process = global.process
remote = require 'remote'

unless process.guestInstanceId?
  # Override default window.close, see:
  window.close = ->
    remote.getCurrentWindow().close()

  # Override default window.open.
  window.open = (url, name, features) ->
    options = {}
    for feature in features.split ','
      [name, value] = feature.split '='
      options[name] =
        if value is 'yes'
          true
        else if value is 'no'
          false
        else
          value

    options.x ?= options.left
    options.y ?= options.top
    options.title ?= name
    options.width ?= 800
    options.height ?= 600

    BrowserWindow = require('remote').require 'browser-window'
    browser = new BrowserWindow options
    browser.loadUrl url
    browser

# Use the dialog API to implement alert().
window.alert = (message, title='') ->
  dialog = remote.require 'dialog'
  buttons = ['OK']
  dialog.showMessageBox remote.getCurrentWindow(), {message, title, buttons}

# And the confirm().
window.confirm = (message, title='') ->
  dialog = remote.require 'dialog'
  buttons = ['OK', 'Cancel']
  not dialog.showMessageBox remote.getCurrentWindow(), {message, title, buttons}

# But we do not support prompt().
window.prompt = ->
  throw new Error('prompt() is and will not be supported in atom-shell.')