"""Add favorites table

Revision ID: 65b646c357d7
Revises: cfd40e381ba3
Create Date: 2026-06-30 00:36:20.960827

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '65b646c357d7'
down_revision = 'cfd40e381ba3'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('favorites',
    sa.Column('user_id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), nullable=False),
    sa.Column('listing_id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), nullable=False),
    sa.Column('id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), autoincrement=True, nullable=False),
    sa.Column('public_id', sa.CHAR(length=36), nullable=False),
    sa.Column('created_at', sa.DateTime(), nullable=False),
    sa.ForeignKeyConstraint(['listing_id'], ['listings.id'], ),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('public_id'),
    sa.UniqueConstraint('user_id', 'listing_id', name='uq_favorites_user_listing')
    )
    with op.batch_alter_table('favorites', schema=None) as batch_op:
        batch_op.create_index(batch_op.f('ix_favorites_listing_id'), ['listing_id'], unique=False)
        batch_op.create_index(batch_op.f('ix_favorites_user_id'), ['user_id'], unique=False)

    # ### end Alembic commands ###


def downgrade():
    # Dropping the table removes its indexes and foreign keys together.
    # (On MySQL, dropping an FK-backing index first fails with errno 1553.)
    op.drop_table('favorites')