"""demo plugin: a user-owned note table with RLS (skeleton for SPEC §11.1 tests)

Revision ID: demo0001
Revises:
Create Date: 2026-07-26
"""

from __future__ import annotations

from collections.abc import Sequence

from alembic import op

from app.plugins.rls import enable_rls

revision: str = "demo0001"
down_revision: str | None = None
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.execute(
        "CREATE TABLE plg_demo_note ("
        "id uuid PRIMARY KEY DEFAULT gen_random_uuid(), "
        "user_id uuid NOT NULL, "
        "body text NOT NULL DEFAULT '')"
    )
    # Per-user isolation enforced by Postgres (SPEC §11.1); every plg_ user-data
    # table calls this right after creation.
    enable_rls("plg_demo_note")


def downgrade() -> None:
    op.execute("DROP TABLE IF EXISTS plg_demo_note")