__filename__ = "webapp_moderation.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.2.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@freedombone.net"
__status__ = "Production"
__module_group__ = "Moderation"

import os
from utils import isAccountDir
from utils import getFullDomain
from utils import isEditor
from utils import loadJson
from utils import getNicknameFromActor
from utils import getDomainFromActor
from utils import getConfigParam
from posts import downloadFollowCollection
from posts import getPublicPostInfo
from posts import isModerator
from webapp_timeline import htmlTimeline
# from webapp_utils import getPersonAvatarUrl
from webapp_utils import getContentWarningButton
from webapp_utils import htmlHeaderWithExternalStyle
from webapp_utils import htmlFooter
from blocking import isBlockedDomain
from blocking import isBlocked
from session import createSession


def htmlModeration(cssCache: {}, defaultTimeline: str,
                   recentPostsCache: {}, maxRecentPosts: int,
                   translate: {}, pageNumber: int, itemsPerPage: int,
                   session, baseDir: str, wfRequest: {}, personCache: {},
                   nickname: str, domain: str, port: int, inboxJson: {},
                   allowDeletion: bool,
                   httpPrefix: str, projectVersion: str,
                   YTReplacementDomain: str,
                   showPublishedDateOnly: bool,
                   newswire: {}, positiveVoting: bool,
                   showPublishAsIcon: bool,
                   fullWidthTimelineButtonHeader: bool,
                   iconsAsButtons: bool,
                   rssIconAtTop: bool,
                   publishButtonAtTop: bool,
                   authorized: bool, moderationActionStr: str,
                   theme: str, peertubeInstances: [],
                   allowLocalNetworkAccess: bool,
                   textModeBanner: str,
                   accessKeys: {}, systemLanguage: str) -> str:
    """Show the moderation feed as html
    This is what you see when selecting the "mod" timeline
    """
    return htmlTimeline(cssCache, defaultTimeline,
                        recentPostsCache, maxRecentPosts,
                        translate, pageNumber,
                        itemsPerPage, session, baseDir, wfRequest, personCache,
                        nickname, domain, port, inboxJson, 'moderation',
                        allowDeletion, httpPrefix, projectVersion, True, False,
                        YTReplacementDomain, showPublishedDateOnly,
                        newswire, False, False, positiveVoting,
                        showPublishAsIcon, fullWidthTimelineButtonHeader,
                        iconsAsButtons, rssIconAtTop, publishButtonAtTop,
                        authorized, moderationActionStr, theme,
                        peertubeInstances, allowLocalNetworkAccess,
                        textModeBanner, accessKeys, systemLanguage)


def htmlAccountInfo(cssCache: {}, translate: {},
                    baseDir: str, httpPrefix: str,
                    nickname: str, domain: str, port: int,
                    searchHandle: str, debug: bool,
                    systemLanguage: str) -> str:
    """Shows which domains a search handle interacts with.
    This screen is shown if a moderator enters a handle and selects info
    on the moderation screen
    """
    msgStr1 = 'This account interacts with the following instances'

    infoForm = ''
    cssFilename = baseDir + '/epicyon-profile.css'
    if os.path.isfile(baseDir + '/epicyon.css'):
        cssFilename = baseDir + '/epicyon.css'

    instanceTitle = \
        getConfigParam(baseDir, 'instanceTitle')
    infoForm = htmlHeaderWithExternalStyle(cssFilename, instanceTitle)

    searchNickname = getNicknameFromActor(searchHandle)
    searchDomain, searchPort = getDomainFromActor(searchHandle)

    searchHandle = searchNickname + '@' + searchDomain
    searchActor = \
        httpPrefix + '://' + searchDomain + '/users/' + searchNickname
    infoForm += \
        '<center><h1><a href="/users/' + nickname + '/moderation">' + \
        translate['Account Information'] + ':</a> <a href="' + searchActor + \
        '">' + searchHandle + '</a></h1><br>\n'

    infoForm += translate[msgStr1] + '</center><br><br>\n'

    proxyType = 'tor'
    if not os.path.isfile('/usr/bin/tor'):
        proxyType = None
    if domain.endswith('.i2p'):
        proxyType = None

    session = createSession(proxyType)

    wordFrequency = {}
    domainDict = getPublicPostInfo(session,
                                   baseDir, searchNickname, searchDomain,
                                   proxyType, searchPort,
                                   httpPrefix, debug,
                                   __version__, wordFrequency, systemLanguage)

    # get a list of any blocked followers
    followersList = \
        downloadFollowCollection('followers', session,
                                 httpPrefix, searchActor, 1, 5)
    blockedFollowers = []
    for followerActor in followersList:
        followerNickname = getNicknameFromActor(followerActor)
        followerDomain, followerPort = getDomainFromActor(followerActor)
        followerDomainFull = getFullDomain(followerDomain, followerPort)
        if isBlocked(baseDir, nickname, domain,
                     followerNickname, followerDomainFull):
            blockedFollowers.append(followerActor)

