import { createRedirectUrl, parseRedirectUrl } from 'redirect-url'

let redirectUrl = createRedirectUrl([
  // Nice :)
  [`/bliss`, `https://www.youtube.com/watch?v=dQw4w9WgXcQ`],

  // Other redirects...
  { from: `/home`, to: `/`, status: 307 },
  [`/:splat*\\.html`, `/:splat*`],
])
// OR
redirectUrl = parseRedirectUrl(`
  # Nice :)
  /bliss            https://www.youtube.com/watch?v=dQw4w9WgXcQ

  # Other redirects...
  /home             /          307
  /:splat*\\.html   /:splat*
`)

console.log(redirectUrl(`https://example.com/bliss`))
//=> { url: 'https://www.youtube.com/watch?v=dQw4w9WgXcQ', status: 302 }
console.log(redirectUrl(`https://example.com/home`))
//=> { url: 'https://example.com', status: 307 }
console.log(redirectUrl(`https://example.com/about-me.html`))
//=> { url: 'https://example.com/about-me', status: 302 }
console.log(redirectUrl(`https://example.com/spaghetti`))
//=> null

const redirectsMiddleware = (req, res, next) => {
  const result = redirectUrl(req.url)
  if (result) {
    res.redirect(result.status, result.url)
  }
  next()
}

app.all(`*`, redirectsMiddleware)

export const handleDocumentRequest = request => {
  const result = redirectUrl(request.url)
  if (result) {
    return redirect(result.url, result.status)
  }

  // ...
}