"""add presence columns to users

Revision ID: 0006_add_presence_columns
Revises: 0005_add_world_content_tables
Create Date: 2026-09-14 00:00:00.000000

Ported forward from the orphaned agent/dd2a126b57a1 branch (originally
2a9b9873244a_add_presence_columns.py, down_revision 0001_initial) and
rebased onto the current migration head. See app/services/presence.py /
app/routers/presence.py.
"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

# revision identifiers, used by Alembic.
revision: str = "0006_add_presence_columns"
down_revision: Union[str, None] = "0005_add_world_content_tables"
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")