/**
 * desc: 对$进行扩展
 * author: wangyang
 * date: 2015-04-11
 */
define(['config', 'native', 'zepto'], function (config, native, $) {
  (function ($) {
    $.extend($, {
      getScript: function (src, func) {
        var script = document.createElement('script');
        script.async = 'async';
        script.src = src;
        if (func) {
          script.onload = func;
        }
        document.getElementsByTagName('head')[0].appendChild(script);
      },
      //根据域名判断使用ajax还是jsonP
      autoAjax: function (param) {
        param['no_sign'] = 1;
        if (location.host == 'yiguanjia.club') {
          $.ajax(param);
        } else {
          // api接口增加版本号
          param.data['version'] = config.o2oVersion;
          var url = param.url;
          if (url.indexOf('?') == -1) {
            url += '?';
          }
          if (url.charAt(url.length - 1) != '?') {
            url += '&';
          }
          url += 'callback=?';
          if (!!param.data) {
            if (url.charAt(url.length - 1) != '?') {
              url += '';
            }
            url += '&' + $.param(param.data);
          }
          $.ajaxJSONP({
            url: url,
            success: (!!param.success) ? param.success : null,
            error: (!!param.error) ? param.error : null
          })
        }
      },
      //带验证的ajax
      signAjax: function (options) {
        if (config.isIOS || config.isAndroid) {
          var params = options.data;
          var sgf = options.success;

          options.success = function (res) {
            sgf(res);
          }

          if (!!!params.time) {
            params.time = new Date().getTime() / 1000;
          }
          sign_queue.push(options);
          if (sign_queue.length == 1) {
            native.getSign(sign_queue[0].data, sign_callback);
          }
        } else {
          this.autoAjax(options);
        }
      },
      //touch绑定事件的封装
      newTouch: function (el, callback, parent_dom) {
        var event = 'tap';
        if (!((window.DocumentTouch && document instanceof DocumentTouch) || 'ontouchstart' in window)) {
          event = 'click';
        }
        if (parent_dom !== undefined) {
          $(parent_dom).on(event, el, function (ev) {
            callback.call(this, ev);
          });
        } else {
          $(el).on(event, function (ev) {
            callback.call(this, ev);
          });
        }
      }
    })
    //由于加密是异步的，递归调用队列
    var sign_queue = [];

    function sign_callback(res) {
      var options = sign_queue.shift();
      options.data = res.data;
      $.autoAjax(options);
      if (sign_queue.length > 0) {
        native.getSign(sign_queue[0].data, sign_callback);
      }
    }
  })($);

  return $;
})