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

/**
 * 第六十二批回归闸门：抢单状态收紧为「仅待接单可抢」
 */
describe('第六十二批抢单状态闸门', () => {
  const rootDir = path.resolve(__dirname, '../../');
  const repoCode = fs.readFileSync(path.join(rootDir, 'server/src/db/repository.ts'), 'utf-8');
  const mysqlCode = fs.readFileSync(path.join(rootDir, 'server/src/db/mysql.ts'), 'utf-8');

  const claimBlock = () => {
    const start = repoCode.indexOf('async claimOrder(');
    expect(start).toBeGreaterThan(-1);
    return repoCode.slice(start, start + 2600);
  };

  it('仅待接单可抢单（含 CAS 条件）', () => {
    const b = claimBlock();
    expect(b).toContain("String(cur.status) !== '待接单'");
    expect(b).toContain("仅待接单可抢");
    expect(b).toContain("AND status = '待接单'");
  });

  it('抢单池仅含待接单且未认领', () => {
    const start = repoCode.indexOf('async getOrdersPool(');
    const block = repoCode.slice(start, start + 900);
    expect(block).toContain("WHERE status = '待接单'");
  });

  it('种子数据提供一笔待接单用于演示抢单', () => {
    expect(mysqlCode).toContain("'待接单');");
  });
});