from datetime import datetime, timezone

from sqlalchemy import create_engine
from sqlalchemy.orm import Session

from app.catalog_audit import audit_catalog, audit_waterbody_catalog
from app.database import Base
from app.models import CatchReport, Fish, ModerationStatus, SourceType, Spot, Waterbody


def test_catalog_audit_checks_the_whole_catalog() -> None:
    engine = create_engine("sqlite://")
    Base.metadata.create_all(engine)
    with Session(engine) as db:
        fish = Fish(slug="pike", name_ru="Щука", trophy_weight_g=10_000)
        water = Waterbody(slug="lake", name_ru="Озеро", unlock_level=1)
        spot = Spot(waterbody=water, x=10, y=20)
        db.add(CatchReport(fish=fish, waterbody=water, spot=spot, weight_g=1000, reported_at=datetime.now(timezone.utc), source_type=SourceType.user, source_confidence=60, moderation_status=ModerationStatus.approved))
        db.commit()
        assert audit_catalog(db)["failures"] == 0
        spot.x = 10_001
        db.commit()
        result = audit_catalog(db)
        assert result["reports"] == 1
        assert result["invalid_coordinates"] == 1
        assert result["failures"] == 1


def test_waterbody_catalog_audit_reports_snapshot_gaps_without_legacy_rows() -> None:
    engine = create_engine("sqlite://")
    Base.metadata.create_all(engine)
    with Session(engine) as db:
        now = datetime.now(timezone.utc)
        db.add_all([
            Waterbody(
                slug="lake", name_ru="Озеро", source_system="rf4db",
                source_external_id="level_001_lake", source_url="https://rf4db.com/ru/maps/level_001_lake",
                source_checked_at=now,
            ),
            Waterbody(slug="legacy", name_ru="Старое озеро"),
        ])
        db.commit()
        result = audit_waterbody_catalog(db, {"level_001_lake", "level_002_river"})
        assert result["expected"] == 2
        assert result["observed"] == 1
        assert result["missing_source_external_ids"] == ["level_002_river"]
        assert result["failures"] == 1