/*
    This file is part of bubblebabble.

    Copyright (C) 2018-2025 T.v.Dein.

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

    You can contact me by mail: <tom AT vondein DOT org>.
*/

#include "bubblebabble.h"

int main(int argc, char **argv) {
  FILE *input;
  u_char digest[1024];
  size_t digestlen;
  char *hash;
  int out = 1;

  if (argc < 2) {
    input = stdin;
  } else {
    if ((input = fopen(argv[1], "rb")) == NULL) {
      fprintf(stderr, "oops, could not open file!\n");
      goto done;
    }
  }

  digestlen = fread(digest, 1, 1024, input);

  if (digestlen > 0) {
    hash = fingerprint_bubblebabble(digest, digestlen);
    fprintf(stdout, "%s\n", hash);
    free(hash);
    out = 0;
  } else {
    fprintf(stderr, "oops, could not calculate bubbles!\n");
    goto done;
  }

done:
  return out;
}