"""
The Movie Database
"""

import re
from django.conf import settings
from catalog.common import *
from .douban import *
from catalog.movie.models import *
from catalog.tv.models import *
import logging


_logger = logging.getLogger(__name__)


def search_tmdb_by_imdb_id(imdb_id):
    tmdb_api_url = f"https://api.themoviedb.org/3/find/{imdb_id}?api_key={settings.TMDB_API3_KEY}&language=zh-CN&external_source=imdb_id"
    res_data = BasicDownloader(tmdb_api_url).download().json()
    return res_data


def query_tmdb_tv_episode(tv, season, episode):
    tmdb_api_url = f"https://api.themoviedb.org/3/tv/{tv}/season/{season}/episode/{episode}?api_key={settings.TMDB_API3_KEY}&language=zh-CN&append_to_response=external_ids"
    res_data = BasicDownloader(tmdb_api_url).download().json()
    return res_data


def _copy_dict(s, key_map):
    d = {}
    for src, dst in key_map.items():
        d[dst if dst else src] = s.get(src)
    return d


@SiteManager.register
class TMDB_Movie(AbstractSite):
    SITE_NAME = SiteName.TMDB
    ID_TYPE = IdType.TMDB_Movie
    URL_PATTERNS = [r"\w+://www.themoviedb.org/movie/(\d+)"]
    WIKI_PROPERTY_ID = "?"
    DEFAULT_MODEL = Movie

    @classmethod
    def id_to_url(self, id_value):
        return f"https://www.themoviedb.org/movie/{id_value}"

    def scrape(self):
        is_series = False
        if is_series:
            api_url = f"https://api.themoviedb.org/3/tv/{self.id_value}?api_key={settings.TMDB_API3_KEY}&language=zh-CN&append_to_response=external_ids,credits"
        else:
            api_url = f"https://api.themoviedb.org/3/movie/{self.id_value}?api_key={settings.TMDB_API3_KEY}&language=zh-CN&append_to_response=external_ids,credits"

        res_data = BasicDownloader(api_url).download().json()

        if is_series:
            title = res_data["name"]
            orig_title = res_data["original_name"]
            year = (
                int(res_data["first_air_date"].split("-")[0])
                if res_data["first_air_date"]
                else None
            )
            imdb_code = res_data["external_ids"]["imdb_id"]
            showtime = (
                [{"time": res_data["first_air_date"], "region": "首播日期"}]
                if res_data["first_air_date"]
                else None
            )
            duration = None
        else:
            title = res_data["title"]
            orig_title = res_data["original_title"]
            year = (
                int(res_data["release_date"].split("-")[0])
                if res_data["release_date"]
                else None
            )
            showtime = (
                [{"time": res_data["release_date"], "region": "发布日期"}]
                if res_data["release_date"]
                else None
            )
            imdb_code = res_data["imdb_id"]
            # in minutes
            duration = res_data["runtime"] if res_data["runtime"] else None

        genre = [x["name"] for x in res_data["genres"]]
        language = list(map(lambda x: x["name"], res_data["spoken_languages"]))
        brief = res_data["overview"]

        if is_series:
            director = list(map(lambda x: x["name"], res_data["created_by"]))
        else:
            director = list(
                map(
                    lambda x: x["name"],
                    filter(
                        lambda c: c["job"] == "Director", res_data["credits"]["crew"]
                    ),
                )
            )
        playwright = list(
            map(
                lambda x: x["name"],
                filter(lambda c: c["job"] == "Screenplay", res_data["credits"]["crew"]),
            )
        )
        actor = list(map(lambda x: x["name"], res_data["credits"]["cast"]))
        area = []

        other_info = {}
        # other_info['TMDB评分'] = res_data['vote_average']
        # other_info['分级'] = res_data['contentRating']
        # other_info['Metacritic评分'] = res_data['metacriticRating']
        # other_info['奖项'] = res_data['awards']
        # other_info['TMDB_ID'] = id
        if is_series:
            other_info["Seasons"] = res_data["number_of_seasons"]
            other_info["Episodes"] = res_data["number_of_episodes"]

