//
// main.cc for pekwm
// Copyright (C) 2003-2004 Claes Nasten <pekdon{@}pekdon{.}net>
//
// main.cc for aewm++
// Copyright (C) 2000 Frank Hale <frankhale@yahoo.com>
// http://sapphire.sourceforge.net/
//
// This program is licensed under the GNU GPL.
// See the LICENSE file for more information.
//

#include "../config.h"
#include "PWinObj.hh"
#include "PDecor.hh"
#include "Client.hh"
#include "Frame.hh"
#include "WindowManager.hh"
#include "Util.hh"

#include <iostream>
#include <string>
#include <cstring>

extern "C" {
#include <unistd.h> // execlp
#include <locale.h>
}

using std::cout;
using std::endl;
using std::string;

namespace Info {

	//! @brief Prints version
	void
	printVersion(void)
	{
		cout << "pekwm: version " << VERSION << EXTRA_VERSION_INFO << endl;
	}

	//! @brief Prints version and availible options
	void
	printUsage(void)
	{
		printVersion();
		cout << " --help       show this info." << endl;
		cout << " --version    show version info" << endl;
		cout << " --info       extended info. Use for bug reports." << endl;
		cout << " --display    display to connect to" << endl;
		cout << " --config     alternative config file" << endl;
	}

	//! @brief Prints version and build-time options
	void
	printInfo(void)
	{
		printVersion();
		cout << "features: " << FEATURES << endl;
	}

} // end namespace Info

//! @brief Main function of pekwm
int
main(int argc, char **argv)
{
	string config_file;
	string command_line;

	setlocale(LC_CTYPE, "");

	// build commandline
	for (int i = 0; i < argc; ++i) {
		command_line = command_line + argv[i] + " ";
	}

	// get the args and test for different options
	for (int i = 1; i < argc; ++i)	{
		if ((strcmp("--display", argv[i]) == 0) && ((i + 1) < argc)) {
			setenv("DISPLAY", argv[++i], 1);
		}	else if ((strcmp("--config", argv[i]) == 0) && ((i + 1) < argc)) {
			config_file = argv[++i];
		} else if (strcmp("--version", argv[i]) == 0) {
			Info::printVersion();
			exit(0);
		} else if (strcmp("--info", argv[i]) == 0) {
			Info::printInfo();
			exit(0);
		} else if (strcmp("--help", argv[i]) || !strcmp("-h", argv[i]) == 0) {
			Info::printUsage();
			exit(0);
		}
	}

	// read in the environment
	if ((config_file.size() == 0) && (getenv("PEKWM_CONFIG_FILE") != NULL)) {
		config_file = getenv("PEKWM_CONFIG_FILE");
	}

#ifdef DEBUG
	cout << "Starting pekwm. Use this information in bug reports:" << endl;
	Info::printInfo();
#endif // DEBUG

	WindowManager *pekwm = new WindowManager(command_line, config_file);

	// see if we wanted to restart
	if (pekwm->getRestartCommand().size() > 0) {
		string restart_command = pekwm->getRestartCommand();

		// cleanup before restarting
		delete pekwm;

		execlp("/bin/sh", "sh" , "-c", restart_command.c_str(), (char*) NULL);
	}

	delete pekwm;

	return 0;
}