"""sac_users table for multi-user UI login

Revision ID: 009
Revises: 008
"""

from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "009"
down_revision: Union[str, None] = "008"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "sac_users",
        sa.Column("id", sa.Integer(), autoincrement=True, nullable=False),
        sa.Column("username", sa.String(length=64), nullable=False),
        sa.Column("password_hash", sa.String(length=128), nullable=False),
        sa.Column("role", sa.String(length=16), nullable=False, server_default="monitor"),
        sa.Column("is_active", sa.Boolean(), nullable=False, server_default=sa.text("true")),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint("username"),
    )
    op.create_index("ix_sac_users_username", "sac_users", ["username"], unique=True)


def downgrade() -> None:
    op.drop_index("ix_sac_users_username", table_name="sac_users")
    op.drop_table("sac_users")