#!/usr/bin/ruby

if ARGV.size != 1
  $stderr.puts "Usage: #{File.basename(__FILE__)} <app-name>"
  exit 1
end

app_name = ARGV[0]

unless app_name.match(/^[a-zA-Z\d\s]+$/)
  $stderr.puts "Invalid app name"
  exit 1
end

if File.exist?(app_name)
  $stderr.puts "Directory `#{app_name}' already exists"
  exit 1
end

Dir.mkdir(app_name)
Dir.chdir(app_name) do
  File.open('Rakefile', 'w') do |io|
    io.puts <<EOS
require 'rubygems'
require 'rubixir/rake'

Rubixir::CONFIG.app_name = '#{app_name}'
EOS
  end
  Dir.mkdir('app')
  File.open('app/main.rb', 'w') do |io|
    io.puts <<EOS
class AppDelegate
  def application(application, didFinishLaunchingWithOptions:launchOptions)
    puts "Hello World!"
  end
end
EOS
  end
  Dir.mkdir('resources')
end