/*
 * OpenClonk, http://www.openclonk.org
 *
 * Copyright (c) 2009-2016, The OpenClonk Team and contributors
 *
 * Distributed under the terms of the ISC license; see accompanying file
 * "COPYING" for details.
 *
 * "Clonk" is a registered trademark of Matthes Bender, used with permission.
 * See accompanying file "TRADEMARK" for details.
 *
 * To redistribute this file separately, substitute the full license texts
 * for the above references.
 */
 
#include "C4Include.h"
#include "graphics/C4DrawGL.h"
#include "platform/C4Window.h"
#include "C4Version.h"
#include "game/C4Application.h"
#include "lib/C4Rect.h"
#include "game/C4FullScreen.h"
#include "editor/C4Console.h"
#include "editor/C4ViewportWindow.h"

#import <AppKit/AppKit.h>
#import "platform/C4WindowController.h"
#import "graphics/C4DrawGLMac.h"

#ifdef USE_COCOA

#define ctrler (this->objectiveCObject<C4WindowController>())

C4Window::C4Window ():
	Active(false),
	pSurface(0)
{}

C4Window::~C4Window () {}

static NSString* windowXibNameForWindowKind(C4Window::WindowKind kind)
{
	switch (kind)
	{
	case C4Window::W_GuiWindow:
	case C4Window::W_Console:
		return @"EditorGUIWindow";
	case C4Window::W_Fullscreen:
		return @"FullScreen";
	case C4Window::W_Viewport:
		return @"EditorViewport";
	default:
		return nil;
	}
}

C4Window * C4Window::Init(C4Window::WindowKind windowKind, C4AbstractApp * pApp, const char * Title, const C4Rect * size)
{
	Active = true;
    
#ifdef WITH_QT_EDITOR
    // embed into editor: Viewport widget creation handled by C4ConsoleQt
    ::Console.AddViewport(static_cast<C4ViewportWindow *>(this));
    return this;
#else

	// Create window
	C4WindowController* controller = [C4WindowController new];
	setObjectiveCObject(controller);
	[NSBundle loadNibNamed:windowXibNameForWindowKind(windowKind) owner:controller];
	[controller setStdWindow:this];
	if (windowKind != W_GuiWindow && windowKind != W_Console)
	{
		if (lionAndBeyond())
			[controller.window setCollectionBehavior:[controller.window collectionBehavior] | NSWindowCollectionBehaviorFullScreenPrimary];
	}
	SetTitle(Title);
	eKind = windowKind;
	return this;
#endif
}

void C4Window::Clear()
{
	// Destroy window
	C4WindowController* controller = ctrler;
	if (controller)
	{
		[controller.openGLView setNeedsDisplay:NO];
		[controller.openGLView removeFromSuperview];
		[controller setStdWindow:NULL];
		[controller close];
		setObjectiveCObject(nil);
	}
}

bool C4Window::StorePosition(const char *szWindowName, const char *szSubKey, bool fStoreSize)
{
	[ctrler setWindowFrameAutosaveName:[NSString stringWithFormat:@"%s_%s", szWindowName, szSubKey]];
	return true;
}

bool C4Window::RestorePosition(const char *szWindowName, const char *szSubKey, bool fHidden)
{
	StorePosition(szWindowName, szSubKey, true);
	if (fHidden)
		[ctrler.window orderOut:ctrler];
	else
		[ctrler.window orderFront:ctrler];
	return true;
}

void C4Window::SetTitle(const char *szToTitle)
{
	C4WindowController* controller;
	if ((controller = ctrler) && controller.window)
		[controller.window setTitle:[NSString stringWithUTF8String:szToTitle ? szToTitle : ""]];
}

bool C4Window::GetSize(C4Rect * pRect)
{
	if (this == &::FullScreen)
	{
		pRect->x = 0;
		pRect->y = 0;
		pRect->Wdt = ActualFullscreenX;
		pRect->Hgt = ActualFullscreenY;
	}
	else
	{
		C4WindowController* controller = ctrler;
		NSView* view = controller.openGLView ? controller.openGLView : controller.window.contentView;
		NSRect r = [view frame];
		pRect->x = 0;
		pRect->y = 0;
		pRect->Wdt = r.size.width;
		pRect->Hgt = r.size.height;
	}
	return true;
}

void C4Window::SetSize(unsigned int cx, unsigned int cy)
{
	C4WindowController* controller = ctrler;
	[controller setContentSize:NSMakeSize(cx, cy)];
}

