from app.libraries.pixelfed import Pixelfed
from app.libraries.setup import Setup
from mastodon import Mastodon
import subprocess
import re
import os
import sys
import os.path
import string
import secrets
import requests
import pdb

def cleanhtml(raw_html):
    cleanr = re.compile('<.*?>')
    cleantext = re.sub(cleanr, '', raw_html)
    return cleantext

def unescape(s):
    s = s.replace("&apos;", "'")
    return s

def generate_email():

    alphabet = string.ascii_letters + string.digits

    while True:

        email_address = ''.join(secrets.choice(alphabet) for i in range(6))

        if (any(c.islower() for c in email_address)
              and any(c.isupper() for c in email_address)
              and sum(c.isdigit() for c in email_address) >= 3):
           break

    email_address = email_address + '@' + setup.mastodon_hostname

    return email_address

def generate_pass():

    alphabet = string.ascii_letters + string.digits

    while True:

        password = ''.join(secrets.choice(alphabet) for i in range(10))

        if (any(c.islower() for c in password)
              and any(c.isupper() for c in password)
              and sum(c.isdigit() for c in password) >= 3):
           break

    return password

def get_data(notif):

    notification_id = notif.id

    if notif.type != 'mention':

        print(f'dismissing notification {notification_id}')

        mastodon.notifications_dismiss(notification_id)

        return

    account_id = notif.account.id

    username = notif.account.acct
    
    if '@' in username:

        print(f'dismissing notification {notification_id}')

        mastodon.notifications_dismiss(notification_id)

        return

    status_id = notif.status.id

    text  = notif.status.content

    visibility = notif.status.visibility

    reply, query_word = replying(text)

    if reply:

        if query_word == 'registre':

            email = generate_email()

            user_pass = generate_pass()

            #response = pixelfed.pre_flight_check()

            #response = pixelfed.email_verification(email, username)

            #registered, response = pixelfed.in_app_registration(email, username, user_pass)

            registered = register(username, email, user_pass)

            if registered:

                toot_text = f'@{username} registrat amb èxit!\n\n'

                toot_text += f'instància Pixelfed: {pixelfed.api_base_url} \n'

                toot_text += f'usuari: {email}\n'

                toot_text += f'contrasenya: {user_pass}\n\n'

                toot_text += "nota: aquesta contrasenya s'ha generat aleatòriament però l'hauràs de canviar "

                toot_text += f"desprès d'iniciar sessió a {pixelfed.api_base_url}\n\n"

                toot_text += f"Compte! a {pixelfed.api_base_url} tens assignada una adreça de correu aleatoria i falsa, sota el domini mastodont.cat. "

                toot_text += f"L'hauràs de canviar a {pixelfed.api_base_url}/settings/email per a poder rebre notificacions per correu electrònic."

                mastodon.status_post(toot_text, in_reply_to_id=status_id,visibility='direct')

                mastodon.notifications_dismiss(notification_id)

            else:

                toot_text = f'@{username} error en el registre!\n\n'

                mastodon.status_post(toot_text, in_reply_to_id=status_id,visibility=visibility)

                mastodon.notifications_dismiss(notification_id)

        else:

            mastodon.status_post(toot_text, in_reply_to_id=status_id,visibility=visibility)

            mastodon.notifications_dismiss(notification_id)

def replying(text):

    reply = False

    content = cleanhtml(text)
    content = unescape(content)

    try:

        start = content.index("@")

        end = content.index(" ")

        if len(content) > end:

            content = content[0: start:] + content[end +1::]

        cleanit = content.count('@')

        i = 0
        while i < cleanit :

            start = content.rfind("@")
            end = len(content)
            content = content[0: start:] + content[end +1::]
            i += 1

        content = content.lower()
        
        query_word = content

        if query_word == 'registre':

            reply = True

    except:

        pass

    return (reply, query_word)

def register(username, email, password):

    result = False

    try:

        pixelfed_new_user = subprocess.run([
            "/usr/bin/php",
            "artisan",
            "user:create",
            f"--name={username}",
            f"--username={username}",
            f"--email={email}",
            f"--password={password}",
            "--confirm_email=true"
            ],
            cwd=pixelfed.pixelfed_path,
            check=True
            )

        if pixelfed_new_user.returncode == 0:

            result = True

    except subprocess.CalledProcessError as err:

        pass

    return result

###############################################################################
# main

if __name__ == '__main__':

    setup = Setup()

    pixelfed = Pixelfed()

    mastodon = Mastodon(
        access_token = setup.mastodon_app_token,
        api_base_url= setup.mastodon_hostname
        )

    notifications = mastodon.notifications()

    for notif in notifications:

        get_data(notif)