# -*- coding: utf-8 -*-
"""Implementation of IPTVManager class"""

from __future__ import absolute_import, division, unicode_literals

import logging
from datetime import timedelta

from resources.lib import kodiutils
from resources.lib.viervijfzes import CHANNELS
from resources.lib.viervijfzes.epg import EpgApi

_LOGGER = logging.getLogger(__name__)


class IPTVManager:
    """Interface to IPTV Manager"""

    def __init__(self, port):
        """Initialize IPTV Manager object"""
        self.port = port

    def via_socket(func):  # pylint: disable=no-self-argument
        """Send the output of the wrapped function to socket"""

        def send(self):
            """Decorator to send over a socket"""
            import json
            import socket
            sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            sock.connect(('127.0.0.1', self.port))
            try:
                sock.sendall(json.dumps(func()).encode())  # pylint: disable=not-callable
            finally:
                sock.close()

        return send

    @via_socket
    def send_channels():  # pylint: disable=no-method-argument
        """Return JSON-STREAMS formatted information to IPTV Manager"""
        streams = []
        for key, channel in CHANNELS.items():
            item = dict(
                id=channel.get('iptv_id'),
                name=channel.get('name'),
                logo='special://home/addons/{addon}/resources/logos/{logo}'.format(addon=kodiutils.addon_id(),
                                                                                   logo=channel.get('logo')),
                preset=channel.get('iptv_preset'),
                stream='plugin://plugin.video.viervijfzes/play/live/{channel}'.format(channel=key),
                vod='plugin://plugin.video.viervijfzes/play/epg/{channel}/{{date}}'.format(channel=key)
            )

            streams.append(item)

        return dict(version=1, streams=streams)

    @via_socket
    def send_epg():  # pylint: disable=no-method-argument
        """Return JSON-EPG formatted information to IPTV Manager"""
        epg_api = EpgApi()

        try:  # Python 3
            from urllib.parse import quote
        except ImportError:  # Python 2
            from urllib import quote

        results = dict()
        for key, channel in CHANNELS.items():
            iptv_id = channel.get('iptv_id')

            results[iptv_id] = []
            for date in ['yesterday', 'today', 'tomorrow']:
                epg = epg_api.get_epg(key, date)

                results[iptv_id].extend([
                    dict(
                        start=program.start.isoformat(),
                        stop=(program.start + timedelta(seconds=program.duration)).isoformat(),
                        title=program.program_title,
                        subtitle=program.episode_title,
                        description=program.description,
                        episode='S%dE%d' % (program.season, program.number) if program.season and program.number else None,
                        genre=program.genre,
                        genre_id=program.genre_id,
                        image=program.cover,
                        stream=kodiutils.url_for('play_from_page',
                                                 channel=key,
                                                 page=quote(program.video_url, safe='')) if program.video_url else None)
                    for program in epg if program.duration
                ])

        return dict(version=1, epg=results)