void C4Window::GrabMouse(bool grab)
{
	// TODO
}

void C4Window::RequestUpdate()
{
	[ctrler.openGLView display];
}

bool C4Window::ReInit(C4AbstractApp* pApp)
{
	return true;
}

C4KeyCode K_SHIFT_L = 56 + CocoaKeycodeOffset;
C4KeyCode K_SHIFT_R = 60 + CocoaKeycodeOffset;
C4KeyCode K_CONTROL_L = 0x3b + CocoaKeycodeOffset;
C4KeyCode K_CONTROL_R = 0x3e + CocoaKeycodeOffset;
C4KeyCode K_ALT_L = 58 + CocoaKeycodeOffset;
C4KeyCode K_ALT_R = 61 + CocoaKeycodeOffset;
C4KeyCode K_COMMAND_L = 55 + CocoaKeycodeOffset;
C4KeyCode K_COMMAND_R = 54 + CocoaKeycodeOffset;
C4KeyCode K_F1 = 122 + CocoaKeycodeOffset;
C4KeyCode K_F2 = 120 + CocoaKeycodeOffset;
C4KeyCode K_F3 = 99 + CocoaKeycodeOffset;
C4KeyCode K_F4 = 118 + CocoaKeycodeOffset;
C4KeyCode K_F5 = 96 + CocoaKeycodeOffset;
C4KeyCode K_F6 = 97 + CocoaKeycodeOffset;
C4KeyCode K_F7 = 98 + CocoaKeycodeOffset;
C4KeyCode K_F8 = 100 + CocoaKeycodeOffset;
C4KeyCode K_F9 = 101 + CocoaKeycodeOffset;
C4KeyCode K_F10 = 109 + CocoaKeycodeOffset;
C4KeyCode K_F11 = 103 + CocoaKeycodeOffset;
C4KeyCode K_F12 = 111 + CocoaKeycodeOffset;
C4KeyCode K_ADD = 69 + CocoaKeycodeOffset;
C4KeyCode K_SUBTRACT = 78 + CocoaKeycodeOffset;
C4KeyCode K_MULTIPLY = 67 + CocoaKeycodeOffset;
C4KeyCode K_ESCAPE = 53 + CocoaKeycodeOffset;
C4KeyCode K_PAUSE = NSPauseFunctionKey + CocoaKeycodeOffset;
C4KeyCode K_TAB = 48 + CocoaKeycodeOffset;
C4KeyCode K_RETURN = 36 + CocoaKeycodeOffset;
C4KeyCode K_DELETE = 117 + CocoaKeycodeOffset;
C4KeyCode K_INSERT = 125125125 + CocoaKeycodeOffset;
C4KeyCode K_BACK = 51 + CocoaKeycodeOffset;
C4KeyCode K_SPACE = 49 + CocoaKeycodeOffset;
C4KeyCode K_UP = 126 + CocoaKeycodeOffset;
C4KeyCode K_DOWN = 125 + CocoaKeycodeOffset;
C4KeyCode K_LEFT = 123 + CocoaKeycodeOffset;
C4KeyCode K_RIGHT = 124 + CocoaKeycodeOffset;
C4KeyCode K_HOME = 115 + CocoaKeycodeOffset;
C4KeyCode K_END = 119 + CocoaKeycodeOffset;
C4KeyCode K_SCROLL = 1000 + CocoaKeycodeOffset;
C4KeyCode K_MENU = 1000 + CocoaKeycodeOffset;
C4KeyCode K_PAGEUP = 116 + CocoaKeycodeOffset;
C4KeyCode K_PAGEDOWN = 121 + CocoaKeycodeOffset;
C4KeyCode K_M = 46 + CocoaKeycodeOffset;
C4KeyCode K_T = 17 + CocoaKeycodeOffset;
C4KeyCode K_W = 13 + CocoaKeycodeOffset;
C4KeyCode K_I = 34 + CocoaKeycodeOffset;
C4KeyCode K_C = 8 + CocoaKeycodeOffset;
C4KeyCode K_V = 9 + CocoaKeycodeOffset;
C4KeyCode K_X = 7 + CocoaKeycodeOffset;
C4KeyCode K_A = 0 + CocoaKeycodeOffset;
C4KeyCode K_S = 1 + CocoaKeycodeOffset;

// FIXME
C4KeyCode K_PRINT = -100;
C4KeyCode K_CENTER = -101;
C4KeyCode K_NUM = -102;

int MK_SHIFT = NSShiftKeyMask;
int MK_CONTROL = NSControlKeyMask;
int MK_ALT = NSAlternateKeyMask;

#endif