"""reviews table (Phase 7)

Revision ID: b7f3c9a2d451
Revises: 482a73a8c5bb
Create Date: 2026-07-13 17:30:00.000000

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = 'b7f3c9a2d451'
down_revision = '482a73a8c5bb'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('reviews',
    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('author_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('rating', sa.SmallInteger(), nullable=False),
    sa.Column('body', sa.Text(), nullable=True),
    sa.Column('created_at', sa.DateTime(), nullable=False),
    sa.ForeignKeyConstraint(['listing_id'], ['listings.id'], ),
    sa.ForeignKeyConstraint(['author_id'], ['users.id'], ),
    sa.ForeignKeyConstraint(['seller_id'], ['users.id'], ),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('listing_id', 'author_id', name='uq_review_listing_author'),
    sa.CheckConstraint('rating BETWEEN 1 AND 5', name='ck_review_rating')
    )
    with op.batch_alter_table('reviews', schema=None) as batch_op:
        batch_op.create_index(batch_op.f('ix_reviews_listing_id'), ['listing_id'], unique=False)
        batch_op.create_index(batch_op.f('ix_reviews_author_id'), ['author_id'], unique=False)
        batch_op.create_index(batch_op.f('ix_reviews_seller_id'), ['seller_id'], unique=False)

    # ### end Alembic commands ###


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

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