from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "005_add_details_fetched_at"
down_revision: Union[str, None] = "004_add_car_seen_sold_timestamps"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column(
        "MOBILEDE_cars",
        sa.Column("details_fetched_at", sa.DateTime(timezone=True), nullable=True),
    )
    op.create_index(
        "ix_MOBILEDE_cars_details_fetched_at",
        "MOBILEDE_cars",
        ["details_fetched_at"],
    )


def downgrade() -> None:
    op.drop_index("ix_MOBILEDE_cars_details_fetched_at", table_name="MOBILEDE_cars")
    op.drop_column("MOBILEDE_cars", "details_fetched_at")