"""add favorites table

Revision ID: 247c26a69e33
Revises: 92815e03f343
Create Date: 2026-06-15 16:53:53.086035

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '247c26a69e33'
down_revision = '92815e03f343'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('conversations',
    sa.Column('id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), autoincrement=True, nullable=False),
    sa.Column('listing_id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), nullable=False),
    sa.Column('buyer_id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), nullable=False),
    sa.Column('seller_id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), nullable=False),
    sa.Column('last_message_at', sa.DateTime(), nullable=True),
    sa.Column('created_at', sa.DateTime(), nullable=False),
    sa.ForeignKeyConstraint(['buyer_id'], ['users.id'], ),
    sa.ForeignKeyConstraint(['listing_id'], ['listings.id'], ),
    sa.ForeignKeyConstraint(['seller_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('listing_id', 'buyer_id', name='uq_conv_listing_buyer')
    )
    with op.batch_alter_table('conversations', schema=None) as batch_op:
        batch_op.create_index(batch_op.f('ix_conversations_buyer_id'), ['buyer_id'], unique=False)
        batch_op.create_index(batch_op.f('ix_conversations_last_message_at'), ['last_message_at'], unique=False)
        batch_op.create_index(batch_op.f('ix_conversations_listing_id'), ['listing_id'], unique=False)
        batch_op.create_index(batch_op.f('ix_conversations_seller_id'), ['seller_id'], unique=False)

    op.create_table('favorites',
    sa.Column('id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), autoincrement=True, nullable=False),
    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('created_at', sa.DateTime(), nullable=False),
    sa.ForeignKeyConstraint(['listing_id'], ['listings.id'], ),
    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('user_id', 'listing_id', name='uq_fav_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)

    op.create_table('messages',
    sa.Column('id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), autoincrement=True, nullable=False),
    sa.Column('conversation_id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), nullable=False),
    sa.Column('sender_id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), nullable=False),
    sa.Column('body', sa.Text(), nullable=False),
    sa.Column('read_at', sa.DateTime(), nullable=True),
    sa.Column('created_at', sa.DateTime(), nullable=False),
    sa.ForeignKeyConstraint(['conversation_id'], ['conversations.id'], ),
    sa.ForeignKeyConstraint(['sender_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    with op.batch_alter_table('messages', schema=None) as batch_op:
        batch_op.create_index(batch_op.f('ix_messages_conversation_id'), ['conversation_id'], unique=False)

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('messages', schema=None) as batch_op:
        batch_op.drop_index(batch_op.f('ix_messages_conversation_id'))

    op.drop_table('messages')
    with op.batch_alter_table('favorites', schema=None) as batch_op:
        batch_op.drop_index(batch_op.f('ix_favorites_user_id'))
        batch_op.drop_index(batch_op.f('ix_favorites_listing_id'))

    op.drop_table('favorites')
    with op.batch_alter_table('conversations', schema=None) as batch_op:
        batch_op.drop_index(batch_op.f('ix_conversations_seller_id'))
        batch_op.drop_index(batch_op.f('ix_conversations_listing_id'))
        batch_op.drop_index(batch_op.f('ix_conversations_last_message_at'))
        batch_op.drop_index(batch_op.f('ix_conversations_buyer_id'))

    op.drop_table('conversations')
    # ### end Alembic commands ###