'use strict'
var Router ={
    go:function(res,req){



        let query = URLParse.query;


        if(enterURI.match(WhiteList.HandlerRules)){
            return Router.getHandler(url,res,req);
        }else if(enterURI.match(WhiteList.StaticRules)){
            return STATIC.load(ROOTPATH+URLParse.pathname,query,res);
        }else{
            Router._error('Router Go ERROR:'+url,res);
            Logger.error(url+' WhiteList Check error!');
        }
    },
    getHandler:function(url,res,req){
        let URLParse = URL.parse(HANDLERPATH+url,true);
        let URLArr = URLParse.pathname.split('/');
        if(URLArr[URLArr.length-1]=='') URLArr[URLArr.length-1]='index';
        let FileName = URLArr.join('/')+'.js';
        let mod,call='index';
        if(!FILE.existsSync(FileName)){
            call = URLArr.pop();
            FileName = URLArr.join('/')+'.js';
        }
        try{
            mod = require(FileName);
            if(mod['__construct']){
                let cons = mod['__construct'](res,req,URLParse.query);
                if(cons && cons.status=='error') Router._error('Router Go ERROR:'+cons.msg,res);
            }
            mod[call](res,req,URLParse.query);
        }catch(err){
            Logger.error(err);
            res.writeHead(404, {'Content-Type': 'text/html'});
            res.end('404');
        }
    },
    _error:function(log,res,req){
        res.writeHead(404, {'Content-Type': 'text/html'});
        res.end('404');
    }
};

module.exports = function(req,res){
    let URI       = req.url=='/'?'/index':req.url;
    let URLParse  = URL.parse(URI,true);
    let URLArr    = URLParse.pathname.split('/');
    let enterURI  = String(URLArr[1])==''?'index':String(URLArr[1]);
    let isAsset   = enterURI==Config.asset_path?true:false;

    req._GET = URLParse.query;
    if(isAsset){
        let assetPath = URLArr.join('/').replace('/'+Config.asset_path,'');
        Router.goAsset(assetPath,req,res);
        return;
    }
    req._Cookie = {};
    req.headers.cookie && req.headers.cookie.split(';').forEach(function(Cookie){
        let parts = Cookie.split('=');
        let key   = parts[0].trim();
        let value = (parts[1]||'').trim();
        if(parts.length>2){
            parts = parts.shift();
            value = parts.join('=').trim();
        }
        req._Cookie[key] = value;
    });

    Router.goHandler(URLParse.pathname,req,res);
    return this;
};