    else:
        undo_mute_str = 'Undo mute'
        if translate.get(undo_mute_str):
            undo_mute_str = translate[undo_mute_str]
        mute_str = \
            '        <a class="imageAnchor" href="/users/' + \
            nickname + '?unmute=' + message_id + \
            page_number_param + '?tl=' + box_name + '?bm=' + \
            timeline_post_bookmark + '" title="' + undo_mute_str + '">\n'
        mute_str += \
            '          ' + \
            '<img loading="lazy" decoding="async" ' + \
            'alt="🔇 ' + undo_mute_str + \
            ' |" title="' + undo_mute_str + \
            '" src="/icons/unmute.png"/></a>\n'
    return mute_str


def _get_delete_icon_html(nickname: str, domain_full: str,
                          allow_deletion: bool,
                          post_actor: str,
                          message_id: str,
                          post_json_object: {},
                          page_number_param: str,
                          translate: {}) -> str:
    """Returns html for delete icon/button
    """
    delete_str = ''
    if (allow_deletion or
        ('/' + domain_full + '/' in post_actor and
         message_id.startswith(post_actor))):
        if '/users/' + nickname + '/' in message_id:
            if not is_news_post(post_json_object):
                delete_this_post_str = 'Delete this post'
                if translate.get(delete_this_post_str):
                    delete_this_post_str = translate[delete_this_post_str]
                delete_str = \
                    '        <a class="imageAnchor" href="/users/' + \
                    nickname + \
                    '?delete=' + message_id + page_number_param + \
                    '" title="' + delete_this_post_str + '">\n'
                delete_str += \
                    '          ' + \
                    '<img loading="lazy" decoding="async" alt="' + \
                    delete_this_post_str + \
                    ' |" title="' + delete_this_post_str + \
                    '" src="/icons/delete.png"/></a>\n'
    return delete_str


def _get_published_date_str(post_json_object: {},
                            show_published_date_only: bool,
                            timezone: str) -> str:
    """Return the html for the published date on a post
    """
    published_str = ''

    if not post_json_object['object'].get('published'):
        return published_str

    published_str = post_json_object['object']['published']
    if '.' not in published_str:
        if '+' not in published_str:
            datetime_object = \
                datetime.strptime(published_str, "%Y-%m-%dT%H:%M:%SZ")
        else:
            datetime_object = \
                datetime.strptime(published_str.split('+')[0] + 'Z',
                                  "%Y-%m-%dT%H:%M:%SZ")
    else:
        published_str = \
            published_str.replace('T', ' ').split('.')[0]
        datetime_object = parse(published_str)

    # convert to local time
    datetime_object = \
        convert_published_to_local_timezone(datetime_object, timezone)

    if not show_published_date_only:
        published_str = datetime_object.strftime("%a %b %d, %H:%M")
    else:
        published_str = datetime_object.strftime("%a %b %d")

    # if the post has replies then append a symbol to indicate this
    if post_json_object.get('hasReplies'):
        if post_json_object['hasReplies'] is True:
            published_str = '[' + published_str + ']'
    return published_str


def _get_blog_citations_html(box_name: str,
                             post_json_object: {},
                             translate: {}) -> str:
    """Returns blog citations as html
    """
    # show blog citations
    citations_str = ''
    if box_name not in ('tlblogs', 'tlfeatures'):
        return citations_str

    if not post_json_object['object'].get('tag'):
        return citations_str

    for tag_json in post_json_object['object']['tag']:
        if not isinstance(tag_json, dict):
            continue
        if not tag_json.get('type'):
            continue
        if tag_json['type'] != 'Article':
            continue
        if not tag_json.get('name'):
            continue
        if not tag_json.get('url'):
            continue
        citations_str += \
            '<li><a href="' + tag_json['url'] + '">' + \
            '<cite>' + tag_json['name'] + '</cite></a></li>\n'

    if citations_str:
        translated_citations_str = 'Citations'
        if translate.get(translated_citations_str):
            translated_citations_str = translate[translated_citations_str]
        citations_str = '<p><b>' + translated_citations_str + ':</b></p>' + \
            '<ul>\n' + citations_str + '</ul>\n'
    return citations_str


def _boost_own_post_html(translate: {}) -> str:
    """The html title for announcing your own post
    """
    announces_str = 'announces'
    if translate.get(announces_str):
        announces_str = translate[announces_str]
    return '        <img loading="lazy" decoding="async" title="' + \
        announces_str + \
        '" alt="' + announces_str + \
        '" src="/icons' + \
        '/repeat_inactive.png" class="announceOrReply"/>\n'


def _announce_unattributed_html(translate: {},
                                post_json_object: {}) -> str:
    """Returns the html for an announce title where there
    is no attribution on the announced post
    """
    announces_str = 'announces'
    if translate.get(announces_str):
        announces_str = translate[announces_str]
    post_id = remove_id_ending(post_json_object['object']['id'])
    return '    <img loading="lazy" decoding="async" title="' + \
        announces_str + '" alt="' + \
        announces_str + '" src="/icons' + \
        '/repeat_inactive.png" ' + \
        'class="announceOrReply"/>\n' + \
        '      <a href="' + post_id + \
        '" class="announceOrReply">@unattributed</a>\n'


def _announce_with_display_name_html(translate: {},
                                     post_json_object: {},
                                     announce_display_name: str) -> str:
    """Returns html for an announce having a display name
    """
    announces_str = 'announces'
    if translate.get(announces_str):
        announces_str = translate[announces_str]
    post_id = remove_id_ending(post_json_object['object']['id'])
    return '          <img loading="lazy" decoding="async" title="' + \
        announces_str + '" alt="' + \
        announces_str + '" src="/' + \
        'icons/repeat_inactive.png" ' + \
        'class="announceOrReply"/>\n' + \
        '        <a href="' + post_id + '" ' + \
        'class="announceOrReply">' + announce_display_name + '</a>\n'


def _get_post_title_announce_html(base_dir: str,
                                  http_prefix: str,
                                  nickname: str, domain: str,
                                  show_repeat_icon: bool,
                                  is_announced: bool,
                                  post_json_object: {},
                                  post_actor: str,
                                  translate: {},
                                  enable_timing_log: bool,
                                  post_start_time,
                                  box_name: str,
                                  person_cache: {},
                                  allow_downloads: bool,
                                  avatar_position: str,
                                  page_number: int,
                                  message_id_str: str,
                                  container_class_icons: str,
                                  container_class: str,
                                  mitm: bool) -> (str, str, str, str):
    """Returns the announce title of a post containing names of participants
    x announces y
    """
    title_str = ''
    reply_avatar_image_in_post = ''
    obj_json = post_json_object['object']

    # has no attribution
    if not obj_json.get('attributedTo'):
        title_str += _announce_unattributed_html(translate, post_json_object)
        return (title_str, reply_avatar_image_in_post,
                container_class_icons, container_class)

    attributed_to = ''
    if isinstance(obj_json['attributedTo'], str):
        attributed_to = obj_json['attributedTo']

