import assert from 'node:assert/strict';
import {
  applyLendingCommand,
  LENDING_REQUEST,
  lendingSnapshot,
} from './lending-lab-model';

const lost = lendingSnapshot('duplicate', 3).state;
assert.equal(lost.client, 'uncertain');
assert.equal(lost.reservation?.id, 'R-001');

const replayed = lendingSnapshot('duplicate', 6).state;
assert.equal(replayed.client, 'confirmed');
assert.deepEqual(replayed.reservation, lost.reservation);
assert.deepEqual(replayed.outbox, lost.outbox);

const changed = applyLendingCommand(lost, {
  type: 'receive',
  request: { ...LENDING_REQUEST, member: 'member-18' },
});
const rejected = applyLendingCommand(changed, { type: 'commit' });
assert.deepEqual(rejected.reply, { kind: 'key-conflict' });
assert.deepEqual(rejected.reservation, lost.reservation);

const timeout = lendingSnapshot('timeout', 5).state;
assert.equal(timeout.client, 'confirmed');
assert.equal(timeout.outbox?.status, 'uncertain');
console.log('Replay, payload conflict and notification checks passed.');