#!/usr/bin/env node

// Show logs
process.env.DEBUG = 'nuxt:*'

var fs = require('fs')
var parseArgs = require('minimist')
var without = require('lodash').without
var Nuxt = require('../')
var resolve = require('path').resolve

const argv = parseArgs(process.argv.slice(2), {
  alias: {
    h: 'help',
    c: 'config-file',
    a: 'analyze'
  },
  boolean: ['h', 'a'],
  string: ['c'],
  default: {
    c: 'nuxt.config.js'
  }
})

if (argv.help) {
  console.log(`
    Description
      Compiles the application for production deployment
    Usage
      $ nuxt build <dir>
    Options
      --analyze, -a       Launch webpack-bundle-analyzer to optimize your bundles.
      --config-file, -c   Path to Nuxt.js config file (default: nuxt.config.js)
      --help, -h          Displays this message
  `)
  process.exit(0)
}

var rootDir = resolve(argv._[0] || '.')
var nuxtConfigFile = resolve(rootDir, argv['config-file'])

var options = {}
if (fs.existsSync(nuxtConfigFile)) {
  options = require(nuxtConfigFile)
} else if (argv['config-file'] !== 'nuxt.config.js') {
  console.error(`> Could not load config file ${argv['config-file']}`)
  process.exit(1)
}
if (typeof options.rootDir !== 'string') {
  options.rootDir = rootDir
}
// Create production build when calling `nuxt build`
options.dev = false
options.runBuild = true // Force doing production build before init

// Analyze option
options.build = options.build || {}
if (argv.analyze) {
  options.build.analyze = true
}

console.log('[nuxt] Building...') // eslint-disable-line no-console
var nuxt = module.exports = new Nuxt(options)
nuxt.ready()
.then(() => {
  console.log('[nuxt] Building done') // eslint-disable-line no-console
})
.catch((err) => {
  console.error(err) // eslint-disable-line no-console
  process.exit(1)
})