const axios = require('axios')

function getId(url) {
  const idMatch = url.match(/[0-9]{19}/);
  if (idMatch) return idMatch[0];
  return null
}

async function tiktok(url) {
  try {
    const headers = {
      'user-agent': 'Mozilla/5.0 (Android 15; Mobile; SM-F958; rv:130.0) Gecko/130.0 Firefox/130.0',
      'referer': url,
      'origin': 'https://www.tiktok.com',
    }
    
    const r = await axios.get(url, {
      headers
    })
    const u = r.request.res.responseUrl
    const t = getId(u)
    
    const g = await axios.get(`https://www.tiktok.com/embed/v2/${t}`, {
      headers,
      params: {
        lang: 'id',
        referrer: u
      }
    })
    
    const d = g.data.match(/__FRONTITY_CONNECT_STATE__".*?>([\s\S]*?)<\/script/i)?.[1]
    if (!d) throw new Error('Failed found JSON data in embed');
    
    const v = JSON.parse(d).source.data
    const b = Object.entries(v).find(([n]) => n.includes(t))?.[1]
    if (!b) throw new Error('Failed found metadata in here');
    
    const y = b.videoData
    
    const [_a, _b, _c, _d] = [
      y.itemInfos,
      y.authorInfos,
      y.authorStats,
      y.musicInfos
    ]
    
    const res = {
      status: true,
      title: _a.text,
      created_time: new Date(_a.createTime * 1000).toISOString(),
      location: _a.locationCreated,
      stats: {
        digg_count: _a.diggCount,
        share_count: _a.shareCount,
        play_count: _a.playCount,
        comment_count: _a.commentCount
      },
      covers: _a.covers[1] || _a.covers[0],
      author: {
        id: _b.userId,
        username: _b.uniqueId,
        name: _b.nickName,
        verified: _b.verified,
        bio: _b.signature,
        covers: _b.covers[0],
        stats: {
          following: _c.followingCount,
          followers: _c.followerCount,
          heart: Number(_c.heartCount),
          digg: _c.diggCount,
          total_video: _c.videoCount
        }
      },
      music: {
        id: _d.musicId,
        name: _d.musicName,
        author: _d.authorName,
        original: _d.original,
        covers: _d.covers[0],
        url: _d.playUrl[0]
      },
      type: _a.video.urls?.[0] ? 'video' : 'slide',
      video: _a.video.urls?.[0] || null,
      image: y.imagePostInfo && y.imagePostInfo.displayImages.map(r => r.urlList[0])
    }
    
    return res
  } catch(e) {
    return {
      status: false,
      msg: e.stack
    }
  }
}