__filename__="donate.py"
__author__="Bob Mottram"
__license__="AGPL3+"
__version__="1.1.0"
__maintainer__="Bob Mottram"
__email__="bob@freedombone.net"
__status__="Production"

import json

def getDonationTypes() -> str:
    return ('patreon','paypal','gofundme','liberapay', \
            'kickstarter','indiegogo','crowdsupply', \
            'subscribestar')

def getDonationUrl(actorJson: {}) -> str:
    """Returns a link used for donations
    """
    if not actorJson.get('attachment'):
        return ''
    donationType=getDonationTypes()
    for propertyValue in actorJson['attachment']:
        if not propertyValue.get('name'):
            continue
        if propertyValue['name'].lower() not in donationType:
            continue
        if not propertyValue.get('type'):
            continue
        if not propertyValue.get('value'):
            continue
        if propertyValue['type']!='PropertyValue':
            continue
        if '<a href="' not in propertyValue['value']:
            continue
        donateUrl=propertyValue['value'].split('<a href="')[1]
        if '"' in donateUrl:
            return donateUrl.split('"')[0]
    return ''

def setDonationUrl(actorJson: {},donateUrl: str) -> None:
    """Sets a link used for donations
    """
    if not actorJson.get('attachment'):
        actorJson['attachment']=[]

    donationType=getDonationTypes()
    donateName=None
    for paymentService in donationType:
        if paymentService in donateUrl:
            donateName=paymentService
    if not donateName:
        return

    # remove any existing value
    propertyFound=None
    for propertyValue in actorJson['attachment']:
        if not propertyValue.get('name'):
            continue
        if not propertyValue.get('type'):
            continue
        if not propertyValue['name'].lower()!=donateName:
            continue
        propertyFound=propertyValue
        break
    if propertyFound:
        actorJson['attachment'].remove(propertyFound)

    donateValue='<a href="'+donateUrl+'" rel="me nofollow noopener noreferrer" target="_blank">'+donateUrl+'</a>'

    for propertyValue in actorJson['attachment']:
        if not propertyValue.get('name'):
            continue
        if not propertyValue.get('type'):
            continue
        if propertyValue['name'].lower()!=donateName:
            continue
        if propertyValue['type']!='PropertyValue':
            continue
        propertyValue['value']=donateValue
        return

    newDonate={
        "name": donateName,
        "type": "PropertyValue",
        "value": donateValue
    }
    actorJson['attachment'].append(newDonate)