import type { DatabaseSync } from "node:sqlite";

// Drops the legacy is_admin column now that `role` is the single source of
// truth. Idempotent: skips when the column is already gone (fresh databases
// created from schema.sql never had it). Must run after 0004 has backfilled.
export function up(db: DatabaseSync): void {
  const userCols = db.prepare(`PRAGMA table_info(users);`).all() as {
    name: string;
  }[];
  if (userCols.some((c) => c.name === "is_admin")) {
    db.exec(`ALTER TABLE users DROP COLUMN is_admin;`);
  }
}