#!/usr/bin/env python3
import time

import click
import schedule

from media.radarr import Radarr
from media.sonarr import Sonarr
from media.trakt import Trakt
from misc import helpers
from misc.config import cfg
from misc.log import logger
from notifications import Notifications

############################################################
# INIT
############################################################

# Logging
log = logger.get_logger('traktarr')

# Notifications
notify = Notifications()


# Click
@click.group(help='Add new shows & movies to Sonarr/Radarr from Trakt lists.')
@click.version_option('1.1.1', prog_name='traktarr')
def app():
    pass


############################################################
# SHOWS
############################################################

@app.command(help='Add new shows to Sonarr.')
@click.option('--list-type', '-t', type=click.Choice(['anticipated', 'trending', 'popular']),
              help='Trakt list to process.', required=True)
@click.option('--add-limit', '-l', default=0, help='Limit number of shows added to Sonarr.', show_default=True)
@click.option('--add-delay', '-d', default=2.5, help='Seconds between each add request to Sonarr.', show_default=True)
@click.option('--genre', '-g', default=None, help='Only add shows from this genre to Sonarr.')
@click.option('--no-search', is_flag=True, help='Disable search when adding shows to Sonarr.')
@click.option('--notifications', is_flag=True, help='Send notifications.')
def shows(list_type, add_limit=0, add_delay=2.5, genre=None, no_search=False, notifications=False):
    added_shows = 0

    # validate trakt api_key
    trakt = Trakt(cfg.trakt.api_key)
    if not trakt.validate_api_key():
        log.error("Aborting due to failure to validate Trakt API Key")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'shows', 'list_type': list_type,
                             'reason': 'Failure to validate Trakt API Key'})
        return None
    else:
        log.info("Validated Trakt API Key")

    # validate sonarr url & api_key
    sonarr = Sonarr(cfg.sonarr.url, cfg.sonarr.api_key)
    if not sonarr.validate_api_key():
        log.error("Aborting due to failure to validate Sonarr URL / API Key")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'shows', 'list_type': list_type,
                             'reason': 'Failure to validate Sonarr URL / API Key'})
        return None
    else:
        log.info("Validated Sonarr URL & API Key")

    # retrieve profile id for requested profile
    profile_id = sonarr.get_profile_id(cfg.sonarr.profile)
    if not profile_id or not profile_id > 0:
        log.error("Aborting due to failure to retrieve Profile ID for: %s", cfg.sonarr.profile)
        if notifications:
            callback_notify({'event': 'abort', 'type': 'shows', 'list_type': list_type,
                             'reason': 'Failure to retrieve Sonarr Profile ID of %s' % cfg.sonarr.profile})
        return None
    else:
        log.info("Retrieved Profile ID for %s: %d", cfg.sonarr.profile, profile_id)

    # retrieve profile tags
    profile_tags = sonarr.get_tags()
    if profile_tags is None:
        log.error("Aborting due to failure to retrieve Tag ID's")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'shows', 'list_type': list_type,
                             'reason': "Failure to retrieve Sonarr Tag ID's"})
        return None
    else:
        log.info("Retrieved %d Tag ID's", len(profile_tags))

    # get sonarr series list
    sonarr_series_list = sonarr.get_series()
    if not sonarr_series_list:
        log.error("Aborting due to failure to retrieve Sonarr shows list")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'shows', 'list_type': list_type,
                             'reason': 'Failure to retrieve Sonarr shows list'})
        return None
    else:
        log.info("Retrieved Sonarr shows list, shows found: %d", len(sonarr_series_list))

    # get trakt series list
    trakt_series_list = None
    if list_type.lower() == 'anticipated':
        trakt_series_list = trakt.get_anticipated_shows()
    elif list_type.lower() == 'trending':
        trakt_series_list = trakt.get_trending_shows()
    elif list_type.lower() == 'popular':
        trakt_series_list = trakt.get_popular_shows()
    else:
        log.error("Aborting due to unknown Trakt list type")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'shows', 'list_type': list_type,
                             'reason': 'Failure to determine Trakt list type'})
        return None
    if not trakt_series_list:
        log.error("Aborting due to failure to retrieve Trakt %s shows list", list_type)
        if notifications:
            callback_notify(
                {'event': 'abort', 'type': 'shows', 'list_type': list_type,
                 'reason': 'Failure to retrieve Trakt %s shows list' % list_type})
        return None
    else:
        log.info("Retrieved Trakt %s shows list, shows found: %d", list_type, len(trakt_series_list))

