'use strict'
module.exports = {
    checkSignature:function(){
        let signature = this.GET['signature'],
            timestamp = this.GET['timestamp'],
            nonce     = this.GET['nonce'],
            echostr   = this.GET['echostr'];
        if(signature && timestamp && nonce && echostr){
            if(Wechat.checkSignature(signature,timestamp,nonce)){
                this.end(echostr);
                return;
            }
        }
        this.end('Error');
    },
    getAccessToken:function(){
        Wechat.getAccessToken.call(this,function(err,accessToken){
            this.end(accessToken);
        });
    },
    getSignature:function(){
        if(!this.GET['url'] || !this.GET['url'].match(/(https?):\/\/[-A-Za-z0-9+&@#\/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]/gi)) return this.endAPI(-1,'Please send a current url address');
        Wechat.getSignature.call(this,this.GET['url'],function(err,signatureObj){
            if(err) return this.endAPI(-1,'getSignature error!');
            signatureObj.appId = Config.Wechat.appId;
            this.endAPI(0,signatureObj);
        });
    },
    getCode2Session:function(){
        if(!this.GET['code']) return this.endAPI(-1,'JsCode Can Be Empty');
        Wechat.getCode2Session.call(this,this.GET['code'],function(err,body){
            if(err) return this.endAPI(-1,'getCode2Session error!');
            this.endAPI(0,body);
        });
    }
}