const base64 = require('js-base64').Base64;

var Jumper = {
    go:function(url,uri,res){
        if(uri&&uri!=''){
            LinkDB.findOne({short:uri},function(err,data){
                if(!err && data){
                    var link = data['long'];
                    link = base64.decode(link);
                    res.writeHead(301, {'Location': link});
                    res.end();
                }else{
                    Jumper._error(url,res);
                }
            });
        }else{
            Jumper._error(url,res);
        }
    },
    _error:function(url,res){
        ROUTER._error('Router Go ERROR:'+url,res);
        Logger.error(url+' request error!');
        res.writeHead(404, {'Content-Type': 'text/html'});
        res.end('404');
    }
}


module.exports = Jumper;