require_relative 'parsing/helpers'
require_relative 'parsing/classifications'
module Eco::API::UseCases::GraphQL::Samples::Location::Service
  module TreeDiff
    module Convertible
      # Helpers for transform
      module Parsing
        include Helpers
        include Classifications

        private

        # Custom callback to some required convertions to the input file
        # provided that it fits to the required input format.
        def transform_input_csv(csv)
          row_transform = custom_input_row_transform_block
          csv_transform = custom_input_csv_transform_block

          csv = csv_transform.call(csv) if csv_transform

          msg  = "Expecting Eco::CSV::Table (i.e. from  'custom_input_csv_transform')."
          msg << "Given: #{csv.class}"
          raise ArgumentError, msg unless csv.is_a?(Eco::CSV::Table)

          csv.each do |row|
            row_transform&.call(row)
            transform_classifications(row)
          end
          csv
        end

        # The user define block for row transformation
        def custom_input_row_transform_block
          return nil unless respond_to?(:custom_input_row_transform, true)
          method(:custom_input_row_transform)
        end

        # The user define block for row transformation
        def custom_input_csv_transform_block
          return nil unless respond_to?(:custom_input_csv_transform, true)
          method(:custom_input_csv_transform)
        end
      end
    end
  end
end