/*************************************************************************/
/*  godot_osx.mm                                                         */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#include <sys/param.h> /* for MAXPATHLEN */
#include <unistd.h>
#include "godot_osx.h"

/* For some reaon, Apple removed setAppleMenu from the headers in 10.4,
 but the method still is there and works. To avoid warnings, we declare
 it ourselves here. */
@interface NSApplication()
- (void)setAppleMenu:(NSMenu *)menu;
@end

static int    global_argc;
static char  **global_argv;
static BOOL   gCalledAppMainline = FALSE;

static NSString *getApplicationName(void)
{
    const NSDictionary *dict;
    NSString *appName = 0;

    /* Determine the application name */
    dict = (const NSDictionary *)CFBundleGetInfoDictionary(CFBundleGetMainBundle());
    if (dict)
        appName = [dict objectForKey: @"CFBundleName"];

    if (![appName length])
        appName = [[NSProcessInfo processInfo] processName];

    return appName;
}

/* The main class of the application, the application's delegate */
@implementation GodotMain

static void setApplicationMenu(void)
{
    /* warning: this code is very odd */
    NSMenu *appleMenu;
    NSMenuItem *menuItem;
    NSString *title;
    NSString *appName;

    appName = getApplicationName();
    appleMenu = [[NSMenu alloc] initWithTitle:@""];

    /* Add menu items */
    title = [@"About " stringByAppendingString:appName];
    [appleMenu addItemWithTitle:title action:@selector(orderFrontStandardAboutPanel:) keyEquivalent:@""];

    [appleMenu addItem:[NSMenuItem separatorItem]];

    title = [@"Hide " stringByAppendingString:appName];
    [appleMenu addItemWithTitle:title action:@selector(hide:) keyEquivalent:@"h"];

    menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others" action:@selector(hideOtherApplications:) keyEquivalent:@"h"];
    [menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];

    [appleMenu addItemWithTitle:@"Show All" action:@selector(unhideAllApplications:) keyEquivalent:@""];

    [appleMenu addItem:[NSMenuItem separatorItem]];

    title = [@"Quit " stringByAppendingString:appName];
    [appleMenu addItemWithTitle:title action:@selector(terminate:) keyEquivalent:@"q"];


    /* Put menu into the menubar */
    menuItem = [[NSMenuItem alloc] initWithTitle:@"" action:nil keyEquivalent:@""];
    [menuItem setSubmenu:appleMenu];
    [[NSApp mainMenu] addItem:menuItem];

    /* Tell the application object that this is now the application menu */
    [NSApp setAppleMenu:appleMenu];

    /* Finally give up our references to the objects */
    [appleMenu release];
    [menuItem release];
}

/* Create a window menu */
static void setupWindowMenu(void)
{
    NSMenu      *windowMenu;
    NSMenuItem  *windowMenuItem;
    NSMenuItem  *menuItem;

    windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];

    /* "Minimize" item */
    menuItem = [[NSMenuItem alloc] initWithTitle:@"Minimize" action:@selector(performMiniaturize:) keyEquivalent:@"m"];
    [windowMenu addItem:menuItem];
    [menuItem release];

    /* Put menu into the menubar */
    windowMenuItem = [[NSMenuItem alloc] initWithTitle:@"Window" action:nil keyEquivalent:@""];
    [windowMenuItem setSubmenu:windowMenu];
    [[NSApp mainMenu] addItem:windowMenuItem];

    /* Tell the application object that this is now the window menu */
    [NSApp setWindowsMenu:windowMenu];

    /* Finally give up our references to the objects */
    [windowMenu release];
    [windowMenuItem release];
}

/* Replacement for NSApplicationMain */
static void CustomApplicationMain (int argc, char **argv)
{
    NSAutoreleasePool	*pool = [[NSAutoreleasePool alloc] init];
	GodotMain				*main;

    /* Ensure the application object is initialised */
    [NSApplication sharedApplication];

    /* Set up the menubar */
    [NSApp setMainMenu:[[NSMenu alloc] init]];
    setApplicationMenu();
    setupWindowMenu();

	main = [[main alloc] init];
	[NSApp setDelegate:main];

    /* Start the main event loop */
    [NSApp run];

	[main release];
    [pool release];
}

extern int godot_main(int argc, char** argv);

/* Called when the internal event loop has just started running */
- (void) applicationDidFinishLaunching: (NSNotification *) note
{
    int status;

    /* Hand off to main application code */
    gCalledAppMainline = TRUE;

	int ret = godot_main(global_argc, global_argv);

	exit(ret);
}
@end

#ifdef main
#  undef main
#endif


int main (int argc, char **argv)
{
    /* Copy the arguments into a global variable */
    /* This is passed if we are launched by double-clicking */
    if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
		global_argv = (char **) malloc(sizeof (char *) * 2);
		global_argv[0] = argv[0];
		global_argv[1] = NULL;
		global_argc = 1;

		// chdir to binary's dir when launched from finder
		int len = strlen(global_argv[0]);

		while (len--){
			if (global_argv[0][len] == '/') break;
		}

		if (len>=0) {
			char *path = (char *)malloc(len+1);
			memcpy(path, global_argv[0], len);
			path[len]=0;
			printf("Path: %s\n", path);
			chdir(path);
		}

    } else {
        int i;
		global_argc = argc;
		global_argv = (char **) malloc(sizeof (char *) * (argc+1));
        for (i = 0; i <= argc; i++)
			global_argv[i] = argv[i];
    }

    CustomApplicationMain (argc, argv);
    return 0;
}