module Reports
  class Common
    def input_hash
      input_data
    end

    def input_json
      input_data.to_json
    end

    def output_data
      return @output_data if @output_data

      tmp_file = Tempfile.new
      File.write(tmp_file.path, input_data.to_json)

      measure = MeasureMemoryUsageTimeSpeed.run_and_measure do
        Open3.capture3(command(tmp_file))
      end
      # TODO: store these data
      # measure[:time_spent_seconds]
      # measure[:memory_usage_kb]

      command_out, command_error, command_status = measure[:block_result]
      command_result = { command_out: command_out,
                         command_error: command_error,
                         command_status: command_status.to_i }

      raise(StandardError, "command '#{python_script_name}' has non-zero result") unless command_status.to_i.zero?

      @output_data = JSON.parse(command_out, { allow_nan: true })
    rescue StandardError => e
      puts command_result
      ::CbsPlatform::ErrorReporter.error(
        e,
        "Can't generate #{report_type} report data (report ID = #{report_id}, command_result=#{command_result})"
      )

      nil
      command_result
    ensure
      tmp_file&.close
      tmp_file&.unlink
    end
  end
end