#!/usr/bin/python3
"""
Simple script that extracts information from Télé 7 jours and TMDB
to help choosing the movies you want to record with your Freebox

Todo :
  * Scrape beginning and end time
  * Schedule recordings on Freebox using the FB API
    https://dev.freebox.fr/sdk/os/pvr/#pvr-programmed-records
  * Display conflicts if any
"""
import datetime
import json
import logging
import requests
import textwrap
import tmdbsimple
from pyfbx.pyfbx import Fbx
from bs4 import BeautifulSoup
from collections import deque


class Movie:
    def __init__(self):
        self.day = ''
        self.title = ''
        self.genre = ''
        self.channel = ''
        self.rating = ''
        self.original_title = ''
        self.overview = ''
        self.good = False
        self.tmdb_id = ''
        self.url = ''
        self.user_selected = False

    def __str__(self):
        return '{}: {} - {} ({})\n  TMDB: {} - {}\n  @ {}\n    {}'.format(
            'Today' if self.day == '' else self.day,
            self.title,
            self.genre,
            self.channel,
            self.rating,
            self.original_title,
            self.url,
            self.overview
        )

    def __repr__(self):
        return "Movie <{} (D:{} — Ch:{} – R:{})>".format(
            self.title,
            'Today' if self.day == '' else self.day,
            self.channel,
            self.rating
        )


class TVGuideScraper:
    TV_GUIDE_URL = 'https://www.programme-television.org/{}?bouquet=free'

    def findAllMovies():
        movies = []
        days = deque(['lundi', 'mardi', 'mercredi',
                      'jeudi', 'vendredi', 'samedi', 'dimanche'])
        offset = datetime.datetime.today().weekday()
        days.rotate(-1-offset)
        days.appendleft('')
        for day in days:
            movies += TVGuideScraper._getMovies(day)
        logging.info('Found the following movies: {}'.format(movies))
        return movies

    @staticmethod
    def _getMovies(day=''):
        logging.info('Connecting to {}'.format(TVGuideScraper.TV_GUIDE_URL))
        r = requests.get(TVGuideScraper.TV_GUIDE_URL.format(day))
        r.raise_for_status()
        html = BeautifulSoup(r.text, 'html.parser')
        movies = []
        for channel in html.select('.bloc_cnt'):
            if len(channel.select('em')):
                for movietag in channel.find_all(TVGuideScraper._tag_is_film):
                    movie = Movie()
                    movie.title = \
                        movietag.select('.texte_titre a')[0]['title']
                    movie.genre = movietag.select('.texte_cat a')[0].string
                    movie.channel = channel.select('em')[0]\
                        .string.replace('Programme ', '')
                    movie.day = day.title()

                    logging.info('Found movie: {0!r}'.format(movie))

                    movies.append(movie)

        return movies

    @staticmethod
    def _tag_is_film(tag):
        """
        Helper to check if a tag is a film
        """
        return (
            tag.has_attr('data-nature')
            and
            tag['data-nature'] == 'films-telefilms'
        )


class FreeboxMoviePlanner:
    def __init__(self, movies):
        logging.info('Opening config file: config.json')
        with open('config.json') as config_file:
            self.config = json.load(config_file)
        tmdbsimple.API_KEY = self.config['tmdb-api']
        self.movies = movies

        logging.info('Opening Freebox session')
        self.freebox = Fbx()
        self.freebox.mksession(
            app_id='FreeboxMoviePlanner',
            token=self.config['freebox-session-token']
        )
        self.getListOfAvailableChannels()
        self.excludeUnavailableChannels()
        self.findMoviesOnTMDB()
        self.excludeBadRatings()

    def __repr__(self):
        result = 'FreeboxMoviePlanner <Movies:\n'
        for movie in self.movies:
            result += '  {!r}\n'.format(movie)
        result += '>'
        return result

    def getListOfAvailableChannels(self):
        logging.info('Getting the list of available channels')
        self.channels = {}
        for channel in self.freebox.Tv.Getting_the_list_of_channels().values():
            if channel['available']:
                self.channels[channel['name']] = channel['uuid']
            else:
                logging.info("Dropping '{}'".format(channel['name']))
        logging.info('Got the following channels: {}'.format(self.channels))

    def printAllMovies(self):
        for movie in self.movies:
            print('{!r}'.format(movie))

    def askForUserSelection(self):
        for movie in self.movies:
            print(movie)
            reply = input("Interested? (y/N)")
            if reply.upper() == "Y":
                movie.user_selected = True
            print()

    def findMoviesOnTMDB(self):
        for movie in self.movies:
            tmdb_details = self._findMovieOnTMDB(movie.title)
            if tmdb_details:
                movie.rating = tmdb_details['vote_average']
                movie.original_title = \
                    tmdb_details['original_title']
                movie.overview = '\n    '.join(textwrap.wrap(
                    tmdb_details['overview'], 75)
                )
                movie.tmdb_id = tmdb_details['id']
                movie.good = \
                    float(movie.rating) >= self.config['minimum-rating']
                movie.url = 'https://www.themoviedb.org/movie/{}?language={}' \
                    .format(movie.tmdb_id, self.config['tmdb-language'])

    def _findMovieOnTMDB(self, movie):
        logging.info("Searching for '{}' on TMDB".format(movie))
        search = tmdbsimple.Search()
        search.movie(query=movie, language=self.config['tmdb-language'])
        if len(search.results):
            logging.info("Found '{}'".format(
                search.results[0]['title']
            ))
            return search.results[0]
        else:
            logging.warning("'{}' not found on TMDB!".format(movie))
            return []

    def excludeBadRatings(self):
        logging.info('Dropping novies with bad ratings: {}'.format(
            [m for m in self.movies if not m.good]
        ))
        self.movies = [m for m in self.movies if m.good]
        logging.info('Kept {}'.format(self.movies))

    def excludeUnavailableChannels(self):
        logging.info('Dropping movies on unavailable channels: {}'.format(
            [m for m in self.movies if m.channel not in self.channels]
        ))
        self.movies = [m for m in self.movies if m.channel in self.channels]
        logging.info('Kept {}'.format(self.movies))

    def excludeNotSelected(self):
        self.movies = [m for m in self.movies if m.user_selected]


if __name__ == '__main__':
    logging.basicConfig(
        level=logging.INFO,
        format=' %(asctime)s - %(levelname)s - %(message)s'
    )
    fmp = FreeboxMoviePlanner(TVGuideScraper.findAllMovies())
    fmp.askForUserSelection()
    fmp.excludeNotSelected()
    print('\n====== Selected ======\n')
    fmp.printAllMovies()