// for CMD
declare var require: any;
declare var module: any;

interface API {
  name: string,
  url: string
};

var HTTP = require('./http');

interface config {
  config?: any,
  rules?: Array<any>,
  formatter?: any
};

class Service {
  apis: Array<API>;

  rules: Array<any>;

  headers: any;

  withCredentials: boolean;

  timeout: number;

  constructor(config) {
    // Note:
    // != is enough to seperate `undefined` & `null`
    // from other objects
    if (config != null) {
      for (var prop in config) {
        if (prop === 'config') {
          var ajaxConfig = config.config;
          for (var i in ajaxConfig) {
            if (ajaxConfig.hasOwnProperty(i)) {
              this[i] = ajaxConfig[i];
            }
          }

          continue;
        }

        if (config.hasOwnProperty(prop)) this[prop] = config[prop];
      }
    }

    this.rules = this.rules || [];

    // default rule
    function defaultRule(xhr, resolve, reject) {
      if (!/^[1-3]/.test(xhr.status)) {
        reject('HTTP Response code: ' + xhr.status);
      } else {
        resolve(xhr.responseText);
      }
    }

    this.rules.push(defaultRule);
  }

  config(apis: Array<API>) {
    var self = this;

    apis.forEach(function(api) {
      var params = {};

      // 将配置中的 :xx 占位符配置到 params 中
      api.url.replace(/:(\w+)\/?/g, function(raw, name) { return params[name] = undefined; });

      self[api.name] = new HTTP({
        url: api.url,
        params: params,
        $service: self
      });
    });
  }

  set(name: string, value: any) {
    this[name] = value;
    return this;
  }
};

module.exports = Service;