require_relative 'transition_properties/transition_properties'
module OoxmlParser
  class Transition < OOXMLDocumentObject
    attr_accessor :speed, :properties, :sound_action, :advance_on_click, :delay, :duration

    def initialize(properties = TransitionProperties.new)
      @properties = properties
    end

    def self.parse(transition_node)
      transition = Transition.new
      transition_node.xpath('*').each do |transition_node_child|
        transition.properties.type = transition_node_child.name.to_sym
        case transition_node_child.name
        when 'blinds', 'checker', 'comb', 'cover', 'pull', 'push', 'randomBar', 'strips', 'wipe', 'zoom', 'warp'
          transition.properties.direction = Alignment.parse(transition_node_child.attribute('dir'))
        when 'cut', 'fade'
          transition.properties.through_black = OOXMLDocumentObject.option_enabled?(transition_node_child, 'thruBlk')
        when 'split'
          transition.properties.direction = Alignment.parse(transition_node_child.attribute('dir'))
          transition.properties.orientation = transition_node_child.attribute('orient').value.to_sym if transition_node_child.attribute('orient').value
        when 'wheel', 'wheelReverse'
          transition.properties.spokes = OOXMLDocumentObject.option_enabled?(transition_node_child, 'spokes')
        when 'sndAc'
          transition.sound_action = SoundAction.parse(transition_node_child)
        end
      end
      transition_node.attributes.each do |key, value|
        case key
        when 'spd'
          transition.speed = value.value.to_sym
        when 'advClick'
          transition.advance_on_click = OOXMLDocumentObject.option_enabled?(transition_node, key)
        when 'advTm'
          transition.delay = value.value.to_f / 1_000.0
        when 'dur'
          transition.duration = value.value.to_f / 1_000.0
        end
      end
      transition
    end
  end
end