        # TODO: use GET /configuration to get base url
        img_url = (
            ("https://image.tmdb.org/t/p/original/" + res_data["poster_path"])
            if res_data["poster_path"] is not None
            else None
        )

        pd = ResourceContent(
            metadata={
                "title": title,
                "orig_title": orig_title,
                "other_title": [],
                "imdb_code": imdb_code,
                "director": director,
                "playwright": playwright,
                "actor": actor,
                "genre": genre,
                "showtime": showtime,
                "site": None,
                "area": area,
                "language": language,
                "year": year,
                "duration": duration,
                "season": None,
                "episodes": None,
                "single_episode_length": None,
                "brief": brief,
                "cover_image_url": img_url,
            }
        )
        if imdb_code:
            pd.lookup_ids[IdType.IMDB] = imdb_code
        if pd.metadata["cover_image_url"]:
            imgdl = BasicImageDownloader(pd.metadata["cover_image_url"], self.url)
            try:
                pd.cover_image = imgdl.download().content
                pd.cover_image_extention = imgdl.extention
            except Exception:
                _logger.debug(
                    f'failed to download cover for {self.url} from {pd.metadata["cover_image_url"]}'
                )
        return pd


@SiteManager.register
class TMDB_TV(AbstractSite):
    SITE_NAME = SiteName.TMDB
    ID_TYPE = IdType.TMDB_TV
    URL_PATTERNS = [
        r"\w+://www.themoviedb.org/tv/(\d+)[^/]*$",
        r"\w+://www.themoviedb.org/tv/(\d+)[^/]*/seasons",
    ]
    WIKI_PROPERTY_ID = "?"
    DEFAULT_MODEL = TVShow

    @classmethod
    def id_to_url(self, id_value):
        return f"https://www.themoviedb.org/tv/{id_value}"

    def scrape(self):
        is_series = True
        if is_series:
            api_url = f"https://api.themoviedb.org/3/tv/{self.id_value}?api_key={settings.TMDB_API3_KEY}&language=zh-CN&append_to_response=external_ids,credits"
        else:
            api_url = f"https://api.themoviedb.org/3/movie/{self.id_value}?api_key={settings.TMDB_API3_KEY}&language=zh-CN&append_to_response=external_ids,credits"

        res_data = BasicDownloader(api_url).download().json()

        if is_series:
            title = res_data["name"]
            orig_title = res_data["original_name"]
            year = (
                int(res_data["first_air_date"].split("-")[0])
                if res_data["first_air_date"]
                else None
            )
            imdb_code = res_data["external_ids"]["imdb_id"]
            showtime = (
                [{"time": res_data["first_air_date"], "region": "首播日期"}]
                if res_data["first_air_date"]
                else None
            )
            duration = None
        else:
            title = res_data["title"]
            orig_title = res_data["original_title"]
            year = (
                int(res_data["release_date"].split("-")[0])
                if res_data["release_date"]
                else None
            )
            showtime = (
                [{"time": res_data["release_date"], "region": "发布日期"}]
                if res_data["release_date"]
                else None
            )
            imdb_code = res_data["imdb_id"]
            # in minutes
            duration = res_data["runtime"] if res_data["runtime"] else None

        genre = [x["name"] for x in res_data["genres"]]

        language = list(map(lambda x: x["name"], res_data["spoken_languages"]))
        brief = res_data["overview"]

        if is_series:
            director = list(map(lambda x: x["name"], res_data["created_by"]))
        else:
            director = list(
                map(
                    lambda x: x["name"],
                    filter(
                        lambda c: c["job"] == "Director", res_data["credits"]["crew"]
                    ),
                )
            )
        playwright = list(
            map(
                lambda x: x["name"],
                filter(lambda c: c["job"] == "Screenplay", res_data["credits"]["crew"]),
            )
        )
        actor = list(map(lambda x: x["name"], res_data["credits"]["cast"]))
        area = []

        other_info = {}
        # other_info['TMDB评分'] = res_data['vote_average']
        # other_info['分级'] = res_data['contentRating']
        # other_info['Metacritic评分'] = res_data['metacriticRating']
        # other_info['奖项'] = res_data['awards']
        # other_info['TMDB_ID'] = id
        if is_series:
            other_info["Seasons"] = res_data["number_of_seasons"]
            other_info["Episodes"] = res_data["number_of_episodes"]

