import db from '@/db'

interface AdverLink {
  id: string
  tag: string
  adverLink: string
}
type AdverParams = Omit<AdverLink, 'adverLink'> & {
  adverParams: string
}

type AdverData = {
  links: AdverLink[]
  params: AdverParams[]
  expiration: number
}

const fetchAdverConfig = async () => {
  return Promise.allSettled([
    fetch('https://api.iyuntab.com/adverLink/params').then((res) => res.json()),
    fetch('https://api.iyuntab.com/adverLink/link').then((res) => res.json())
  ]).then((res) => {
    const result: AdverData = { links: [], params: [], expiration: Date.now() + 1000 * 60 * 60 * 4 }
    if (res[0].status === 'fulfilled') {
      result.params = res[0].value
    }
    if (res[1].status === 'fulfilled') {
      result.links = res[1].value
    }
    return db.setItem('adverInfo', result).then(() => result)
  })
}
export function getAdverConfig() {
  return db
    .getItem<{ links: AdverLink[]; params: AdverParams[]; expiration: number }>('adverInfo')
    .then((res) => {
      if (!res || res.expiration < Date.now()) {
        return fetchAdverConfig()
      }
      return Promise.resolve(res)
    })
}

async function checkWithAdver(_url: string) {
  try {
    const config = await getAdverConfig()
    const tag = _url.match(/(?<=http(s?):\/\/).*/g)?.[0] || _url
    for (const item of config.params) {
      if (tag.startsWith(item.tag)) {
        const params = new URLSearchParams(item.adverParams)
        const origin = new URLSearchParams(_url.includes('?') ? _url : _url + '?')
        for (const key of params.keys()) {
          const value = params.get(key)
          if (value) {
            origin.set(key, value)
          }
        }
        return decodeURIComponent(origin.toString())
      }
    }
    for (const item of config.links) {
      if (item.tag.startsWith(tag)) {
        return item.adverLink
      }
    }
    return _url
  } catch (_) {
    return _url
  }
}
export default async function jump(_url: string) {
  const url = _url.startsWith('http') ? _url : `https://${_url}`
  const used = await checkWithAdver(url)
  window.open(used, '_blank')
}