module RTurk
  # <SearchHITsResult>
  #   <Request>
  #     <IsValid>True</IsValid>
  #   </Request>
  #   <NumResults>2</NumResults>
  #   <TotalNumResults>2</TotalNumResults>
  #   <PageNumber>1</PageNumber>
  #
  #   <HIT>
  #     <HITId>GBHZVQX3EHXZ2AYDY2T0</HITId>
  #     <HITTypeId>NYVZTQ1QVKJZXCYZCZVZ</HITTypeId>
  #     <CreationTime>2009-04-22T00:17:32Z</CreationTime>
  #     <Title>Location</Title>
  #     <Description>Select the image that best represents</Description>
  #     <HITStatus>Reviewable</HITStatus>
  #     <MaxAssignments>1</MaxAssignments>
  #     <Reward>
  #       <Amount>5.00</Amount>
  #       <CurrencyCode>USD</CurrencyCode>
  #       <FormattedPrice>$5.00</FormattedPrice>
  #     </Reward>
  #     <AutoApprovalDelayInSeconds>2592000</AutoApprovalDelayInSeconds>
  #     <Expiration>2009-04-29T00:17:32Z</Expiration>
  #     <AssignmentDurationInSeconds>30</AssignmentDurationInSeconds>
  #     <NumberOfAssignmentsPending>0</NumberOfAssignmentsPending>
  #     <NumberOfAssignmentsAvailable>0</NumberOfAssignmentsAvailable>
  #     <NumberOfAssignmentsCompleted>1</NumberOfAssignmentsCompleted>
  #   </HIT>
  #
  #   <HIT>
  #     <HITId>ZZRZPTY4ERDZWJ868JCZ</HITId>
  #     <HITTypeId>NYVZTQ1QVKJZXCYZCZVZ</HITTypeId>
  #     <CreationTime>2009-07-07T00:56:40Z</CreationTime>
  #     <Title>Location</Title>
  #     <Description>Select the image that best represents</Description>
  #     <HITStatus>Assignable</HITStatus>
  #     <MaxAssignments>1</MaxAssignments>
  #     <Reward>
  #       <Amount>5.00</Amount>
  #       <CurrencyCode>USD</CurrencyCode>
  #       <FormattedPrice>$5.00</FormattedPrice>
  #     </Reward>
  #     <AutoApprovalDelayInSeconds>2592000</AutoApprovalDelayInSeconds>
  #     <Expiration>2009-07-14T00:56:40Z</Expiration>
  #     <AssignmentDurationInSeconds>30</AssignmentDurationInSeconds>
  #     <NumberOfAssignmentsPending>0</NumberOfAssignmentsPending>
  #     <NumberOfAssignmentsAvailable>1</NumberOfAssignmentsAvailable>
  #     <NumberOfAssignmentsCompleted>0</NumberOfAssignmentsCompleted>
  #   </HIT>
  # </SearchHITsResult>

  class SearchHITsResponse < Response

    def hits
      @hits ||= begin
        @xml.xpath('//HIT').inject([]) do |arr, hit_xml|
          arr << HITParser.new(hit_xml); arr
        end
      end
    end

    # todo: merge with GetReviewableHITsResponse and GetAssignmentsForHITResponse
    # todo: test
    def total_num_results
      @xml.xpath('//TotalNumResults').inner_text.to_i
    end

    # todo: test
    def num_results
      @xml.xpath('//NumResults').inner_text.to_i
    end

    # todo: test
    def page_number
      @xml.xpath('//PageNumber').inner_text.to_i
    end

  end

end