        # TODO: use GET /configuration to get base url
        img_url = (
            ("https://image.tmdb.org/t/p/original/" + res_data["poster_path"])
            if res_data["poster_path"] is not None
            else None
        )

        season_links = list(
            map(
                lambda s: {
                    "model": "TVSeason",
                    "id_type": IdType.TMDB_TVSeason,
                    "id_value": f'{self.id_value}-{s["season_number"]}',
                    "title": s["name"],
                    "url": f'{self.url}/season/{s["season_number"]}',
                },
                res_data["seasons"],
            )
        )
        pd = ResourceContent(
            metadata={
                "title": title,
                "orig_title": orig_title,
                "other_title": [],
                "imdb_code": imdb_code,
                "director": director,
                "playwright": playwright,
                "actor": actor,
                "genre": genre,
                "showtime": showtime,
                "site": None,
                "area": area,
                "language": language,
                "year": year,
                "duration": duration,
                "season_count": res_data["number_of_seasons"],
                "season": None,
                "episodes": None,
                "single_episode_length": None,
                "brief": brief,
                "cover_image_url": img_url,
                "related_resources": season_links,  # FIXME crawling them for now, but many douban tv season data may have wrong imdb links
            }
        )
        if imdb_code:
            pd.lookup_ids[IdType.IMDB] = imdb_code

        if pd.metadata["cover_image_url"]:
            imgdl = BasicImageDownloader(pd.metadata["cover_image_url"], self.url)
            try:
                pd.cover_image = imgdl.download().content
                pd.cover_image_extention = imgdl.extention
            except Exception:
                _logger.debug(
                    f'failed to download cover for {self.url} from {pd.metadata["cover_image_url"]}'
                )
        return pd


@SiteManager.register
class TMDB_TVSeason(AbstractSite):
    SITE_NAME = SiteName.TMDB
    ID_TYPE = IdType.TMDB_TVSeason
    URL_PATTERNS = [r"\w+://www.themoviedb.org/tv/(\d+)[^/]*/season/(\d+)[^/]*$"]
    WIKI_PROPERTY_ID = "?"
    DEFAULT_MODEL = TVSeason
    ID_PATTERN = r"^(\d+)-(\d+)$"

    @classmethod
    def url_to_id(cls, url: str):
        u = next(
            iter([re.match(p, url) for p in cls.URL_PATTERNS if re.match(p, url)]), None
        )
        return u[1] + "-" + u[2] if u else None

    @classmethod
    def id_to_url(cls, id_value):
        v = id_value.split("-")
        return f"https://www.themoviedb.org/tv/{v[0]}/season/{v[1]}"

    def scrape(self):
        v = self.id_value.split("-")
        show_id = v[0]
        season_id = v[1]
        site = TMDB_TV(TMDB_TV.id_to_url(show_id))
        show_resource = site.get_resource_ready(auto_create=False, auto_link=False)
        api_url = f"https://api.themoviedb.org/3/tv/{show_id}/season/{season_id}?api_key={settings.TMDB_API3_KEY}&language=zh-CN&append_to_response=external_ids,credits"
        d = BasicDownloader(api_url).download().json()
        if not d.get("id"):
            raise ParseError("id")
        pd = ResourceContent(
            metadata=_copy_dict(
                d,
                {
                    "name": "title",
                    "overview": "brief",
                    "air_date": "air_date",
                    "season_number": 0,
                    "external_ids": [],
                },
            )
        )
        pd.metadata["title"] = (
            show_resource.metadata["title"] + " " + pd.metadata["title"]
        )
        pd.metadata["required_resources"] = [
            {
                "model": "TVShow",
                "id_type": IdType.TMDB_TV,
                "id_value": show_id,
                "title": f"TMDB TV Show {show_id}",
                "url": f"https://www.themoviedb.org/tv/{show_id}",
            }
        ]
        pd.lookup_ids[IdType.IMDB] = d["external_ids"].get("imdb_id")
        pd.metadata["cover_image_url"] = (
            ("https://image.tmdb.org/t/p/original/" + d["poster_path"])
            if d["poster_path"]
            else None
        )
        pd.metadata["title"] = (
            pd.metadata["title"]
            if pd.metadata["title"]
            else f'Season {d["season_number"]}'
        )
        pd.metadata["episode_number_list"] = list(
            map(lambda ep: ep["episode_number"], d["episodes"])
        )
        pd.metadata["episode_count"] = len(pd.metadata["episode_number_list"])
        if pd.metadata["cover_image_url"]:
            imgdl = BasicImageDownloader(pd.metadata["cover_image_url"], self.url)
            try:
                pd.cover_image = imgdl.download().content
                pd.cover_image_extention = imgdl.extention
            except Exception:
                _logger.debug(
                    f'failed to download cover for {self.url} from {pd.metadata["cover_image_url"]}'
                )

