//收藏单曲到歌单，从歌单删除歌曲 op=del,add;pid=歌单id,tracks=歌曲id
// module.exports = (req, res, createWebAPIRequest, request) => {
//   const op = req.query.op;
//   const pid = req.query.pid;
//   // const tracks = req.query.tracks.split(',')
//   const tracks = req.query.tracks;
//   const cookie = req.get("Cookie") ? req.get("Cookie") : "";
//   // console.log('COOKIESS', cookie)
//   const data = {
//     op: op,
//     pid: pid,
//     // tracks: (tracks.length == 1) ? tracks[0] : Array.apply(null,{length:tracks.length}).map(()=>({})).join(','),
//     // trackIds: (tracks.length == 1) ? JSON.stringify(tracks) : `[${tracks.join(',')}]`
//     trackIds: `[${tracks}]`,
//     csrf_token: ""
//   };

//   createWebAPIRequest(
//     "music.163.com",
//     "/weapi/playlist/manipulate/tracks",
//     "POST",
//     data,
//     cookie,
//     music_req => res.send(music_req),
//     err => res.status(502).send("fetch error")
//   );
// };

module.exports = (query, request) => {
    const data = {
        op: query.op,
        pid: query.pid,
        trackIds: '[' + query.tracks + ']'
    }
    return request(
        'POST', `http://music.163.com/weapi/playlist/manipulate/tracks`, data,
        {crypto: 'weapi', cookie: query.cookie, proxy: query.proxy}
    )
}