"""Remove superseded homepage configuration modules.

The homepage workbench now owns the five supported areas: hero slides,
wanfa recommendations, vehicle options, team buildings, and wild archives.
The former destination/demand/experience singleton tables are no longer part
of the public or admin contracts and must not be recreated by ``create_all``.
"""

from alembic import op
import sqlalchemy as sa


revision = "0027_remove_legacy_home_modules"
down_revision = "0026_admin_ownership"
branch_labels = None
depends_on = None


LEGACY_TABLES = (
    "DemandForm",
    "DemandFeatureCard",
    "DemandHero",
    "DestinationHero",
    "HomeExperience",
    "VehicleServiceConfig",
)


def upgrade() -> None:
    for table_name in LEGACY_TABLES:
        op.execute(sa.text(f'DROP TABLE IF EXISTS "{table_name}"'))


def downgrade() -> None:
    # The legacy tables were removed from the ORM and contracts. Recreating
    # them on downgrade would produce empty, unsupported modules, so the
    # destructive cleanup intentionally has no reverse operation.
    pass