from datetime import datetime

import pytest

from unwind import db, models, web_models

_movie_imdb_id = 1230000


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_current_patch_level(conn: db.Connection):
    patch_level = "some-patch-level"
    assert patch_level != await db.current_patch_level(conn)
    await db.set_current_patch_level(conn, patch_level)
    assert patch_level == await db.current_patch_level(conn)


@pytest.mark.asyncio
async def test_get(conn: db.Connection):
    m1 = a_movie()
    await db.add(conn, m1)

    m2 = a_movie(release_year=m1.release_year + 1)
    await db.add(conn, m2)

    assert None is await db.get(conn, models.Movie)
    assert None is await db.get(conn, models.Movie, id="blerp")
    assert m1 == await db.get(conn, models.Movie, id=str(m1.id))
    assert m2 == await db.get(conn, models.Movie, release_year=m2.release_year)
    assert None is await db.get(
        conn, models.Movie, id=str(m1.id), release_year=m2.release_year
    )
    assert m2 == await db.get(
        conn, models.Movie, id=str(m2.id), release_year=m2.release_year
    )
    assert m1 == await db.get(
        conn,
        models.Movie,
        media_type=m1.media_type,
        order_by=(models.movies.c.release_year, "asc"),
    )
    assert m2 == await db.get(
        conn,
        models.Movie,
        media_type=m1.media_type,
        order_by=(models.movies.c.release_year, "desc"),
    )


@pytest.mark.asyncio
async def test_get_all(conn: db.Connection):
    m1 = a_movie()
    await db.add(conn, m1)

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

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

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


@pytest.mark.asyncio
async def test_get_many(conn: db.Connection):
    m1 = a_movie()
    await db.add(conn, m1)

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

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

    assert [] == list(await db.get_many(conn, models.Movie)), "selected nothing"
    assert [m1] == list(await db.get_many(conn, models.Movie, id=[str(m1.id)]))
    assert [m1] == list(await db.get_many(conn, models.Movie, id={str(m1.id)}))
    assert [m1, m2] == list(
        await db.get_many(conn, models.Movie, release_year=[m1.release_year])
    )
    assert [m1, m2, m3] == list(
        await db.get_many(
            conn, models.Movie, release_year=[m1.release_year, m3.release_year]
        )
    )


@pytest.mark.asyncio
async def test_add_and_get(conn: db.Connection):
    m1 = a_movie()
    await db.add(conn, m1)

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

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


@pytest.mark.asyncio
async def test_update(conn: db.Connection):
    m = a_movie()
    await db.add(conn, m)

    assert m == await db.get(conn, models.Movie, id=str(m.id))
    m.title += "something else"
    assert m != await db.get(conn, models.Movie, id=str(m.id))

    await db.update(conn, m)
    assert m == await db.get(conn, models.Movie, id=str(m.id))


@pytest.mark.asyncio
async def test_remove(conn: db.Connection):
    m1 = a_movie()
    await db.add(conn, m1)
    assert m1 == await db.get(conn, models.Movie, id=str(m1.id))

    await db.remove(conn, m1)
    assert None is await db.get(conn, models.Movie, id=str(m1.id))


@pytest.mark.asyncio
async def test_find_ratings(conn: db.Connection):
    m1 = a_movie(
        title="test movie",
        release_year=2013,
        genres={"genre-1"},
    )
    await db.add(conn, m1)

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

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

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

    u2 = models.User(
        imdb_id="u00002",
        name="User2",
        secret="secret2",
    )
    await db.add(conn, 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(conn, 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(conn, r2)

    # ---

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


@pytest.mark.asyncio
async def test_ratings_for_movies(conn: db.Connection):
    m1 = a_movie()
    await db.add(conn, m1)

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

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

    u2 = models.User(
        imdb_id="u00002",
        name="User2",
        secret="secret2",
    )
    await db.add(conn, 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(conn, r1)

    # ---

    movie_ids = [m1.id]
    user_ids = []
    assert tuple() == tuple(
        await db.ratings_for_movies(conn, movie_ids=movie_ids, user_ids=user_ids)
    )

    movie_ids = [m2.id]
    user_ids = []
    assert (r1,) == tuple(
        await db.ratings_for_movies(conn, movie_ids=movie_ids, user_ids=user_ids)
    )

    movie_ids = [m2.id]
    user_ids = [u2.id]
    assert tuple() == tuple(
        await db.ratings_for_movies(conn, movie_ids=movie_ids, user_ids=user_ids)
    )

    movie_ids = [m2.id]
    user_ids = [u1.id]
    assert (r1,) == tuple(
        await db.ratings_for_movies(conn, movie_ids=movie_ids, user_ids=user_ids)
    )

    movie_ids = [m1.id, m2.id]
    user_ids = [u1.id, u2.id]
    assert (r1,) == tuple(
        await db.ratings_for_movies(conn, movie_ids=movie_ids, user_ids=user_ids)
    )


@pytest.mark.asyncio
async def test_find_movies(conn: db.Connection):
    m1 = a_movie(title="movie one")
    await db.add(conn, m1)

    m2 = a_movie(title="movie two", imdb_score=33, release_year=m1.release_year + 1)
    await db.add(conn, m2)

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

    u2 = models.User(
        imdb_id="u00002",
        name="User2",
        secret="secret2",
    )
    await db.add(conn, 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(conn, r1)

    # ---

    assert () == tuple(
        await db.find_movies(conn, title=m1.title, include_unrated=False)
    )
    assert ((m1, []),) == tuple(
        await db.find_movies(conn, title=m1.title, include_unrated=True)
    )

    assert ((m1, []),) == tuple(
        await db.find_movies(conn, title="mo on", exact=False, include_unrated=True)
    )
    assert ((m1, []),) == tuple(
        await db.find_movies(conn, title="movie one", exact=True, include_unrated=True)
    )
    assert () == tuple(
        await db.find_movies(conn, title="mo on", exact=True, include_unrated=True)
    )

    assert ((m2, []),) == tuple(
        await db.find_movies(conn, title="movie", exact=False, include_unrated=False)
    )
    assert ((m2, []), (m1, [])) == tuple(
        await db.find_movies(conn, title="movie", exact=False, include_unrated=True)
    )

    assert ((m1, []),) == tuple(
        await db.find_movies(
            conn, include_unrated=True, yearcomp=("=", m1.release_year)
        )
    )
    assert ((m2, []),) == tuple(
        await db.find_movies(
            conn, include_unrated=True, yearcomp=("=", m2.release_year)
        )
    )
    assert ((m1, []),) == tuple(
        await db.find_movies(
            conn, include_unrated=True, yearcomp=("<", m2.release_year)
        )
    )
    assert ((m2, []),) == tuple(
        await db.find_movies(
            conn, include_unrated=True, yearcomp=(">", m1.release_year)
        )
    )

    assert ((m2, []), (m1, [])) == tuple(
        await db.find_movies(conn, include_unrated=True)
    )
    assert ((m2, []),) == tuple(
        await db.find_movies(conn, include_unrated=True, limit_rows=1)
    )
    assert ((m1, []),) == tuple(
        await db.find_movies(conn, include_unrated=True, skip_rows=1)
    )

    assert ((m2, [r1]), (m1, [])) == tuple(
        await db.find_movies(conn, include_unrated=True, user_ids=[u1.id, u2.id])
    )