/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "prinit.h"
#include "prio.h"
#include "prprf.h"
#include "prdtoa.h"
#include "plgetopt.h"

#include <stdlib.h>

static void Help(void) {
  PRFileDesc* err = PR_GetSpecialFD(PR_StandardError);
  PR_fprintf(err, "Usage: /.strod [-n n] [-l n] [-h]\n");
  PR_fprintf(err,
             "\t-n n Number to translate    (default: 1234567890123456789)\n");
  PR_fprintf(err, "\t-l n Times to loop the test (default: 1)\n");
  PR_fprintf(err, "\t-h   This message and nothing else\n");
} /* Help */

static PRIntn PR_CALLBACK RealMain(PRIntn argc, char** argv) {
  PLOptStatus os;
  PRIntn loops = 1;
  PRFloat64 answer;
  const char* number = "1234567890123456789";
  PRFileDesc* err = PR_GetSpecialFD(PR_StandardError);
  PLOptState* opt = PL_CreateOptState(argc, argv, "hc:l:");

  while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
    if (PL_OPT_BAD == os) {
      continue;
    }
    switch (opt->option) {
      case 'n': /* number to translate */
        number = opt->value;
        break;
      case 'l': /* number of times to run the tests */
        loops = atoi(opt->value);
        break;
      case 'h':   /* user wants some guidance */
        Help();   /* so give him an earful */
        return 2; /* but not a lot else */
        break;
      default:
        break;
    }
  }
  PL_DestroyOptState(opt);

  PR_fprintf(err, "Settings\n");
  PR_fprintf(err, "\tNumber to translate %s\n", number);
  PR_fprintf(err, "\tLoops to run test: %d\n", loops);

  while (loops--) {
    answer = PR_strtod(number, NULL);
    PR_fprintf(err, "Translation = %20.0f\n", answer);
  }
  return 0;
}

int main(int argc, char** argv) {
  PRIntn rv;

  rv = PR_Initialize(RealMain, argc, argv, 0);
  return rv;
} /* main */