'use strict';

const assert = require('node:assert/strict');
const crypto = require('node:crypto');
const test = require('node:test');

const {
  buildYydNotificationSignature,
  validateNotificationPayload,
} = require('../src/services/yydNotificationCenterClient');

test('notification center signature follows the documented canonical request', () => {
  const rawBody = JSON.stringify({ title: '测试' });
  const bodyHash = crypto.createHash('sha256').update(rawBody, 'utf8').digest('hex');
  const canonical = `1789092000\n0123456789abcdef\nPOST\n/v1/notifications\n${bodyHash}`;
  const expected = crypto.createHmac('sha256', 'project-secret').update(canonical, 'utf8').digest('hex');

  assert.equal(buildYydNotificationSignature({
    projectSecret: 'project-secret',
    timestamp: '1789092000',
    nonce: '0123456789abcdef',
    rawBody,
  }), expected);
});

test('notification payload requires exactly one recipient identity', () => {
  const base = { idempotencyKey: 'event:1:v1', title: '到期提醒', content: '请替换' };
  assert.throws(() => validateNotificationPayload(base), /必须且只能/);
  assert.throws(() => validateNotificationPayload({
    ...base,
    recipientAlias: '苏适',
    recipientUserId: 'ding-user-id',
  }), /必须且只能/);
  assert.deepEqual(validateNotificationPayload({ ...base, recipientAlias: '苏适' }), {
    ...base,
    recipientAlias: '苏适',
  });
});