"""Add movements table

Revision ID: 006_movements
Revises: 005_flight_states
Create Date: 2026-04-03 12:00:00.000000

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy import Enum


# revision identifiers, used by Alembic.
revision = '006_movements'
down_revision = '005_flight_states'
branch_labels = None
depends_on = None


def upgrade() -> None:
    # Create movements table
    op.create_table('movements',
        sa.Column('id', sa.BigInteger(), autoincrement=True, nullable=False),
        sa.Column('movement_type', sa.Enum('TAKEOFF', 'LANDING', 'OVERFLIGHT', 'GO_AROUND', 'TOUCH_AND_GO', name='movementtype'), nullable=False),
        sa.Column('aircraft_registration', sa.String(length=16), nullable=False),
        sa.Column('aircraft_type', sa.String(length=32), nullable=True),
        sa.Column('callsign', sa.String(length=16), nullable=True),
        sa.Column('timestamp', sa.DateTime(), nullable=False),
        sa.Column('entity_type', sa.String(length=50), nullable=False),
        sa.Column('entity_id', sa.BigInteger(), nullable=False),
        sa.Column('to_location', sa.String(length=64), nullable=True),
        sa.Column('from_location', sa.String(length=64), nullable=True),
        sa.Column('runway', sa.String(length=10), nullable=True),
        sa.Column('wind', sa.String(length=20), nullable=True),
        sa.Column('pressure_setting', sa.String(length=20), nullable=True),
        sa.Column('created_by', sa.String(length=16), nullable=True),
        sa.Column('ip_address', sa.String(length=45), nullable=True),
        sa.Column('notes', sa.String(length=255), nullable=True),
        sa.Column('created_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
        sa.PrimaryKeyConstraint('id')
    )
    
    # Create indexes
    op.create_index('idx_movement_lookup', 'movements', ['entity_type', 'entity_id'], unique=False)
    op.create_index('idx_movement_time', 'movements', ['timestamp', 'movement_type'], unique=False)
    op.create_index('ix_movements_movement_type', 'movements', ['movement_type'], unique=False)
    op.create_index('ix_movements_aircraft_registration', 'movements', ['aircraft_registration'], unique=False)
    op.create_index('ix_movements_timestamp', 'movements', ['timestamp'], unique=False)
    op.create_index('ix_movements_entity_type', 'movements', ['entity_type'], unique=False)
    op.create_index('ix_movements_created_by', 'movements', ['created_by'], unique=False)


def downgrade() -> None:
    # Drop indexes
    op.drop_index('ix_movements_created_by', table_name='movements')
    op.drop_index('ix_movements_entity_type', table_name='movements')
    op.drop_index('ix_movements_timestamp', table_name='movements')
    op.drop_index('ix_movements_aircraft_registration', table_name='movements')
    op.drop_index('ix_movements_movement_type', table_name='movements')
    op.drop_index('idx_movement_time', table_name='movements')
    op.drop_index('idx_movement_lookup', table_name='movements')
    
    # Drop table
    op.drop_table('movements')
    
    # Drop enum
    op.execute("DROP TYPE IF EXISTS movementtype")