'use strict';

// 不依赖淘宝 IDE 的本地契约测试：
// 用 Node 模拟 my.request，加载真实的 utils/transport.js，直连 Java 后端。
// 运行前先启动 backend-java，然后：node scripts/mvp-local-check.cjs

const http = require('node:http');
const fs = require('node:fs');
const path = require('node:path');
const vm = require('node:vm');
const assert = require('node:assert/strict');

const BASE = process.env.MVP_BASE_URL || 'http://127.0.0.1:8080';
const config = {
  environment: 'development',
  transport: 'direct',
  baseUrl: BASE,
  assetBase: BASE + '/assets/',
  cloudAppId: '',
  cloudEnv: 'test',
  basePath: '',
  mock: false
};

function httpRequest(url, options, body) {
  return new Promise((resolve, reject) => {
    const req = http.request(url, options, (res) => {
      const chunks = [];
      res.on('data', (chunk) => chunks.push(chunk));
      res.on('end', () => {
        const text = Buffer.concat(chunks).toString('utf8');
        let data;
        try {
          data = JSON.parse(text);
        } catch (e) {
          reject(new Error('non-JSON response: ' + text.slice(0, 200)));
          return;
        }
        resolve({ status: res.statusCode, statusCode: res.statusCode, data });
      });
    });
    req.on('error', reject);
    req.end(body);
  });
}

const my = {
  request(options) {
    httpRequest(options.url, { method: options.method, headers: options.headers }, options.data)
      .then((res) => options.success(res))
      .catch((err) => options.fail(err));
  }
};

const transportModule = { exports: {} };
vm.runInNewContext(fs.readFileSync(path.join(__dirname, '../utils/transport.js'), 'utf8'), {
  module: transportModule,
  Promise,
  my,
  require(name) {
    return name === '../config' ? config : {};
  }
});

const transport = transportModule.exports;

(async () => {
  const ping = await transport.request('/api/taobao/ping', {});
  assert.equal(ping.server, 'java', 'ping.server should be java');
  assert.equal(ping.pong, true, 'ping.pong should be true');

  const echo = await transport.request('/api/taobao/echo', { hello: 'mvp' });
  assert.equal(echo.body.hello, 'mvp', 'echo.body.hello should round-trip');

  const whoami = await transport.request('/api/taobao/whoami', {});
  assert.equal(whoami.ok, true, 'whoami.ok should be true');

  console.log('PASS');
  console.log(JSON.stringify({ ping, echo, whoami }, null, 2));
})().catch((err) => {
  console.error('FAIL:', err && err.stack ? err.stack : err);
  process.exit(1);
});