// file: $(NEDC_NFC)/class/cpp/Wfdb/wfdb_02.cc
//
// This file contains private methods.
//

// Revision History:
//
// 20240410 (JP): initial version
//

// local include files
//
#include "Wfdb.h"

//*****************************************************************************
//
// private methods: convert_date and convert_string
//
//*****************************************************************************

// method: convert_date
//
// arguments:
//  char* odate1: the converted date in DD-MMM-YYYY format (output)
//  char* odate2: the converted date in DD.MM.YY format (output)
//  char* idate: the original date (input)
//
// return: a boolean value indicating status
//  
// This method converts dates in the format "DD/MM/YY" to "DD-MMM-YYYY"
// and "DD.MM.YY".
//
bool Wfdb::convert_date(char* odate1_a, char* odate2_a, char* idate_a) {

  // declare a mapping of the numeric value of month to the name
  //
  const char * months[12] = {"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL",
    "AUG", "SEP", "OCT", "NOV", "DEC"};

  // copy the argument because strtok destroys it
  //
  char tmp_string[strlen(idate_a) + 1];
  strcpy(tmp_string, idate_a);

  // parse the string for the day
  //
  char* token = strtok(tmp_string, Itgl::SLASH);
  char* DD = token;

  // parse the string for the month
  //
  token = strtok(NULL, Itgl::SLASH);
  long MM = atoi(token);

  // parse the string for the year
  //
  token = strtok(NULL, Itgl::SLASH);
  char* YY = token;

  // create the output format using DD-MMM-YYYY
  //
  sprintf(odate1_a, "%2s-%3s-%4s", DD, months[MM - 1], YY);

  // create the output format using DD.MM.YY: zero pad
  //
  sprintf(odate2_a, "%2s.%02ld.%2s", DD, MM, YY + 2);

  // exit gracefully
  //
  return true;
}

// method: convert_time
//
// arguments:
//  char* otime: the converted time (output)
//  char* itime: the original time  (input)
//
// return: a boolean value indicating status
//  
// This method converts time to a format of 00.00.00.
//
bool Wfdb::convert_time(char* otime_a, char* itime_a) {

  // copy the argument because strtok destroys it
  //
  char tmp_string[strlen(itime_a) + 1];
  strcpy(tmp_string, itime_a);

  // parse the string for the hours
  //
  char* token = strtok(tmp_string, Itgl::COLON);
  char* HH = token;

  // parse the string for the minutes
  //
  token = strtok(NULL, Itgl::COLON);
  char* MM = token;

  // parse the string for the seconds
  //
  token = strtok(NULL, Itgl::COLON);
  char* SS = token;

  // create the output format using DD-MMM-YYYY
  //
  sprintf(otime_a, "%2s.%2s.%2s", HH, MM, SS);

  // exit gracefully
  //
  return true;
}

//
// end of file