'use strict';

const assert = require('assert');
const { _private } = require('../src/services/openai_oauth_service');

function jwt(payload) {
  const header = Buffer.from(JSON.stringify({ alg: 'none' })).toString('base64url');
  const body = Buffer.from(JSON.stringify(payload)).toString('base64url');
  return `${header}.${body}.signature`;
}

function createMockPage(responses) {
  let currentUrl = 'https://auth.openai.com/oauth/token';
  const requests = [];
  return {
    requests,
    url: () => currentUrl,
    goto: async url => {
      currentUrl = url;
      return null;
    },
    evaluate: async (_fn, payload) => {
      requests.push(payload);
      const response = responses.find(item => (
        typeof item.match === 'string'
          ? payload.targetUrl.startsWith(item.match)
          : item.match(payload)
      ));
      if (!response) throw new Error(`未配置模拟响应：${payload.targetUrl}`);
      return typeof response.reply === 'function' ? response.reply(payload) : response.reply;
    },
  };
}

(async () => {
  const selected = _private.selectChatGPTAccountInfo({
    accounts: {
      expired: {
        account: { account_id: 'expired', plan_type: 'plus', is_default: true },
        entitlement: { expires_at: '2020-01-01T00:00:00.000Z' },
      },
      free: {
        account: { account_id: 'free', plan_type: 'free' },
        entitlement: { expires_at: '2099-01-01T00:00:00.000Z' },
      },
      paid: {
        account: { account_id: 'paid', plan_type: 'team' },
        entitlement: { expires_at: '2099-06-01T00:00:00.000Z' },
      },
    },
  }, 'paid', Date.parse('2026-01-01T00:00:00.000Z'));
  assert.strictEqual(selected.account_id, 'paid');
  assert.strictEqual(selected.plan_type, 'team');

  const oldRefreshToken = 'refresh-old';
  const refreshedAccessToken = jwt({
    exp: Math.floor(Date.now() / 1000) + 3600,
    email: 'user@gmail.com',
    'https://api.openai.com/auth': {
      user_id: 'user-1',
      chatgpt_account_id: 'account-1',
    },
  });
  const page = createMockPage([
    {
      match: 'https://auth.openai.com/oauth/token',
      reply: {
        ok: true,
        status: 200,
        data: {
          access_token: refreshedAccessToken,
          id_token: jwt({ sub: 'user-1', email: 'user@gmail.com' }),
          token_type: 'Bearer',
          expires_in: 3600,
        },
      },
    },
    {
      match: _private.CHATGPT_ACCOUNTS_CHECK_URL,
      reply: {
        ok: true,
        status: 200,
        data: {
          accounts: {
            'account-1': {
              account: {
                account_id: 'account-1',
                email: 'user@gmail.com',
                plan_type: 'plus',
                is_default: true,
              },
              entitlement: { expires_at: '2027-01-01T00:00:00.000Z' },
            },
          },
        },
      },
    },
    {
      match: _private.CHATGPT_USAGE_URL,
      reply: {
        ok: true,
        status: 200,
        data: {
          account_id: 'account-1',
          email: 'user@gmail.com',
          plan_type: 'plus',
          rate_limit: {
            allowed: true,
            limit_reached: false,
            primary_window: { used_percent: 25, reset_at: 1800000000 },
          },
          unrelated_large_field: 'must not be stored',
        },
      },
    },
    {
      match: _private.CHATGPT_SUBSCRIPTIONS_URL,
      reply: {
        ok: true,
        status: 200,
        data: {
          id: 'sub-1',
          plan_type: 'plus',
          active_until: '2027-02-01T00:00:00.000Z',
          will_renew: true,
        },
      },
    },
  ]);

  const authJson = {
    access_token: jwt({
      exp: Math.floor(Date.now() / 1000) - 3600,
      email: 'user@gmail.com',
      'https://api.openai.com/auth': { chatgpt_account_id: 'account-1' },
    }),
    refresh_token: oldRefreshToken,
    id_token: jwt({ sub: 'user-1', email: 'user@gmail.com' }),
    expires_at: '2020-01-01T00:00:00.000Z',
    tokens: { refresh_token: oldRefreshToken, account_id: 'account-1' },
  };
  const logs = [];
  const enriched = await _private.enrichOpenAIAuthJson(page, authJson, message => logs.push(message));

  assert.strictEqual(enriched.access_token, refreshedAccessToken);
  assert.strictEqual(enriched.refresh_token, oldRefreshToken, '刷新接口不返回新 RT 时必须保留旧 RT');
  assert.strictEqual(enriched.tokens.refresh_token, oldRefreshToken);
  assert.strictEqual(enriched.chatgpt_account_id, 'account-1');
  assert.strictEqual(enriched.plan_type, 'plus');
  assert.strictEqual(enriched.subscription_expires_at, '2027-02-01T00:00:00.000Z');
  assert.strictEqual(enriched.usage.rate_limit.primary_window.used_percent, 25);
  assert.strictEqual(enriched.usage.unrelated_large_field, undefined);
  assert.strictEqual(enriched.subscription.will_renew, true);
  assert.ok(enriched.usage_fetched_at);
  assert.ok(enriched.account_info_fetched_at);
  assert.ok(logs.some(message => message.includes('正在使用 refresh_token 刷新')));
  assert.ok(logs.some(message => message.includes('主窗口已用 25%')));

  const refreshRequest = page.requests.find(item => item.targetUrl === 'https://auth.openai.com/oauth/token');
  assert.strictEqual(refreshRequest.form.grant_type, 'refresh_token');
  assert.strictEqual(refreshRequest.form.refresh_token, oldRefreshToken);
  const usageRequest = page.requests.find(item => item.targetUrl === _private.CHATGPT_USAGE_URL);
  assert.strictEqual(usageRequest.headers['ChatGPT-Account-Id'], 'account-1');
  assert.strictEqual(usageRequest.headers['OpenAI-Beta'], 'codex-1');

  const failingPage = createMockPage([]);
  failingPage.goto = async url => { throw new Error(`无法访问 ${url}`); };
  const original = { access_token: 'still-save-me', refresh_token: 'refresh-1' };
  const fallback = await _private.enrichOpenAIAuthJson(failingPage, original, () => {});
  assert.strictEqual(fallback.access_token, original.access_token, '附加查询失败不能影响 Token 保存');

  console.log('openai_auth_account_details.test.js passed');
})().catch(error => {
  console.error(error);
  process.exitCode = 1;
});