var express = require('express');
var request = require('request');
var router = express.Router();

/* GET users listing. */
router.get('/', function(req, res, next) {
    res.header("Content-Type", "application/json;charset=utf-8");
    //console.log('ref:' + req.header('referer'));
    var id = req.query.id;
    var playlist_id = req.query.playlist_id;

    var url = 'http://music.163.com/api/song/detail/?id='+id+'&ids=%5B'+id+'%5D';
    if(playlist_id){
        url = 'http://music.163.com/api/playlist/detail/?id='+id+'&ids=%5B'+id+'%5D';
    }
    netease_http(url,function(data){
        return res.send(data);
    });
});

function netease_http(url,callback){
    var options = {
        url: url,
        headers: {
            Cookie:'appver=1.5.0.75771;',
            referer:'http://music.163.com'
        }
    };
    request(options,function(err,res,body){
        if(!err && res.statusCode == 200){
            body = JSON.parse(body);
            callback&&callback(body);
        }else{
            console.log(err);
        }
    });
}

module.exports = router;