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/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

/*
 * This code is based on the original source code of Lord Avalot d'Argent version 1.3.
 * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
 */

/*#include "Dos.h"*/
/*#include "Crt.h"*/

namespace Avalanche {

searchrec s;
string x, y;
longint hash_time, s_time;
boolean s_exists;

void find_out_about_s(string name) {
	searchrec ss;
	findfirst(name, anyfile, ss);
	s_exists = doserror == 0;

	if (s_exists)
		s_time = ss.time;
}

void get_y() {
	y = x;
	if (set::of(range('0', '9'), eos).has(x[2]))
		y[1] = 'h';
	else if (x[3] == 'K')
		y[1] = 'a';
	else
		y[1] = 's';
}

void rename_it() {
	untyped_file f;

	output << x << " -> " << y;
	assign(f, x);
	reset(f);
	rename(f, y);
	close(f);
	output << " ...done." << NL;
}

int main(int argc, const char *argv[]) {
	pio_initialize(argc, argv);
	output << NL;
	findfirst("#*.*", anyfile, s);
	while (doserror == 0) {
		x = s.name;
		get_y();
		hash_time = s.time;
		output << format(x, 15);
		clreol;
		find_out_about_s(y);
		if (s_exists) {
			output << ": s exists and is ";
			if (s_time < hash_time)
				output << "NEWER!" << NL;
			else if (s_time == hash_time)
				output << string("equal.") + '\15';
			else output << "older." << NL;
		} else {
			output << " ... NO S FOUND! Renaming...";
			rename_it();
		}

		findnext(s);
	}
	return EXIT_SUCCESS;
}

} // End of namespace Avalanche.