class AASM::Core::State

def <=>(state)
  if state.is_a? Symbol
    name <=> state
  else
    name <=> state.name
  end
end

def ==(state)
  if state.is_a? Symbol
    name == state
  else
    name == state.name
  end
end

def _fire_callbacks(action, record, args)
  Invoker.new(action, record, args).invoke
end

def display_name
  @display_name = begin
    if Module.const_defined?(:I18n)
      localized_name
    else
      @default_display_name
    end
  end
end

def fire_callbacks(action, record, *args)
  action = @options[action]
  catch :halt_aasm_chain do
    action.is_a?(Array) ?
            action.each {|a| _fire_callbacks(a, record, args)} :
            _fire_callbacks(action, record, args)
  end
end

def for_select
  [display_name, name.to_s]
end

def initialize(name, klass, state_machine, options={})
  @name = name
  @klass = klass
  @state_machine = state_machine
  @default_display_name = name.to_s.gsub(/_/, ' ').capitalize
  update(options)
end

def initialize_copy(orig)
  super
  @options = {}
  orig.options.each_pair do |name, setting|
    @options[name] = if setting.is_a?(Hash) || setting.is_a?(Array)
                       setting.dup
                     else
                       setting
                     end
  end
end

def localized_name
  AASM::Localizer.new.human_state_name(@klass, self)
end

def to_s
  name.to_s
end

def update(options = {})
  if options.key?(:display)
    @default_display_name = options.delete(:display)
  end
  @options = options
  self
end