/** -*- erwin-c -*-
    erwin - really simple html editor
    Copyright (C) 2002 Adrian Reber
    
    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
    
    File: startup.c
    
    Description: startup functions
    
    Changes:
    
    04 Jul 2002: created
    
*/

/* 	$Id: startup.c,v 1.14 2004/07/03 20:14:25 erwin Exp $	 */

#ifndef lint
static const char vcid[] = "$Id: startup.c,v 1.14 2004/07/03 20:14:25 erwin Exp $";
#endif				/* lint */

#include <config.h>
#include <stdio.h>
#include <string.h>
#include "configuration.h"
#include "erwindef.h"
#include "recent.h"

extern gchar license[];

extern int _debug_;
extern GtkWidget *main_window;

#ifdef ENABLE_DEBUG_OUTPUT
#define _DEBUG_ if(_debug_)
#else
#define _DEBUG_ if(0)
#endif

void show_help()
{
	fprintf(stderr, "Usage: %s [options] file\n\n", PACKAGE);
	fprintf(stderr, "%s is a really simple html editor\n\n", PACKAGE);
	fprintf(stderr, "Options:\n");
	fprintf(stderr, "  -h, --help         Display help information.\n");
	fprintf(stderr, "  -v, --version      Show version information.\n");
	fprintf(stderr, "  -a, --advise       Help me now!\n");
	fprintf(stderr, "  -d, --debug        Enable debug output.\n");
	fprintf(stderr, "  --author           Show author information.\n");
	fprintf(stderr, "  --license          Show license information.\n");
	fprintf(stderr, "  --url              URL of the homepage.\n");
	fprintf(stderr, "\n");
	fprintf(stderr, "Arguments:\n");
	fprintf(stderr, "  file               File to load\n");
}

void print_version()
{
	fprintf(stderr, "build with GTK+: %d.%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION,
	    GTK_MICRO_VERSION);
	fprintf(stderr, "running with GTK+: %d.%d.%d\n", gtk_major_version, gtk_minor_version,
	    gtk_micro_version);
	fprintf(stderr, "%s: %s\n", PACKAGE, VERSION);
}

void dump_license()
{
	fprintf(stderr, "This program is distributed under the terms of the GPL v2.\n\n");
	fprintf(stderr, "%s", license);
}

void show_authors()
{
	fprintf(stderr, "%s was written by\n", PACKAGE);
	fprintf(stderr, "    Davig Vogler <david@rhlx01.fht-esslingen.de>\n");
	fprintf(stderr, "    Adrian Reber <adrian@lisas.de>\n");
}

char *parse_args(int *argc, char **argv)
{
	int i;

	for (i = 1; i < *argc; ++i) {
		if ((strcmp(argv[i], "-d") == 0)
		    || (strcmp(argv[i], "--debug") == 0)) {
#ifdef ENABLE_DEBUG_OUTPUT
			_debug_ = 1;
#else
			_debug_ = 0;
#endif				/* ENABLE_DEBUG_OUTPUT */
			if (_debug_) {
				fprintf(stderr, "%s:debug output enabled\n", PACKAGE);
			} else {
				fprintf(stderr,
				    "%s:not with debug support compiled - no debug output\n", PACKAGE);
			}
		} else if ((strcmp(argv[i], "-h") == 0)
		    || (strcmp(argv[i], "--help") == 0)) {
			show_help();
			exit(1);
		} else if ((strcmp(argv[i], "-v") == 0)
		    || (strcmp(argv[i], "--version") == 0)) {
			print_version();
			exit(1);
		} else if ((strcmp(argv[i], "--license") == 0)) {
			dump_license();
			exit(42);
		} else if ((strcmp(argv[i], "--authors") == 0)) {
			show_authors();
			exit(42);
		} else if ((strcmp(argv[i], "--url") == 0)) {
			fprintf(stderr, "http://lisas.de/erwin/\n");
			exit(41);
		} else if ((strcmp(argv[i], "-a") == 0)
		    || (strcmp(argv[i], "--advise") == 0)) {
			fprintf(stderr, "Don't Panic!\n");
			exit(42);
		} else {
			if ((argv[i][0] == 45) || (argv[i][1] == 45)) {
				fprintf(stderr, "Error on option %s: unkown option.\n", (argv[i]));
				fprintf(stderr,
				    "Run '%s --help' to see a full list of available command line options.",
				    PACKAGE);
				exit(1);
			} else
				return argv[i];
		}
	}
	return NULL;
}

void save_recent()
{
	gchar *error;
	gchar recent[10];
	gint i;

	for (i = 0; i < globals.number_of_recent; i++) {
		snprintf(recent, 10, "recent%d", i);
		if (get_recent(i))
			config_set_string(recent, get_recent(i), &error);
	}
}

void the_end()
{
	gint x, y;
	gchar *error;

	gtk_window_get_position(GTK_WINDOW(main_window), &x, &y);
	config_set_int("width", main_window->allocation.width, &error);
	config_set_int("height", main_window->allocation.height, &error);
	config_set_int("xpos", x, &error);
	config_set_int("ypos", y, &error);
	config_set_int("display_statistic", globals.display_statistic, &error);
	config_set_int("show_quickstart", globals.show_quickstart, &error);
	config_set_int("number_of_recent", globals.number_of_recent, &error);
	config_set_string("default_highlighting", globals.default_highlighting, &error);
	if (globals.default_highlighting)
		free(globals.default_highlighting);
	globals.default_highlighting = NULL;
	save_recent();
	config_sync();
	_DEBUG_ dump_recent();

	fprintf(stderr, "Not a Substitute for Human Interaction\n");
}

void sighandler(int i)
{
	if (i == 2) {
		_DEBUG_ fprintf(stderr, "%s:SIGINT received...\n", PACKAGE);
	} else {
		_DEBUG_ fprintf(stderr, "%s:SIGTERM received...\n", PACKAGE);
	}

	_DEBUG_ fprintf(stderr, "%s:cleaning up...\n", PACKAGE);

	the_end();
	exit(0);
}

void populate_recent()
{
	gchar *error;
	gchar recent[10];
	gint i;

	for (i = globals.number_of_recent + 1; i >= 0; i--) {
		snprintf(recent, 10, "recent%d", i);
		if (config_get_string(recent, &error))
			add_to_recent(config_get_string(recent, &error));
	}
}