"""A target can take its token from another plugin's sign-in

Revision ID: prometheus_004_token_from
Revises: prometheus_003_refused
Create Date: 2026-11-01
"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "prometheus_004_token_from"
down_revision: Union[str, None] = "prometheus_003_refused"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("prometheus_targets", sa.Column("token_from", sa.String(50), nullable=True))


def downgrade() -> None:
    op.drop_column("prometheus_targets", "token_from")