    # boosting your own post
    if attributed_to.startswith(post_actor):
        title_str += _boost_own_post_html(translate)
        return (title_str, reply_avatar_image_in_post,
                container_class_icons, container_class)

    # boosting another person's post
    _log_post_timing(enable_timing_log, post_start_time, '13.2')
    announce_nickname = None
    if attributed_to:
        announce_nickname = get_nickname_from_actor(attributed_to)
    if not announce_nickname:
        title_str += _announce_unattributed_html(translate, post_json_object)
        return (title_str, reply_avatar_image_in_post,
                container_class_icons, container_class)

    announce_domain, _ = get_domain_from_actor(attributed_to)
    get_person_from_cache(base_dir, attributed_to,
                          person_cache, allow_downloads)
    announce_display_name = \
        get_display_name(base_dir, attributed_to, person_cache)
    if not announce_display_name:
        announce_display_name = announce_nickname + '@' + announce_domain

    _log_post_timing(enable_timing_log, post_start_time, '13.3')

    # add any emoji to the display name
    if ':' in announce_display_name:
        announce_display_name = \
            add_emoji_to_display_name(None, base_dir, http_prefix,
                                      nickname, domain,
                                      announce_display_name, False)
    _log_post_timing(enable_timing_log, post_start_time, '13.3.1')
    title_str += \
        _announce_with_display_name_html(translate, post_json_object,
                                         announce_display_name)

    if mitm:
        title_str += _mitm_warning_html(translate)

    # show avatar of person replied to
    announce_actor = attributed_to
    announce_avatar_url = \
        get_person_avatar_url(base_dir, announce_actor,
                              person_cache, allow_downloads)

    _log_post_timing(enable_timing_log, post_start_time, '13.4')

    if not announce_avatar_url:
        announce_avatar_url = ''

    idx = 'Show options for this person'
    if '/users/news/' not in announce_avatar_url:
        show_options_for_this_person_str = idx
        if translate.get(idx):
            show_options_for_this_person_str = translate[idx]
        reply_avatar_image_in_post = \
            '        <div class="timeline-avatar-reply">\n' \
            '            <a class="imageAnchor" ' + \
            'href="/users/' + nickname + '?options=' + \
            announce_actor + ';' + str(page_number) + \
            ';' + announce_avatar_url + message_id_str + '">' \
            '<img loading="lazy" decoding="async" src="' + \
            announce_avatar_url + '" ' + \
            'title="' + show_options_for_this_person_str + \
            '" alt=" "' + avatar_position + \
            get_broken_link_substitute() + '/></a>\n    </div>\n'

    return (title_str, reply_avatar_image_in_post,
            container_class_icons, container_class)


def _reply_to_yourself_html(translate: {}) -> str:
    """Returns html for a title which is a reply to yourself
    """
    replying_to_themselves_str = 'replying to themselves'
    if translate.get(replying_to_themselves_str):
        replying_to_themselves_str = translate[replying_to_themselves_str]
    return '    <img loading="lazy" decoding="async" title="' + \
        replying_to_themselves_str + \
        '" alt="' + replying_to_themselves_str + \
        '" src="/icons' + \
        '/reply.png" class="announceOrReply"/>\n'


def _reply_to_unknown_html(translate: {},
                           post_json_object: {}) -> str:
    """Returns the html title for a reply to an unknown handle
    """
    replying_to_str = 'replying to'
    if translate.get(replying_to_str):
        replying_to_str = translate[replying_to_str]
    return '        <img loading="lazy" decoding="async" title="' + \
        replying_to_str + '" alt="' + \
        replying_to_str + '" src="/icons' + \
        '/reply.png" class="announceOrReply"/>\n' + \
        '        <a href="' + \
        post_json_object['object']['inReplyTo'] + \
        '" class="announceOrReply">@unknown</a>\n'


def _mitm_warning_html(translate: {}) -> str:
    """Returns the html title for a reply to an unknown handle
    """
    mitm_warning_str = translate['mitm']
    return '        <img loading="lazy" decoding="async" title="' + \
        mitm_warning_str + '" alt="' + \
        mitm_warning_str + '" src="/icons' + \
        '/mitm.png" class="announceOrReply"/>\n'


def _reply_with_unknown_path_html(translate: {},
                                  post_json_object: {},
                                  post_domain: str) -> str:
    """Returns html title for a reply with an unknown path
    eg. does not contain /statuses/
    """
    replying_to_str = 'replying to'
    if translate.get(replying_to_str):
        replying_to_str = translate[replying_to_str]
    return '        <img loading="lazy" decoding="async" title="' + \
        replying_to_str + \
        '" alt="' + replying_to_str + \
        '" src="/icons/reply.png" ' + \
        'class="announceOrReply"/>\n' + \
        '        <a href="' + \
        post_json_object['object']['inReplyTo'] + \
        '" class="announceOrReply">' + \
        post_domain + '</a>\n'


def _get_reply_html(translate: {},
                    in_reply_to: str, reply_display_name: str) -> str:
    """Returns html title for a reply
    """
    replying_to_str = 'replying to'
    if translate.get(replying_to_str):
        replying_to_str = translate[replying_to_str]
    return '        ' + \
        '<img loading="lazy" decoding="async" title="' + \
        replying_to_str + '" alt="' + \
        replying_to_str + '" src="/' + \
        'icons/reply.png" ' + \
        'class="announceOrReply"/>\n' + \
        '        <a href="' + in_reply_to + \
        '" class="announceOrReply">' + \
        reply_display_name + '</a>\n'


def _get_post_title_reply_html(base_dir: str,
                               http_prefix: str,
                               nickname: str, domain: str,
                               show_repeat_icon: bool,
                               is_announced: bool,
                               post_json_object: {},
                               post_actor: str,
                               translate: {},
                               enable_timing_log: bool,
                               post_start_time,
                               box_name: str,
                               person_cache: {},
                               allow_downloads: bool,
                               avatar_position: str,
                               page_number: int,
                               message_id_str: str,
                               container_class_icons: str,
                               container_class: str,
                               mitm: bool) -> (str, str, str, str):
    """Returns the reply title of a post containing names of participants
    x replies to y
    """
    title_str = ''
    reply_avatar_image_in_post = ''
    obj_json = post_json_object['object']

    # not a reply
    if not obj_json.get('inReplyTo'):
        return (title_str, reply_avatar_image_in_post,
                container_class_icons, container_class)

    container_class_icons = 'containericons darker'
    container_class = 'container darker'

    # reply to self
    if obj_json['inReplyTo'].startswith(post_actor):
        title_str += _reply_to_yourself_html(translate)
        return (title_str, reply_avatar_image_in_post,
                container_class_icons, container_class)

