module Presenter
  module Cepc
    class Report
      TYPE_OF_ASSESSMENT = "CEPC".freeze

      def initialize(view_model, additional_data)
        @view_model = view_model
        @additional_data = additional_data
      end

      def to_hash
        report_from_assessment_xml
          .merge(report_from_additional_data)
      end

    private

      def report_from_assessment_xml
        {
          assessment_id: Helper::RrnHelper.hash_rrn(@view_model.assessment_id),
          ac_inspection_commissioned: @view_model.respond_to?(:ac_inspection_commissioned) ? @view_model.ac_inspection_commissioned : nil,
          address1: @view_model.address_line1,
          address2: @view_model.address_line2,
          address3: @view_model.address_line3,
          aircon_kw_rating: @view_model.respond_to?(:ac_kw_rating) ? @view_model.ac_kw_rating : nil,
          aircon_present:
            if @view_model.respond_to?(:ac_present) && @view_model.ac_present.upcase == "YES"
              "Y"
            else
              "N"
            end,
          asset_rating: @view_model.energy_efficiency_rating,
          asset_rating_band: Helper::EnergyBandCalculator.commercial(@view_model.energy_efficiency_rating),
          building_emissions: @view_model.respond_to?(:building_emission_rate) ? @view_model.building_emission_rate : nil,
          building_environment: @view_model.building_environment,
          building_level: @view_model.building_level,
          estimated_aircon_kw_rating: @view_model.respond_to?(:estimated_ac_kw_rating) ? @view_model.estimated_ac_kw_rating : nil,
          existing_stock_benchmark: @view_model.existing_build_rating,
          floor_area: @view_model.floor_area,
          inspection_date: @view_model.date_of_assessment,
          lodgement_date: @view_model.date_of_registration,
          main_heating_fuel: @view_model.main_heating_fuel,
          new_build_benchmark: @view_model.new_build_rating,
          other_fuel_desc: @view_model.other_fuel_description,
          postcode: @view_model.postcode,
          posttown: @view_model.town,
          primary_energy_value: @view_model.respond_to?(:primary_energy_use) ? @view_model.primary_energy_use : nil,
          property_type: @view_model.property_type,
          report_type: @view_model.report_type,
          special_energy_uses: @view_model.special_energy_uses,
          standard_emissions: @view_model.respond_to?(:standard_emissions) ? @view_model.standard_emissions : nil,
          target_emissions: @view_model.respond_to?(:target_emissions) ? @view_model.target_emissions : nil,
          transaction_type:
            Helper::XmlEnumsToOutput.cepc_transaction_type(
              @view_model.respond_to?(:transaction_type) ? @view_model.transaction_type : nil,
            ),
          type_of_assessment: TYPE_OF_ASSESSMENT,
          typical_emissions: @view_model.respond_to?(:typical_emissions) ? @view_model.typical_emissions : nil,
          renewable_sources: @view_model.renewable_sources,
        }
      end

      def report_from_additional_data
        report = {}

        if @additional_data.key?(:date_registered)
          report[:lodgement_date] = @additional_data[:date_registered].strftime("%F")
        end
        if @additional_data.key?(:created_at)
          report[:lodgement_datetime] = @additional_data[:created_at].strftime("%F %H:%M:%S")
        end
        if @additional_data.key?(:address_id)
          report[:building_reference_number] =
            if @additional_data[:address_id].include?("UPRN")
              @additional_data[:address_id]
            end
        end
        if @additional_data.key?(:postcode_region)
          report[:region] = @additional_data[:postcode_region]
        elsif @additional_data.key?(:outcode_region)
          report[:region] = @additional_data[:outcode_region]
        end

        report
      end
    end
  end
end