/* $Id$ */

#include <AppKit/AppKit.h>

#include <mach/mach.h>

#include <mach/mach_host.h>

#include <mach/host_info.h>

#include <mach/machine.h>

#include <stdio.h>

#include "../../stdafx.h"

#include "../../macros.h"

#ifndef CPU_SUBTYPE_POWERPC_970

#define CPU_SUBTYPE_POWERPC_970 ((cpu_subtype_t) 100)

#endif

/*

 * This file contains objective C

 * Apple uses objective C instead of plain C to interact with OS specific/native functions

 *

 * Note: TrueLight's crosscompiler can handle this, but it likely needs a manual modification for each change in this file.

 * To insure that the crosscompiler still works, let him try any changes before they are committed

 */

void ToggleFullScreen(bool fs);

static char *GetOSString(void)

{

	static char buffer[175];

	const char* CPU;

	char OS[20];

	char newgrf[125];

	long sysVersion;

	extern const char _openttd_revision[];

	// get the hardware info

	host_basic_info_data_t hostInfo;

	mach_msg_type_number_t infoCount;

	infoCount = HOST_BASIC_INFO_COUNT;

	host_info(

		mach_host_self(), HOST_BASIC_INFO, (host_info_t)&hostInfo, &infoCount

	);

	// replace the hardware info with strings, that tells a bit more than just an int

	switch (hostInfo.cpu_subtype) {

#ifdef __POWERPC__

		case CPU_SUBTYPE_POWERPC_750:  CPU = "G3"; break;

		case CPU_SUBTYPE_POWERPC_7400:

		case CPU_SUBTYPE_POWERPC_7450: CPU = "G4"; break;

		case CPU_SUBTYPE_POWERPC_970:  CPU = "G5"; break;

		default:                       CPU = "Unknown PPC"; break;

#else

		/* it looks odd to have a switch for two cases, but it leaves room for easy

		 * expansion. Odds are that Apple will some day use newer CPUs than i686

		 */

		case CPU_SUBTYPE_PENTPRO: CPU = "i686"; break;

		default:                  CPU = "Unknown Intel"; break;

#endif

	}

	// get the version of OSX

	if (Gestalt(gestaltSystemVersion, &sysVersion) != noErr) {

		sprintf(OS, "Undetected");

	} else {

		int majorHiNib = GB(sysVersion, 12, 4);

		int majorLoNib = GB(sysVersion,  8, 4);

		int minorNib   = GB(sysVersion,  4, 4);

		int bugNib     = GB(sysVersion,  0, 4);

		sprintf(OS, "%d%d.%d.%d", majorHiNib, majorLoNib, minorNib, bugNib);

	}

	// make a list of used newgrf files

/*	if (_first_grffile != NULL) {

		char* n = newgrf;

		const GRFFile* file;

		for (file = _first_grffile; file != NULL; file = file->next) {

			n = strecpy(n, " ", lastof(newgrf));

			n = strecpy(n, file->filename, lastof(newgrf));

		}

	} else {*/

		sprintf(newgrf, "none");

//	}

	snprintf(

		buffer, lengthof(buffer),

		"Please add this info: (tip: copy-paste works)\n"

		"CPU: %s, OSX: %s, OpenTTD version: %s\n"

		"NewGRF files:%s",

		CPU, OS, _openttd_revision, newgrf

	);

	return buffer;

}

#ifdef WITH_SDL

void ShowMacDialog(const char* title, const char* message, const char* buttonLabel)

{

	NSRunAlertPanel([NSString stringWithCString: title], [NSString stringWithCString: message], [NSString stringWithCString: buttonLabel], nil, nil);

}

#elif defined WITH_COCOA

void CocoaDialog(const char* title, const char* message, const char* buttonLabel);

void ShowMacDialog(const char* title, const char* message, const char* buttonLabel)

{

	CocoaDialog(title, message, buttonLabel);

}

#else

void ShowMacDialog(const char* title, const char* message, const char* buttonLabel)

{

	fprintf(stderr, "%s: %s\n", title, message);

}

#endif

void ShowMacAssertDialog(const char* function, const char* file, const int line, const char* expression)

{

	const char* buffer =

		[[NSString stringWithFormat:@

			"An assertion has failed and OpenTTD must quit.\n"

			"%s in %s (line %d)\n"

			"\"%s\"\n"

			"\n"

			"You should report this error the OpenTTD developers if you think you found a bug.\n"

			"\n"

			"%s",

			function, file, line, expression, GetOSString()] cString

		];

	NSLog(@"%s", buffer);

	ToggleFullScreen(0);

	ShowMacDialog("Assertion Failed", buffer, "Quit");

	// abort so that a debugger has a chance to notice

	abort();

}

void ShowMacErrorDialog(const char *error)

{

	const char* buffer =

		[[NSString stringWithFormat:@

			"Please update to the newest version of OpenTTD\n"

			"If the problem presists, please report this to\n"

			"http://bugs.openttd.org\n"

			"\n"

			"%s",

			GetOSString()] cString

		];

	ToggleFullScreen(0);

	ShowMacDialog(error, buffer, "Quit");

	abort();

}