import os
import re
import time
from tempfile import TemporaryDirectory

import boto3
import filetype
import twitter
from django.db import models
# from qrtools import QR
from telegram import Update, InlineKeyboardMarkup, InlineKeyboardButton, MessageEntity
from telegram.ext import CallbackContext, Dispatcher, MessageHandler, Filters
from djconfig import config

from bots.models import TelegramBotModuleConfig, BotUser


class RobotBotModuleConfig(TelegramBotModuleConfig):
    users = models.ManyToManyField(BotUser)

    MODULE_NAME = 'RoBOT'

    def build_dispatcher(self, dispatcher: Dispatcher):
        dispatcher.add_handler(MessageHandler(Filters.audio | Filters.photo | Filters.video | Filters.document,
                                              self.save_file))
        dispatcher.add_handler(MessageHandler(Filters.text & (Filters.entity(MessageEntity.URL) |
                                                              Filters.entity(MessageEntity.TEXT_LINK)),
                                              self.document_downloader))
        return dispatcher

    def save_file(self, update: Update, ctx: CallbackContext):
        config._reload_maybe()

        if self.users.count() and not self.users.filter(user_id=update.effective_user.id).count():
            update.effective_message.reply_text('GTFO')
            return

        markup = InlineKeyboardMarkup([])

        if update.message.photo:
            file_id = update.message.photo[-1].file_id
        elif update.message.audio:
            file_id = update.message.audio.file_id
        elif update.message.video:
            file_id = update.message.video.file_id
        elif update.message.document:
            file_id = update.message.document.file_id
        else:
            return

        file = ctx.bot.get_file(file_id)
        filename = str(int(time.time())) + '-' + os.path.basename(file.file_path)
        text = ''
        with TemporaryDirectory() as d:
            file_path = os.path.join(d, filename)
            file.download(file_path)
            tp = filetype.guess(file_path)
            s3 = boto3.client('s3', aws_access_key_id=config.aws_access_key_id, aws_secret_access_key=config.aws_secret_access_key)
            s3.upload_file(file_path, config.s3_bucket, filename, ExtraArgs={'ACL': 'public-read', 'ContentType': tp.mime})
            # if update.message.text == 'qr':
            #     qr = QR(filename=file_path)
            #     qr.decode()
            #     text = f'QR:\n{qr.data}'
        file_url = f'https://{config.s3_bucket}.s3.amazonaws.com/{filename}'
        text += f'\n\n{file_url}'
        if update.message.photo:
            markup.inline_keyboard = [[
                InlineKeyboardButton('Google IS', f'https://www.google.com/searchbyimage?image_url={file_url}'),
                InlineKeyboardButton('Yandex IS', f'https://yandex.ru/images/search?rpt=imageview&url={file_url}'),
                InlineKeyboardButton('SauceNao', f'https://saucenao.com/search.php?url={file_url}')
            ]]
        update.message.reply_text(text, disable_web_page_preview=True, reply_markup=markup)

    def document_downloader(self, update: Update, ctx: CallbackContext):
        config._reload_maybe()

        if self.users.count() and not self.users.filter(user_id=update.effective_user.id).count():
            update.effective_message.reply_text('GTFO')
            return

        links = update.effective_message.parse_entities([MessageEntity.URL, MessageEntity.TEXT_LINK]).values()
        for link in links:
            try:
                twitter_matches = re.match(r'https?://twitter.com/[A-Za-z0-9_]{1,15}/status/(\d+).*', link)
                if link.endswith('.gif'):
                    update.message.reply_document(link)
                elif twitter_matches:
                    api = twitter.Api(config.twitter_consumer_api_key, config.twitter_consumer_api_secret,
                                      config.twitter_access_token, config.twitter_access_token_secret)
                    tweet = api.GetStatus(twitter_matches.group(1))
                    try:
                        for media in tweet_info['extended_entities']['media']:
                            if media['type'] == 'video':
                                max_bitrate = -1
                                max_bitrate_link = None
                                for variant in media['video_info']['variants']:
                                    if variant['content_type'] == 'video/mp4' and variant['bitrate'] > max_bitrate:
                                        max_bitrate = variant['bitrate']
                                        max_bitrate_link = variant['url']
                                if max_bitrate_link is not None:
                                    update.message.reply_video(max_bitrate_link)
                    except KeyError:
                        update.message.reply_text('Unable to retrieve video info from tweet')
                else:
                    update.message.reply_text('Can\'t detect link type')
            except BadRequest:
                update.message.reply_text('Unable to retrieve file')