require 'real_page/utils/array_fetcher'

require_relative 'base'

module RealPage
  module DocumentParser
    # Parse a Picklist response
    class Picklist < Base
      # @param soap_action [String] the action requested
      def initialize(soap_action)
        @soap_action = soap_action
      end

      private

      attr_reader :soap_action

      # @param body [Hash<String, Object>] the body of the XML response parsed
      #   into a Hash
      # @return [Array<RealPage::Model::PicklistItem>] the pick list items
      #   parsed from the response
      # @raise [RealPage::Error::Base] if the response is invalid
      def parse_body(body)
        Utils::ArrayFetcher.new(
          hash: items(body),
          key: 'PicklistItem',
          model: Model::PicklistItem
        ).fetch
      end

      def items(body)
        response_key = "#{soap_action.downcase}Response"
        result_key = "#{soap_action.downcase}Result"
        body[response_key][result_key][soap_action]['Contents']
      end
    end
  end
end