#!/usr/bin/env node

var optimist = require('optimist')
var open = require('opener')
var path = require('path')
var disc = require('../')
var fs = require('fs')

var argv = optimist
  .usage('$0 [file(s)...] {options}')

  .alias('h', 'help')
  .describe('h', 'Displays these instructions.')

  .alias('o', 'output')
  .describe('o', 'Output path of the bundle. Defaults to stdout.')

  .alias('t', 'transform')
  .describe('t', 'Browserify transform stream(s) to use.')

  .alias('O', 'open')
  .describe('O', 'Open the file immediately.')

  .argv

var files = argv._ || []

files = Array.isArray(files)
  ?  files
  : [files]

files = files.map(function(name) {
  return path.resolve(name)
})

if (!files.length || argv.help) {
  optimist.showHelp()
  process.exit(1)
}

disc.bundle({
    files: files
  , transform: argv.transform || []
}, function(err, html) {
  if (err) throw err

  if (argv.open) return host(html)

  if (argv.output) {
    fs.writeFileSync(argv.output, html)
  } else {
    console.log(html)
  }
})

function host(html) {
  return require('http').createServer(function(req, res) {
    res.end(html)
  }).listen(9977, function() {
    console.error('Listening on http://localhost:9977')
    open('http://localhost:9977')
  })
}