from importlib.util import module_from_spec, spec_from_file_location
from datetime import datetime
from pathlib import Path


MIGRATION_PATH = Path(__file__).parents[1] / "alembic" / "versions" / "0021_detail_records.py"
SPEC = spec_from_file_location("detail_records_migration", MIGRATION_PATH)
assert SPEC and SPEC.loader
MIGRATION = module_from_spec(SPEC)
SPEC.loader.exec_module(MIGRATION)


def test_detail_record_indexes_are_created_only_when_missing():
    assert MIGRATION.missing_detail_record_indexes(set()) == {
        "ix_DetailRecord_isActive",
        "ix_DetailRecord_sortOrder",
    }
    assert MIGRATION.missing_detail_record_indexes({"ix_DetailRecord_isActive"}) == {
        "ix_DetailRecord_sortOrder",
    }
    assert MIGRATION.missing_detail_record_indexes(
        {"ix_DetailRecord_isActive", "ix_DetailRecord_sortOrder"}
    ) == set()


def test_detail_seed_rows_skip_existing_route_keys():
    routes = [
        {
            "id": "family-route",
            "title": "亲子路线",
            "subtitle": "贵州亲子慢游",
            "image": "https://example.test/family.jpg",
            "sortOrder": 0,
        }
    ]
    rows = MIGRATION.build_detail_seed_rows(routes, set(), datetime(2026, 1, 1))
    assert rows[0]["key"] == "family-route"
    assert MIGRATION.build_detail_seed_rows(routes, {"family-route"}, datetime(2026, 1, 1)) == []