from datetime import timedelta

from rest_framework import viewsets
from rest_framework.decorators import action
from rest_framework.response import Response

from tmdbv3api import TMDb, Search, Movie

from myapi.models import Film
from myapi.serializers import FilmSerializer
from ulm_cine_club_api.settings.base import TMDB_API_KEY

tmdb = TMDb()
tmdb.api_key = TMDB_API_KEY
tmdb.language = "fr"


class TmdbViewSet(viewsets.ViewSet):
    @action(methods=["GET"], detail=False)
    def search(self, request):
        query = request.query_params["query"]
        search = Search()
        tmdb_results = search.movies({"query": query})
        res = [
            {
                "id": film["id"],
                "release_date": film["release_date"],
                "title": film["title"],
                "poster_path": film["poster_path"],
            }
            for film in tmdb_results
        ]
        return Response(res)

    @action(methods=["GET"], detail=True)
    def fill(self, request, pk=None):
        tmdb_movie = Movie().details(pk, "images,credits,keywords")
        internal_movie = Film(
            title=tmdb_movie["title"],
            imdb_id=tmdb_movie["imdb_id"],
            tmdb_id=tmdb_movie["id"],
            synopsis=tmdb_movie["overview"],
            poster_link=tmdb_movie["poster_path"],
            duration=timedelta(minutes=tmdb_movie["runtime"]),
            release_year=tmdb_movie["release_date"][:4],
            director=next(person["name"] for person in tmdb_movie["credits"]["crew"] if person["job"] == "Director"),
            actors=[person["name"] for person in tmdb_movie["credits"]["cast"][:5]],
            origin_country=", ".join(
                short_country_name(country["name"]) for country in tmdb_movie["production_countries"]
            ),  # TODO iso to French name
            is_in_color=not any(keyword["id"] == 12999 for keyword in tmdb_movie["keywords"]["keywords"])
        )
        serializer = FilmSerializer(internal_movie)
        return Response(serializer.data)


def short_country_name(country_name: str):
    if country_name == "United States of America":
        return "USA"
    return country_name