class Rails::Console

def self.start(app)
  new(app).start
end

def initialize(app)
  @app = app
end

def start
  options = {}
  OptionParser.new do |opt|
    opt.banner = "Usage: console [environment] [options]"
    opt.on('-s', '--sandbox', 'Rollback database modifications on exit.') { |v| options[:sandbox] = v }
    opt.on("--debugger", 'Enable ruby-debugging for the console.') { |v| options[:debugger] = v }
    opt.on('--irb', "DEPRECATED: Invoke `/your/choice/of/ruby script/rails console` instead") { |v| abort '--irb option is no longer supported. Invoke `/your/choice/of/ruby script/rails console` instead' }
    opt.parse!(ARGV)
  end
  @app.load_console(options[:sandbox])
  if options[:debugger]
    begin
      require 'ruby-debug'
      puts "=> Debugger enabled"
    rescue Exception
      puts "You need to install ruby-debug to run the console in debugging mode. With gems, use 'gem install ruby-debug'"
      exit
    end
  end
  if options[:sandbox]
    puts "Loading #{Rails.env} environment in sandbox (Rails #{Rails.version})"
    puts "Any modifications you make will be rolled back on exit"
  else
    puts "Loading #{Rails.env} environment (Rails #{Rails.version})"
  end
  IRB.start
end