    # has a reply
    if '/statuses/' not in obj_json['inReplyTo']:
        post_domain = obj_json['inReplyTo']
        prefixes = get_protocol_prefixes()
        for prefix in prefixes:
            post_domain = post_domain.replace(prefix, '')
        if '/' in post_domain:
            post_domain = post_domain.split('/', 1)[0]
        if post_domain:
            title_str += \
                _reply_with_unknown_path_html(translate,
                                              post_json_object, post_domain)
        return (title_str, reply_avatar_image_in_post,
                container_class_icons, container_class)

    in_reply_to = obj_json['inReplyTo']
    reply_actor = in_reply_to.split('/statuses/')[0]
    reply_nickname = get_nickname_from_actor(reply_actor)
    if not reply_nickname:
        title_str += _reply_to_unknown_html(translate, post_json_object)
        return (title_str, reply_avatar_image_in_post,
                container_class_icons, container_class)

    reply_domain, _ = get_domain_from_actor(reply_actor)
    if not (reply_nickname and reply_domain):
        title_str += _reply_to_unknown_html(translate, post_json_object)
        return (title_str, reply_avatar_image_in_post,
                container_class_icons, container_class)

    get_person_from_cache(base_dir, reply_actor, person_cache, allow_downloads)
    reply_display_name = get_display_name(base_dir, reply_actor, person_cache)
    if not reply_display_name:
        reply_display_name = reply_nickname + '@' + reply_domain

    # add emoji to the display name
    if ':' in reply_display_name:
        _log_post_timing(enable_timing_log, post_start_time, '13.5')

        reply_display_name = \
            add_emoji_to_display_name(None, base_dir, http_prefix,
                                      nickname, domain,
                                      reply_display_name, False)
        _log_post_timing(enable_timing_log, post_start_time, '13.6')

    title_str += _get_reply_html(translate, in_reply_to, reply_display_name)

    if mitm:
        title_str += _mitm_warning_html(translate)

    _log_post_timing(enable_timing_log, post_start_time, '13.7')

    # show avatar of person replied to
    reply_avatar_url = \
        get_person_avatar_url(base_dir, reply_actor, person_cache,
                              allow_downloads)

    _log_post_timing(enable_timing_log, post_start_time, '13.8')

    if reply_avatar_url:
        show_profile_str = 'Show profile'
        if translate.get(show_profile_str):
            show_profile_str = translate[show_profile_str]
        reply_avatar_image_in_post = \
            '        <div class="timeline-avatar-reply">\n' + \
            '          <a class="imageAnchor" ' + \
            'href="/users/' + nickname + '?options=' + reply_actor + \
            ';' + str(page_number) + ';' + reply_avatar_url + \
            message_id_str + '">\n' + \
            '          <img loading="lazy" decoding="async" ' + \
            'src="' + reply_avatar_url + '" ' + \
            'title="' + show_profile_str + \
            '" alt=" "' + avatar_position + get_broken_link_substitute() + \
            '/></a>\n        </div>\n'

    return (title_str, reply_avatar_image_in_post,
            container_class_icons, container_class)


def _get_post_title_html(base_dir: str,
                         http_prefix: str,
                         nickname: str, domain: str,
                         show_repeat_icon: bool,
                         is_announced: bool,
                         post_json_object: {},
                         post_actor: str,
                         translate: {},
                         enable_timing_log: bool,
                         post_start_time,
                         box_name: str,
                         person_cache: {},
                         allow_downloads: bool,
                         avatar_position: str,
                         page_number: int,
                         message_id_str: str,
                         container_class_icons: str,
                         container_class: str,
                         mitm: bool) -> (str, str, str, str):
    """Returns the title of a post containing names of participants
    x replies to y, x announces y, etc
    """
    if not is_announced and box_name == 'search' and \
       post_json_object.get('object'):
        if post_json_object['object'].get('attributedTo'):
            if post_json_object['object']['attributedTo'] != post_actor:
                is_announced = True

    if is_announced:
        return _get_post_title_announce_html(base_dir,
                                             http_prefix,
                                             nickname, domain,
                                             show_repeat_icon,
                                             is_announced,
                                             post_json_object,
                                             post_actor,
                                             translate,
                                             enable_timing_log,
                                             post_start_time,
                                             box_name,
                                             person_cache,
                                             allow_downloads,
                                             avatar_position,
                                             page_number,
                                             message_id_str,
                                             container_class_icons,
                                             container_class, mitm)

    return _get_post_title_reply_html(base_dir,
                                      http_prefix,
                                      nickname, domain,
                                      show_repeat_icon,
                                      is_announced,
                                      post_json_object,
                                      post_actor,
                                      translate,
                                      enable_timing_log,
                                      post_start_time,
                                      box_name,
                                      person_cache,
                                      allow_downloads,
                                      avatar_position,
                                      page_number,
                                      message_id_str,
                                      container_class_icons,
                                      container_class, mitm)


def _get_footer_with_icons(show_icons: bool,
                           container_class_icons: str,
                           reply_str: str, announce_str: str,
                           like_str: str, reaction_str: str,
                           bookmark_str: str,
                           delete_str: str, mute_str: str, edit_str: str,
                           post_json_object: {}, published_link: str,
                           time_class: str, published_str: str) -> str:
    """Returns the html for a post footer containing icons
    """
    if not show_icons:
        return None

    footer_str = '\n      <nav>\n'
    footer_str += '      <div class="' + container_class_icons + '">\n'
    footer_str += \
        reply_str + announce_str + like_str + bookmark_str + reaction_str
    footer_str += delete_str + mute_str + edit_str
    if not is_news_post(post_json_object):
        footer_str += '        <a href="' + published_link + '" class="' + \
            time_class + '">' + published_str + '</a>\n'
    else:
        footer_str += '        <a href="' + \
            published_link.replace('/news/', '/news/statuses/') + \
            '" class="' + time_class + '">' + published_str + '</a>\n'
    footer_str += '      </div>\n'
    footer_str += '      </nav>\n'
    return footer_str


def individual_post_as_html(signing_priv_key_pem: str,
                            allow_downloads: bool,
                            recent_posts_cache: {}, max_recent_posts: int,
                            translate: {},
                            page_number: int, base_dir: str,
                            session, cached_webfingers: {}, person_cache: {},
                            nickname: str, domain: str, port: int,
                            post_json_object: {},
                            avatar_url: str, showAvatarOptions: bool,
                            allow_deletion: bool,
                            http_prefix: str, project_version: str,
                            box_name: str,
                            yt_replace_domain: str,
                            twitter_replacement_domain: str,
                            show_published_date_only: bool,
                            peertube_instances: [],
                            allow_local_network_access: bool,
                            theme_name: str, system_language: str,
                            max_like_count: int,
                            show_repeats: bool,
                            show_icons: bool,
                            manually_approves_followers: bool,
                            show_public_only: bool,
                            store_to_cache: bool,
                            use_cache_only: bool,
                            cw_lists: {},
                            lists_enabled: str,
                            timezone: str,
                            mitm: bool, bold_reading: bool) -> str:
    """ Shows a single post as html
    """
    if not post_json_object:
        return ''

