#!/usr/bin/env node
var fs = require('fs')
var execSync = require('child_process').execSync

var optRe = /^--/
var args = process.argv.slice(2).reduce((acc, arg) => {
  if (optRe.test(arg)) {
    acc.opts.push(arg)
  } else {
    acc.urls.push(arg)
  }

  return acc
}, { opts: [], urls: [] })

var urls = args.urls

if (!args.opts.find(arg => arg === '--no-rebuild')) {
  console.log('Rebuilding Mercury')
  execSync('MERCURY_TEST_BUILD=true npm run build')
}

var Mercury = require('./dist/mercury_test')

console.log(`Fetching link(s)`)

urls.map(url => {
  Mercury.parse(url, { fallback: false }).then(function(result) {
    var htmlFile = './preview.html'
    var jsonFile = './preview.json'

    var html = `<h1>${result.title}</h1>${result.content}`

    fs.writeFileSync(htmlFile, html)
    fs.writeFileSync(jsonFile, JSON.stringify(result))
    execSync(`open ${jsonFile}`)
    execSync(`open ${htmlFile}`)
  })
})