var $api_url = "http://api.t.sina.com.cn/",
	$app_key = \'你的key\';
//载入JS-SDK
WB.core.load([\'connect\', \'client\'], function() {
    var cfg = {
        key: $app_key,
        xdpath: \'http://\'+location.host+\'/xd.html\'
    };
    WB.connect.init(cfg);	
    WB.client.init(cfg);
});
(function(){
	var uid = 0;
	/**
	 * 登陆函数
	 * @param {Object} back callback函数
	 */
	var login=function(back){
		back = back|| function(){};
		WB.connect.login(function(){
			back();
		});
	};
	/**
	 * 退出函数
	 * @param {Object} back callback函数
	 */
	var logout = function(back){
		WB.connect.logout(function(){
			location.reload();
		});
	};
	/**
	 * 添加粉丝
	 * @param {Object} uid 用户id
	 * @param {Object} back callback函数
	 */
	var addFans = function(uid,back){
		back = back || function(){};
		WB.client.parseCMD("/friendships/create.json", function(o, s){
			if (s) {
				back.call({},o);
			}
		}, {user_id:uid});	
 
	};
	/**
	 * 取消一个关注函数
	 * @param {Object} uid 用户id
	 * @param {Object} back callback函数
	 */
	var delFollow = function(uid,back){
		back = back || function(){};
		WB.client.parseCMD("/friendships/destroy.json", function(o, s){
			if (s) {
				back.call({},o);
			}
		}, {user_id:uid});	
	};
	/**
	 * 删除一条微博
	 * @param {Object} id 微博id
	 * @param {Object} back callback函数
	 */
	var delWeibo = function(id,back){
		back = back || function(){};
		WB.client.parseCMD("/statuses/destroy/"+id+".json", function(sResult, bStatus){
			if (bStatus) {
				back.call({},sResult);
			}
 
		}, {id:id});
	};
	/**
	 * 根据uid获取用户信息
	 * @param {Object} uid 用户ID
	 * @param {Object} back callback函数
	 */
	var getUserInfo = function(uid,back){
		back = back || function(){};
		$.getJSON($api_url+"users/show.json?callback=?", {source:$app_key,user_id:uid}, function(o){
			back.call({},o);
		});
	};
	/**
	 * 获取用户认证函数
	 * 登陆后使用
	 * @param {Object} back callback函数
	 */
	var verfiy = function(back){
		back = back || function(){};
		$.getJSON($api_url+"account/verify_credentials.json?callback=?", {source:$app_key}, function(o){
			uid = o.id;
			back.call({},o);
		});
	};
	/**
	 * 是否登陆
	 * 登陆return true
	 */
	var isLogin = function(){
		return WB.connect.checkLogin();
	};
	/**
	 * 是否接口访问是否受限
	 * 受限return true
	 */
	var isLimit = function(){
		$.getJSON($api_url+"account/rate_limit_status.json?callback=?", {source:$app_key}, function(o){
			//超出限制
			if(!o || o.remaining_hits <=5){
				return true; 	
			}
			return false;
		});
	};
	/**
	 * 根据uid获取用户发的微博
	 * @param {Object} uid 用户ID
	 * @param {Object} back callback函数
	 */
	var getWeibo = function(uid,count,page,back){
		count = count||20;
		page = page || 1;
		back = back||function(){};
		$.getJSON($api_url+"statuses/user_timeline.json?callback=?", {source:$app_key,page:page,count:count,user_id:uid}, function(json){
			back.call({},json);
		});
	};
	/**
	 * 根据uid获取用户的粉丝及其最新的微博
	 * @param {Object} uid 用户uid
	 * @param {Object} count 条数
	 * @param {Object} back callback函数
	 */
	var getFollower = function(uid,count,back){
		back = back||function(){};
		count = count || 20;
		$.getJSON($api_url+"statuses/followers.json?callback=?", {source:$app_key,user_id:uid,count:count}, function(json){
			back.call({},json);
		});
	};
	/**
	 * 根据uid获取用户的关注列表包括最新的微博
	 * @param {Object} uid 用户uid
	 * @param {Object} count 条数
	 * @param {Object} back callback函数
	 */
	var getFriends = function(uid,count,back){
		back = back||function(){};
		count = count || 20;
		$.getJSON($api_url+"statuses/friends.json?callback=?", {source:$app_key,user_id:uid,count:count}, function(json){
			back.call({},json);
		});
	};
	/**
	 * 发布一条微博
	 * @param {Object} msg 微博内容
	 * @param {Object} back callback函数
	 */
	var publish = function(msg,back){
		back = back || function(){};
		WB.client.parseCMD("/statuses/update.json", function(o, s) {	//开始发表
			if(s){
				back.call({},o);
			}
		}, {status:encodeURIComponent(msg)});
	};
	/**
	 * 获取public timeline
	 * @param {Object} count 条数
	 * @param {Object} back callback函数
	 * @param {Object} base_app 是否为本应用的
	 */
	var getTimeLine = function(count,back,base_app){
		back = back||function(){};
		count = count || 20;
		base_app = base_app || 0;
		$.getJSON($api_url+"statuses/public_timeline.json?callback=?", {source:$app_key,base_app:base_app,count:count}, function(json){
			back.call({},json);
		});
	};
	/**
	 * 根据uid获取关注用户的uid数组
	 * @param {Object} uid 用户uid
	 * @param {Object} count 条数
	 * @param {Object} back callback函数
	 */
	var getFriendUids = function(uid,count,back){
		back = back||function(){};
		count = count || 20;
		base_app = base_app || 0;
		$.getJSON($api_url+"friends/ids.json?callback=?", {source:$app_key,user_id:uid,count:count}, function(json){
			back.call({},json);
		});
	};
	/**
	 * 根据uid 获取粉丝的uid数组
	 * @param {Object} uid 用户的uid
	 * @param {Object} count 条数
	 * @param {Object} back callback函数
	 */
	var getFollowerUids = function(uid,count,back){
		back = back||function(){};
		count = count || 20;
		base_app = base_app || 0;
		$.getJSON($api_url+"followers/ids.json?callback=?", {source:$app_key,user_id:uid,count:count}, function(json){
			back.call({},json);
		});
	};
})();