"""add user_permissions table

Revision ID: a1b2c3d4e5f6
Revises:
Create Date: 2026-03-26 00:00:00.000000
"""
from alembic import op
import sqlalchemy as sa

revision = 'a1b2c3d4e5f6'
down_revision = None  # will be auto-chained by alembic
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        'user_permissions',
        sa.Column('id', sa.Integer(), primary_key=True),
        sa.Column('user_id', sa.Integer(), sa.ForeignKey('users.id', ondelete='CASCADE'), nullable=False),
        sa.Column('module', sa.String(50), nullable=False),
        sa.Column('can_access', sa.Boolean(), nullable=False, server_default='true'),
        sa.UniqueConstraint('user_id', 'module', name='uq_user_module'),
    )
    op.create_index('ix_user_permissions_user_id', 'user_permissions', ['user_id'])


def downgrade() -> None:
    op.drop_index('ix_user_permissions_user_id', 'user_permissions')
    op.drop_table('user_permissions')