# -*- coding: utf-8 -*-
from __future__ import division, absolute_import, print_function, unicode_literals

##################################################################################################

from helper import values
from helper import LazyLogger

from . import artwork
from . import queries as QU

##################################################################################################

LOG = LazyLogger(__name__)

##################################################################################################


class Kodi(object):

    def __init__(self):
        self.artwork = artwork.Artwork(self.cursor)

        try:
            self.cursor.execute(QU.get_all_people)
        except Exception:
            # Failed to load the table. Has the table been created?
            self._people_cache = {}
        else:
            self._people_cache = dict(self.cursor.fetchall())

    def create_entry_path(self):
        self.cursor.execute(QU.create_path)

        return self.cursor.fetchone()[0] + 1

    def create_entry_file(self):
        self.cursor.execute(QU.create_file)

        return self.cursor.fetchone()[0] + 1

    def create_entry_genre(self):
        self.cursor.execute(QU.create_genre)

        return self.cursor.fetchone()[0] + 1

    def create_entry_studio(self):
        self.cursor.execute(QU.create_studio)

        return self.cursor.fetchone()[0] + 1

    def create_entry_bookmark(self):
        self.cursor.execute(QU.create_bookmark)

        return self.cursor.fetchone()[0] + 1

    def create_entry_tag(self):
        self.cursor.execute(QU.create_tag)

        return self.cursor.fetchone()[0] + 1

    def add_path(self, *args):
        path_id = self.get_path(*args)

        if path_id is None:

            path_id = self.create_entry_path()
            self.cursor.execute(QU.add_path, (path_id,) + args)

        return path_id

    def get_path(self, *args):

        try:
            self.cursor.execute(QU.get_path, args)

            return self.cursor.fetchone()[0]
        except TypeError:
            return

    def update_path(self, *args):
        self.cursor.execute(QU.update_path, args)

    def remove_path(self, *args):
        self.cursor.execute(QU.delete_path, args)

    def add_file(self, filename, path_id):

        try:
            self.cursor.execute(QU.get_file, (filename, path_id,))
            file_id = self.cursor.fetchone()[0]
        except TypeError:

            file_id = self.create_entry_file()
            self.cursor.execute(QU.add_file, (file_id, path_id, filename))

        return file_id

    def update_file(self, *args):
        self.cursor.execute(QU.update_file, args)

    def remove_file(self, path, *args):
        path_id = self.get_path(path)

        if path_id is not None:
            self.cursor.execute(QU.delete_file_by_path, (path_id,) + args)

    def get_filename(self, *args):

        try:
            self.cursor.execute(QU.get_filename, args)

            return self.cursor.fetchone()[0]
        except TypeError:
            return ""

    def add_people(self, people, *args):

        def add_thumbnail(person_id, person, person_type):

            if person['imageurl']:

                art = person_type.lower()
                if "writing" in art:
                    art = "writer"

                self.artwork.update(person['imageurl'], person_id, art, "thumb")

        cast_order = 1

        bulk_updates = {}

        for person in people:
            person_id = self.get_person(person['Name'])

            if person['Type'] == 'Actor':
                sql = QU.update_actor
                role = person.get('Role')
                bulk_updates.setdefault(sql, []).append((person_id,) + args + (role, cast_order,))
                cast_order += 1

            elif person['Type'] == 'Director':
                sql = QU.update_link.replace("{LinkType}", 'director_link')
                bulk_updates.setdefault(sql, []).append((person_id,) + args)

            elif person['Type'] == 'Writer':
                sql = QU.update_link.replace("{LinkType}", 'writer_link')
                bulk_updates.setdefault(sql, []).append((person_id,) + args)

            elif person['Type'] == 'Artist':
                sql = QU.update_link.replace("{LinkType}", 'actor_link')
                bulk_updates.setdefault(sql, []).append((person_id,) + args)

            add_thumbnail(person_id, person, person['Type'])

        for sql, parameters in bulk_updates.items():
            self.cursor.executemany(sql, parameters)

    def add_person(self, *args):
        self.cursor.execute(QU.add_person, args)
        return self.cursor.lastrowid

    def _get_person(self, name):
        '''Retrieve person from the database, or add them if they don't exist
        '''
        resp = self.cursor.execute(QU.get_person, (name,)).fetchone()
        if resp is not None:
            return resp[0]
        else:
            return self.add_person(name)

    def get_person(self, name):
        '''Retrieve person from cache, else forward to db query
        '''
        if name in self._people_cache:
            return self._people_cache[name]
        else:
            person_id = self._get_person(name)
            self._people_cache[name] = person_id
            return person_id

    def add_genres(self, genres, *args):