    # maximum number of different emoji reactions which can be added to a post
    max_reaction_types = 5

    # benchmark
    post_start_time = time.time()

    post_actor = post_json_object['actor']

    # ZZZzzz
    if is_person_snoozed(base_dir, nickname, domain, post_actor):
        return ''

    # if downloads of avatar images aren't enabled then we can do more
    # accurate timing of different parts of the code
    enable_timing_log = not allow_downloads

    _log_post_timing(enable_timing_log, post_start_time, '1')

    avatar_position = ''
    message_id = ''
    if post_json_object.get('id'):
        message_id = remove_hash_from_post_id(post_json_object['id'])
        message_id = remove_id_ending(message_id)

    _log_post_timing(enable_timing_log, post_start_time, '2')

    message_id_str = ''
    if message_id:
        message_id_str = ';' + message_id

    domain_full = get_full_domain(domain, port)

    page_number_param = ''
    if page_number:
        page_number_param = '?page=' + str(page_number)

    # get the html post from the recent posts cache if it exists there
    post_html = \
        _get_post_from_recent_cache(session, base_dir,
                                    http_prefix, nickname, domain,
                                    post_json_object,
                                    post_actor,
                                    person_cache,
                                    allow_downloads,
                                    show_public_only,
                                    store_to_cache,
                                    box_name,
                                    avatar_url,
                                    enable_timing_log,
                                    post_start_time,
                                    page_number,
                                    recent_posts_cache,
                                    max_recent_posts,
                                    signing_priv_key_pem)
    if post_html:
        return post_html
    if use_cache_only and post_json_object['type'] != 'Announce':
        return ''

    _log_post_timing(enable_timing_log, post_start_time, '4')

    avatar_url = \
        get_avatar_image_url(session,
                             base_dir, http_prefix,
                             post_actor, person_cache,
                             avatar_url, allow_downloads,
                             signing_priv_key_pem)

    _log_post_timing(enable_timing_log, post_start_time, '5')

    # get the display name
    if domain_full not in post_actor:
        # lookup the correct webfinger for the post_actor
        post_actor_nickname = get_nickname_from_actor(post_actor)
        if not post_actor_nickname:
            return ''
        post_actor_domain, post_actor_port = get_domain_from_actor(post_actor)
        post_actor_domain_full = \
            get_full_domain(post_actor_domain, post_actor_port)
        post_actor_handle = post_actor_nickname + '@' + post_actor_domain_full
        post_actor_wf = \
            webfinger_handle(session, post_actor_handle, http_prefix,
                             cached_webfingers,
                             domain, __version__, False, False,
                             signing_priv_key_pem)

        avatar_url2 = None
        display_name = None
        if post_actor_wf:
            origin_domain = domain
            (_, _, _, _, _, avatar_url2,
             display_name, _) = get_person_box(signing_priv_key_pem,
                                               origin_domain,
                                               base_dir, session,
                                               post_actor_wf,
                                               person_cache,
                                               project_version,
                                               http_prefix,
                                               nickname, domain,
                                               'outbox', 72367)

        _log_post_timing(enable_timing_log, post_start_time, '6')

        if avatar_url2:
            avatar_url = avatar_url2
        if display_name:
            # add any emoji to the display name
            if ':' in display_name:
                display_name = \
                    add_emoji_to_display_name(session, base_dir, http_prefix,
                                              nickname, domain,
                                              display_name, False)

    _log_post_timing(enable_timing_log, post_start_time, '7')

    avatar_link = \
        _get_avatar_image_html(showAvatarOptions,
                               nickname, domain_full,
                               avatar_url, post_actor,
                               translate, avatar_position,
                               page_number, message_id_str)

    avatar_image_in_post = \
        '      <div class="timeline-avatar">' + avatar_link + '</div>\n'

    timeline_post_bookmark = remove_id_ending(post_json_object['id'])
    timeline_post_bookmark = timeline_post_bookmark.replace('://', '-')
    timeline_post_bookmark = timeline_post_bookmark.replace('/', '-')

    # If this is the inbox timeline then don't show the repeat icon on any DMs
    show_repeat_icon = show_repeats
    is_public_repeat = False
    post_is_dm = is_dm(post_json_object)
    if show_repeats:
        if post_is_dm:
            show_repeat_icon = False
        else:
            if not is_public_post(post_json_object):
                is_public_repeat = True

    title_str = ''
    gallery_str = ''
    is_announced = False
    announce_json_object = None
    if post_json_object['type'] == 'Announce':
        announce_json_object = post_json_object.copy()
        blocked_cache = {}
        post_json_announce = \
            download_announce(session, base_dir, http_prefix,
                              nickname, domain, post_json_object,
                              project_version, translate,
                              yt_replace_domain,
                              twitter_replacement_domain,
                              allow_local_network_access,
                              recent_posts_cache, False,
                              system_language,
                              domain_full, person_cache,
                              signing_priv_key_pem,
                              blocked_cache, bold_reading)
        if not post_json_announce:
            # if the announce could not be downloaded then mark it as rejected
            announced_post_id = remove_id_ending(post_json_object['id'])
            reject_post_id(base_dir, nickname, domain, announced_post_id,
                           recent_posts_cache)
            return ''
        post_json_object = post_json_announce

        # is the announced post in the html cache?
        post_html = \
            _get_post_from_recent_cache(session, base_dir,
                                        http_prefix, nickname, domain,
                                        post_json_object,
                                        post_actor,
                                        person_cache,
                                        allow_downloads,
                                        show_public_only,
                                        store_to_cache,
                                        box_name,
                                        avatar_url,
                                        enable_timing_log,
                                        post_start_time,
                                        page_number,
                                        recent_posts_cache,
                                        max_recent_posts,
                                        signing_priv_key_pem)
        if post_html:
            return post_html

        announce_filename = \
            locate_post(base_dir, nickname, domain, post_json_object['id'])
        if announce_filename:
            update_announce_collection(recent_posts_cache,
                                       base_dir, announce_filename,
                                       post_actor, nickname,
                                       domain_full, False)

            # create a file for use by text-to-speech
            if is_recent_post(post_json_object, 3):
                if post_json_object.get('actor'):
                    if not os.path.isfile(announce_filename + '.tts'):
                        update_speaker(base_dir, http_prefix,
                                       nickname, domain, domain_full,
                                       post_json_object, person_cache,
                                       translate, post_json_object['actor'],
                                       theme_name)
                        with open(announce_filename + '.tts', 'w+') as ttsfile:
                            ttsfile.write('\n')

        is_announced = True

    _log_post_timing(enable_timing_log, post_start_time, '8')

    if not has_object_dict(post_json_object):
        return ''

