#include "Rectangle.h"

double Rectangle::smallest(double x, double y) {
	return (x < y) ? x : y;
}

double Rectangle::biggest(double x, double y) {
	return (x > y) ? x : y;
}

double Rectangle::symmetricDifference(Rectangle& rectangle1, Rectangle& rectangle2) {

	double differenceX = rectangle1.x - rectangle2.x;
	double differenceY = rectangle1.y - rectangle2.y;


	if (differenceX < 0 || differenceY < 0) {

		double tmpRectangle1 = \
			(biggest(rectangle1.x, rectangle2.x) - smallest(rectangle1.x, rectangle2.x)) * \
			smallest(rectangle1.y, rectangle2.y);

		double tmpRectangle2 = \
			(biggest(rectangle1.y, rectangle2.y) - smallest(rectangle1.y, rectangle2.y)) * \
			smallest(rectangle1.x, rectangle2.x);

		double area = tmpRectangle1 + tmpRectangle2;

		return area;

	}
	else {
		//one rectangle is in inside another one
		//biggest rect area - smallest rect area

		double area = \
			biggest(rectangle1.x, rectangle2.x) * biggest(rectangle1.y, rectangle2.y) - \
			smallest(rectangle1.x, rectangle2.x) * smallest(rectangle1.y, rectangle2.y);
		return  area;
	}
};

Rectangle::Rectangle(double x, double y) {
	this->x = x;
	this->y = y;
};

Rectangle::~Rectangle() {
};

Rectangle Rectangle::operator - () {
	return Rectangle(
		this->x * -1,
		this->y * -1
	);
};

double operator-(Rectangle& rectangle1, Rectangle& rectangle2) {
	return Rectangle::symmetricDifference(rectangle1, rectangle2);
};

void Rectangle::print() {
	std::cout << "X = " << this->x << "\n";
	std::cout << "Y = " << this->y << "\n";
};