    # build filtered series list without series that exist in sonarr
    processed_series_list = helpers.sonarr_remove_existing_series(sonarr_series_list, trakt_series_list)
    if processed_series_list is None:
        log.error("Aborting due to failure to remove existing Sonarr shows from retrieved Trakt shows list")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'shows', 'list_type': list_type,
                             'reason': 'Failure to remove existing Sonarr shows from retrieved Trakt %s shows list' % list_type
                             })
        return None
    else:
        log.info("Removed existing Sonarr shows from Trakt shows list, shows left to process: %d",
                 len(processed_series_list))

    # sort filtered series list by highest votes
    sorted_series_list = sorted(processed_series_list, key=lambda k: k['show']['votes'], reverse=True)
    log.info("Sorted shows list to process by highest votes")

    # loop series_list
    log.info("Processing list now...")
    for series in sorted_series_list:
        try:
            # check if genre matches genre supplied via argument
            if genre and genre.lower() not in series['show']['genres']:
                log.debug("Skipping: %s because it was not from %s genre", series['show']['title'], genre.lower())
                continue

            # check if series passes out blacklist criteria inspection
            if not helpers.trakt_is_show_blacklisted(series, cfg.filters.shows):
                log.info("Adding: %s | Genres: %s | Network: %s | Country: %s", series['show']['title'],
                         ', '.join(series['show']['genres']), series['show']['network'],
                         series['show']['country'].upper())

                # determine which tags to use when adding this series
                use_tags = helpers.sonarr_series_tag_id_from_network(profile_tags, cfg.sonarr.tags,
                                                                     series['show']['network'])
                # add show to sonarr
                if sonarr.add_series(series['show']['ids']['tvdb'], series['show']['title'],
                                     series['show']['ids']['slug'], profile_id, cfg.sonarr.root_folder, use_tags,
                                     not no_search):
                    log.info("ADDED %s (%d) with tags: %s", series['show']['title'], series['show']['year'],
                             helpers.sonarr_readable_tag_from_ids(profile_tags, use_tags))
                    if notifications:
                        callback_notify({'event': 'add_show', 'list_type': list_type, 'show': series['show']})
                    added_shows += 1
                else:
                    log.error("FAILED adding %s (%d) with tags: %s", series['show']['title'], series['show']['year'],
                              helpers.sonarr_readable_tag_from_ids(profile_tags, use_tags))

                # stop adding shows, if added_shows >= add_limit
                if add_limit and added_shows >= add_limit:
                    break

                # sleep before adding any more
                time.sleep(add_delay)

        except Exception:
            log.exception("Exception while processing show %s: ", series['show']['title'])

    log.info("Added %d new show(s) to Sonarr", added_shows)

    # send notification
    if notifications:
        notify.send(message="Added %d shows from Trakt's %s list" % (added_shows, list_type))

    return added_shows


############################################################
# MOVIES
############################################################

@app.command(help='Add new movies to Radarr.')
@click.option('--list-type', '-t', type=click.Choice(['anticipated', 'trending', 'popular', 'boxoffice']),
              help='Trakt list to process.', required=True)
@click.option('--add-limit', '-l', default=0, help='Limit number of movies added to Radarr.', show_default=True)
@click.option('--add-delay', '-d', default=2.5, help='Seconds between each add request to Radarr.', show_default=True)
@click.option('--genre', '-g', default=None, help='Only add movies from this genre to Radarr.')
@click.option('--no-search', is_flag=True, help='Disable search when adding movies to Radarr.')
@click.option('--notifications', is_flag=True, help='Send notifications.')
def movies(list_type, add_limit=0, add_delay=2.5, genre=None, no_search=False, notifications=False):
    added_movies = 0

    # validate trakt api_key
    trakt = Trakt(cfg.trakt.api_key)
    if not trakt.validate_api_key():
        log.error("Aborting due to failure to validate Trakt API Key")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'movies', 'list_type': list_type,
                             'reason': 'Failure to validate Trakt API Key'})
        return None
    else:
        log.info("Validated Trakt API Key")

    # validate radarr url & api_key
    radarr = Radarr(cfg.radarr.url, cfg.radarr.api_key)
    if not radarr.validate_api_key():
        log.error("Aborting due to failure to validate Radarr URL / API Key")
        if notifications:
            callback_notify(
                {'event': 'abort', 'type': 'movies', 'list_type': list_type,
                 'reason': 'Failure to validate Radarr URL / API Key'})
        return None
    else:
        log.info("Validated Radarr URL & API Key")

