/*---------------------------------------------------------------------------*
  Project:  SystemUpdater
  File:     process_select_region.c

  Copyright 2008 Nintendo.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Date::            $
  $Rev$
  $Author$
 *---------------------------------------------------------------------------*/

#include <twl.h>
#include "font.h"
#include "graphics.h"
#include "keypad.h"
#include "kami_global.h"
#include "debugger_hw_reset_control.h"
#include "debugger_card_rom.h"

#ifdef DISABLE_CK_REGION
#define    SELECT_MAX             OS_TWL_REGION_CHINA
#else
#define    SELECT_MAX             OS_TWL_REGION_MAX
#endif

/*---------------------------------------------------------------------------*
    型定義
 *---------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------*
    グローバル変数定義
 *---------------------------------------------------------------------------*/

OSTWLRegion gRegion = OS_TWL_REGION_JAPAN;

/*---------------------------------------------------------------------------*
    内部定数定義
 *---------------------------------------------------------------------------*/

static const u16 POS_Y_JAPAN     =  44;
static const u16 POS_Y_AMERICA   =  56;
static const u16 POS_Y_EUROPE    =  68;
static const u16 POS_Y_AUSTRALIA =  80;
static const u16 POS_Y_CHINA     =  92;
static const u16 POS_Y_KOREA     = 104;

/*---------------------------------------------------------------------------*
    内部変数定義
 *---------------------------------------------------------------------------*/

static const u16 sPosArray[OS_TWL_REGION_MAX] =
{
	POS_Y_JAPAN,
	POS_Y_AMERICA,
	POS_Y_EUROPE,
	POS_Y_AUSTRALIA,
	POS_Y_CHINA,
	POS_Y_KOREA
};

const u16* sRegionStringArray[OS_TWL_REGION_MAX] =
{
	L"region Japan",
	L"region America",
	L"region Europe",
	L"region Australia",
	L"region China",
	L"region Korea"
};

/*---------------------------------------------------------------------------*
    内部関数定義
 *---------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------*
  Name:         ProcessSelectRegion

  Description:  

  Arguments:    なし。

  Returns:      なし。
 *---------------------------------------------------------------------------*/
void ProcessSelectRegion(void)
{
	OS_WaitVBlankIntr();
	NNS_G2dCharCanvasClearArea(&gCanvas,  TXT_COLOR_WHITE, 0,  30, 256, 100);
	OS_WaitVBlankIntr();
	NNS_G2dCharCanvasClearArea(&gCanvas2, TXT_COLOR_BLACK, 0, 130, 256,  62);
	OS_WaitVBlankIntr();
#ifndef JP_REGION_ONLY
    NNS_G2dTextCanvasDrawText(&gTextCanvas2, 60, 140,
        TXT_COLOR_BLACK_BASE, TXT_DRAWTEXT_FLAG_DEFAULT,
        (const char *)
		L"\xe006 change region.\n"
		L"\xe000 choice.\n"
		L"\xe001 cancel.\n"
    );
#else	// JP_REGION_ONLY
    NNS_G2dTextCanvasDrawText(&gTextCanvas2, 60, 140,
        TXT_COLOR_BLACK_BASE, TXT_DRAWTEXT_FLAG_DEFAULT,
        (const char *)
		L"\n"
		L"\xe000 choice.\n"
		L"\xe001 cancel.\n"
    );

#endif 	// JP_REGION_ONLY

	// 液晶を見てください。
	CARD_LockRom((u16)gLockId);
	(void)CARDi_ReadRomIDCoreEx(DEBUGGER_COMMAND_LOOK_SCREEN);
	CARD_UnlockRom((u16)gLockId);

#ifndef JP_REGION_ONLY
	gRegion = OS_GetRegion();
	// 中韓リージョンの本体に中韓非対応 Updater を使うと飛び越えるので対応
	if (gRegion >= SELECT_MAX)
	{
		gRegion = OS_TWL_REGION_JAPAN;
	}
#endif // JP_REGION_ONLY

	while(1)
	{
#ifndef JP_REGION_ONLY
		s32 i;
#endif // JP_REGION_ONLY

		G3X_Reset();
		G3_Identity();
		G3_PolygonAttr(GX_LIGHTMASK_NONE, GX_POLYGONMODE_DECAL, GX_CULL_NONE, 0, 31, 0);

		kamiPadRead();

#ifdef SKIP_WRITE_HWINFO
		if (FadeInMaster())
		{
			break;
		}
#else
		if (FadeInMaster())
		{

#ifndef JP_REGION_ONLY
			if (kamiPadIsRepeatTrigger(PAD_KEY_DOWN))
			{
				if (++gRegion >= SELECT_MAX)
				{
					gRegion = OS_TWL_REGION_JAPAN;
				}
			}
			else if (kamiPadIsRepeatTrigger(PAD_KEY_UP))
			{
				if (--gRegion < OS_TWL_REGION_JAPAN)
				{
					gRegion = (OSTWLRegion)(SELECT_MAX-1);
				}
			}
#endif // JP_REGION_ONLY

			if (kamiPadIsTrigger(PAD_BUTTON_B))
			{
				while (!FadeOutTick())
				{
				    OS_WaitVBlankIntr();
				}
				ProcessCancel((const char *)L"\n    Update was Canceled.");
			}
			else if (kamiPadIsTrigger(PAD_BUTTON_A))
			{
				break;
			}
		}
#endif

#ifndef JP_REGION_ONLY
		for (i=0;i<SELECT_MAX;i++)
		{
			if (gRegion != i)
			{
			    NNS_G2dTextCanvasDrawText(&gTextCanvas, 76, sPosArray[i], TXT_COLOR_WHITE_BASE, TXT_DRAWTEXT_FLAG_DEFAULT, (const char*)sRegionStringArray[i]);
			}
			else
			{
			    NNS_G2dTextCanvasDrawText(&gTextCanvas, 76, sPosArray[i], TXT_COLOR_FREE_BASE, TXT_DRAWTEXT_FLAG_DEFAULT, (const char*)sRegionStringArray[i]);
			}
		}
#else  // JP_REGION_ONLY
			    NNS_G2dTextCanvasDrawText(&gTextCanvas, 76, sPosArray[0], TXT_COLOR_FREE_BASE, TXT_DRAWTEXT_FLAG_DEFAULT, (const char*)sRegionStringArray[0]);
#endif // JP_REGION_ONLY

		DrawQuadWithColors(   0,  (s16)(sPosArray[gRegion]+2),  84, (s16)(sPosArray[gRegion]+12), GX_RGB(31, 31, 31), GX_RGB(22, 28, 31));
		DrawQuadWithColors(  84,  (s16)(sPosArray[gRegion]+2), 172, (s16)(sPosArray[gRegion]+12), GX_RGB(22, 28, 31), GX_RGB(22, 28, 31));
		DrawQuadWithColors( 172,  (s16)(sPosArray[gRegion]+2), 256, (s16)(sPosArray[gRegion]+12), GX_RGB(22, 28, 31), GX_RGB(31, 31, 31));

		G3_SwapBuffers(GX_SORTMODE_AUTO, GX_BUFFERMODE_W);

	    OS_WaitVBlankIntr();
	}

	while (!FadeOutTick())
	{
	    OS_WaitVBlankIntr();
	}
}