#include "CConsole.h"


CConsole::CConsole()
{
	m_hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
	GetConsoleScreenBufferInfo(m_hConsole, &m_hBufferInfo);
	m_coordLargestWindowSize = GetLargestConsoleWindowSize(m_hConsole);
}


CConsole::CConsole(DWORD _dwConsole)
{
	m_hConsole = GetStdHandle(_dwConsole);
	GetConsoleScreenBufferInfo(m_hConsole,&m_hBufferInfo);
	m_coordLargestWindowSize = GetLargestConsoleWindowSize(m_hConsole);
}


void CConsole::SetWindowSize(int _width, int _height)
{
	HRESULT hResult;

	///	Clamp values to fit the current status of the console and prevent errors.
	COORD hDimensions;

	if (_height > MAX_CONSOLE_BUFFER_HEIGHT)
		_height = MAX_CONSOLE_BUFFER_HEIGHT;

	
	hDimensions.X = _width < m_hBufferInfo.dwSize.X ? m_hBufferInfo.dwSize.X  : _width;
	hDimensions.Y = _height < m_hBufferInfo.dwSize.Y ? m_hBufferInfo.dwSize.Y : _height;
	hDimensions.Y += 5;	//Offset to prevent deLeting old results

	if (!SetConsoleScreenBufferSize(m_hConsole, hDimensions))
		hResult = HRESULT_FROM_WIN32(GetLastError());

	///	Set new window size to achieve the optimal layout
	SMALL_RECT hRect;
	hRect.Left = 0;
	hRect.Top = 0;
	hRect.Bottom = m_hBufferInfo.srWindow.Bottom;
	hRect.Right  = hDimensions.X - 1;

	if (!SetConsoleWindowInfo(m_hConsole, TRUE, &hRect))
		hResult = HRESULT_FROM_WIN32(GetLastError());

	///	Update the buffer info
	GetConsoleScreenBufferInfo(m_hConsole, &m_hBufferInfo);

}
void CConsole::SetCursorPosition(short _xPos, short _yCord)
{
	SetConsoleCursorPosition(m_hConsole, { _xPos, _yCord });
}
void CConsole::ClearScreen()
{
	system("cls");
}