#include <iostream.h>
#include <conio.h>
#include "PADDLE.H"

static int PNum;

Paddle::Paddle() {
	PNum++;
	if(PNum == 1) {
		PlayerNum = PNum;
		X = 205;
		X2 = X+50;
		Y = 20;
		Y2 = Y+20;
		Color = RED;
		AI = IsAI();
		Top = true;
	} else if(PNum == 2) {
		PlayerNum = PNum;
		X = 205;
		X2 = X+50;
		Y = 440;
		Y2 = Y+20;
		Color = BLUE;
		AI = IsAI();
		Top = false;
	}


}

bool Paddle::IsAI() { 
	char temp;
	cout << "Is Player " << PlayerNum << " computer controlled? ";
	cin >> temp;
	if(temp == 'Y' || temp == 'y')
		return true;
	else
		return false;
}

void Paddle::MovePaddle(Ball B, const Paddle &P1, const Paddle &P2) {

	int var;
	if(AI) {
		Movement = CalculateMove(B,P1,P2);
	} else {
			var = getch();
			if(PlayerNum == 1) {
				if(var == 77)
					Movement = RIGHT;
				else if(var == 75)
					Movement = LEFT;
				else
					Movement = STOP;
			} else if(PlayerNum == 2) {
				if(var == 97)
					Movement = LEFT;
				else if(var == 100)
					Movement = RIGHT;
				else
					Movement = STOP;
			}


	}

	if(Movement == RIGHT) {
		if(AI) {
			X += 3;
			X2 += 3;
		} else {
			X += 10;
			X2 += 10;
		}
	} else if(Movement == LEFT) {
		if(AI) {
			X -= 3;
			X2 -= 3;
		} else {
			X-= 10;
			X2 -= 10;
		}
	}

	if(X < 0) {
		X = 0;
		X2 = X+50;
	} else if(X2 > 640) {
		X2 = 640;
		X = X2-50;
	}
}

Move Paddle::CalculateMove(Ball B, const Paddle &Player1, const Paddle &Player2) {

	bool Exit = false;
	
	while(!Exit) {
		B.MoveBall(Player1.PaddleXCoor(),Player1.PaddleYCoor(),Player1.PaddleX2Coor(),Player1.PaddleY2Coor(),Player2.PaddleXCoor(),Player2.PaddleYCoor(),Player2.PaddleX2Coor(),Player2.PaddleY2Coor());
		if(Top) {
			if(B.BallYCoor() < Y2+(B.BallRadius()*2))
				Exit = true;
		} else {
			if(B.BallYCoor() > Y-(B.BallRadius()*2))
				Exit = true;
		}
	}

	if(B.BallXCoor() >= X2)
		return RIGHT;
	else if(B.BallXCoor() <= X)
		return LEFT;
	else
		return STOP;

}