code: public static File createCsvFile(String outputCsvPath, String mode) {
          return createCsvFile(outputCsvPath, mode, null);
      }
docs: Generate an ACMO CSV file object with a non-repeated file name in the
  given directory. The naming rule is as follow,
  ACMO-[Region]-[stratum]-[climate_id]-[RAP_id]-[Management_id]-[model].csv
  
  @param outputCsvPath The output path for CSV file
  @param mode The name of model which provide the model output data
  @return The {@code File} for CSV file