import { INIT_AGENTPRINTER } from '../schema.js';

/**
 * Schema 3 → 4 (SQLite):
 * - Drops clientstate, clientmodel, clientserial from printeragent
 * - Adds enabled to printeragent
 * - Creates agentprinter table
 * @param {{ exec: (sql: string) => void, assertVersion: (v: number) => Promise<void>, setVersion: (v: number) => Promise<void> }} ctx
 */
export default async function upgrade({ exec, assertVersion, setVersion }) {
  await assertVersion(3);

  try {
    exec(`ALTER TABLE printeragent DROP COLUMN clientstate;`);
  } catch {}
  try {
    exec(`ALTER TABLE printeragent DROP COLUMN clientmodel;`);
  } catch {}
  try {
    exec(`ALTER TABLE printeragent DROP COLUMN clientserial;`);
  } catch {}
  try {
    exec(`ALTER TABLE printeragent ADD COLUMN enabled INTEGER NOT NULL DEFAULT 1;`);
  } catch {}

  exec(INIT_AGENTPRINTER);

  await setVersion(4);
}