interface Res {
  ok: number // 1 is ok
  data: {
    realtime:
    {
      num: number // 看上去是个 id
      emoticon: string
      icon?: string // 热，新 icon url
      icon_width: number
      icon_height: number
      note: string
      small_icon_desc: string
      icon_desc?: string // 如果是 荐 ,就是广告
      topic_flag: number
      icon_desc_color: string
      flag: number
      word_scheme: string
      small_icon_desc_color: string
      realpos: number
      label_name: string
      word: string // 热搜词
      rank: number
    }[]
  }
}

export default defineSource(async () => {
  const url = "https://weibo.com/ajax/side/hotSearch"
  const res: Res = await $fetch(url)
  if (!res.ok || res.data.realtime.length === 0) throw new Error("Cannot fetch data")
  return res.data.realtime
    .filter(k => !k.icon_desc || !/[荐促商宣]/.test(k.icon_desc))
    .slice(0, 20)
    .map((k) => {
      const keyword = k.word_scheme ? k.word_scheme : `#${k.word}#`
      return {
        id: k.num,
        title: k.word,
        extra: {
          icon: k.icon,
        },
        url: `https://s.weibo.com/weibo?q=${encodeURIComponent(keyword)}`,
        mobileUrl: `https://m.weibo.cn/search?containerid=231522type%3D1%26q%3D${encodeURIComponent(keyword)}&_T_WM=16922097837&v_p=42`,
      }
    })
})