#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>

#include "pack.h"

#define USAGE "Usage is: %s output input/s\n", argv[0]

int main(int argc, char** argv) {
  char* packfile;
  char** list;
  uint32_t nlist;
  uint32_t nfiles;
  uint32_t i;

  if(argc == 1) {
    fprintf(stderr, "Missing output file\n");
    goto usage;
  }

  packfile = argv[1];
  nfiles = (uint32_t)argc - 2;
  argv += 2;

  if(nfiles == 0) {
    /* No files, list what it has. */
    list = pack_listfiles(packfile, &nlist);
    fprintf(stdout, "Packfile '%s' contains:\n", packfile);
    for(i = 0; i < nlist; i++) {
      fprintf(stdout, " %04d  %s\n", i, list[i]);
      free(list[i]);
    }
    free(list);
  } else { /* Create a packfile. */
    pack_files(packfile, (const char**)argv, nfiles);
  }

  exit(EXIT_SUCCESS);

usage:
  printf(USAGE);
  exit(EXIT_SUCCESS);
}