require 'csv_row_model/internal/dynamic_column_attribute_base'

module CsvRowModel
  module Import
    class DynamicColumnAttribute < CsvRowModel::DynamicColumnAttributeBase
      attr_reader :source_headers, :source_cells

      def initialize(column_name, source_headers, source_cells, row_model)
        @source_headers = source_headers
        @source_cells = source_cells
        super(column_name, row_model)
      end

      def unformatted_value
        formatted_cells.zip(formatted_headers).map do |formatted_cell, source_headers|
          call_process_cell(formatted_cell, source_headers)
        end
      end

      def formatted_headers
        source_headers.map do |source_headers|
          row_model_class.format_dynamic_column_header(source_headers, column_name, column_index, row_model.context)
        end
      end

      class << self
        def define_process_cell(row_model_class, column_name)
          super { |formatted_cell, source_headers| formatted_cell }
        end
      end
    end
  end
end