        ''' Delete current genres first for clean slate.
        '''
        self.cursor.execute(QU.delete_genres, args)

        for genre in genres:
            self.cursor.execute(QU.update_genres, (self.get_genre(genre),) + args)

    def add_genre(self, *args):

        genre_id = self.create_entry_genre()
        self.cursor.execute(QU.add_genre, (genre_id,) + args)

        return genre_id

    def get_genre(self, *args):

        try:
            self.cursor.execute(QU.get_genre, args)

            return self.cursor.fetchone()[0]
        except TypeError:
            return self.add_genre(*args)

    def add_studios(self, studios, *args):

        for studio in studios:

            studio_id = self.get_studio(studio)
            self.cursor.execute(QU.update_studios, (studio_id,) + args)

    def add_studio(self, *args):

        studio_id = self.create_entry_studio()
        self.cursor.execute(QU.add_studio, (studio_id,) + args)

        return studio_id

    def get_studio(self, *args):

        try:
            self.cursor.execute(QU.get_studio, args)

            return self.cursor.fetchone()[0]
        except TypeError:
            return self.add_studio(*args)

    def add_streams(self, file_id, streams, runtime):

        ''' First remove any existing entries
            Then re-add video, audio and subtitles.
        '''
        self.cursor.execute(QU.delete_streams, (file_id,))

        if streams:
            for track in streams['video']:

                track['FileId'] = file_id
                track['Runtime'] = runtime
                self.add_stream_video(*values(track, QU.add_stream_video_obj))

            for track in streams['audio']:

                track['FileId'] = file_id
                self.add_stream_audio(*values(track, QU.add_stream_audio_obj))

            for track in streams['subtitle']:
                self.add_stream_sub(*values({'language': track, 'FileId': file_id}, QU.add_stream_sub_obj))

    def add_stream_video(self, *args):
        self.cursor.execute(QU.add_stream_video, args)

    def add_stream_audio(self, *args):
        self.cursor.execute(QU.add_stream_audio, args)

    def add_stream_sub(self, *args):
        self.cursor.execute(QU.add_stream_sub, args)

    def add_playstate(self, file_id, playcount, date_played, resume, *args):

        ''' Delete the existing resume point.
            Set the watched count.
        '''
        self.cursor.execute(QU.delete_bookmark, (file_id,))
        self.set_playcount(playcount, date_played, file_id)

        if resume:

            bookmark_id = self.create_entry_bookmark()
            self.cursor.execute(QU.add_bookmark, (bookmark_id, file_id, resume,) + args)

    def set_playcount(self, *args):
        self.cursor.execute(QU.update_playcount, args)

    def add_tags(self, tags, *args):
        self.cursor.execute(QU.delete_tags, args)

        for tag in tags:
            self.get_tag(tag, *args)

    def add_tag(self, *args):

        tag_id = self.create_entry_tag()
        self.cursor.execute(QU.add_tag, (tag_id,) + args)

        return tag_id

    def get_tag(self, tag, *args):

        try:
            self.cursor.execute(QU.get_tag, (tag,))
            tag_id = self.cursor.fetchone()[0]
        except TypeError:
            tag_id = self.add_tag(tag)

        self.cursor.execute(QU.update_tag, (tag_id,) + args)

        return tag_id

    def remove_tag(self, tag, *args):

        try:
            self.cursor.execute(QU.get_tag, (tag,))
            tag_id = self.cursor.fetchone()[0]
        except TypeError:
            return

        self.cursor.execute(QU.delete_tag, (tag_id,) + args)