    # retrieve profile id for requested profile
    profile_id = radarr.get_profile_id(cfg.radarr.profile)
    if not profile_id or not profile_id > 0:
        log.error("Aborting due to failure to retrieve Profile ID for: %s", cfg.radarr.profile)
        if notifications:
            callback_notify({'event': 'abort', 'type': 'movies', 'list_type': list_type,
                             'reason': 'Failure to retrieve Radarr Profile ID of %s' % cfg.radarr.profile})
        return None
    else:
        log.info("Retrieved Profile ID for %s: %d", cfg.radarr.profile, profile_id)

    # get radarr movies list
    radarr_movie_list = radarr.get_movies()
    if not radarr_movie_list:
        log.error("Aborting due to failure to retrieve Radarr movies list")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'movies', 'list_type': list_type,
                             'reason': 'Failure to retrieve Radarr movies list'})
        return None
    else:
        log.info("Retrieved Radarr movies list, movies found: %d", len(radarr_movie_list))

    # get trakt movies list
    trakt_movies_list = None
    if list_type.lower() == 'anticipated':
        trakt_movies_list = trakt.get_anticipated_movies()
    elif list_type.lower() == 'trending':
        trakt_movies_list = trakt.get_trending_movies()
    elif list_type.lower() == 'popular':
        trakt_movies_list = trakt.get_popular_movies()
    elif list_type.lower() == 'boxoffice':
        trakt_movies_list = trakt.get_boxoffice_movies()
    else:
        log.error("Aborting due to unknown Trakt list type")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'movies', 'list_type': list_type,
                             'reason': 'Failure to determine Trakt list type'})
        return None
    if not trakt_movies_list:
        log.error("Aborting due to failure to retrieve Trakt %s movies list", list_type)
        if notifications:
            callback_notify(
                {'event': 'abort', 'type': 'movies', 'list_type': list_type,
                 'reason': 'Failure to retrieve Trakt %s movies list' % list_type})
        return None
    else:
        log.info("Retrieved Trakt %s movies list, movies found: %d", list_type, len(trakt_movies_list))

    # build filtered movie list without movies that exist in radarr
    processed_movies_list = helpers.radarr_remove_existing_movies(radarr_movie_list, trakt_movies_list)
    if processed_movies_list is None:
        log.error("Aborting due to failure to remove existing Radarr movies from retrieved Trakt movies list")
        if notifications:
            callback_notify({'event': 'abort', 'type': 'movies', 'list_type': list_type,
                             'reason': 'Failure to remove existing Radarr movies from retrieved '
                                       'Trakt %s movies list' % list_type})
        return None
    else:
        log.info("Removed existing Radarr movies from Trakt movies list, movies left to process: %d",
                 len(processed_movies_list))

    # sort filtered movie list by highest votes
    sorted_movies_list = sorted(processed_movies_list, key=lambda k: k['movie']['votes'], reverse=True)
    log.info("Sorted movie list to process by highest votes")

    # loop movies
    log.info("Processing list now...")
    for movie in sorted_movies_list:
        try:
            # check if genre matches genre supplied via argument
            if genre and genre.lower() not in movie['movie']['genres']:
                log.debug("Skipping: %s because it was not from %s genre", movie['movie']['title'], genre.lower())
                continue

            # check if movie passes out blacklist criteria inspection
            if not helpers.trakt_is_movie_blacklisted(movie, cfg.filters.movies):
                log.info("Adding: %s (%d) | Genres: %s | Country: %s", movie['movie']['title'], movie['movie']['year'],
                         ', '.join(movie['movie']['genres']), movie['movie']['country'].upper())
                # add movie to radarr
                if radarr.add_movie(movie['movie']['ids']['tmdb'], movie['movie']['title'], movie['movie']['year'],
                                    movie['movie']['ids']['slug'], profile_id, cfg.radarr.root_folder, not no_search):
                    log.info("ADDED %s (%d)", movie['movie']['title'], movie['movie']['year'])
                    if notifications:
                        callback_notify({'event': 'add_movie', 'list_type': list_type, 'movie': movie['movie']})
                    added_movies += 1
                else:
                    log.error("FAILED adding %s (%d)", movie['movie']['title'], movie['movie']['year'])

                # stop adding movies, if added_movies >= add_limit
                if add_limit and added_movies >= add_limit:
                    break

                # sleep before adding any more
                time.sleep(add_delay)

        except Exception:
            log.exception("Exception while processing movie %s: ", movie['movie']['title'])

    log.info("Added %d new movie(s) to Radarr", added_movies)