    # get a list of any blocked following
    followingList = \
        downloadFollowCollection('following', session,
                                 httpPrefix, searchActor, 1, 5)
    blockedFollowing = []
    for followingActor in followingList:
        followingNickname = getNicknameFromActor(followingActor)
        followingDomain, followingPort = getDomainFromActor(followingActor)
        followingDomainFull = getFullDomain(followingDomain, followingPort)
        if isBlocked(baseDir, nickname, domain,
                     followingNickname, followingDomainFull):
            blockedFollowing.append(followingActor)

    infoForm += '<div class="accountInfoDomains">\n'
    usersPath = '/users/' + nickname + '/accountinfo'
    ctr = 1
    for postDomain, blockedPostUrls in domainDict.items():
        infoForm += '<a href="' + \
            httpPrefix + '://' + postDomain + '">' + postDomain + '</a> '
        if isBlockedDomain(baseDir, postDomain):
            blockedPostsLinks = ''
            urlCtr = 0
            for url in blockedPostUrls:
                if urlCtr > 0:
                    blockedPostsLinks += '<br>'
                blockedPostsLinks += \
                    '<a href="' + url + '">' + url + '</a>'
                urlCtr += 1
            blockedPostsHtml = ''
            if blockedPostsLinks:
                blockNoStr = 'blockNumber' + str(ctr)
                blockedPostsHtml = \
                    getContentWarningButton(blockNoStr,
                                            translate, blockedPostsLinks)
                ctr += 1

            infoForm += \
                '<a href="' + usersPath + '?unblockdomain=' + postDomain + \
                '?handle=' + searchHandle + '">'
            infoForm += '<button class="buttonhighlighted"><span>' + \
                translate['Unblock'] + '</span></button></a> ' + \
                blockedPostsHtml + '\n'
        else:
            infoForm += \
                '<a href="' + usersPath + '?blockdomain=' + postDomain + \
                '?handle=' + searchHandle + '">'
            if postDomain != domain:
                infoForm += '<button class="button"><span>' + \
                    translate['Block'] + '</span></button>'
            infoForm += '</a>\n'
        infoForm += '<br>\n'

    infoForm += '</div>\n'

    if blockedFollowing:
        blockedFollowing.sort()
        infoForm += '<div class="accountInfoDomains">\n'
        infoForm += '<h1>' + translate['Blocked following'] + '</h1>\n'
        infoForm += \
            '<p>' + \
            translate['Receives posts from the following accounts'] + \
            ':</p>\n'
        for actor in blockedFollowing:
            followingNickname = getNicknameFromActor(actor)
            followingDomain, followingPort = getDomainFromActor(actor)
            followingDomainFull = \
                getFullDomain(followingDomain, followingPort)
            infoForm += '<a href="' + actor + '">' + \
                followingNickname + '@' + followingDomainFull + \
                '</a><br><br>\n'
        infoForm += '</div>\n'

    if blockedFollowers:
        blockedFollowers.sort()
        infoForm += '<div class="accountInfoDomains">\n'
        infoForm += '<h1>' + translate['Blocked followers'] + '</h1>\n'
        infoForm += \
            '<p>' + \
            translate['Sends out posts to the following accounts'] + \
            ':</p>\n'
        for actor in blockedFollowers:
            followerNickname = getNicknameFromActor(actor)
            followerDomain, followerPort = getDomainFromActor(actor)
            followerDomainFull = getFullDomain(followerDomain, followerPort)
            infoForm += '<a href="' + actor + '">' + \
                followerNickname + '@' + followerDomainFull + '</a><br><br>\n'
        infoForm += '</div>\n'

    if wordFrequency:
        maxCount = 1
        for word, count in wordFrequency.items():
            if count > maxCount:
                maxCount = count
        minimumWordCount = int(maxCount / 2)
        if minimumWordCount >= 3:
            infoForm += '<div class="accountInfoDomains">\n'
            infoForm += '<h1>' + translate['Word frequencies'] + '</h1>\n'
            wordSwarm = ''
            ctr = 0
            for word, count in wordFrequency.items():
                if count >= minimumWordCount:
                    if ctr > 0:
                        wordSwarm += ' '
                    if count < maxCount - int(maxCount / 4):
                        wordSwarm += word
                    else:
                        if count != maxCount:
                            wordSwarm += '<b>' + word + '</b>'
                        else:
                            wordSwarm += '<b><i>' + word + '</i></b>'
                    ctr += 1
            infoForm += wordSwarm
            infoForm += '</div>\n'

    infoForm += htmlFooter()
    return infoForm


def htmlModerationInfo(cssCache: {}, translate: {},
                       baseDir: str, httpPrefix: str,
                       nickname: str) -> str:
    msgStr1 = \
        'These are globally blocked for all accounts on this instance'
    msgStr2 = \
        'Any blocks or suspensions made by moderators will be shown here.'

