module Fog
  module Parsers
    module Terremark
      class Vapp < Base
        def reset
          @response = { "Links" => [], "VirtualHardware" => {}, "OperatingSystem" => {} }
          @in_operating_system = false
          @resource_type = nil
        end

        def start_element(name, attributes)
          super
          case name
          when "Link"
            link = extract_attributes(attributes)
            @response["Links"] << link
          when "OperatingSystemSection"
            @in_operating_system = true
          when "VApp"
            vapp = extract_attributes(attributes)
            @response.merge!(vapp.reject { |key, _value| !["href", "name", "size", "status", "type"].include?(key) })
          end
        end

        def end_element(name)
          case name
          when "IpAddress"
            @response["IpAddress"] = value
          when "Description"
            if @in_operating_system
              @response["OperatingSystem"][name] = value
              @in_operating_system = false
            end
          when "ResourceType"
            @resource_type = value
            case value
            when "3"
              @get_cpu = true # cpu
            when "4"  # memory
              @get_ram = true
            when "17" # disks
              @get_disks = true
            end
          when "VirtualQuantity"
            case @resource_type
            when "3"
              @response["VirtualHardware"]["cpu"] = value
            when "4"
              @response["VirtualHardware"]["ram"] = value
            when "17"
              @response["VirtualHardware"]["disks"] ||= []
              @response["VirtualHardware"]["disks"] << value
            end
          end
        end
      end
    end
  end
end