from couchpotato import get_session
from couchpotato.api import addApiView
from couchpotato.core.event import fireEvent, fireEventAsync, addEvent
from couchpotato.core.helpers.request import getParams, jsonified
from couchpotato.core.logger import CPLog
from couchpotato.core.plugins.base import Plugin
from couchpotato.core.settings.model import Movie
from couchpotato.environment import Env
from sqlalchemy.sql.expression import or_
from urllib import urlencode

log = CPLog(__name__)


class MoviePlugin(Plugin):

    default_dict = {
        'profile': {'types': {'quality': {}}},
        'releases': {'status': {}, 'quality': {}, 'files':{}, 'info': {}},
        'library': {'titles': {}, 'files':{}},
        'files': {},
        'status': {}
    }

    def __init__(self):
        addApiView('movie.search', self.search)
        addApiView('movie.list', self.listView)
        addApiView('movie.refresh', self.refresh)

        addApiView('movie.add', self.add)
        addApiView('movie.edit', self.edit)
        addApiView('movie.delete', self.delete)

        addEvent('movie.get', self.get)
        addEvent('movie.list', self.list)
        addEvent('movie.restatus', self.restatus)

    def get(self, movie_id):

        db = get_session()
        m = db.query(Movie).filter_by(movie_id = movie_id).first()

        return m.to_dict(self.default_dict)

    def list(self, status = ['active']):

        db = get_session()

        # Make a list from string
        if not isinstance(status, (list, tuple)):
            status = [status]

        results = db.query(Movie).filter(or_(*[Movie.status.has(identifier = s) for s in status])).all()

        movies = []
        for movie in results:
            temp = movie.to_dict(self.default_dict)
            movies.append(temp)

        return movies

    def listView(self):

        params = getParams()
        status = params.get('status', ['active'])
        movies = self.list(status)

        return jsonified({
            'success': True,
            'empty': len(movies) == 0,
            'movies': movies,
        })

    def refresh(self):

        params = getParams()
        db = get_session()

        movie = db.query(Movie).filter_by(id = params.get('id')).first()

        # Get current selected title
        default_title = ''
        for title in movie.library.titles:
            if title.default: default_title = title.title

        if movie:
            #addEvent('library.update.after', )
            fireEventAsync('library.update', identifier = movie.library.identifier, default_title = default_title, force = True)
            fireEventAsync('searcher.single', movie.to_dict(self.default_dict))

        return jsonified({
            'success': True,
        })

    def search(self):

        params = getParams()
        cache_key = '%s/%s' % (__name__, urlencode(params))
        movies = Env.get('cache').get(cache_key)

        if not movies:
            movies = fireEvent('movie.search', q = params.get('q'), merge = True)
            Env.get('cache').set(cache_key, movies)

        return jsonified({
            'success': True,
            'empty': len(movies) == 0,
            'movies': movies,
        })

    def add(self):

        params = getParams()
        db = get_session();

        library = fireEvent('library.add', single = True, attrs = params)

        # Status
        status_active = fireEvent('status.add', 'active', single = True)
        status_snatched = fireEvent('status.add', 'snatched', single = True)

        m = db.query(Movie).filter_by(library_id = library.get('id')).first()
        if not m:
            m = Movie(
                library_id = library.get('id'),
                profile_id = params.get('profile_id')
            )
            db.add(m)
        else:
            # Clean snatched history
            for release in m.releases:
                if release.status_id == status_snatched.get('id'):
                    release.delete()

            m.profile_id = params.get('profile_id')

        m.status_id = status_active.get('id')
        db.commit()

        movie_dict = m.to_dict(self.default_dict)

        fireEventAsync('searcher.single', movie_dict)

        return jsonified({
            'success': True,
            'added': True,
            'movie': movie_dict,
        })

    def edit(self):

        params = getParams()
        db = get_session()

        m = db.query(Movie).filter_by(id = params.get('id')).first()
        m.profile_id = params.get('profile_id')

        # Default title
        for title in m.library.titles:
            title.default = params.get('default_title').lower() == title.title.lower()

        db.commit()

        fireEvent('movie.restatus', m.id)

        movie_dict = m.to_dict(self.default_dict)
        fireEventAsync('searcher.single', movie_dict)

        return jsonified({
            'success': True,
        })

    def delete(self):

        params = getParams()
        db = get_session()

        status = fireEvent('status.add', 'deleted', single = True)

        movie = db.query(Movie).filter_by(id = params.get('id')).first()
        movie.status_id = status.get('id')
        db.commit()

        return jsonified({
            'success': True,
        })

    def restatus(self, movie_id):

        active_status = fireEvent('status.get', 'active', single = True)
        done_status = fireEvent('status.get', 'done', single = True)

        db = get_session()

        m = db.query(Movie).filter_by(id = movie_id).first()

        if not m.profile:
            return

        log.debug('Changing status for %s' % (m.library.titles[0].title))

        move_to_wanted = True

        for t in m.profile.types:
            for release in m.releases:
                if t.quality.identifier is release.quality.identifier and (release.status_id is done_status.get('id') and t.finish):
                    move_to_wanted = False

        m.status_id = active_status.get('id') if move_to_wanted else done_status.get('id')

        db.commit()