#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <time.h>
#include <errno.h>
#include "kernel.h"
#include "macros.h"
#include "sflags.h"
#include "pflags.h"
#include "pflagnames.h"
#include <gdbm.h>

extern int getopt (int argc, char **argv, char *optstr);
extern int optind;
extern char *optarg;

void usage (char *progname);

int
main (int argc, char *argv[])
{
  PERSONA p;
  GDBM_FILE dbf;
  datum in;
  datum key;
  datum newkey;
  int option;
  char *filename,ofilename[256];
  time_t earliest=0;
  const int secs_in_a_day = 86400;
  int incl = 0, flags = 0, debug = 0, level = 1, days = 0;
  int playercounter = 0;
  
  while ((option = getopt (argc, argv, "ad:l:fh")) != -1)
    {
      switch (option)
	{
	case 'a':
	  debug++;
	  break;
	case 'h':
	  incl++;
	  break;
	case 'f':
	  flags++;
	  break;
	case 'l':
	  level = atoi (optarg);
	  break;
	case 'd':
	  days = atoi (optarg);
	  break;
	case '?':
	  usage (*argv);
	  exit (1);
	}
    }
  filename = optind < argc ? argv[optind] : DATA_DIR UAF_RAND;
  ofilename[0] = '\0';
  if ((dbf = gdbm_open(filename, sizeof(PERSONA), GDBM_READER,S_IRUSR|S_IWUSR, 0)) == NULL)
    {
      char cmd[1024];
      sprintf(ofilename,"%s.temp",filename);
      sprintf(cmd,"cp %s %s",filename,ofilename);
      system(cmd);
      if((dbf=gdbm_open(ofilename,sizeof(PERSONA),GDBM_READER,S_IRUSR|S_IWUSR, 0)) == NULL)
        {
          perror (ofilename);
          exit (1);
        }
    }
  if (days > 0)
    earliest = time ((time_t *) NULL) - days * secs_in_a_day;
  if (incl)
    {
      if (flags)
      {
        printf ("Name        Sex  Level    Score   Strength   P-Flags");
        printf ("\n------------------------");
      }
      else
      {
        printf ("Name        Sex      Level        Score    Strength");
        printf ("   E-mail\n------------------------");
      }
      printf ("----------------------------------------------------\n\n");
    }
  key = gdbm_firstkey(dbf);
  while (key.dptr != NULL)
    {
      in = gdbm_fetch(dbf, key);
      bcopy(in.dptr,&p,sizeof(PERSONA));
      newkey = gdbm_nextkey(dbf, key);
      if (key.dptr) free (key.dptr);
      key = newkey;
      if ((!debug && (p.p_level < level || *p.p_name == '\0' ||
		     (days > 0 && p.p_last_on < earliest))) || (p.p_level > 99999))
      {
        if (in.dptr) free (in.dptr);
	continue;
      }
playercounter++;
      if (flags)
      {
        printf ("%-13.12s%c %6d %10d %8d   0x%08x%08x%08x\n",
	      p.p_name,
	      xtstbit (p.p_sflags, SFL_FEMALE) ? 'f' : 'm',
	      p.p_level,
	      p.p_score,
	      p.p_strength,
	      (unsigned int)p.p_pflags.b3,
	      (unsigned int)p.p_pflags.b2,
	      (unsigned int)p.p_pflags.b1);
      }
      else
      {
        printf ("%-13.12s%c   %9d   %10d   %9d   %-25.24s\n",
              p.p_name,
              xtstbit (p.p_sflags, SFL_FEMALE) ? 'f' : 'm',
              p.p_level,
              p.p_score,
              p.p_strength,
              p.p_email);
      }
      if (in.dptr) free(in.dptr);
    }
    if (key.dptr) free (key.dptr);    
  gdbm_close (dbf);
  printf("%d users displayed.\n", playercounter);
  if(ofilename[0]) unlink(ofilename);
  return (0);
}

void usage (char *progname)
{
  fprintf (stderr, "Usage: %s <options> <uaf-file>\n\n", progname);
  fprintf (stderr, "Options: -a        All entries (including empty ones)\n");
  fprintf (stderr, "         -d <#>    Only players on the last # days.\n");
  fprintf (stderr, "         -l <level>Only players > level. Default = 1.\n");
  fprintf (stderr, "         -h        Include Header explaning output\n");
  fprintf (stderr, "         -f        Display P-flags\n");
}