/* Copyright (C) 2019  C. McEnroe <june@causal.agency>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

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

#include <SDL.h>

#include "cards.h"

static int fail(const char *prefix) {
	fprintf(stderr, "%s: %s\n", prefix, SDL_GetError());
	return EXIT_FAILURE;
}

int main(int argc, char *argv[]) {
	struct SDL_RWops *rw;
	if (argc > 1) {
		rw = SDL_RWFromFile(argv[1], "rb");
	} else {
		rw = SDL_RWFromFP(stdin, SDL_FALSE);
	}
	if (!rw) return fail("SDL_RWFromFile");

	struct Cards *cards = Cards_Load(rw, 0);
	if (!cards) return fail("Cards_Load");
	SDL_RWclose(rw);

	for (int i = 0; i < Cards_Count; ++i) {
		if (!cards->surfaces[i]) continue;
		char name[sizeof("00.bmp")];
		snprintf(name, sizeof(name), "%02d.bmp", i);
		int error = SDL_SaveBMP(cards->surfaces[i], name);
		if (error) return fail("SDL_SaveBMP");
	}

	Cards_Free(cards);
}