import express from 'express'
import qs from 'qs'
import axios from 'axios'
import { commonParams, paramsSign } from '../common/net.js'
import { php_api_seo_ids } from '../common/apis.js'

const phpResponseModel = {
  code: -1,
  msg: 'Sorry,something wrong with your network~',
  data: {}
}

// Create express router
const router = express.Router()

// Transform req & res to have the same API as express
// So we can use res.status() & res.json()
const app = express()
router.use((req, res, next) => {
  Object.setPrototypeOf(req, app.request)
  Object.setPrototypeOf(res, app.response)
  req.res = res
  res.req = req
  next()
})

const sitemapLogic = async (req, res) => {
  const concatXml = obj => {
    if (!obj) {
      return ''
    }
    const { article } = obj
    let s = `<?xml version="1.0" encoding="utf-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9        http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"><url><loc>http://bbs.hoolihome.com</loc><priority>1.00</priority><lastmod>2019-05-07</lastmod><changefreq>daily</changefreq></url><url><loc>http://bbs.hoolihome.com/en/</loc><priority>1.00</priority><lastmod>2019-05-07</lastmod><changefreq>daily</changefreq></url><url><loc>http://bbs.hoolihome.com/videos/</loc><priority>1.00</priority><lastmod>2019-05-07</lastmod><changefreq>daily</changefreq></url><url><loc>http://bbs.hoolihome.com/en/videos/</loc><priority>1.00</priority><lastmod>2019-05-07</lastmod><changefreq>daily</changefreq></url>`
    article.forEach(v => {
      s += `<url><loc>http://bbs.hoolihome.com/article/${v}</loc><priority>1.00</priority><lastmod>2019-05-07</lastmod><changefreq>daily</changefreq></url><url><loc>http://bbs.hoolihome.com/en/article/${v}</loc><priority>1.00</priority><lastmod>2019-05-07</lastmod><changefreq>daily</changefreq></url>`
    })
    s += `</urlset>`
    return s
  }
  const params = {}
  params.url = php_api_seo_ids
  params.data = {
    type: 1
  }
  Object.assign(params.data, commonParams())
  params.data.signToken = paramsSign(params.data, params.url)
  phpResponseModel.data = {}
  const phpResponse = await axios
    .post(params.url, qs.stringify(params.data))
    .then(result => {
      if (result) {
        let { status, data } = result
        if (parseInt(status) === 200 && data) {
          let { code } = data
          if (parseInt(code) === 0) {
            return concatXml(data.data)
          }
        }
      }
      return ''
    })
    .catch(e => {
      return ''
    })
  res.type('application/xml')
  res.status(200).send(phpResponse)
}

router.get('/sitemap.xml', sitemapLogic)

// Export the server middleware
export default {
  path: '/',
  handler: router
}