import type { Pool } from "pg";
/** No runtime DDL: code refuses an incomplete or incorrectly privileged schema. */
export async function assertPublishingSchema(pool: Pool): Promise<void> {
  const result = await pool.query<{ ready: boolean }>(`SELECT
    EXISTS (SELECT 1 FROM schema_migrations WHERE name = '019_publishing_integration.sql')
    AND EXISTS (SELECT 1 FROM information_schema.columns WHERE table_schema = 'public' AND table_name = 'publishing_attempts' AND column_name = 'first_dispatch_started_at')
    AND (SELECT count(*) = 2 AND bool_and(relrowsecurity AND relforcerowsecurity) FROM pg_class WHERE oid IN ('publishing_attempts'::regclass, 'publishing_receipts'::regclass))
    AND NOT EXISTS (SELECT 1 FROM pg_index WHERE indrelid IN ('publishing_attempts'::regclass, 'publishing_receipts'::regclass) AND NOT indisvalid)
    AND current_user = 'sp_app'
    AND NOT EXISTS (SELECT 1 FROM pg_roles WHERE rolname = current_user AND (rolsuper OR rolbypassrls)) AS ready`);
  if (result.rows[0]?.ready !== true) throw new Error("PUBLISHING_SCHEMA_NOT_READY");
}