"""Add granular flight states and timestamps

Revision ID: 8adefaee847c
Revises: 004_user_aircraft
Create Date: 2026-03-24 09:09:00.944815

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '005_flight_states'
down_revision = '004_user_aircraft'
branch_labels = None
depends_on = None


def upgrade() -> None:
    # Add GROUND and LOCAL to local_flights status enum
    op.execute("ALTER TABLE local_flights MODIFY COLUMN status ENUM('BOOKED_OUT','GROUND','DEPARTED','LOCAL','CIRCUIT','LANDED','CANCELLED')")
    
    # Add timestamp columns to local_flights
    op.add_column('local_flights', sa.Column('contact_dt', sa.DateTime(), nullable=True))
    op.add_column('local_flights', sa.Column('takeoff_dt', sa.DateTime(), nullable=True))
    
    # Add GROUND and ARRIVED to arrivals status enum
    op.execute("ALTER TABLE arrivals MODIFY COLUMN status ENUM('BOOKED_IN','LANDED','GROUND','ARRIVED','CANCELLED')")
    
    # Add timestamp column to arrivals
    op.add_column('arrivals', sa.Column('arrived_dt', sa.DateTime(), nullable=True))
    
    # Add GROUND and LOCAL to departures status enum
    op.execute("ALTER TABLE departures MODIFY COLUMN status ENUM('BOOKED_OUT','GROUND','DEPARTED','LOCAL','CANCELLED')")
    
    # Add timestamp columns to departures
    op.add_column('departures', sa.Column('contact_dt', sa.DateTime(), nullable=True))
    op.add_column('departures', sa.Column('takeoff_dt', sa.DateTime(), nullable=True))


def downgrade() -> None:
    # Remove timestamp columns from departures
    op.drop_column('departures', 'takeoff_dt')
    op.drop_column('departures', 'contact_dt')
    
    # Remove GROUND and LOCAL from departures status enum
    op.execute("ALTER TABLE departures MODIFY COLUMN status ENUM('BOOKED_OUT','DEPARTED','CANCELLED')")
    
    # Remove timestamp column from arrivals
    op.drop_column('arrivals', 'arrived_dt')
    
    # Remove GROUND and ARRIVED from arrivals status enum
    op.execute("ALTER TABLE arrivals MODIFY COLUMN status ENUM('BOOKED_IN','LANDED','CANCELLED')")
    
    # Remove timestamp columns from local_flights
    op.drop_column('local_flights', 'takeoff_dt')
    op.drop_column('local_flights', 'contact_dt')
    
    # Remove GROUND and LOCAL from local_flights status enum
    op.execute("ALTER TABLE local_flights MODIFY COLUMN status ENUM('BOOKED_OUT','DEPARTED','LANDED','CANCELLED')")