    infoForm = ''
    cssFilename = baseDir + '/epicyon-profile.css'
    if os.path.isfile(baseDir + '/epicyon.css'):
        cssFilename = baseDir + '/epicyon.css'

    instanceTitle = \
        getConfigParam(baseDir, 'instanceTitle')
    infoForm = htmlHeaderWithExternalStyle(cssFilename, instanceTitle)

    infoForm += \
        '<center><h1><a href="/users/' + nickname + '/moderation">' + \
        translate['Moderation Information'] + \
        '</a></h1></center><br>'

    infoShown = False

    accounts = []
    for subdir, dirs, files in os.walk(baseDir + '/accounts'):
        for acct in dirs:
            if not isAccountDir(acct):
                continue
            accounts.append(acct)
        break
    accounts.sort()

    cols = 5
    if len(accounts) > 10:
        infoForm += '<details><summary><b>' + translate['Show Accounts']
        infoForm += '</b></summary>\n'
    infoForm += '<div class="container">\n'
    infoForm += '<table class="accountsTable">\n'
    infoForm += '  <colgroup>\n'
    for col in range(cols):
        infoForm += '    <col span="1" class="accountsTableCol">\n'
    infoForm += '  </colgroup>\n'
    infoForm += '<tr>\n'

    col = 0
    for acct in accounts:
        acctNickname = acct.split('@')[0]
        accountDir = os.path.join(baseDir + '/accounts', acct)
        actorJson = loadJson(accountDir + '.json')
        if not actorJson:
            continue
        actor = actorJson['id']
        avatarUrl = ''
        ext = ''
        if actorJson.get('icon'):
            if actorJson['icon'].get('url'):
                avatarUrl = actorJson['icon']['url']
                if '.' in avatarUrl:
                    ext = '.' + avatarUrl.split('.')[-1]
        acctUrl = \
            '/users/' + nickname + '?options=' + actor + ';1;' + \
            '/members/' + acctNickname + ext
        infoForm += '<td>\n<a href="' + acctUrl + '">'
        infoForm += '<img loading="lazy" style="width:90%" '
        infoForm += 'src="' + avatarUrl + '" />'
        infoForm += '<br><center>'
        if isModerator(baseDir, acctNickname):
            infoForm += '<b><u>' + acctNickname + '</u></b>'
        else:
            infoForm += acctNickname
        if isEditor(baseDir, acctNickname):
            infoForm += ' ✍'
        infoForm += '</center></a>\n</td>\n'
        col += 1
        if col == cols:
            # new row of accounts
            infoForm += '</tr>\n<tr>\n'
    infoForm += '</tr>\n</table>\n'
    infoForm += '</div>\n'
    if len(accounts) > 10:
        infoForm += '</details>\n'

    suspendedFilename = baseDir + '/accounts/suspended.txt'
    if os.path.isfile(suspendedFilename):
        with open(suspendedFilename, 'r') as f:
            suspendedStr = f.read()
            infoForm += '<div class="container">\n'
            infoForm += '  <br><b>' + \
                translate['Suspended accounts'] + '</b>'
            infoForm += '  <br>' + \
                translate['These are currently suspended']
            infoForm += \
                '  <textarea id="message" ' + \
                'name="suspended" style="height:200px" spellcheck="false">' + \
                suspendedStr + '</textarea>\n'
            infoForm += '</div>\n'
            infoShown = True

    blockingFilename = baseDir + '/accounts/blocking.txt'
    if os.path.isfile(blockingFilename):
        with open(blockingFilename, 'r') as f:
            blockedStr = f.read()
            infoForm += '<div class="container">\n'
            infoForm += \
                '  <br><b>' + \
                translate['Blocked accounts and hashtags'] + '</b>'
            infoForm += \
                '  <br>' + \
                translate[msgStr1]
            infoForm += \
                '  <textarea id="message" ' + \
                'name="blocked" style="height:700px" spellcheck="false">' + \
                blockedStr + '</textarea>\n'
            infoForm += '</div>\n'
            infoShown = True

    filtersFilename = baseDir + '/accounts/filters.txt'
    if os.path.isfile(filtersFilename):
        with open(filtersFilename, 'r') as f:
            filteredStr = f.read()
            infoForm += '<div class="container">\n'
            infoForm += \
                '  <br><b>' + \
                translate['Filtered words'] + '</b>'
            infoForm += \
                '  <textarea id="message" ' + \
                'name="filtered" style="height:700px" spellcheck="true">' + \
                filteredStr + '</textarea>\n'
            infoForm += '</div>\n'
            infoShown = True

    if not infoShown:
        infoForm += \
            '<center><p>' + \
            translate[msgStr2] + \
            '</p></center>\n'
    infoForm += htmlFooter()
    return infoForm