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

/**
 * 第九十八批：后台人工调整余额。
 * 背景：测试与运营需要给用户钱包充值/扣减，但后台没有入口，只能改库。
 * 要求：必须管理员权限、事务锁行、禁止扣成负数、写财务流水。
 */
describe('第九十八批后台余额调整闸门', () => {
  const root = path.resolve(__dirname, '../../');
  const read = (rel: string) => fs.readFileSync(path.join(root, rel), 'utf-8');
  const indexCode = read('server/src/index.ts');
  const repo = read('server/src/db/repository.ts');
  const adminPage = read('admin/arco-design-pro-vite/src/views/user/list/index.vue');

  it('接口必须要求管理员权限', () => {
    expect(indexCode).toContain("app.post('/api/admin/users/:id/balance', requireAdmin");
    expect(indexCode).toContain('adjustUserBalance');
  });

  it('仓储层必须锁行、校验负数并写财务流水', () => {
    const start = repo.indexOf('async adjustUserBalance(');
    expect(start).toBeGreaterThan(-1);
    const block = repo.slice(start, start + 3200);
    expect(block).toContain('FOR UPDATE');
    expect(block).toContain('余额不足');
    expect(block).toContain('后台余额充值');
    expect(block).toContain('后台余额扣减');
    expect(block).toContain('INSERT INTO finance_records');
  });

  it('后台用户列表必须提供「调余额」入口与弹窗', () => {
    expect(adminPage).toContain('openBalanceModal');
    expect(adminPage).toContain('balanceModalVisible');
    expect(adminPage).toContain('/api/admin/users/${balanceTarget.value.id}/balance');
    expect(adminPage).toContain('调整用户钱包余额');
  });

  it('后台判断接口成功必须读取 interceptor 解包后的 res.code，禁止误判 res.data.code', () => {
    expect(adminPage).toContain('res && res.code === 20000');
    const adminRoot = path.resolve(root, 'admin/arco-design-pro-vite/src');
    const offenders: string[] = [];
    const walk = (dir: string) => {
      for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
        const full = path.join(dir, entry.name);
        if (entry.isDirectory()) walk(full);
        else if (entry.name.endsWith('.vue') || entry.name.endsWith('.ts')) {
          const text = fs.readFileSync(full, 'utf-8');
          if (text.includes('.data.code === 20000')) offenders.push(path.relative(adminRoot, full));
        }
      }
    };
    walk(adminRoot);
    expect(offenders).toEqual([]);
  });
});