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

/**
 * 第三十六批回归闸门：买家取消订单的状态安全
 */
describe('第三十六批买家取消订单闸门', () => {
  const rootDir = path.resolve(__dirname, '../../');
  const indexCode = fs.readFileSync(path.join(rootDir, 'server/src/index.ts'), 'utf-8');
  const repoCode = fs.readFileSync(path.join(rootDir, 'server/src/db/repository.ts'), 'utf-8');

  it('仓储层提供 buyerCancelOrder 且拒绝已履约订单', () => {
    const start = repoCode.indexOf('async buyerCancelOrder(');
    expect(start).toBeGreaterThan(-1);
    const block = repoCode.slice(start, start + 2600);
    expect(block).toContain('不可直接取消，请发起退款申诉');
    expect(block).toContain("status = \"已退款\", refund_amount");
    expect(block).toContain("'买家取消订单退款'");
  });

  it('取消路由：管理员直改状态，买家走安全取消', () => {
    const start = indexCode.indexOf("app.post('/api/orders/:id/cancel'");
    const block = indexCode.slice(start, start + 1200);
    expect(block).toContain('role.isAdmin');
    expect(block).toContain('repo.buyerCancelOrder(orderId)');
  });
});