/*************************************************
 *
 *File:        TwoNumbers.java
 *
 *Author:      Zach Barnett
 *
 *Description: Rectangles!
 *
 *Date         6/28/2017
 *
 *************************************************/

public class Rectangle extends Object
{

	/* INITIAL STATE */

	private final int DEFAULT_LENGTH = 2;
	private final int DEFAULT_WIDTH = 1;

	private int length = 0;
	private int width  = 0;

	/* BUILDERS */

	public Rectangle ()
	{
		this.length = DEFAULT_LENGTH;
		this.width  = DEFAULT_WIDTH;

	}
	public Rectangle ( int length, int width )
	{
		this.setDimensions(length,width);
	}

	/* GETTERS */

	public int getLength ()
	{
		return this.length;
	}

	public int getWidth ()
	{
		return this.width;
	}

	public int getPerimeter()
	{
		int perimeter = 0;
		perimeter = 2*(this.length + this.width);
		return perimeter;
	}

	public int getArea()
	{
		int area;
		area = this.length * this.width;
		return area;
	}

	@Override
	public String toString ()
	{
			return "Length: " + this.getLength () + "  "  + "Width: " + this.getWidth();
	}


	/* CHANGERS */

	public void setDimensions (int length, int width)
	{
		this.setLength(length);
		this.setWidth(width);
	}

	public void setLength(int length)
	{
		this.length=length;
	}

	public void setWidth (int width)
	{
		this.width=width;
	}

	/* MAIN ROUTINE */

	public static void main( String args[] )
	{
		Rectangle r1 = new Rectangle () ;
		Rectangle r2 = new Rectangle (4, 7) ;
		displayRectangle("1", r1);
		displayRectangle("2", r2);
		System.out.println();
	}

	private static void displayRectangle(String id, Rectangle r)
	{
		final String STRING_FORMAT        = "%15s ";
		final String STRING_INTEGER       = STRING_FORMAT + "%7d   ";
		final String EXPRESSION           = "%5d %1s % 5d";

		final String NL = "%n" ;
		final String AREA_EXPRESSION      = STRING_INTEGER + "=" + EXPRESSION + NL;
		final String PERIMETER_EXPRESSION = STRING_INTEGER + "=" + EXPRESSION + "%1s" + EXPRESSION;
		final String STRING_STRING        = STRING_FORMAT + "%s%n" ;

		System.out.println();

		System.out.printf(STRING_INTEGER + NL, "Length:", r.getLength() );
		System.out.printf(STRING_INTEGER + NL, "Width:", r.getWidth()   );

		System.out.println();

		System.out.printf(PERIMETER_EXPRESSION,
						  "Perimeter:",
						  r.getPerimeter(),
						  r.getLength(),
						  "+",
					      r.getWidth(),
					      "+",
					      r.getLength(),
					      "+",
					      r.getWidth()
					      );

		System.out.printf(AREA_EXPRESSION,
						  "Area:",
						  r.getArea(),
					      r.getLength(),
					      "*",
						  r.getWidth()
						  );

		System.out.println();

		System.out.printf( STRING_STRING, "toString ():", r.toString() );
	}
}