"""Smoke test for migration 0002: confirms model classes import and the
tag-kind uniqueness rule shape is correct.
"""

from backend.app.models import (
    Base,
    ImportBatch,
    ImportSettings,
    ImportTask,
    Tag,
    TagKind,
)


def test_new_tables_registered():
    expected = {"import_batch", "import_task", "import_settings"}
    assert expected.issubset(Base.metadata.tables.keys())


def test_tag_has_kind_and_fandom_id():
    cols = {c.name for c in Tag.__table__.columns}
    assert "kind" in cols
    assert "fandom_id" in cols
    assert "namespace" not in cols


def test_tag_kind_enum_values():
    # Current TagKind enum after alembic 0023 dropped meta + rating
    # (operator-retired 2026-05-26). `artist` is still in the enum
    # for backward-compat with historical rows, though new artist
    # tags don't get created (Artist row is canonical per FC-2d-vii-c).
    expected = {
        "artist",
        "character",
        "fandom",
        "general",
        "series",
        "archive",
        "post",
    }
    assert {k.value for k in TagKind} == expected


def test_image_record_has_integrity_status():
    from backend.app.models import ImageRecord
    cols = {c.name for c in ImageRecord.__table__.columns}
    assert "integrity_status" in cols


def test_import_task_has_state_columns():
    cols = {c.name for c in ImportTask.__table__.columns}
    for required in ("batch_id", "source_path", "task_type", "status", "result_image_id"):
        assert required in cols


def test_import_settings_singleton_constraint():
    constraints = {c.name for c in ImportSettings.__table__.constraints}
    assert "ck_import_settings_singleton" in constraints