from datetime import datetime

import pytest

from unwind import db, models, web_models

_movie_imdb_id = 1234567


def a_movie(**kwds) -> models.Movie:
    global _movie_imdb_id
    _movie_imdb_id += 1
    args = {
        "title": "test movie",
        "release_year": 2013,
        "media_type": "Movie",
        "imdb_id": f"tt{_movie_imdb_id}",
        "genres": {"genre-1"},
    } | kwds
    return models.Movie(**args)


@pytest.mark.asyncio
async def test_get_all(shared_conn: db.Database):
    async with shared_conn.transaction(force_rollback=True):
        m1 = a_movie()
        await db.add(m1)

        m2 = a_movie(release_year=m1.release_year)
        await db.add(m2)

        m3 = a_movie(release_year=m1.release_year + 1)
        await db.add(m3)

        assert [] == list(await db.get_all(models.Movie, id="blerp"))
        assert [m1] == list(await db.get_all(models.Movie, id=str(m1.id)))
        assert [m1, m2] == list(await db.get_all(models.Movie, release_year=2013))
        assert [m1, m2, m3] == list(await db.get_all(models.Movie))


@pytest.mark.asyncio
async def test_add_and_get(shared_conn: db.Database):
    async with shared_conn.transaction(force_rollback=True):
        m1 = a_movie()
        await db.add(m1)

        m2 = a_movie()
        await db.add(m2)

        assert m1 == await db.get(models.Movie, id=str(m1.id))
        assert m2 == await db.get(models.Movie, id=str(m2.id))


@pytest.mark.asyncio
async def test_find_ratings(shared_conn: db.Database):
    async with shared_conn.transaction(force_rollback=True):
        m1 = a_movie(
            title="test movie",
            release_year=2013,
            genres={"genre-1"},
        )
        await db.add(m1)

        m2 = a_movie(
            title="it's anöther Movie, Part 2",
            release_year=2015,
            genres={"genre-2"},
        )
        await db.add(m2)

        m3 = a_movie(
            title="movie it's, Part 3",
            release_year=m2.release_year,
            genres=m2.genres,
        )
        await db.add(m3)

        u1 = models.User(
            imdb_id="u00001",
            name="User1",
            secret="secret1",
        )
        await db.add(u1)

        u2 = models.User(
            imdb_id="u00002",
            name="User2",
            secret="secret2",
        )
        await db.add(u2)

        r1 = models.Rating(
            movie_id=m2.id,
            movie=m2,
            user_id=u1.id,
            user=u1,
            score=66,
            rating_date=datetime.now(),
        )
        await db.add(r1)

        r2 = models.Rating(
            movie_id=m2.id,
            movie=m2,
            user_id=u2.id,
            user=u2,
            score=77,
            rating_date=datetime.now(),
        )
        await db.add(r2)

        # ---

        rows = await db.find_ratings(
            title=m1.title,
            media_type=m1.media_type,
            exact=True,
            ignore_tv_episodes=True,
            include_unrated=True,
            yearcomp=("=", m1.release_year),
            limit_rows=3,
            user_ids=[],
        )
        ratings = (web_models.Rating(**r) for r in rows)
        assert (web_models.RatingAggregate.from_movie(m1),) == tuple(
            web_models.aggregate_ratings(ratings, user_ids=[])
        )

        rows = await db.find_ratings(title="movie", include_unrated=False)
        ratings = tuple(web_models.Rating(**r) for r in rows)
        assert (
            web_models.Rating.from_movie(m2, rating=r1),
            web_models.Rating.from_movie(m2, rating=r2),
        ) == ratings

        rows = await db.find_ratings(title="movie", include_unrated=True)
        ratings = tuple(web_models.Rating(**r) for r in rows)
        assert (
            web_models.Rating.from_movie(m1),
            web_models.Rating.from_movie(m2, rating=r1),
            web_models.Rating.from_movie(m2, rating=r2),
            web_models.Rating.from_movie(m3),
        ) == ratings

        aggr = web_models.aggregate_ratings(ratings, user_ids=[])
        assert tuple(
            web_models.RatingAggregate.from_movie(m) for m in [m1, m2, m3]
        ) == tuple(aggr)

        aggr = web_models.aggregate_ratings(ratings, user_ids=[str(u1.id)])
        assert (
            web_models.RatingAggregate.from_movie(m1),
            web_models.RatingAggregate.from_movie(m2, ratings=[r1]),
            web_models.RatingAggregate.from_movie(m3),
        ) == tuple(aggr)

        aggr = web_models.aggregate_ratings(ratings, user_ids=[str(u1.id), str(u2.id)])
        assert (
            web_models.RatingAggregate.from_movie(m1),
            web_models.RatingAggregate.from_movie(m2, ratings=[r1, r2]),
            web_models.RatingAggregate.from_movie(m3),
        ) == tuple(aggr)

        rows = await db.find_ratings(title="movie", include_unrated=True)
        ratings = (web_models.Rating(**r) for r in rows)
        aggr = web_models.aggregate_ratings(ratings, user_ids=[])
        assert tuple(
            web_models.RatingAggregate.from_movie(m) for m in [m1, m2, m3]
        ) == tuple(aggr)

        rows = await db.find_ratings(title="test", include_unrated=True)
        ratings = tuple(web_models.Rating(**r) for r in rows)
        assert (web_models.Rating.from_movie(m1),) == ratings