from pathlib import Path

from trends_mcp.aliases import normalize_entity
from trends_mcp import ledger


def test_normalize_entity_maps_bitcoin_to_btc():
    assert normalize_entity("bitcoin") == "BTC"


def test_store_snapshot_persists_payload(tmp_path, monkeypatch):
    monkeypatch.setattr(ledger, "DB_PATH", tmp_path / "trends_history.db")
    ledger.store_snapshot(
        tool="resolve_entity",
        keyword="bitcoin",
        normalized_keyword="BTC",
        mid="/m/05p0rrx",
        canonical_label="Bitcoin",
        payload={"keyword": "bitcoin", "canonical_label": "Bitcoin"},
    )
    rows = ledger.read_recent(10)
    assert rows[0]["tool"] == "resolve_entity"
    assert rows[0]["payload"]["canonical_label"] == "Bitcoin"


def test_entity_history_matches_keyword(tmp_path, monkeypatch):
    monkeypatch.setattr(ledger, "DB_PATH", tmp_path / "trends_history.db")
    ledger.store_snapshot(tool="resolve_entity", keyword="bitcoin", normalized_keyword="BTC", mid="/m/05p0rrx", canonical_label="Bitcoin", payload={"keyword": "bitcoin"})
    ledger.store_snapshot(tool="get_related_queries", keyword="bitcoin", normalized_keyword="BTC", mid=None, canonical_label=None, payload={"keyword": "bitcoin"})
    history = ledger.entity_history("BTC")
    assert history["count"] == 2