/*
	Rectangle.js
	See associated document ("407 - Classes" - How to Code a Class)
	for detailed explanation of this class.
*/

class Rectangle {
	/*ivars (listed here for info only):
	width
	height*/
	
	//------------------------------------------------
	
		constructor(aWidth, aHeight) {
		//Initialize object structure
		this.width = aWidth;
		this.height = aHeight;
	}
	
	//------------------------------------------------
	//Getters (Basic)
	
	getWidth() {
		//Getter to get and return ivar "width"
		return this.width;
	}
	
	getHeight() {
		//Getter to get and return ivar "height"
		return this.height;
	}
	
	//------------------------------------------------
	//Setters
	
	setWidth(value) {
		//Getter to assign passed param "value" to ivar "width"
		this.width = value;
	}
	
	setHeight(value) {
		//Getter to assign passed param "value" to ivar "height"
		this.height = value;
	}
	
	//------------------------------------------------
	//Calcs
	
	getArea() {
		//Compute and return area
		return this.width * this.height;
	}
	
	getPerimeter() {
		//Compute and return perimeter
		return 2 * (this.width + this.height);
	}
	
	getDiagonal() {
		//Compute and return diagonal
		const
			w = this.width,
			h = this.height;
		return Math.sqrt(w*w + h*h);
	}
	
	getShapeType() {
		//Return "square, wide rectangle, or narrow rectangle" as appropriate
		const
			w = this.width,
			h = this.height;
		if (w === h) {
			return "square";
		}
		return (w > h) ? "wide rectangle" : "narrow rectangle";
	}
	
	//------------------------------------------------
	//Actions
	
	flip() {
		//Flip width and height
		const w = this.width;
		this.width = this.height;
		this.height = w;
	}
	
	multiply(factor) {
		//Increase dimensions by multiplying them by passed param
		this.width = this.width * factor;
		this.height = this.height * factor;
	}
	
	//------------------------------------------------
	//Common
	
	toString() {
		//Friendly display string
		return `width=${this.width} by height=${this.height}`;
	}

}

//object play
function prn(o) { console.log(o); }

let rec = new Rectangle(10, 5);
prn("\nRectangle: " + rec.toString());
prn("Rectangle Area: " + rec.getArea());
prn("Rectangle Perimeter: " + rec.getPerimeter());
prn("Rectangle Diagonal: " + rec.getDiagonal());
prn("Rectangle Shape Type: " + rec.getShapeType());

rec = new Rectangle(1000, 1000);
prn("\nRectangle: " + rec.toString());
prn("Rectangle Area: " + rec.getArea());
prn("Rectangle Perimeter: " + rec.getPerimeter());
prn("Rectangle Diagonal: " + rec.getDiagonal());
prn("Rectangle Shape Type: " + rec.getShapeType());