"""add soft delete to users

Revision ID: 033
Revises: 032
Create Date: 2026-02-12

Adds deleted_at and deleted_by columns to users table for soft delete (archive).
"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import UUID


# revision identifiers, used by Alembic.
revision: str = '033'
down_revision: Union[str, None] = '032'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column('users', sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True))
    op.add_column('users', sa.Column('deleted_by', UUID(as_uuid=True), sa.ForeignKey('users.id'), nullable=True))
    op.create_index('ix_users_deleted_at', 'users', ['deleted_at'])


def downgrade() -> None:
    op.drop_index('ix_users_deleted_at', table_name='users')
    op.drop_column('users', 'deleted_by')
    op.drop_column('users', 'deleted_at')