    # if this post should be public then check its recipients
    if show_public_only:
        if not post_contains_public(post_json_object):
            return ''

    is_moderation_post = False
    if post_json_object['object'].get('moderationStatus'):
        is_moderation_post = True
    container_class = 'container'
    container_class_icons = 'containericons'
    time_class = 'time-right'
    actor_nickname = get_nickname_from_actor(post_actor)
    if not actor_nickname:
        # single user instance
        actor_nickname = 'dev'
    actor_domain, _ = get_domain_from_actor(post_actor)

    display_name = get_display_name(base_dir, post_actor, person_cache)
    if display_name:
        if ':' in display_name:
            display_name = \
                add_emoji_to_display_name(session, base_dir, http_prefix,
                                          nickname, domain,
                                          display_name, False)
        title_str += \
            '        <a class="imageAnchor" href="/users/' + \
            nickname + '?options=' + post_actor + \
            ';' + str(page_number) + ';' + avatar_url + message_id_str + \
            '">' + display_name + '</a>\n'
    else:
        if not message_id:
            # pprint(post_json_object)
            print('ERROR: no message_id')
        if not actor_nickname:
            # pprint(post_json_object)
            print('ERROR: no actor_nickname')
        if not actor_domain:
            # pprint(post_json_object)
            print('ERROR: no actor_domain')
        title_str += \
            '        <a class="imageAnchor" href="/users/' + \
            nickname + '?options=' + post_actor + \
            ';' + str(page_number) + ';' + avatar_url + message_id_str + \
            '">@' + actor_nickname + '@' + actor_domain + '</a>\n'

    # benchmark 9
    _log_post_timing(enable_timing_log, post_start_time, '9')

    # Show a DM icon for DMs in the inbox timeline
    if post_is_dm:
        title_str = \
            title_str + ' <img loading="lazy" decoding="async" src="/' + \
            'icons/dm.png" class="DMicon"/>\n'

    # check if replying is permitted
    comments_enabled = True
    if isinstance(post_json_object['object'], dict) and \
       'commentsEnabled' in post_json_object['object']:
        if post_json_object['object']['commentsEnabled'] is False:
            comments_enabled = False
        elif 'rejectReplies' in post_json_object['object']:
            if post_json_object['object']['rejectReplies']:
                comments_enabled = False

    conversation_id = None
    if isinstance(post_json_object['object'], dict) and \
       'conversation' in post_json_object['object']:
        if post_json_object['object']['conversation']:
            conversation_id = post_json_object['object']['conversation']

    public_reply = False
    unlisted_reply = False
    if is_public_post(post_json_object):
        public_reply = True
    if is_unlisted_post(post_json_object):
        public_reply = False
        unlisted_reply = True
    reply_str = _get_reply_icon_html(base_dir, nickname, domain,
                                     public_reply, unlisted_reply,
                                     show_icons, comments_enabled,
                                     post_json_object, page_number_param,
                                     translate, system_language,
                                     conversation_id)

    _log_post_timing(enable_timing_log, post_start_time, '10')

    edit_str = _get_edit_icon_html(base_dir, nickname, domain_full,
                                   post_json_object, actor_nickname,
                                   translate, False)

    _log_post_timing(enable_timing_log, post_start_time, '11')

    announce_str = \
        _get_announce_icon_html(is_announced,
                                post_actor,
                                nickname, domain_full,
                                announce_json_object,
                                post_json_object,
                                is_public_repeat,
                                is_moderation_post,
                                show_repeat_icon,
                                translate,
                                page_number_param,
                                timeline_post_bookmark,
                                box_name, max_like_count)

    _log_post_timing(enable_timing_log, post_start_time, '12')

    # whether to show a like button
    hide_like_button_file = \
        acct_dir(base_dir, nickname, domain) + '/.hideLikeButton'
    show_like_button = True
    if os.path.isfile(hide_like_button_file):
        show_like_button = False

    # whether to show a reaction button
    hide_reaction_button_file = \
        acct_dir(base_dir, nickname, domain) + '/.hideReactionButton'
    show_reaction_button = True
    if os.path.isfile(hide_reaction_button_file):
        show_reaction_button = False

    like_json_object = post_json_object
    if announce_json_object:
        like_json_object = announce_json_object
    like_str = _get_like_icon_html(nickname, domain_full,
                                   is_moderation_post,
                                   show_like_button,
                                   like_json_object,
                                   enable_timing_log,
                                   post_start_time,
                                   translate, page_number_param,
                                   timeline_post_bookmark,
                                   box_name, max_like_count)

    _log_post_timing(enable_timing_log, post_start_time, '12.5')

    bookmark_str = \
        _get_bookmark_icon_html(nickname, domain_full,
                                post_json_object,
                                is_moderation_post,
                                translate,
                                enable_timing_log,
                                post_start_time, box_name,
                                page_number_param,
                                timeline_post_bookmark)

    _log_post_timing(enable_timing_log, post_start_time, '12.9')

    reaction_str = \
        _get_reaction_icon_html(nickname, domain_full,
                                post_json_object,
                                is_moderation_post,
                                show_reaction_button,
                                translate,
                                enable_timing_log,
                                post_start_time, box_name,
                                page_number_param,
                                timeline_post_bookmark)

    _log_post_timing(enable_timing_log, post_start_time, '12.10')

    is_muted = post_is_muted(base_dir, nickname, domain,
                             post_json_object, message_id)

    _log_post_timing(enable_timing_log, post_start_time, '13')

    mute_str = \
        _get_mute_icon_html(is_muted,
                            post_actor,
                            message_id,
                            nickname, domain_full,
                            allow_deletion,
                            page_number_param,
                            box_name,
                            timeline_post_bookmark,
                            translate)

    delete_str = \
        _get_delete_icon_html(nickname, domain_full,
                              allow_deletion,
                              post_actor,
                              message_id,
                              post_json_object,
                              page_number_param,
                              translate)

    _log_post_timing(enable_timing_log, post_start_time, '13.1')

    # get the title: x replies to y, x announces y, etc
    (title_str2,
     reply_avatar_image_in_post,
     container_class_icons,
     container_class) = _get_post_title_html(base_dir,
                                             http_prefix,
                                             nickname, domain,
                                             show_repeat_icon,
                                             is_announced,
                                             post_json_object,
                                             post_actor,
                                             translate,
                                             enable_timing_log,
                                             post_start_time,
                                             box_name,
                                             person_cache,
                                             allow_downloads,
                                             avatar_position,
                                             page_number,
                                             message_id_str,
                                             container_class_icons,
                                             container_class, mitm)
    title_str += title_str2

