import server.mf  # noqa: F401 — loads musicfetch, registers musicfetch_core
import musicfetch_core as mf


class _FakeResp:
    def __init__(self, status, payload):
        self.status_code = status
        self._payload = payload

    def json(self):
        return self._payload


FULL = {
    "entityUniqueId": "SPOTIFY_SONG::abc",
    "entitiesByUniqueId": {
        "SPOTIFY_SONG::abc": {
            "title": "Bloom",
            "artistName": "ODESZA",
            "thumbnailUrl": "https://img/cover.jpg",
        }
    },
    "linksByPlatform": {
        "youtubeMusic": {"url": "https://music.youtube.com/watch?v=YYY"},
        "youtube": {"url": "https://youtube.com/watch?v=YYY"},
    },
}


def test_odesli_resolve_full(monkeypatch):
    monkeypatch.setattr(mf.requests, "get", lambda *a, **k: _FakeResp(200, FULL))
    r = mf.odesli_resolve("https://open.spotify.com/track/abc")
    assert r.title == "Bloom"
    assert r.artist == "ODESZA"
    assert r.thumb == "https://img/cover.jpg"
    assert r.youtube_url == "https://music.youtube.com/watch?v=YYY"


def test_odesli_resolve_prefers_ytmusic_then_youtube(monkeypatch):
    payload = {**FULL, "linksByPlatform": {"youtube": {"url": "https://youtube.com/watch?v=ZZZ"}}}
    monkeypatch.setattr(mf.requests, "get", lambda *a, **k: _FakeResp(200, payload))
    r = mf.odesli_resolve("https://open.spotify.com/track/abc")
    assert r.youtube_url == "https://youtube.com/watch?v=ZZZ"


def test_odesli_resolve_no_youtube_link(monkeypatch):
    payload = {**FULL, "linksByPlatform": {}}
    monkeypatch.setattr(mf.requests, "get", lambda *a, **k: _FakeResp(200, payload))
    r = mf.odesli_resolve("https://open.spotify.com/track/abc")
    assert r.youtube_url == ""
    assert r.title == "Bloom"


def test_odesli_resolve_non_200_returns_none(monkeypatch):
    monkeypatch.setattr(mf.requests, "get", lambda *a, **k: _FakeResp(429, {}))
    assert mf.odesli_resolve("https://open.spotify.com/track/abc") is None


def test_odesli_resolve_malformed_returns_none(monkeypatch):
    monkeypatch.setattr(mf.requests, "get", lambda *a, **k: _FakeResp(200, {"nope": 1}))
    assert mf.odesli_resolve("https://open.spotify.com/track/abc") is None


def test_odesli_resolve_network_error_returns_none(monkeypatch):
    def boom(*a, **k):
        raise mf.RequestException("down")
    monkeypatch.setattr(mf.requests, "get", boom)
    assert mf.odesli_resolve("https://open.spotify.com/track/abc") is None


def test_is_direct_url_youtube():
    assert mf._is_direct_url("https://music.youtube.com/watch?v=abc")
    assert mf._is_direct_url("https://www.youtube.com/watch?v=abc")
    assert mf._is_direct_url("https://youtu.be/abc")


def test_is_direct_url_soundcloud():
    assert mf._is_direct_url("https://soundcloud.com/dj/track")


def test_is_direct_url_other_platforms_false():
    assert not mf._is_direct_url("https://open.spotify.com/track/abc")
    assert not mf._is_direct_url("https://music.apple.com/us/album/x/1?i=2")
    assert not mf._is_direct_url("https://tidal.com/browse/track/123")


def test_is_direct_url_youtube_playlist_true():
    assert mf._is_direct_url("https://www.youtube.com/playlist?list=PLabc")


def test_is_direct_url_lookalike_hosts_false():
    # Trailing-substring look-alikes must NOT be treated as direct (label boundary).
    assert not mf._is_direct_url("https://notyoutube.com/watch?v=abc")
    assert not mf._is_direct_url("https://myyoutube.com/x")
    assert not mf._is_direct_url("https://evilyoutu.be/x")
    assert not mf._is_direct_url("https://youtube.com.evil.com/x")


def test_is_direct_url_subdomains_true():
    assert mf._is_direct_url("https://m.youtube.com/watch?v=abc")
    assert mf._is_direct_url("https://on.soundcloud.com/x")
    assert mf._is_direct_url("https://api.soundcloud.com/tracks/1")


def _resolved(yt="https://music.youtube.com/watch?v=YYY"):
    return mf.Resolved(title="Bloom", artist="ODESZA",
                       thumb="https://img/cover.jpg", youtube_url=yt)


def test_resolve_link_hits_builds_query_and_exact_yt(monkeypatch):
    monkeypatch.setattr(mf, "odesli_resolve", lambda url: _resolved())
    lid = mf.Hit(source="lidarr", kind="album", title="A Moment Apart",
                 artist="ODESZA", album="A Moment Apart", year="2017",
                 payload={"album": {"id": 9}})
    monkeypatch.setattr(mf, "lidarr_search", lambda q, limit: [lid])
    query, hits = mf.resolve_link_hits("https://open.spotify.com/track/abc", 10)
    assert query == "ODESZA - Bloom"
    assert hits[0].source == "lidarr"
    yt = hits[-1]
    assert yt.source == "youtube" and yt.kind == "track"
    assert yt.title == "Bloom" and yt.artist == "ODESZA"
    assert yt.payload["url"] == "https://music.youtube.com/watch?v=YYY"


def test_resolve_link_hits_no_yt_link_lidarr_only(monkeypatch):
    monkeypatch.setattr(mf, "odesli_resolve", lambda url: _resolved(yt=""))
    lid = mf.Hit(source="lidarr", kind="album", title="X", artist="ODESZA",
                 payload={"album": {"id": 9}})
    monkeypatch.setattr(mf, "lidarr_search", lambda q, limit: [lid])
    query, hits = mf.resolve_link_hits("https://open.spotify.com/track/abc", 10)
    assert all(h.source == "lidarr" for h in hits)


def test_resolve_link_hits_odesli_miss_raises(monkeypatch):
    import pytest
    monkeypatch.setattr(mf, "odesli_resolve", lambda url: None)
    with pytest.raises(mf.OdesliError):
        mf.resolve_link_hits("https://open.spotify.com/track/abc", 10)


def test_handle_link_miss_prints_and_returns(monkeypatch, capsys):
    monkeypatch.setattr(mf, "odesli_resolve", lambda url: None)
    mf.handle_link("https://open.spotify.com/track/abc", "/m", "best",
                   False, True, False, 10)
    out = capsys.readouterr()
    assert "Couldn't resolve" in (out.err + out.out)


def test_handle_link_dispatches_chosen(monkeypatch):
    monkeypatch.setattr(mf, "odesli_resolve", lambda url: _resolved())
    monkeypatch.setattr(mf, "lidarr_search", lambda q, limit: [])
    chosen = {}
    monkeypatch.setattr(mf, "pick", lambda hits, q, ni, yf: hits[0])
    monkeypatch.setattr(mf, "_dispatch_chosen",
                        lambda c, hits, root, quality, dry, lo, sa: chosen.update(c=c, root=root))
    mf.handle_link("https://open.spotify.com/track/abc", "/m", "best",
                   False, True, False, 10)
    assert chosen["c"].source == "youtube"
    assert chosen["root"] == "/m"