#!/usr/bin/env python3

import hashlib
import io
import json
import os
import pickle
import threading

import ChannelProvider
import feedparser
import requests
import wx
from bs4 import BeautifulSoup
from Items import Item


class SVT(ChannelProvider.ChannelProvider):
    m_cache: dict = dict()
    m_cachefile = '/tmp/svt_cache'

    def __init__(self) -> None:
        rss_url = 'http://www.svtplay.se/rss.xml'
        logo_url = 'https://upload.wikimedia.org/wikipedia/commons/'
        logo_url += 'thumb/4/4b/Logotyp_SVT_Play.png/480px-Logotyp_SVT_Play.png'
        super().__init__('SVT', rss_url, logo_url)

        if os.path.exists(self.m_cachefile):
            with open(self.m_cachefile, 'rb') as cachehandle:
                self.m_cache = pickle.load(cachehandle)
        self.m_thr = threading.Thread(target=self.parse_feed,
                                      args=(),
                                      kwargs={})
        self.m_thr.start()

    def wait(self) -> bool:
        return self.m_thr.is_alive()

    def parse_feed(self) -> None:
        feed = feedparser.parse(self.get_feed())
        entries = feed['entries']
        self.m_items: list[Item] = list()

        for entry in entries:
            key = hashlib.sha256(entry['link'].encode('utf-8')).hexdigest()

            if key in self.m_cache.keys():
                thumbnail_link = self.m_cache[key]['thumbnail_link']
                content = self.m_cache[key]['content']
                resolved_link = self.m_cache[key]['resolved_link']
                description = self.m_cache[key]['description']
                published_parsed = self.m_cache[key]['published_parsed']
                title = self.m_cache[key]['title']
            else:
                svt_id = ''

                for link in entry['links']:
                    if str(link['type']).startswith('image/'):
                        thumbnail_link = str(link['href'])

                        break
                page = requests.get(str(entry['link']))
                soup = BeautifulSoup(page.text, 'html.parser')

                for element in soup.find_all('a'):
                    href = element.get('href')
                    datart = element.get('data-rt')

                    if datart == 'top-area-play-button':
                        svt_id = href.split('=')[1].split('&')[0]

                api = json.loads(
                    requests.get(
                        'https://api.svt.se/video/{}'.format(svt_id)).text)
                resolved_link = ''

                for reference in api['videoReferences']:
                    if reference['format'] == "dashhbbtv":
                        resolved_link = reference['url']
                        print(resolved_link)
                description = str(entry['description'])
                published_parsed = entry['published_parsed']
                title = str(entry['title'])
                res = requests.get(thumbnail_link)
                content = res.content
            content_bytes = io.BytesIO(content)
            self.m_cache[key] = {'thumbnail_link': thumbnail_link}
            self.m_cache[key]['content'] = content
            self.m_cache[key]['resolved_link'] = resolved_link
            self.m_cache[key]['description'] = description
            self.m_cache[key]['published_parsed'] = published_parsed
            self.m_cache[key]['title'] = title

            image = wx.Image(content_bytes, type=wx.BITMAP_TYPE_ANY, index=-1)
            thumbnail = wx.Bitmap(image)
            item = Item(description, resolved_link, self.m_provider_name,
                        published_parsed, thumbnail, title)
            self.m_items.append(item)

        # write to cache file
        with open(self.m_cachefile, 'wb') as cachehandle:
            pickle.dump(self.m_cache, cachehandle)