    _log_post_timing(enable_timing_log, post_start_time, '14')

    attachment_str, gallery_str = \
        get_post_attachments_as_html(post_json_object, box_name, translate,
                                     is_muted, avatar_link,
                                     reply_str, announce_str, like_str,
                                     bookmark_str, delete_str, mute_str)

    published_str = \
        _get_published_date_str(post_json_object, show_published_date_only,
                                timezone)

    _log_post_timing(enable_timing_log, post_start_time, '15')

    published_link = message_id
    # blog posts should have no /statuses/ in their link
    post_is_blog = False
    if is_blog_post(post_json_object):
        post_is_blog = True
        # is this a post to the local domain?
        if '://' + domain in message_id:
            published_link = message_id.replace('/statuses/', '/')
    # if this is a local link then make it relative so that it works
    # on clearnet or onion address
    if domain + '/users/' in published_link or \
       domain + ':' + str(port) + '/users/' in published_link:
        published_link = '/users/' + published_link.split('/users/')[1]

    if not is_news_post(post_json_object):
        footer_str = '<a href="' + published_link + \
            '" class="' + time_class + '">' + published_str + '</a>\n'
    else:
        footer_str = '<a href="' + \
            published_link.replace('/news/', '/news/statuses/') + \
            '" class="' + time_class + '">' + published_str + '</a>\n'

    # change the background color for DMs in inbox timeline
    if post_is_dm:
        container_class_icons = 'containericons dm'
        container_class = 'container dm'

    # add any content warning from the cwlists directory
    add_cw_from_lists(post_json_object, cw_lists, translate, lists_enabled)

    post_is_sensitive = False
    if post_json_object['object'].get('sensitive'):
        # sensitive posts should have a summary
        if post_json_object['object'].get('summary'):
            post_is_sensitive = post_json_object['object']['sensitive']
        else:
            # add a generic summary if none is provided
            sensitive_str = 'Sensitive'
            if translate.get(sensitive_str):
                sensitive_str = translate[sensitive_str]
            post_json_object['object']['summary'] = sensitive_str
            post_json_object['object']['summaryMap'] = {
                system_language: sensitive_str
            }

    if not post_json_object['object'].get('summary'):
        post_json_object['object']['summary'] = ''
        post_json_object['object']['summaryMap'] = {
            system_language: ''
        }

    displaying_ciphertext = False
    if post_json_object['object'].get('cipherText'):
        displaying_ciphertext = True
        post_json_object['object']['content'] = \
            e2e_edecrypt_message_from_device(post_json_object['object'])
        post_json_object['object']['contentMap'][system_language] = \
            post_json_object['object']['content']

    domain_full = get_full_domain(domain, port)
    person_url = local_actor_url(http_prefix, nickname, domain_full)
    actor_json = \
        get_person_from_cache(base_dir, person_url, person_cache, False)
    languages_understood = []
    if actor_json:
        languages_understood = get_actor_languages_list(actor_json)
    content_str = get_content_from_post(post_json_object, system_language,
                                        languages_understood)
    if not content_str:
        content_str = \
            auto_translate_post(base_dir, post_json_object,
                                system_language, translate)
        if not content_str:
            return ''

    if content_str:
        # does an emoji indicate a no boost preference?
        # if so then don't show the repeat/announce icon
        if ':boost_no:' in content_str or \
           ':noboost:' in content_str or \
           ':noboosts:' in content_str or \
           ':no_boost:' in content_str or \
           ':no_boosts:' in content_str or \
           ':boosts_no:' in content_str:
            announce_str = ''
        # does an emoji indicate a no replies preference?
        # if so then don't show the reply icon
        if ':reply_no:' in content_str or \
           ':noreply:' in content_str or \
           ':noreplies:' in content_str or \
           ':no_reply:' in content_str or \
           ':no_replies:' in content_str or \
           ':replies_no:' in content_str:
            reply_str = ''

    new_footer_str = \
        _get_footer_with_icons(show_icons,
                               container_class_icons,
                               reply_str, announce_str,
                               like_str, reaction_str, bookmark_str,
                               delete_str, mute_str, edit_str,
                               post_json_object, published_link,
                               time_class, published_str)
    if new_footer_str:
        footer_str = new_footer_str

    # add an extra line if there is a content warning,
    # for better vertical spacing on mobile
    if post_is_sensitive:
        footer_str = '<br>' + footer_str

    summary_str = get_summary_from_post(post_json_object, system_language,
                                        languages_understood)
    is_patch = is_git_patch(base_dir, nickname, domain,
                            post_json_object['object']['type'],
                            summary_str, content_str)

    _log_post_timing(enable_timing_log, post_start_time, '16')

    if not is_pgp_encrypted(content_str):
        if not is_patch:
            # Add bold text
            if bold_reading and \
               not displaying_ciphertext and \
               not post_is_blog:
                content_str = bold_reading_string(content_str)

            object_content = \
                remove_long_words(content_str, 40, [])
            object_content = \
                remove_text_formatting(object_content, bold_reading)
            object_content = limit_repeated_words(object_content, 6)
            object_content = \
                switch_words(base_dir, nickname, domain, object_content)
            object_content = html_replace_email_quote(object_content)
            object_content = html_replace_quote_marks(object_content)
        else:
            object_content = content_str
    else:
        encrypted_str = 'Encrypted'
        if translate.get(encrypted_str):
            encrypted_str = translate[encrypted_str]
        object_content = '🔒 ' + encrypted_str

    object_content = '<article>' + object_content + '</article>'

    if not post_is_sensitive:
        content_str = object_content + attachment_str
        content_str = add_embedded_elements(translate, content_str,
                                            peertube_instances)
        content_str = insert_question(base_dir, translate,
                                      nickname, domain, port,
                                      content_str, post_json_object,
                                      page_number)
    else:
        post_id = 'post' + str(create_password(8))
        content_str = ''
        if summary_str:
            cw_str = \
                add_emoji_to_display_name(session, base_dir, http_prefix,
                                          nickname, domain,
                                          summary_str, False)
            content_str += \
                '<label class="cw">' + cw_str + '</label>\n '
            if is_moderation_post:
                container_class = 'container report'
        # get the content warning text
        cw_content_str = object_content + attachment_str
        if not is_patch:
            cw_content_str = add_embedded_elements(translate, cw_content_str,
                                                   peertube_instances)
            cw_content_str = \
                insert_question(base_dir, translate, nickname, domain, port,
                                cw_content_str, post_json_object, page_number)
            cw_content_str = \
                switch_words(base_dir, nickname, domain, cw_content_str)
        if not is_blog_post(post_json_object):
            # get the content warning button
            content_str += \
                get_content_warning_button(post_id, translate, cw_content_str)
        else:
            content_str += cw_content_str

    _log_post_timing(enable_timing_log, post_start_time, '17')

    if post_json_object['object'].get('tag') and not is_patch:
        content_str = \
            replace_emoji_from_tags(session, base_dir, content_str,
                                    post_json_object['object']['tag'],
                                    'content', False)

    if is_muted:
        content_str = ''
    else:
        if not is_patch:
            content_str = '      <div class="message">' + \
                content_str + \
                '      </div>\n'
        else:
            content_str = \
                '<div class="gitpatch"><pre><code>' + content_str + \
                '</code></pre></div>\n'

