from lyra_worker.adapters.fakes import FakeMbBrowser, FakeSimilaritySource
from lyra_worker.main import _run_discovery
from lyra_worker.similarity.base import SimilarArtist
from tests.conftest import insert_watched_artist


def _set(conn, key, value):
    with conn.cursor() as cur:
        cur.execute(
            'INSERT INTO "Config"(key, value, secret, "updatedAt") VALUES (%s, %s, false, now()) '
            'ON CONFLICT (key) DO UPDATE SET value = EXCLUDED.value, "updatedAt" = now()',
            (key, value),
        )
    conn.commit()


def _get(conn, key):
    with conn.cursor() as cur:
        cur.execute('SELECT value FROM "Config" WHERE key = %s', (key,))
        row = cur.fetchone()
        return row[0] if row else None


def test_run_discovery_writes_result_and_clears_flag(conn):
    insert_watched_artist(conn, mbid="s1", name="Seed")
    _set(conn, "discover.requested", "true")
    src = FakeSimilaritySource(similar={"s1": [SimilarArtist("c1", "Cand", 0.9)]})

    _run_discovery(conn, [src], FakeMbBrowser())

    assert _get(conn, "discover.requested") == "false"          # flag cleared
    assert "artists" in (_get(conn, "discover.result") or "")   # summary written
    with conn.cursor() as cur:
        cur.execute('SELECT count(*) FROM "DiscoverySuggestion" WHERE kind = \'artist\'')
        assert cur.fetchone()[0] == 1