        # use show's IMDB (for Season 1) or 1st episode's IMDB (if not Season 1) as this season's IMDB so that it can be compatible with TVSeason data from Douban
        if pd.lookup_ids.get(IdType.IMDB):
            # this should not happen
            _logger.warning("Unexpected IMDB id for TMDB tv season")
        elif pd.metadata.get("season_number") == 1:
            res = SiteManager.get_site_by_url(
                f"https://www.themoviedb.org/tv/{show_id}"
            ).get_resource_ready()
            pd.lookup_ids[IdType.IMDB] = (
                res.other_lookup_ids.get(IdType.IMDB) if res else None
            )
        elif len(pd.metadata["episode_number_list"]) == 0:
            _logger.warning(
                "Unable to lookup IMDB id for TMDB tv season with zero episodes"
            )
        else:
            ep = pd.metadata["episode_number_list"][0]
            api_url2 = f"https://api.themoviedb.org/3/tv/{v[0]}/season/{v[1]}/episode/{ep}?api_key={settings.TMDB_API3_KEY}&language=zh-CN&append_to_response=external_ids,credits"
            d2 = BasicDownloader(api_url2).download().json()
            if not d2.get("id"):
                raise ParseError("first episode id for season")
            pd.lookup_ids[IdType.IMDB] = d2["external_ids"].get("imdb_id")
        return pd


@SiteManager.register
class TMDB_TVEpisode(AbstractSite):
    SITE_NAME = SiteName.TMDB
    ID_TYPE = IdType.TMDB_TVEpisode
    URL_PATTERNS = [
        r"\w+://www.themoviedb.org/tv/(\d+)[^/]*/season/(\d+)/episode/(\d+)[^/]*$"
    ]
    WIKI_PROPERTY_ID = "?"
    DEFAULT_MODEL = TVEpisode
    ID_PATTERN = r"^(\d+)-(\d+)-(\d+)$"

    @classmethod
    def url_to_id(cls, url: str):
        u = next(
            iter([re.match(p, url) for p in cls.URL_PATTERNS if re.match(p, url)]), None
        )
        return u[1] + "-" + u[2] + "-" + u[3] if u else None

    @classmethod
    def id_to_url(cls, id_value):
        v = id_value.split("-")
        return f"https://www.themoviedb.org/tv/{v[0]}/season/{v[1]}/episode/{v[2]}"

    def scrape(self):
        v = self.id_value.split("-")
        show_id = v[0]
        season_id = v[1]
        episode_id = v[2]
        site = TMDB_TV(TMDB_TV.id_to_url(show_id))
        show_resource = site.get_resource_ready(auto_create=False, auto_link=False)
        api_url = f"https://api.themoviedb.org/3/tv/{show_id}/season/{season_id}/episode/{episode_id}?api_key={settings.TMDB_API3_KEY}&language=zh-CN&append_to_response=external_ids,credits"
        d = BasicDownloader(api_url).download().json()
        if not d.get("id"):
            raise ParseError("id")
        pd = ResourceContent(
            metadata=_copy_dict(
                d,
                {
                    "name": "title",
                    "overview": "brief",
                    # "air_date": "air_date",
                    "season_number": 0,
                    "episode_number": 0,
                    "external_ids": [],
                },
            )
        )
        pd.metadata["required_resources"] = [
            {
                "model": "TVSeason",
                "id_type": IdType.TMDB_TVSeason,
                "id_value": f"{show_id}-{season_id}",
                "title": f"TMDB TV Season {show_id}-{season_id}",
                "url": f"https://www.themoviedb.org/tv/{show_id}/season/{season_id}",
            }
        ]
        pd.lookup_ids[IdType.IMDB] = d["external_ids"].get("imdb_id")
        pd.metadata["cover_image_url"] = (
            ("https://image.tmdb.org/t/p/original/" + d["poster_path"])
            if d.get("poster_path")
            else None
        )
        pd.metadata["title"] = (
            pd.metadata["title"]
            if pd.metadata["title"]
            else f'S{d["season_number"]} E{d["episode_number"]}'
        )
        if pd.metadata["cover_image_url"]:
            imgdl = BasicImageDownloader(pd.metadata["cover_image_url"], self.url)
            try:
                pd.cover_image = imgdl.download().content
                pd.cover_image_extention = imgdl.extention
            except Exception:
                _logger.debug(
                    f'failed to download cover for {self.url} from {pd.metadata["cover_image_url"]}'
                )

        if pd.lookup_ids.get(IdType.IMDB):
            pd.lookup_ids[IdType.IMDB] = pd.lookup_ids[IdType.IMDB]
        return pd