#include "includes.h"

extern const Touch_AreaTypeDef *pCurrentTouch_Area;

const Touch_AreaTypeDef Touch_Language_Areas[] =
{
	{  0,   44,   0,   40,   0, 0, GUI_CANCEL, NULL },
	{ UI0902_LANG_BTN_X, (uint16_t)(UI0902_LANG_BTN_X + UI0902_LANG_BTN_W - 1),
	  UI0902_LANG_BTN_Y0, (uint16_t)(UI0902_LANG_BTN_Y0 + UI0902_LANG_BTN_H - 1),
	  0, NVM_LANG_CN, GUI_LANGUAGE_PICK, NULL },
	{ UI0902_LANG_BTN_X, (uint16_t)(UI0902_LANG_BTN_X + UI0902_LANG_BTN_W - 1),
	  UI0902_LANG_BTN_Y1, (uint16_t)(UI0902_LANG_BTN_Y1 + UI0902_LANG_BTN_H - 1),
	  0, NVM_LANG_EN, GUI_LANGUAGE_PICK, NULL },
};

#define TOUCH_AREA_LANGUAGE_NUM  (sizeof(Touch_Language_Areas)/sizeof(Touch_AreaTypeDef))

static void UI_Language_DrawButtons(void)
{
	NvmParam_Type *nvm = drv_nvm_param_ptr();
	uint8_t lang = nvm->param.Language;
	uint32_t cn_addr;
	uint32_t en_addr;

	if (lang > 1)
		lang = NVM_LANG_CN;
	cn_addr = (lang == NVM_LANG_CN) ? UI0902_BTN_LANG_CN2_ADDR : UI0902_BTN_LANG_CN1_ADDR;
	en_addr = (lang == NVM_LANG_EN) ? UI0902_BTN_LANG_EN_ON_ADDR : UI0902_BTN_LANG_EN_ADDR;
	LCD_WR_PIC_FROM_FLASH(UI0902_LANG_BTN_X, UI0902_LANG_BTN_Y0,
	                      UI0902_BTN_LANG_CN1_W, UI0902_BTN_LANG_CN1_H, cn_addr);
	LCD_WR_PIC_FROM_FLASH(UI0902_LANG_BTN_X, UI0902_LANG_BTN_Y1,
	                      UI0902_BTN_LANG_EN_W, UI0902_BTN_LANG_EN_H, en_addr);
}

void UI_Language_Init(void)
{
	UI_ClearFocus();
	LCD_FillByColor(0, 0, 240, 320, UI0902_BG_COLOR);
	UI_DrawSubPageHeader((const uint8_t *)"\xCF\xB5\xCD\xB3\xD3\xEF\xD1\xD4"); /* 系统语言 */
	UI_Language_DrawButtons();
	pCurrentTouch_Area = Touch_Language_Areas;
}

void UI_Language_Process(DisplayTaskMessage_Type msg)
{
	uint8_t k;
	NvmParam_Type *nvm;

	switch (msg.MessageType)
	{
		case MSG_ID_TOUCH:
			for (k = 0; k < TOUCH_AREA_LANGUAGE_NUM; k++)
			{
				if (msg.HiByte >= pCurrentTouch_Area[k].x_min &&
				    msg.HiByte <= pCurrentTouch_Area[k].x_max &&
				    msg.LoByte >= pCurrentTouch_Area[k].y_min &&
				    msg.LoByte <= pCurrentTouch_Area[k].y_max)
				{
					switch (pCurrentTouch_Area[k].ID)
					{
						case GUI_CANCEL:
							MenuPage_SystemSetting_Proc();
							break;
						case GUI_LANGUAGE_PICK:
							nvm = drv_nvm_param_ptr();
							nvm->param.Language = pCurrentTouch_Area[k].Value ? NVM_LANG_EN : NVM_LANG_CN;
							drv_nvm_save_to_flash();
							UI_Language_DrawButtons();
							break;
						default:
							break;
					}
					ResetAutoPowerCount();
					break;
				}
			}
			break;
		default:
			break;
	}
}