package uwstout.courses.cs144.examples;

import java.text.DecimalFormat;
import java.util.Scanner;

/**
 * Reads two delivery points from the user, and outputs the distance between the
 * origin, and the two in city blocks.
 * 
 * Reads in two delivery points (X Y) from the user on, and calculates the
 * distance between (0,0), the first point, and the last point in city blocks.
 * This calculated value is then output to the console.
 * 
 * @author Brett Bender
 * @version 2022.09.15
 * 
 */
public class Distance {

	private final static Stop ORIGIN_STOP = new Stop(0, 0);

	/**
	 * Calculates the city block distance between points.
	 * 
	 * Reads in two delivery points from System.in, entered in an X Y pair. These
	 * points are then used to calculate the distance (in city blocks) between
	 * (0,0), the first point, and the last point. This calculated value is then
	 * output to the console.
	 * 
	 * @param args The arguments passed from the command line - not used
	 */
	public static void main(String[] args) {
		Scanner scnr = new Scanner(System.in);
		DecimalFormat df = new DecimalFormat("#,##0.00");

		// Read in route name
		System.out.print("Enter route name: ");
		String routeName = scnr.nextLine();

		Stop stop1 = Stop.readStop(scnr, "Enter first delivery point X Y coordinates: ");

		Stop stop2 = Stop.readStop(scnr, "Enter second delivery point X Y coordinates: ");

		System.out.printf("%s to %s to %s\n", ORIGIN_STOP, stop1, stop2);

		// Calculate
		/// Starting at 0,0 and going to the two stops in sequence
		int blockDistanceTraveled = ORIGIN_STOP.getBlockDistance(stop1) + stop1.getBlockDistance(stop2);
		double directDistanceTraveled = ORIGIN_STOP.getDistance(stop1) + stop1.getDistance(stop2);

		// Output
		System.out.println("Stop 1: " + stop1);
		System.out.println("Stop 2: " + stop2);
		System.out.printf("Total distance travelled (in city blocks) for route %s: %d\n", routeName, blockDistanceTraveled);
		System.out.printf("The direct distance is: %s\n", df.format(directDistanceTraveled));

		scnr.close();
	}

}