# include <getopt.h>	// getopt
# include "qmp3.hh"
# include "qexception.hh"

#ifdef NLS
  # include <locale.h>
  # include <libintl.h>
  # define _(s) gettext (s)
#else
  # define _(s) (s)
#endif

void usage () {
  cerr << ' ' << APPNAME << _(": show info from mp3 files\n");
  cerr << _(" syntax: ") << APPNAME << _(" [option]... file...\n");
  cerr << _("   -c, --check: check the entire stream (slower but accurate)\n");
  cerr << _("   -h, --help: show this help and exit\n");
  cerr << _("   -s, --summary-only: show only the summary\n");
  cerr << _("   -v, --verbose: verbose\n");
  cerr << _("   -V, --version: show version and exit\n");
}


int main (int argc, char **argv) {

  int option;
  bool verbose=false;
  bool summarize=false;
  bool check=false;

  static struct option long_options[] = {
    {"check",no_argument,0,'c'},
    {"help",no_argument,0,'h'},
    {"summary-only",no_argument,0,'s'},
    {"verbose",no_argument,0,'v'},
    {"version",no_argument,0,'V'},
    {0,0,0,0}
  };

#ifdef NLS
  setlocale(LC_ALL, "");
  bindtextdomain(PACKAGE, LOCALEDIR);
  textdomain(PACKAGE);
#endif

 // un altre dia, per defecte llegir *.mp3 ...
  if (argc==1) {
    usage();
    return 1;
  }

 // supress getopt error message
  opterr = 0;	

  while ((option = getopt_long(argc, argv, "chsvV",long_options,0)) != EOF) 
    switch (option) {
      case 'c':
        check=true;
      break;
      case 'h':
        usage();
        return 0;
      break;
      case 's':
        summarize=true;
      break;
      case 'v':
        verbose=true;
      break;
      case 'V':
        cerr << APPNAME << " - " << _("version") << ' ' << VERSION
	     << _("build") << ' ' << __DATE__ << '\n';
        return 0;
      break;      
      case '?':
      default: 
        cerr << APPNAME << ": " << _("option") << " '" << argv[optind-1]
	     << "' " << _("is not recognized or bad used") << '\n';
        usage();
        return 1;
    } 

  if (argc<=optind) {
   // haurķem de fer *.mp3 ...
    cerr << APPNAME << _(": no input file(s)") << endl;
    usage();
    return 1;
  }

  u_int32_t files=0, errors=0;
  u_int32_t msduration, total_msduration=0;
  u_int32_t bytes, frames, total_bytes=0, total_frames=0;

  while (argv[optind]) {

    files++;

    try {

      qmp3 p(argv[optind]);

      if (!check && p.isVbr()) {
        if (verbose)
          cerr << p.getName() << _(": vbr detected => automatic check") << endl;
        check = true;
      }

      if (check)
        p.scan();

      msduration = p.getMsDuration();
      total_msduration += msduration;

      if (!summarize)
        cout << p;

      if (verbose) {
        bytes = p.getSize();
        frames = p.getFrames();

        if (!summarize)
          cout << "  " <<  bytes << " bytes  " << frames << " frames";

        total_bytes += bytes;
        total_frames += frames;
      }             

      if (!summarize)
        cout << endl;
    }
    catch (qexception e) {
      cerr << argv[optind] << ": " << e << endl;
      errors++;
    }

    optind++;
  }

  cout << files << _(" file") << (files>1?"s":"");
  if (errors)
    cout << errors << _(" error") << (errors>1?"s":"");
  if (verbose) {
    cout << " => " << total_msduration/60000 << ":";
    cout.width(2);
    cout.fill('0');
    cout << (total_msduration/1000)%60 << '.';
    cout.width(3);
    cout.fill('0');
    cout << total_msduration%1000 << "  " << total_frames << "  "
         << total_bytes << " bytes\n";
  } else {
    cout << " => " << total_msduration/60000 << ':';
    cout.width(2);
    cout.fill('0');
    cout << (total_msduration/1000)%60 << '\n';
  }
}