"""Ordenes de sort por canal y por estado (query_videos).

El dropdown de la UI expone Channel A→Z y Status; el backend debe agrupar
por nombre de canal legible (no UUID) y por ciclo de vida
(done → pending → no_subtitles → error), no alfabeticamente.
"""

from yt_scraper.store import Store, VideoRef


def _store(tmp_path):
    s = Store(tmp_path / "test.db")
    # Beta alfabetiza antes que Alpha en channel_id pero despues en nombre.
    s.upsert_channel("UCzzz", None, "Beta")
    s.upsert_channel("UCaaa", None, "Alpha")
    return s


def _ref(vid, ch, date=None, pos=None):
    return VideoRef(video_id=vid, channel_id=ch, title="t " + vid,
                    url=f"https://youtu.be/{vid}", upload_date=date, position=pos)


def test_sort_by_channel_name_groups_and_orders(tmp_path):
    s = _store(tmp_path)
    # position respeta el orden del listado de YouTube (0 = mas nuevo).
    s.upsert_videos([
        _ref("b1", "UCzzz", "20260201", pos=1),
        _ref("a2", "UCaaa", "20260101", pos=1),
        _ref("a1", "UCaaa", "20260301", pos=0),
        _ref("b0", "UCzzz", "20260401", pos=0),
    ])
    rows, _ = s.query_videos(sort="channel")
    ids = [r.video_id for r in rows]
    # Alpha primero por nombre; dentro del canal manda el rank del listado.
    assert ids == ["a1", "a2", "b0", "b1"]


def test_sort_by_status_lifecycle(tmp_path):
    s = _store(tmp_path)
    s.upsert_videos([
        _ref("p1", "UCaaa"),          # pending
        _ref("d1", "UCaaa", "20260101"),
        _ref("e1", "UCzzz"),
        _ref("d2", "UCzzz", "20260201"),
    ])
    s.mark_done("d1", "md/d1.md", "es", "manual", False)
    s.mark_done("d2", "md/d2.md", "es", "manual", False)
    s.mark_error("e1", "boom")
    rows, _ = s.query_videos(sort="status")
    statuses = [r.status for r in rows]
    assert statuses[0:2] == ["done", "done"]
    assert "pending" in statuses and "error" in statuses[-2:]