// 已读取AGENTS.md
import * as fs from 'fs';
import * as path from 'path';

/**
 * 第七十八批：优惠券中心（领取）+ 我的券 + 下单核销/回退。
 */
describe('第七十八批优惠券中心闸门', () => {
  const root = path.resolve(__dirname, '../../');
  const indexCode = fs.readFileSync(path.join(root, 'server/src/index.ts'), 'utf-8');
  const repo = fs.readFileSync(path.join(root, 'server/src/db/repository.ts'), 'utf-8');
  const mysql = fs.readFileSync(path.join(root, 'server/src/db/mysql.ts'), 'utf-8');
  const api = fs.readFileSync(path.join(root, 'pwuniapp/common/api.js'), 'utf-8');
  const pagesJson = fs.readFileSync(path.join(root, 'pwuniapp/pages.json'), 'utf-8');
  const userPage = fs.readFileSync(path.join(root, 'pwuniapp/pages/user/index.vue'), 'utf-8');
  const createPage = fs.readFileSync(path.join(root, 'pwuniapp/pages/order/create.vue'), 'utf-8');

  it('建表与仓储具备用户券能力', () => {
    expect(mysql).toContain('CREATE TABLE IF NOT EXISTS user_coupons');
    expect(mysql).toContain('ALTER TABLE orders ADD COLUMN user_coupon_id');
    expect(repo).toContain('async claimCoupon(');
    expect(repo).toContain('async getUserCoupons(');
    expect(repo).toContain('async resolveUserCoupon(');
    expect(repo).toContain('async releaseCouponWithConn(');
  });

  it('领取/我的券接口就绪，券中心带已领取标记', () => {
    expect(indexCode).toContain("app.post('/api/marketing/coupons/:id/claim'");
    expect(indexCode).toContain("app.get('/api/marketing/my-coupons'");
    expect(indexCode).toContain('getCouponsWithClaimed');
  });

  it('下单支持"我的券"并占用，退款/取消回退', () => {
    expect(repo).toContain('resolveUserCoupon(String(data.userCouponId)');
    expect(repo).toContain("WHERE id = ? AND status = 'UNUSED'");
    expect((repo.match(/releaseCouponWithConn\(/g) || []).length).toBeGreaterThanOrEqual(4);
  });

  it('小程序具备券中心页面与下单用券', () => {
    expect(pagesJson).toContain('pages/user/coupons');
    expect(api).toContain('export async function claimCoupon(');
    expect(api).toContain('export async function getMyCoupons(');
    expect(userPage).toContain('openCoupons');
    expect(createPage).toContain('userCouponId');
  });
});