/*
 * Copyright (c) 2007, Novell Inc.
 *
 * This program is licensed under the BSD license, read LICENSE.BSD
 * for further information
 */

#define _GNU_SOURCE

#include <sys/types.h>
#include <limits.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <zlib.h>

#include "pool.h"
#include "repo.h"
#include "repo_rpmmd.h"
#include "common_write.h"
#include "solv_xfopen.h"


static void
usage(int status)
{
  fprintf(stderr, "\nUsage:\n"
          "rpmmd2solv [-a][-h][-n <attrname>][-l <locale>]\n"
	  "  reads 'primary' from a 'rpmmd' repository from <stdin> and writes a .solv file to <stdout>\n"
	  "  -h : print help & exit\n"
	  "  -n <name>: save attributes as <name>.attr\n"
	  "  -l <locale>: parse localization data for <locale>\n"
	 );
   exit(status);
}

int
main(int argc, char **argv)
{
  int c, flags = 0;
  const char *attrname = 0;
  const char *basefile = 0;
  const char *dir = 0;
  const char *locale = 0;
  
  Pool *pool = pool_create();
  Repo *repo = repo_create(pool, "<stdin>");

  while ((c = getopt (argc, argv, "hn:b:d:l:")) >= 0)
    {
      switch(c)
	{
        case 'h':
          usage(0);
          break;
        case 'n':
          attrname = optarg;
          break;
        case 'b':
          basefile = optarg;
          break;
        case 'd':
          dir = optarg;
          break;
	case 'l':
	  locale = optarg;
	  break;
        default:
          usage(1);
          break;
	}
    }
  if (dir)
    {
      FILE *fp;
      int l;
      char *fnp;
      l = strlen(dir) + 128;
      fnp = solv_malloc(l+1);
      snprintf(fnp, l, "%s/primary.xml.gz", dir);
      if (!(fp = solv_xfopen(fnp, 0)))
	{
	  perror(fnp);
	  exit(1);
	}
      if (repo_add_rpmmd(repo, fp, 0, flags))
	{
	  fprintf(stderr, "rpmmd2solv: %s: %s\n", fnp, pool_errstr(pool));
	  exit(1);
	}
      fclose(fp);
      snprintf(fnp, l, "%s/diskusagedata.xml.gz", dir);
      if ((fp = solv_xfopen(fnp, 0)))
	{
	  if (repo_add_rpmmd(repo, fp, 0, flags))
	    {
	      fprintf(stderr, "rpmmd2solv: %s: %s\n", fnp, pool_errstr(pool));
	      exit(1);
	    }
	  fclose(fp);
	}
      if (locale)
	{
	  if (snprintf(fnp, l, "%s/translation-%s.xml.gz", dir, locale) >= l)
	    {
	      fprintf(stderr, "-l parameter too long\n");
	      exit(1);
	    }
	  while (!(fp = solv_xfopen(fnp, 0)))
	    {
	      fprintf(stderr, "not opened %s\n", fnp);
	      if (strlen(locale) > 2)
		{
		  if (snprintf(fnp, l, "%s/translation-%.2s.xml.gz", dir, locale) >= l)
		    {
		      fprintf(stderr, "-l parameter too long\n");
		      exit(1);
		    }
		  if ((fp = solv_xfopen(fnp, 0)))
		    break;
		}
	      perror(fnp);
	      exit(1);
	    }
	  fprintf(stderr, "opened %s\n", fnp);
	  if (repo_add_rpmmd(repo, fp, 0, flags))
	    {
	      fprintf(stderr, "rpmmd2solv: %s: %s\n", fnp, pool_errstr(pool));
	      exit(1);
	    }
	  fclose(fp);
	}
      solv_free(fnp);
    }
  else
    {
      if (repo_add_rpmmd(repo, stdin, 0, flags))
	{
	  fprintf(stderr, "rpmmd2solv: %s\n", pool_errstr(pool));
	  exit(1);
	}
    }
  tool_write(repo, basefile, attrname);
  pool_free(pool);
  exit(0);
}