import pytest
from sqlalchemy import select

from app.models import KolVideo


class TestKolVideoModel:
    """Tests for KolVideo model."""

    async def test_create_video(self, test_session, sample_video_data):
        """Test creating a video record."""
        video = KolVideo(**sample_video_data)
        test_session.add(video)
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(KolVideo.item_id == sample_video_data["item_id"])
        )
        saved_video = result.scalar_one()

        assert saved_video.item_id == sample_video_data["item_id"]
        assert saved_video.title == sample_video_data["title"]
        assert saved_video.star_id == sample_video_data["star_id"]

    async def test_query_by_star_id(self, test_session, sample_video_data):
        """Test querying videos by star_id."""
        video = KolVideo(**sample_video_data)
        test_session.add(video)
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(KolVideo.star_id == sample_video_data["star_id"])
        )
        videos = result.scalars().all()

        assert len(videos) == 1
        assert videos[0].star_id == sample_video_data["star_id"]

    async def test_query_by_star_unique_id(self, test_session, sample_video_data):
        """Test querying videos by star_unique_id."""
        video = KolVideo(**sample_video_data)
        test_session.add(video)
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(
                KolVideo.star_unique_id == sample_video_data["star_unique_id"]
            )
        )
        videos = result.scalars().all()

        assert len(videos) == 1
        assert videos[0].star_unique_id == sample_video_data["star_unique_id"]

    async def test_query_by_nickname_like(self, test_session, sample_video_data):
        """Test querying videos by nickname using LIKE."""
        video = KolVideo(**sample_video_data)
        test_session.add(video)
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(KolVideo.star_nickname.like("%测试%"))
        )
        videos = result.scalars().all()

        assert len(videos) == 1
        assert "测试" in videos[0].star_nickname

    async def test_batch_query_by_star_ids(self, test_session, sample_video_data):
        """Test batch querying videos by multiple star_ids."""
        video1 = KolVideo(**sample_video_data)
        video2_data = sample_video_data.copy()
        video2_data["item_id"] = "test_item_002"
        video2_data["star_id"] = "star_002"
        video2 = KolVideo(**video2_data)

        test_session.add_all([video1, video2])
        await test_session.commit()

        star_ids = ["star_001", "star_002"]
        result = await test_session.execute(
            select(KolVideo).where(KolVideo.star_id.in_(star_ids))
        )
        videos = result.scalars().all()

        assert len(videos) == 2

    async def test_video_default_values(self, test_session):
        """Test that default values are set correctly."""
        video = KolVideo(
            item_id="test_defaults",
            star_id="star_test",
            star_unique_id="unique_test",
            star_nickname="测试默认值",
        )
        test_session.add(video)
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(KolVideo.item_id == "test_defaults")
        )
        saved_video = result.scalar_one()

        assert saved_video.natural_play_cnt == 0
        assert saved_video.heated_play_cnt == 0
        assert saved_video.total_play_cnt == 0
        assert saved_video.estimated_video_cost == 0

    async def test_video_nullable_fields(self, test_session):
        """Test that nullable fields can be None."""
        video = KolVideo(
            item_id="test_nullable",
            star_id="star_nullable",
            star_unique_id="unique_nullable",
            star_nickname="测试可空字段",
        )
        test_session.add(video)
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(KolVideo.item_id == "test_nullable")
        )
        saved_video = result.scalar_one()

        assert saved_video.title is None
        assert saved_video.video_url is None
        assert saved_video.brand_id is None
        assert saved_video.new_a3_rate is None

    async def test_update_video(self, test_session, sample_video_data):
        """Test updating a video record."""
        video = KolVideo(**sample_video_data)
        test_session.add(video)
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(KolVideo.item_id == sample_video_data["item_id"])
        )
        saved_video = result.scalar_one()
        saved_video.title = "更新后的标题"
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(KolVideo.item_id == sample_video_data["item_id"])
        )
        updated_video = result.scalar_one()
        assert updated_video.title == "更新后的标题"

    async def test_delete_video(self, test_session, sample_video_data):
        """Test deleting a video record."""
        video = KolVideo(**sample_video_data)
        test_session.add(video)
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(KolVideo.item_id == sample_video_data["item_id"])
        )
        saved_video = result.scalar_one()
        await test_session.delete(saved_video)
        await test_session.commit()

        result = await test_session.execute(
            select(KolVideo).where(KolVideo.item_id == sample_video_data["item_id"])
        )
        assert result.scalar_one_or_none() is None