module Opal
  module Bootbox
  end
end

if RUBY_ENGINE == 'opal'

require 'native'

# see http://bootboxjs.com/documentation.html

module Opal
  module Bootbox
    module_function

    def bootbox_call(method, *args, &block)
      arg = args.first
      if arg.is_a?(Hash) && arg[:callback].nil?
        arg[:callback] = block
        Native.call(`bootbox`, method, arg.to_n)
      else
        Native.call(`bootbox`, method, arg.to_n, &block)
      end
    end

    # Creates an alert window.
    # The given block is optional.
    # Method executes asynchronously.
    # No result is passed to the given block.
    def alert(*args, &block)
      bootbox_call(__method__, *args, &block)
    end

    # Creates a confirm window.
    # Method executes asynchronously.
    # The result passed to given block is true or false.
    def confirm(*args, &block)
      bootbox_call(__method__, *args, &block)
    end

    # Creates a prompt window.
    # Method executes asynchronously.
    # The result passed to given block is a String or nil.
    def prompt(*args, &block)
      bootbox_call(__method__, *args, &block)
    end

    # Creates a custom dialog window.
    # Method executes asynchronously.
    # The result passed to given block is a String or nil.
    # see http://bootboxjs.com/examples.html
    def dialog(*args, &block)
      bootbox_call(__method__, *args, &block)
    end

  end
end

else # RUBY_ENGINE

  require 'opal'
  require 'opal/bootbox/version'
  Opal.append_path File.expand_path('../..', __FILE__).untaint

end # RUBY_ENGINE

$bootbox = Opal::Bootbox