#include <windows.h>
#include <string.h>

bool setConsoleFontSize(HANDLE console, COORD dwFontSize){
	CONSOLE_FONT_INFOEX info{ sizeof(CONSOLE_FONT_INFOEX) };
	if (!GetCurrentConsoleFontEx(console, false, &info))
		return false;
	info.dwFontSize = dwFontSize;
	return SetCurrentConsoleFontEx(console, false, &info);
}

void getConsoleSize(HANDLE console, short & width, short & height){
	CONSOLE_SCREEN_BUFFER_INFO bufferInfo;

	GetConsoleScreenBufferInfo(console, &bufferInfo);
	width = bufferInfo.srWindow.Right;
	height = bufferInfo.srWindow.Bottom;
}

void niceText(const char * text, unsigned short baseColor = 0x07, unsigned short specialColor = 0x07){
	int length = strlen(text);
	unsigned short * attributes = new unsigned short[length];
	unsigned short * highLightAttributes = new unsigned short[length];

	for (int i = 0; i < length; i++){
		if (text[i] >= 0x20){
			attributes[i] = baseColor;
			highLightAttributes[i] = baseColor | FOREGROUND_INTENSITY | BACKGROUND_INTENSITY;
		}
		else{
			attributes[i] = specialColor;
			highLightAttributes[i] = specialColor | FOREGROUND_INTENSITY | BACKGROUND_INTENSITY;
		}
	}

	HANDLE console = GetStdHandle(STD_OUTPUT_HANDLE);
	setConsoleFontSize(console, {12, 16});

	short width, height;
	getConsoleSize(console, width, height);

	COORD centeredPosition = {width/2 - length/2, height/2};
	COORD position = { centeredPosition.X, centeredPosition.Y };

	unsigned long charactersWritten = 0;

	for (int i = 0; i < length; i++){
		position.X = centeredPosition.X + i;
		WriteConsoleOutputCharacterA(console, text + i, 1, position, &charactersWritten);
		WriteConsoleOutputAttribute(console, attributes + i, 1, position, &charactersWritten);
		Sleep(200);
	}
	Sleep(1000);

	for (int i = 0; i < length; i++){
		if (i > 0){
			WriteConsoleOutputAttribute(console, attributes + i - 1, 1, position, &charactersWritten);
		}
		position.X = centeredPosition.X + i;
		WriteConsoleOutputAttribute(console, highLightAttributes + i, 1, position, &charactersWritten);
		Sleep(100);
	}

	WriteConsoleOutputAttribute(console, attributes + length - 1, 1, position, &charactersWritten);
	Sleep(1000);

	delete[] attributes;
	delete[] highLightAttributes;
}

int main(int argc, char ** argv, char ** env){
	niceText("I \03 C++", 0x07, 0x04);
	return 0;
}