"""add vehicle_type to vehicles

Revision ID: 003_vehicle_type
Revises: 002_parser_corrections
Create Date: 2026-06-26

"""

from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "003_vehicle_type"
down_revision: Union[str, None] = "002_parser_corrections"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("vehicles", sa.Column("vehicle_type", sa.String(length=50), nullable=True))
    op.create_index("ix_vehicles_vehicle_type", "vehicles", ["vehicle_type"])


def downgrade() -> None:
    op.drop_index("ix_vehicles_vehicle_type", table_name="vehicles")
    op.drop_column("vehicles", "vehicle_type")