(function (root, factory) {
  // 全局配置同时支持浏览器页面和 Node 测试。
  if (typeof module === 'object' && module.exports) {
    module.exports = factory;
    return;
  }

  root.GenealogyConfig = factory(root);
})(typeof globalThis !== 'undefined' ? globalThis : window, function (root) {
  'use strict';

  var DEFAULT_ENV = 'development';
  var API_BASE_URLS = {
    development: 'http://test-genealogy-api.ddxcjp.cn',
    production: ''
  };
  var TEST_API_HTTP_URL = 'http://test-genealogy-api.ddxcjp.cn';
  var TEST_API_HTTPS_URL = 'https://test-genealogy-api.ddxcjp.cn';
  var CLIENT_ID = 'ced7e5f0498645c6ec642dcf450b036f';
  var TENANT_ID = '000000';
  var TOKEN_KEY = 'genealogy_auth_token';
  var TOKEN_HEADER_NAME = 'Authorization';
  var ENV_KEY = 'genealogy_env';
  var BASE_URL_KEY = 'genealogy_api_base_url';

  function readStorage(key) {
    try {
      return root.localStorage && root.localStorage.getItem(key);
    } catch (error) {
      return null;
    }
  }

  function getEnv() {
    return readStorage(ENV_KEY) || DEFAULT_ENV;
  }

  function normalizeApiBaseUrl(value) {
    // 测试域名当前 HTTPS 握手失败，开发环境统一走可访问的 HTTP 地址。
    var url = String(value || '').replace(/\/+$/, '');

    if (url === TEST_API_HTTPS_URL) return TEST_API_HTTP_URL;
    return url;
  }

  function getApiBaseUrl() {
    return normalizeApiBaseUrl(readStorage(BASE_URL_KEY) || API_BASE_URLS[getEnv()] || API_BASE_URLS.development);
  }

  function getConfig() {
    return {
      env: getEnv(),
      apiBaseUrl: getApiBaseUrl(),
      clientId: CLIENT_ID,
      tenantId: TENANT_ID,
      tokenKey: TOKEN_KEY,
      tokenHeaderName: TOKEN_HEADER_NAME
    };
  }

  return {
    getConfig: getConfig,
    getApiBaseUrl: getApiBaseUrl,
    getClientId: function () {
      return CLIENT_ID;
    },
    getTenantId: function () {
      return TENANT_ID;
    },
    getTokenKey: function () {
      return TOKEN_KEY;
    },
    getTokenHeaderName: function () {
      return TOKEN_HEADER_NAME;
    }
  };
});