    # show blog citations
    citations_str = \
        _get_blog_citations_html(box_name, post_json_object, translate)

    post_html = ''
    if box_name != 'tlmedia':
        reaction_str = ''
        if show_icons:
            reaction_str = \
                html_emoji_reactions(post_json_object, True, person_url,
                                     max_reaction_types,
                                     box_name, page_number)
            if post_is_sensitive and reaction_str:
                reaction_str = '<br>' + reaction_str
        post_html = '    <div id="' + timeline_post_bookmark + \
            '" class="' + container_class + '">\n'
        post_html += avatar_image_in_post
        post_html += '      <div class="post-title">\n' + \
            '        ' + title_str + \
            reply_avatar_image_in_post + '      </div>\n'
        post_html += \
            content_str + citations_str + reaction_str + footer_str + '\n'
        post_html += '    </div>\n'
    else:
        post_html = gallery_str

    _log_post_timing(enable_timing_log, post_start_time, '18')

    # save the created html to the recent posts cache
    if not show_public_only and store_to_cache and \
       box_name != 'tlmedia' and box_name != 'tlbookmarks' and \
       box_name != 'bookmarks':
        _save_individual_post_as_html_to_cache(base_dir, nickname, domain,
                                               post_json_object, post_html)
        update_recent_posts_cache(recent_posts_cache, max_recent_posts,
                                  post_json_object, post_html)

    _log_post_timing(enable_timing_log, post_start_time, '19')

    return post_html


def html_individual_post(css_cache: {},
                         recent_posts_cache: {}, max_recent_posts: int,
                         translate: {},
                         base_dir: str, session, cached_webfingers: {},
                         person_cache: {},
                         nickname: str, domain: str, port: int,
                         authorized: bool,
                         post_json_object: {}, http_prefix: str,
                         project_version: str, likedBy: str,
                         reactBy: str, reactEmoji: str,
                         yt_replace_domain: str,
                         twitter_replacement_domain: str,
                         show_published_date_only: bool,
                         peertube_instances: [],
                         allow_local_network_access: bool,
                         theme_name: str, system_language: str,
                         max_like_count: int, signing_priv_key_pem: str,
                         cw_lists: {}, lists_enabled: str,
                         timezone: str, mitm: bool,
                         bold_reading: bool) -> str:
    """Show an individual post as html
    """
    original_post_json = post_json_object
    post_str = ''
    by_str = ''
    by_text = ''
    by_text_extra = ''
    if likedBy:
        by_str = likedBy
        by_text = 'Liked by'
    elif reactBy and reactEmoji:
        by_str = reactBy
        by_text = 'Reaction by'
        by_text_extra = ' ' + reactEmoji

    if by_str:
        by_str_nickname = get_nickname_from_actor(by_str)
        if not by_str_nickname:
            return ''
        by_str_domain, by_str_port = get_domain_from_actor(by_str)
        by_str_domain = get_full_domain(by_str_domain, by_str_port)
        by_str_handle = by_str_nickname + '@' + by_str_domain
        if translate.get(by_text):
            by_text = translate[by_text]
        post_str += \
            '<p>' + by_text + ' <a href="' + by_str + '">@' + \
            by_str_handle + '</a>' + by_text_extra + '\n'

        domain_full = get_full_domain(domain, port)
        actor = '/users/' + nickname
        follow_str = '  <form method="POST" ' + \
            'accept-charset="UTF-8" action="' + actor + '/searchhandle">\n'
        follow_str += \
            '    <input type="hidden" name="actor" value="' + actor + '">\n'
        follow_str += \
            '    <input type="hidden" name="searchtext" value="' + \
            by_str_handle + '">\n'
        if not is_following_actor(base_dir, nickname, domain_full, by_str):
            translate_follow_str = 'Follow'
            if translate.get(translate_follow_str):
                translate_follow_str = translate[translate_follow_str]
            follow_str += '    <button type="submit" class="button" ' + \
                'name="submitSearch">' + translate_follow_str + '</button>\n'
        go_back_str = 'Go Back'
        if translate.get(go_back_str):
            go_back_str = translate[go_back_str]
        follow_str += '    <button type="submit" class="button" ' + \
            'name="submitBack">' + go_back_str + '</button>\n'
        follow_str += '  </form>\n'
        post_str += follow_str + '</p>\n'

    post_str += \
        individual_post_as_html(signing_priv_key_pem,
                                True, recent_posts_cache, max_recent_posts,
                                translate, None,
                                base_dir, session,
                                cached_webfingers, person_cache,
                                nickname, domain, port, post_json_object,
                                None, True, False,
                                http_prefix, project_version, 'inbox',
                                yt_replace_domain,
                                twitter_replacement_domain,
                                show_published_date_only,
                                peertube_instances,
                                allow_local_network_access, theme_name,
                                system_language, max_like_count,
                                False, authorized, False, False, False, False,
                                cw_lists, lists_enabled, timezone, mitm,
                                bold_reading)
    message_id = remove_id_ending(post_json_object['id'])

    # show the previous posts
    if has_object_dict(post_json_object):
        while post_json_object['object'].get('inReplyTo'):
            post_filename = \
                locate_post(base_dir, nickname, domain,
                            post_json_object['object']['inReplyTo'])
            if not post_filename:
                break
            post_json_object = load_json(post_filename)
            if post_json_object:
                mitm = False
                if os.path.isfile(post_filename.replace('.json', '') +
                                  '.mitm'):
                    mitm = True
                post_str = \
                    individual_post_as_html(signing_priv_key_pem,
                                            True, recent_posts_cache,
                                            max_recent_posts,
                                            translate, None,
                                            base_dir, session,
                                            cached_webfingers,
                                            person_cache,
                                            nickname, domain, port,
                                            post_json_object,
                                            None, True, False,
                                            http_prefix, project_version,
                                            'inbox',
                                            yt_replace_domain,
                                            twitter_replacement_domain,
                                            show_published_date_only,
                                            peertube_instances,
                                            allow_local_network_access,
                                            theme_name, system_language,
                                            max_like_count,
                                            False, authorized,
                                            False, False, False, False,
                                            cw_lists, lists_enabled,
                                            timezone, mitm,
                                            bold_reading) + post_str