    # send notification
    if notifications:
        notify.send(message="Added %d movies from Trakt's %s list" % (added_movies, list_type))

    return added_movies


############################################################
# AUTOMATIC
############################################################

def callback_notify(data):
    log.debug("Received callback data: %s", data)

    # handle event
    if data['event'] == 'add_movie':
        if cfg.notifications.verbose:
            notify.send(
                message="Added %s movie: %s (%d)" % (data['list_type'], data['movie']['title'], data['movie']['year']))
        return
    elif data['event'] == 'add_show':
        if cfg.notifications.verbose:
            notify.send(
                message="Added %s show: %s (%d)" % (data['list_type'], data['show']['title'], data['show']['year']))
        return
    elif data['event'] == 'abort':
        notify.send(message="Aborted adding Trakt %s %s due to: %s" % (data['list_type'], data['type'], data['reason']))
        return
    else:
        log.error("Unexpected callback: %s", data)
    return


def automatic_shows(add_delay=2.5, no_search=False, notifications=False):
    total_shows_added = 0
    try:
        log.info("Started")

        for list_type, type_amount in cfg.automatic.shows.items():
            if list_type.lower() == 'interval':
                continue
            elif type_amount <= 0:
                log.info("Skipped Trakt's %s shows list", list_type)
                continue
            else:
                log.info("Adding %d shows from Trakt's %s list", type_amount, list_type)

            # run shows
            added_shows = shows.callback(list_type=list_type, add_limit=type_amount,
                                         add_delay=add_delay, no_search=no_search,
                                         notifications=notifications)
            if added_shows is None:
                log.error("Failed adding shows from Trakt's %s list", list_type)
                time.sleep(10)
                continue
            total_shows_added += added_shows

            # sleep
            time.sleep(10)

        log.info("Finished, added %d shows total to Sonarr!", total_shows_added)
        # send notification
        if notifications:
            notify.send(message="Added %d shows total to Sonarr!" % total_shows_added)

    except Exception:
        log.exception("Exception while automatically adding shows: ")
    return


def automatic_movies(add_delay=2.5, no_search=False, notifications=False):
    total_movies_added = 0
    try:
        log.info("Started")

        for list_type, type_amount in cfg.automatic.movies.items():
            if list_type.lower() == 'interval':
                continue
            elif type_amount <= 0:
                log.info("Skipped Trakt's %s movies list", list_type)
                continue
            else:
                log.info("Adding %d movies from Trakt's %s list", type_amount, list_type)

            # run movies
            added_movies = movies.callback(list_type=list_type, add_limit=type_amount,
                                           add_delay=add_delay, no_search=no_search,
                                           notifications=notifications)
            if added_movies is None:
                log.error("Failed adding movies from Trakt's %s list", list_type)
                time.sleep(10)
                continue
            total_movies_added += added_movies

            # sleep
            time.sleep(10)

        log.info("Finished, added %d movies total to Radarr!", total_movies_added)
        # send notification
        if notifications:
            notify.send(message="Added %d movies total to Radarr!" % total_movies_added)

    except Exception:
        log.exception("Exception while automatically adding movies: ")
    return


@app.command(help='Run in automatic mode.')
@click.option('--add-delay', '-d', default=2.5, help='Seconds between each add request to Sonarr / Radarr.',
              show_default=True)
@click.option('--no-search', is_flag=True, help='Disable search when adding to Sonarr / Radarr.')
@click.option('--no-notifications', is_flag=True, help="Disable notifications.")
def run(add_delay=2.5, no_search=False, no_notifications=False):
    # add tasks to repeat
    schedule.every(cfg.automatic.movies.interval).hours.do(automatic_movies, add_delay, no_search,
                                                           not no_notifications)
    schedule.every(cfg.automatic.shows.interval).hours.do(automatic_shows, add_delay, no_search, not no_notifications)

    # run schedule
    log.info("Automatic mode is now running...")
    while True:
        try:
            schedule.run_pending()
        except Exception:
            log.exception("Unhandled exception occurred while processing scheduled tasks: ")
        else:
            time.sleep(1)


############################################################
# MISC
############################################################

def init_notifications():
    try:
        for notification_name, notification_config in cfg.notifications.items():
            if notification_name.lower() == 'verbose':
                continue

            notify.load(**notification_config)
    except Exception:
        log.exception("Exception initializing notification agents: ")
    return


############################################################
# MAIN
############################################################

if __name__ == "__main__":
    init_notifications()
    app()