#include "Interface.h"
#include "GlobalDef.h"
#include <conio.h>
#include "Input.h"

CInterface::CInterface(void)
{
}

CInterface::~CInterface(void)
{
}

//顯示信息畫面
//void CInterface::ShowMessage(char *strValue,int nRow)
//{
//	COORD tempPos;
//	int nNum = static_cast<int>(strlen(strValue));
//	tempPos.X = (SCREENWIDTH)/4;
//	tempPos.Y = (SCREENHEIGHT)/4 + nRow;
//
//	WriteConsoleOutputCharacter(CInput::getHout(), strValue, nNum, tempPos, NULL);
//}
void CInterface::ShowMessage(string strValue,int nRow)
{
	COORD tempPos;
	//int nNum = static_cast<int>(strlen(strValue));
	const char *chTemp = strValue.data();
	int nNum = static_cast<int>(strlen(chTemp));
	tempPos.X = (SCREENWIDTH)/4;
	tempPos.Y = (SCREENHEIGHT)/4 + nRow;

	WriteConsoleOutputCharacter(CInput::getHout(), chTemp, nNum, tempPos, NULL);
}

//畫出地圖各元素
void CInterface::DrawMapElement(COORD coPosition,string strValue)
{
	const char *chTemp = strValue.data();
	int nNum = static_cast<int>(strlen(chTemp));
	WriteConsoleOutputCharacter(CInput::getHout(), chTemp, nNum, coPosition, NULL);
}

//定義非選擇菜單
void CInterface::DrawShowMenu(COORD& coPOS,int windth,string strValue)
{
	const char *chTemp = strValue.data();
	int nNum = static_cast<int>(strlen(chTemp));
	WORD wShadowAtt=BACKGROUND_INTENSITY; // 陰影屬性
	WORD wTextAtt = FOREGROUND_RED |FOREGROUND_GREEN |FOREGROUND_BLUE | FOREGROUND_INTENSITY |
		BACKGROUND_RED | BACKGROUND_BLUE; // 文本屬性

	COORD coShadowPOS={coPOS.X+1,coPOS.Y+1};

	FillConsoleOutputAttribute(CInput::getHout(), wShadowAtt, windth, coShadowPOS, NULL);
	FillConsoleOutputAttribute(CInput::getHout(), wTextAtt, windth, coPOS, NULL);
	WriteConsoleOutputCharacter(CInput::getHout(), chTemp, nNum, coPOS, NULL);
}

//控制戰斗菜單顯示的屬性
void CInterface::CreateMenu(COORD& coPOS)
{
	m_coFirstPOS = coPOS;
	m_nMenuNum = 0;
	m_nSelect = 1;
	m_nMaxLength = 0;
	m_wShadowAtt=BACKGROUND_INTENSITY; // 陰影屬性
	m_wTextAtt = FOREGROUND_RED |FOREGROUND_GREEN |FOREGROUND_BLUE | FOREGROUND_INTENSITY |
		BACKGROUND_RED | BACKGROUND_BLUE; // 文本屬性
	//m_wTextAtt = FOREGROUND_RED |FOREGROUND_GREEN | FOREGROUND_INTENSITY |
	//	BACKGROUND_RED | BACKGROUND_BLUE; // 文本屬性
	m_wSelectAtt=FOREGROUND_RED|FOREGROUND_INTENSITY|BACKGROUND_BLUE|BACKGROUND_GREEN|BACKGROUND_RED;

	COORD coShadowPOS={coPOS.X+1,coPOS.Y+1};

	FillConsoleOutputAttribute(CInput::getHout(), m_wShadowAtt, MenuWidth, coShadowPOS, NULL);
	FillConsoleOutputAttribute(CInput::getHout(), m_wTextAtt, MenuWidth, coPOS, NULL);
}

//增加戰斗菜單顯示的內容
void CInterface::AddMenuCell(char* strValue)
{
	// 計算顯示窗口大小和位置
	int nNum = static_cast<int>(strlen(strValue));
	m_nMaxLength = m_nMaxLength<nNum?nNum:m_nMaxLength;

	// 設置陰影
	COORD posShadow = {m_coFirstPOS.X+1, m_coFirstPOS.Y+m_nMenuNum+2};
	COORD posText = {m_coFirstPOS.X, m_coFirstPOS.Y+m_nMenuNum+1};
	for (int i=0; i<2; ++i){
		FillConsoleOutputAttribute(CInput::getHout(), m_wShadowAtt, MenuWidth, posShadow, NULL);
		++posShadow.Y;
	}
	// 填充窗口背景
	for (int i=0; i<2; ++i){
		FillConsoleOutputAttribute(CInput::getHout(), m_wTextAtt, MenuWidth, posText, NULL); 
		++posText.Y;
	}
	// 寫文本和邊框
	posText.X=m_coFirstPOS.X+2;
	posText.Y=m_coFirstPOS.Y+m_nMenuNum+1;
	WriteConsoleOutputCharacter(CInput::getHout(), strValue, nNum, posText, NULL);
	//++m_nMenuNum;
	m_nMenuNum = m_nMenuNum + 2;
}

//標出選中的菜單
void CInterface::DrawMenu(int nNewSEL,int nOldSEL)
{
	COORD posText = {m_coFirstPOS.X+2, m_coFirstPOS.Y+2*nNewSEL-1};
	FillConsoleOutputAttribute(CInput::getHout(), m_wSelectAtt, m_nMaxLength, posText, NULL);
	if (nNewSEL != nOldSEL)
	{
		posText.Y=m_coFirstPOS.Y+2*nOldSEL-1;
		FillConsoleOutputAttribute(CInput::getHout(), m_wTextAtt, m_nMaxLength, posText, NULL);
	}
}

//選擇菜單
int CInterface::SelectMenu()
{
	int nMaxCount = m_nMenuNum/2;
	int nKey;
	//SMALL_RECT rc={SCREENWIDTH/3+MenuWidth+1,SCREENHEIGHT/3+4,SCREENWIDTH/3+MenuWidth+22,SCREENHEIGHT/3+17};
	SMALL_RECT rc={SCREENWIDTH/3+MenuWidth+1,SCREENHEIGHT/3,SCREENWIDTH/3+MenuWidth+22,SCREENHEIGHT/3+17};
	while (1)
	{
		nKey = _getch();
		switch (nKey)
		{
		case 72://向上
			if (m_nSelect == 3 || m_nSelect == 2) DeleteRect(rc);
			if (m_nSelect != 1)
			{
				m_nSelect -= 1;
				DrawMenu(m_nSelect,m_nSelect+1);
			}
			break;
		case 80://向下
			if (m_nSelect == 3 || m_nSelect == 2) DeleteRect(rc);
			if (m_nSelect != nMaxCount)
			{
				m_nSelect += 1;
				DrawMenu(m_nSelect,m_nSelect-1);
			}
			break;
		case 13://確定--回車
			return m_nSelect;
		}
	}
}

//刪除矩形范圍內的內容
void CInterface::DeleteRect(SMALL_RECT& rc)
{
	CONSOLE_SCREEN_BUFFER_INFO bInfo;
	GetConsoleScreenBufferInfo(CInput::getHout(), &bInfo); 

	COORD home={rc.Left,rc.Top};
	DWORD size=rc.Right-rc.Left;
	int line=rc.Bottom-rc.Top;
	for(int i=0;i<line;++i)
	{
		FillConsoleOutputAttribute(CInput::getHout(), bInfo.wAttributes, size, home, NULL);
		FillConsoleOutputCharacter(CInput::getHout(), ' ', size, home, NULL);
		++home.Y;
	}
}