    # show the following posts
    post_filename = locate_post(base_dir, nickname, domain, message_id)
    if post_filename:
        # is there a replies file for this post?
        replies_filename = post_filename.replace('.json', '.replies')
        if os.path.isfile(replies_filename):
            # get items from the replies file
            replies_json = {
                'orderedItems': []
            }
            populate_replies_json(base_dir, nickname, domain,
                                  replies_filename, authorized, replies_json)
            # add items to the html output
            for item in replies_json['orderedItems']:
                post_str += \
                    individual_post_as_html(signing_priv_key_pem,
                                            True, recent_posts_cache,
                                            max_recent_posts,
                                            translate, None,
                                            base_dir, session,
                                            cached_webfingers,
                                            person_cache,
                                            nickname, domain, port, item,
                                            None, True, False,
                                            http_prefix, project_version,
                                            'inbox',
                                            yt_replace_domain,
                                            twitter_replacement_domain,
                                            show_published_date_only,
                                            peertube_instances,
                                            allow_local_network_access,
                                            theme_name, system_language,
                                            max_like_count,
                                            False, authorized,
                                            False, False, False, False,
                                            cw_lists, lists_enabled,
                                            timezone, False,
                                            bold_reading)
    css_filename = base_dir + '/epicyon-profile.css'
    if os.path.isfile(base_dir + '/epicyon.css'):
        css_filename = base_dir + '/epicyon.css'

    instance_title = \
        get_config_param(base_dir, 'instanceTitle')
    metadata_str = _html_post_metadata_open_graph(domain, original_post_json)
    header_str = html_header_with_external_style(css_filename,
                                                 instance_title, metadata_str)
    return header_str + post_str + html_footer()


def html_post_replies(css_cache: {},
                      recent_posts_cache: {}, max_recent_posts: int,
                      translate: {}, base_dir: str,
                      session, cached_webfingers: {}, person_cache: {},
                      nickname: str, domain: str, port: int, replies_json: {},
                      http_prefix: str, project_version: str,
                      yt_replace_domain: str,
                      twitter_replacement_domain: str,
                      show_published_date_only: bool,
                      peertube_instances: [],
                      allow_local_network_access: bool,
                      theme_name: str, system_language: str,
                      max_like_count: int,
                      signing_priv_key_pem: str, cw_lists: {},
                      lists_enabled: str,
                      timezone: str, bold_reading: bool) -> str:
    """Show the replies to an individual post as html
    """
    replies_str = ''
    if replies_json.get('orderedItems'):
        for item in replies_json['orderedItems']:
            replies_str += \
                individual_post_as_html(signing_priv_key_pem,
                                        True, recent_posts_cache,
                                        max_recent_posts,
                                        translate, None,
                                        base_dir, session, cached_webfingers,
                                        person_cache,
                                        nickname, domain, port, item,
                                        None, True, False,
                                        http_prefix, project_version, 'inbox',
                                        yt_replace_domain,
                                        twitter_replacement_domain,
                                        show_published_date_only,
                                        peertube_instances,
                                        allow_local_network_access,
                                        theme_name, system_language,
                                        max_like_count,
                                        False, False, False, False,
                                        False, False,
                                        cw_lists, lists_enabled,
                                        timezone, False,
                                        bold_reading)

    css_filename = base_dir + '/epicyon-profile.css'
    if os.path.isfile(base_dir + '/epicyon.css'):
        css_filename = base_dir + '/epicyon.css'

    instance_title = get_config_param(base_dir, 'instanceTitle')
    metadata = ''
    header_str = \
        html_header_with_external_style(css_filename, instance_title, metadata)
    return header_str + replies_str + html_footer()


def html_emoji_reaction_picker(css_cache: {},
                               recent_posts_cache: {}, max_recent_posts: int,
                               translate: {},
                               base_dir: str, session, cached_webfingers: {},
                               person_cache: {},
                               nickname: str, domain: str, port: int,
                               post_json_object: {}, http_prefix: str,
                               project_version: str,
                               yt_replace_domain: str,
                               twitter_replacement_domain: str,
                               show_published_date_only: bool,
                               peertube_instances: [],
                               allow_local_network_access: bool,
                               theme_name: str, system_language: str,
                               max_like_count: int, signing_priv_key_pem: str,
                               cw_lists: {}, lists_enabled: str,
                               box_name: str, page_number: int,
                               timezone: str, bold_reading: bool) -> str:
    """Returns the emoji picker screen
    """
    reacted_to_post_str = \
        '<br><center><label class="followText">' + \
        translate['Select reaction'].title() + '</label></center>\n' + \
        individual_post_as_html(signing_priv_key_pem,
                                True, recent_posts_cache,
                                max_recent_posts,
                                translate, None,
                                base_dir, session, cached_webfingers,
                                person_cache,
                                nickname, domain, port, post_json_object,
                                None, True, False,
                                http_prefix, project_version, 'inbox',
                                yt_replace_domain,
                                twitter_replacement_domain,
                                show_published_date_only,
                                peertube_instances,
                                allow_local_network_access,
                                theme_name, system_language,
                                max_like_count,
                                False, False, False, False, False, False,
                                cw_lists, lists_enabled, timezone, False,
                                bold_reading)

    reactions_filename = base_dir + '/emoji/reactions.json'
    if not os.path.isfile(reactions_filename):
        reactions_filename = base_dir + '/emoji/default_reactions.json'
    reactions_json = load_json(reactions_filename)
    emoji_picks_str = ''
    base_url = '/users/' + nickname
    post_id = remove_id_ending(post_json_object['id'])
    for _, item in reactions_json.items():
        emoji_picks_str += '<div class="container">\n'
        for emoji_content in item:
            emoji_content_encoded = urllib.parse.quote_plus(emoji_content)
            emoji_url = \
                base_url + '?react=' + post_id + \
                '?actor=' + post_json_object['actor'] + \
                '?tl=' + box_name + \
                '?page=' + str(page_number) + \
                '?emojreact=' + emoji_content_encoded
            emoji_label = '<label class="rlab">' + emoji_content + '</label>'
            emoji_picks_str += \
                '  <a href="' + emoji_url + '">' + emoji_label + '</a>\n'
        emoji_picks_str += '</div>\n'

    css_filename = base_dir + '/epicyon-profile.css'
    if os.path.isfile(base_dir + '/epicyon.css'):
        css_filename = base_dir + '/epicyon.css'

    # filename of the banner shown at the top
    banner_file, _ = \
        get_banner_file(base_dir, nickname, domain, theme_name)

    instance_title = get_config_param(base_dir, 'instanceTitle')
    metadata = ''
    header_str = \
        html_header_with_external_style(css_filename, instance_title, metadata)

    # banner
    header_str += \
        '<header>\n' + \
        '<a href="/users/' + nickname + '/' + box_name + \
        '?page=' + str(page_number) + '" title="' + \
        translate['Switch to timeline view'] + '" alt="' + \
        translate['Switch to timeline view'] + '">\n'
    header_str += '<img loading="lazy" decoding="async" ' + \
        'class="timeline-banner" alt="" ' + \
        'src="/users/' + nickname + '/' + banner_file + '" /></a>\n' + \
        '</header>\n'

    return header_str + reacted_to_post_str + emoji_picks_str + html_footer()