"""
    Kodi urlresolver plugin
    Copyright (C) 2017 alifrezser

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import re
from lib import helpers
from urlresolver import common
from urlresolver.resolver import UrlResolver, ResolverError


class PowVideoResolver(UrlResolver):
    name = "powvideo"
    domains = ["powvideo.net", "powvideo.cc"]
    pattern = '(?://|\.)(powvideo\.(?:net|cc))/(?:embed-|iframe-|preview-)?([0-9a-zA-Z]+)'

    def __init__(self):
        self.net = common.Net()

    def get_media_url(self, host, media_id):
        web_url = self.get_url(host, media_id)
        headers = {'User-Agent': common.RAND_UA, 'Referer': web_url.replace("iframe-", "preview-")}
        html = self.net.http_GET(web_url, headers=headers).content

        if html:
            splice = re.search("\['splice'\]\(0x([0-9a-fA-F]*),0x([0-9a-fA-F]*)\);", html)
            sources = helpers.scrape_sources(html, patterns=['''src\s*:\s*["'](?P<url>http[^"']+\.mp4)["']'''])
            if sources and splice:
                headers.update({'Referer': web_url})
                sources = [(source[0], self.decode_video_url(source[1], int(splice.group(1), 16), int(splice.group(2), 16))) for source in sources]

                return helpers.pick_source(sources) + helpers.append_headers(headers)

        raise ResolverError('File not found')

    def get_url(self, host, media_id):
        return self._default_get_url(host, media_id, template='http://{host}/iframe-{media_id}-954x562.html')

    def decode_video_url(self, url, desde, num):
        tria = re.compile('[0-9a-z]{40,}', re.IGNORECASE).findall(url)[0]
        gira = tria[::-1]
        if desde == 0:
            x = gira[num:]
        else:
            x = gira[:desde] + gira[(desde+num):]
        
        return re.sub(tria, x, url)