from unittest.mock import AsyncMock, Mock, patch

from app.api.endpoints.media import recognize_file, scrape
from app.core.context import Context, MediaInfo
from app.core.meta import MetaBase, MetaMusic
from app.core.context import MusicInfo
from app.schemas import FileItem, MediaType


def test_scrape_uses_explicit_media_source_and_id() -> None:
    """手动刮削应使用请求指定的数据源原生ID，并传给后续刮削流程。"""
    fileitem = FileItem(storage="alist", path="/movies/Test Movie (2026).mkv", type="file")
    media_info = MediaInfo(title="测试电影", type=MediaType.MOVIE)
    chain = Mock()
    chain.recognize_media.return_value = media_info

    with patch("app.api.endpoints.media.MediaChain", return_value=chain) as mock_chain:
        # mkv 非音频文件，需显式关闭 Mock 的 is_audio_path 避免误入音乐分支
        mock_chain.is_audio_path.return_value = False
        result = scrape(
            fileitem=fileitem,
            storage="alist",
            media_source="douban",
            media_id="123456",
            type_name=MediaType.MOVIE,
            _=Mock(),
        )

    assert result.success is True
    chain.recognize_by_path.assert_not_called()
    recognize_kwargs = chain.recognize_media.call_args.kwargs
    assert recognize_kwargs["source"] == "douban"
    assert recognize_kwargs["mediaid"] == "123456"
    assert recognize_kwargs["mtype"] == MediaType.MOVIE
    chain.obtain_images.assert_called_once_with(mediainfo=media_info)
    assert media_info.scrape_source == "douban"
    scrape_kwargs = chain.scrape_metadata.call_args.kwargs
    assert scrape_kwargs["fileitem"] is fileitem
    assert scrape_kwargs["mediainfo"] is media_info
    assert scrape_kwargs["overwrite"] is True


def test_scrape_keeps_automatic_recognition_compatible() -> None:
    """未指定媒体ID时应继续按路径识别，并允许仅限定请求级数据源。"""
    fileitem = FileItem(storage="alist", path="/tv/Test Show S01E01.mkv", type="file")
    meta_info = MetaBase("Test Show S01E01")
    media_info = MediaInfo(title="测试剧集", type=MediaType.TV)
    chain = Mock()
    chain.recognize_by_path.return_value = Context(meta_info=meta_info, media_info=media_info)

    with patch("app.api.endpoints.media.MediaChain", return_value=chain) as mock_chain:
        # mkv 非音频文件，需显式关闭 Mock 的 is_audio_path 避免误入音乐分支
        mock_chain.is_audio_path.return_value = False
        result = scrape(
            fileitem=fileitem,
            storage="alist",
            media_source="bangumi",
            _=Mock(),
        )

    assert result.success is True
    chain.recognize_by_path.assert_called_once_with(
        fileitem.path,
        source="bangumi",
        obtain_images=True,
    )
    chain.recognize_media.assert_not_called()
    assert media_info.scrape_source == "bangumi"
    chain.scrape_metadata.assert_called_once_with(
        fileitem=fileitem,
        meta=meta_info,
        mediainfo=media_info,
        overwrite=True,
    )


def test_scrape_rejects_media_id_without_source() -> None:
    """原生媒体ID缺少所属数据源时应直接返回明确错误。"""
    result = scrape(
        fileitem=FileItem(storage="alist", path="/movies/Test.mkv", type="file"),
        storage="alist",
        media_id="123456",
        _=Mock(),
    )

    assert result.success is False
    assert result.message == "指定媒体ID时必须同时指定媒体数据源"


def test_recognize_file_routes_audio_to_music_chain() -> None:
    """文件管理识别音频文件时应经统一路径识别入口返回音乐专属上下文。"""
    chain = Mock()
    chain.async_recognize_by_path = AsyncMock(
        return_value=Context(
            meta_info=MetaMusic(title="晴天", artists=["周杰伦"]),
            media_info=MusicInfo(
                source="musicbrainz",
                media_id="977e6978-139d-425c-bb98-6b0c62d1e45e",
                title="晴天",
                artists=["周杰伦"],
            ),
        )
    )

    import asyncio

    with patch("app.api.endpoints.media.MediaChain", return_value=chain):
        result = asyncio.run(recognize_file(path="/music/晴天.flac", _=Mock()))

    assert result["meta_info"]["type"] == "音乐"
    assert result["media_info"]["title"] == "晴天"
    chain.async_recognize_by_path.assert_awaited_once_with(
        "/music/晴天.flac", source=None
    )


def test_scrape_music_uses_musicbrainz_uuid_and_music_scraper() -> None:
    """手动音乐刮削应接受 MusicBrainz UUID 并经统一识别入口后写入音乐标签。"""
    fileitem = FileItem(storage="local", path="/music/晴天.flac", type="file")
    info = MusicInfo(
        source="musicbrainz",
        media_id="977e6978-139d-425c-bb98-6b0c62d1e45e",
        title="晴天",
    )
    media_chain = Mock()
    media_chain.recognize_media.return_value = info
    media_chain.scrape_music_metadata.return_value = (True, "已刮削 1 个音频文件")

    with patch("app.api.endpoints.media.MediaChain", return_value=media_chain):
        result = scrape(
            fileitem=fileitem,
            storage="local",
            media_source="musicbrainz",
            media_id="977e6978-139d-425c-bb98-6b0c62d1e45e",
            type_name=MediaType.MUSIC,
            _=Mock(),
        )

    assert result.success is True
    media_chain.recognize_media.assert_called_once_with(
        source="musicbrainz",
        mediaid="977e6978-139d-425c-bb98-6b0c62d1e45e",
        mtype=MediaType.MUSIC,
    )
    media_chain.scrape_music_metadata.assert_called_once_with(
        fileitem=fileitem,
        mediainfo=info,
        overwrite=True,
    )