"""add hostname column to servers

Revision ID: 0011_server_hostname
Revises: 0010_server_live_state
Create Date: 2026-05-13
"""
from __future__ import annotations

from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op


revision: str = "0011_server_hostname"
down_revision: Union[str, Sequence[str], None] = "0010_server_live_state"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    with op.batch_alter_table("servers") as batch_op:
        batch_op.add_column(
            sa.Column("hostname", sa.String(length=128), nullable=False, server_default="")
        )


def downgrade() -> None:
    with op.batch_alter_table("servers") as batch_op:
        batch_op.drop_column("hostname")