'use strict';
const { test } = require('node:test'), assert = require('node:assert/strict'), vm = require('node:vm'), fs = require('node:fs'), path = require('node:path');
test('cloud transport initializes once, preserves subpath/auth, caps timeout and unwraps gateway envelopes', async () => {
  const config = { transport: 'cloud', baseUrl: 'https://skin.example.test', basePath: '/state', cloudAppId: 'cloud-id', cloudEnv: 'online' };
  let initialized = 0, options;
  const cloud = { init: async ({ env }) => { assert.equal(env, 'online'); initialized++; return true; },
    application: { httpRequest: async input => { options = input; return { ok: true, http_status: 200 }; } } };
  const module = { exports: {} };
  vm.runInNewContext(fs.readFileSync(path.join(__dirname, '../utils/transport.js'), 'utf8'), {
    module, Promise, setTimeout, clearTimeout, require(name) { return name === '../config' ? config : { default: cloud }; }
  });
  const transport = module.exports;
  await transport.request('/api/taobao/me', {}, 'token'); await transport.request('/api/taobao/reports', {}, 'token');
  assert.equal(initialized, 1); assert.equal(options.path, '/state/api/taobao/reports');
  assert.equal(options.headers.Authorization, 'Bearer token'); assert.equal(options.exts.timeout, 10000);
  assert.equal(options.exts.cloudAppId, 'cloud-id'); assert.equal(options.exts.domain, config.baseUrl);
  assert.equal(transport.unwrap({ success: true, data: { ok: true } }).ok, true);
  assert.throws(() => transport.unwrap({ success: false, errorMessage: 'gateway rejected' }), /gateway rejected/);
  config.transport = 'direct';
  await assert.rejects(transport.request('/api/taobao/me', {}), /仅用于本机/);
});
test('聚石塔 tower transport omits domain and does not require HTTPS', async () => {
  const config = { transport: 'cloud', cloudType: 'tower', baseUrl: 'http://127.0.0.1:8080', cloudAppId: '', cloudEnv: 'test', basePath: '' };
  let options;
  const cloud = { init: async ({ env }) => { assert.equal(env, 'test'); return true; },
    application: { httpRequest: async input => { options = input; return { success: true, data: { ok: true } }; } } };
  const module = { exports: {} };
  vm.runInNewContext(fs.readFileSync(path.join(__dirname, '../utils/transport.js'), 'utf8'), {
    module, Promise, setTimeout, clearTimeout, require(name) { return name === '../config' ? config : { default: cloud }; }
  });
  const transport = module.exports;
  const data = await transport.request('/api/taobao/ping', {});
  assert.equal(data.ok, true);
  assert.equal(options.path, '/api/taobao/ping');
  assert.equal(options.exts.domain, undefined);
  assert.equal(options.exts.cloudAppId, undefined);
});

const flush = () => new Promise(resolve => setImmediate(resolve));
function timeoutTransport(cloud, config = {}, platform = {}) {
  const timers = [], module = { exports: {} };
  vm.runInNewContext(fs.readFileSync(path.join(__dirname, '../utils/transport.js'), 'utf8'), {
    module, Promise, my: platform,
    setTimeout(fn, ms) { const timer = { fn, ms, active: true }; timers.push(timer); return timer; },
    clearTimeout(timer) { timer.active = false; },
    require(name) { return name === '../config' ? { transport: 'cloud', cloudType: 'tower', basePath: '', cloudEnv: 'test', ...config } : { default: cloud }; }
  });
  return { transport: module.exports, timers, expire(ms) {
    const timer = timers.find(value => value.active && value.ms === ms);
    assert(timer, 'expected active timeout ' + ms); timer.active = false; timer.fn();
  } };
}

test('a hanging cloud initialization times out, permits retry and ignores its late result', async () => {
  let finishOld, initialized = 0, requests = 0;
  const f = timeoutTransport({ init: () => ++initialized === 1 ? new Promise(resolve => { finishOld = resolve; }) : Promise.resolve(true),
    application: { httpRequest: async () => { requests++; return { ok: true }; } } });
  const pending = f.transport.request('/api/taobao/analysis', {});
  const rejected = assert.rejects(pending, error => error.code === 'CLOUD_INIT_TIMEOUT');
  await flush(); f.expire(15000); await rejected;
  assert.equal(requests, 0);
  assert.equal((await f.transport.request('/api/taobao/analysis', {})).ok, true);
  finishOld(false); await flush();
  assert.equal((await f.transport.request('/api/taobao/analysis', {})).ok, true);
  assert.equal(initialized, 2); assert.equal(requests, 2);
  assert(!f.timers.some(timer => timer.active));
});

test('a hanging cloud request is bounded independently of SDK timeout and does not poison later polling', async () => {
  let finishOld, requests = 0, initialized = 0;
  const f = timeoutTransport({ init: async () => { initialized++; return true; }, application: {
    httpRequest: () => ++requests === 1 ? new Promise(resolve => { finishOld = resolve; }) : Promise.resolve({ ok: true, status: 'complete' })
  } });
  const pending = f.transport.request('/api/taobao/analysis', { job: 'original-job' });
  const rejected = assert.rejects(pending, error => error.code === 'REQUEST_TIMEOUT');
  await flush(); f.expire(12000); await rejected;
  const result = await f.transport.request('/api/taobao/analysis', { job: 'original-job' });
  assert.equal(result.status, 'complete'); assert.equal(initialized, 1);
  finishOld({ ok: true, status: 'obsolete' }); await flush();
  assert.equal(result.status, 'complete'); assert(!f.timers.some(timer => timer.active));
});

test('a direct request with no native callback times out and a late callback cannot complete it again', async () => {
  const calls = [];
  const f = timeoutTransport(null, { transport: 'direct', baseUrl: 'http://127.0.0.1:18180' }, {
    request(options) { calls.push(options); }
  });
  const pending = f.transport.request('/api/taobao/analysis', {});
  const rejected = assert.rejects(pending, error => error.code === 'REQUEST_TIMEOUT');
  await flush(); f.expire(12000); await rejected;
  const retry = f.transport.request('/api/taobao/analysis', {}); await flush();
  calls[0].success({ status: 200, data: { ok: true, obsolete: true } });
  calls[1].success({ status: 200, data: { ok: true, current: true } });
  assert.equal((await retry).current, true); assert(!f.timers.some(timer => timer.active));
});