import fetch from "isomorphic-unfetch";

export const getSong = async (id: number) => {
  var urlencoded = new URLSearchParams();
  urlencoded.append("ids", `['${id}']`);

  return fetch("http://music.163.com/api/song/detail/", {
    method: "POST",
    body: urlencoded,
    headers: {
      "Content-Type": "application/x-www-form-urlencoded",
      "Accept-language": "en",
      "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.36"
    }
  }).then(res => {
    try{
      return res.json();
    }
    catch(e){
      // Todo: 这个地方可能会有问题
      return undefined;
    }
  }).then(json => {
    return json ? parseSongData(json.songs[0]) : undefined;
  })
}

export const getLyric = async (id: number) => {
  return fetch(`http://music.163.com/api/song/lyric?id=${id}&lv=-1&kv=-1&tv=-1`).then(res => {
    try{
      return res.json();
    }
    catch(e){
      // Todo: 这个地方可能会有问题
      return undefined;
    }
  }).then(json => {
    return json ? [json.lrc ?. lyric, json.tlyric ?. lyric || ""] : ["", ""];
  })
}

export const parseSongData = async (item: any) => {
  const [lyric, sub_lyric] = await getLyric(item.id);

  return {
    id: item.id,
    title: item.name,
    artist: item.artists ?. [0].name || "",
    album: item.album.name || "",
    cover: `${item.album.picUrl.replace("http://", "https://")}?param=250y250"`,
    lyric,
    sub_lyric,
    link: `https://music.163.com/song/media/outer/url?id=${item.id}`,
    served: false
  }
}