#include <cassert>

#include <Cocoa/Cocoa.h>

#include "MenuLoader.h"
#include "CocoaUtils.h"

namespace ROOT {
namespace MacOSX {
namespace Details {

//Fill ROOT's menu (standard Apple's menu at the top of desktop).
//This is a very preliminary version, to be updated/modified.

void PopulateApplicationMenu(NSMenu *submenu);
void PopulateWindowMenu(NSMenu *submenu);
void PopulateHelpMenu(NSMenu *submenu);

//Fill app's menu.

//______________________________________________________________________________
void PopulateMainMenu()
{
   const Util::AutoreleasePool pool;

	NSMenu * const mainMenu = [[NSMenu alloc] initWithTitle : @"NSMainMenu"];
   const Util::NSScopeGuard<NSMenu> mainMenuGuard(mainMenu);
	
	// The strings in the menu bar come from the submenu titles,
	// except for the application menu, whose title is ignored at runtime.
   NSMenuItem *menuItem = [mainMenu addItemWithTitle : @"Apple" action : nil keyEquivalent:@""];
	NSMenu *submenu = [[NSMenu alloc] initWithTitle : @"Apple"];
   const Util::NSScopeGuard<NSMenu> submenuGuard1(submenu);
   
   PopulateApplicationMenu(submenu);
	[mainMenu setSubmenu : submenu forItem : menuItem];
		
	menuItem = [mainMenu addItemWithTitle : @"Window" action : nil keyEquivalent : @""];
	submenu = [[NSMenu alloc] initWithTitle : NSLocalizedString(@"Window", @"The Window menu")];
   const Util::NSScopeGuard<NSMenu> submenuGuard2(submenu);
	PopulateWindowMenu(submenu);
	[mainMenu setSubmenu : submenu forItem : menuItem];
	[NSApp setWindowsMenu : submenu];
	
	menuItem = [mainMenu addItemWithTitle:@"Help" action:NULL keyEquivalent:@""];
	submenu = [[NSMenu alloc] initWithTitle:NSLocalizedString(@"Help", @"The Help menu")];
   const Util::NSScopeGuard<NSMenu> submenuGuard3(submenu);
	PopulateHelpMenu(submenu);
	[mainMenu setSubmenu : submenu forItem : menuItem];
	
	[NSApp setMainMenu : mainMenu];
   [NSMenu setMenuBarVisible : YES];
}

//______________________________________________________________________________
void PopulateApplicationMenu(NSMenu *aMenu)
{
   assert(aMenu != nil && "PopulateApplicationMenu, aMenu parameter is nil");

	NSString * const applicationName = @"root";
	
	NSMenuItem *menuItem = [aMenu addItemWithTitle:[NSString stringWithFormat : @"%@ %@", NSLocalizedString(@"About", nil), applicationName]
                           action : @selector(orderFrontStandardAboutPanel:) keyEquivalent : @""];
	[menuItem setTarget : NSApp];
	[aMenu addItem : [NSMenuItem separatorItem]];
	/*
	menuItem = [aMenu addItemWithTitle : NSLocalizedString(@"Preferences...", nil) action : nil keyEquivalent : @","];
	[aMenu addItem : [NSMenuItem separatorItem]];
	
	menuItem = [aMenu addItemWithTitle : NSLocalizedString(@"Services", nil) action : nil keyEquivalent : @""];




	NSMenu * servicesMenu = [[NSMenu alloc] initWithTitle:@"Services"];
	[aMenu setSubmenu:servicesMenu forItem:menuItem];
	[NSApp setServicesMenu:servicesMenu];
	
	[aMenu addItem:[NSMenuItem separatorItem]];
	*/
   
	menuItem = [aMenu addItemWithTitle:[NSString stringWithFormat:@"%@ %@", NSLocalizedString(@"Hide", nil), applicationName] action : @selector(hide:) keyEquivalent : @"h"];
	[menuItem setTarget : NSApp];
	
	menuItem = [aMenu addItemWithTitle:NSLocalizedString(@"Hide Others", nil) action : @selector(hideOtherApplications:) keyEquivalent : @"h"];
	[menuItem setKeyEquivalentModifierMask : NSCommandKeyMask | NSAlternateKeyMask];
	[menuItem setTarget : NSApp];
	
	menuItem = [aMenu addItemWithTitle:NSLocalizedString(@"Show All", nil) action : @selector(unhideAllApplications:) keyEquivalent : @""];
	[menuItem setTarget : NSApp];
	
	[aMenu addItem : [NSMenuItem separatorItem]];
   //TODO: ROOTApplicationDelegate should implement the corresponding method to quit ROOT appropriately.
	menuItem = [aMenu addItemWithTitle:[NSString stringWithFormat:@"%@ %@", NSLocalizedString(@"Quit", nil), applicationName] action : @selector(terminate:) keyEquivalent : @"q"];
	[menuItem setTarget : NSApp];
}

//______________________________________________________________________________
void PopulateWindowMenu(NSMenu *aMenu)
{
   assert(aMenu != nil && "PopulateWindowMenu, aMenu parameter is nil");

	NSMenuItem *menuItem = [aMenu addItemWithTitle : NSLocalizedString(@"Minimize", nil) action : @selector(performMinimize:) keyEquivalent : @"m"];
	menuItem = [aMenu addItemWithTitle : NSLocalizedString(@"Zoom", nil) action : @selector(performZoom:) keyEquivalent : @""];
	[aMenu addItem : [NSMenuItem separatorItem]];
	menuItem = [aMenu addItemWithTitle : NSLocalizedString(@"Bring All to Front", nil) action : @selector(arrangeInFront:) keyEquivalent : @""];
}

//______________________________________________________________________________
void PopulateHelpMenu(NSMenu *aMenu)
{
   NSMenuItem * const menuItem = [aMenu addItemWithTitle : [NSString stringWithFormat:@"%@ %@", @"root", NSLocalizedString(@"Help", nil)] action : @selector(showHelp:) keyEquivalent : @"?"];
	[menuItem setTarget : NSApp];
}

}//Detail
}//MacOSX
}//ROOT