"""add presence columns to users

Revision ID: 2a9b9873244a
Revises: 0001_initial
Create Date: 2026-08-18 15:59:09.298919
"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '2a9b9873244a'
down_revision: Union[str, None] = '0001_initial'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Add last_seen_at and status_message columns to users table."""
    op.add_column('users', sa.Column('last_seen_at', sa.DateTime(timezone=True), nullable=True))
    op.add_column('users', sa.Column('status_message', sa.Text(), nullable=True))


def downgrade() -> None:
    """Remove presence columns from users table."""
    op.drop_column('users', 'status_message')
    op.drop_column('users', 'last_seen_at')