/*
	This file is part of Warzone 2100.
	Copyright (C) 2007  Giel van Schijndel
	Copyright (C) 2007-2013  Warzone 2100 Project

	Warzone 2100 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.

	Warzone 2100 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 Warzone 2100; if not, write to the Free Software
	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/

#include "lib/framework/frame.h"
#include "lib/framework/debug.h"
#include "lib/framework/string_ext.h"
#include "lib/framework/stdio_ext.h"
#include "version.h"
#include "stringdef.h"

#include "src/autorevision.h"

static const char vcs_branch_cstr[] = VCS_BRANCH;
static const char vcs_tag[] = VCS_TAG;

/** Composes a nicely formatted version string.
* Determine if we are on a tag (which will NOT show the hash)
* or a branch (which WILL show the hash)
* or in a detached state (which WILL show the hash)
*/
const char *version_getVersionString()
{
	static const char* version_string = NULL;

	if (version_string == NULL)
	{
		if (strlen(vcs_tag))
		{
			version_string = vcs_tag;
		}
		else if (strlen(vcs_branch_cstr))
		{
			version_string = (VCS_BRANCH " " VCS_SHORT_HASH);
		}
		else
		{	// not a branch or a tag, so we are detached most likely.
			version_string = VCS_EXTRA;
		}
	}

	return version_string;
}

/** Composes a nicely formatted version string.
*
*/
const char *version_getFormattedVersionString()
{
	static char versionString[MAX_STR_LENGTH] = {'\0'};

	if (versionString[0] == '\0')
	{
		// Compose the working copy state string
#if (VCS_WC_MODIFIED)
		const char* wc_state = _(" (modified locally)");
#else
		const char* wc_state = "";
#endif
		// Compose the build type string
#ifdef DEBUG
		const char* build_type = _(" - DEBUG");
#else
		const char* build_type = "";
#endif

		// Construct the version string
		// TRANSLATORS: This string looks as follows when expanded.
		// "Version <version name/number> <working copy state><BUILD DATE><BUILD TYPE>"
		snprintf(versionString, MAX_STR_LENGTH, _("Version: %s,%s Built:%s%s"), version_getVersionString(), wc_state, __DATE__, build_type);
	}

	return versionString;
}