/**
 * Vehicle class updated with static variables and methods
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Vehicle
{
    // instance variables 
    private int mileage;
    String color;
	
	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	/* a static field - new field here similar to our description of Math.pow()*/
	/* Here "total" exists in memory just once and is associated with the class*/
	/* We will access this field INDEPENDENTLY from any objects. see main()    */
	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	static int total;

	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	/* a static method - similar concept as with the static data field total,  */
	/* only one copy of this mehod exists, independently from any objects.     */
	/* That means we will access this method using the class name and not an   */
	/* object. see main()                                                      */
	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	static void wrecked()
    {
		total--;  // we can still access total within the class.
	}

	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	/* another static method - similar to wrecked.                             */
	/* only one copy of this mehod exists, independently from any objects.     */
	/* That means we will access this method using the class name and not an   */
	/* object. see main()                                                      */
	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
	static void reset()
    {
		total = 0;  // we can still access total within the class.
	}

    /**
     * Constructor for objects of class Vehicle
     */
    public Vehicle()
    {
        // initialise instance variables
        mileage = 10;
        color = new String("red");
		owners = 1;
    }

        public Vehicle(int odometer)
    {
        // initialise instance variables
        mileage = odometer;
        color = new String("black");
		owners = 1;
    }

        public Vehicle(int odometer, String color)
    {
        // initialise instance variables
        mileage = odometer;
        this.color = color;
        System.out.println("This vehicle is " + color + " and has " + mileage + " miles.");
        owners = 1;
    }

    /**
     * An example of a method - replace this comment with your own
     *
     * @param  y  a sample parameter for a method
     * @return    the sum of x and y
     */
    public int drive(boolean longSpin)
    {
        String genericColor = new String("blue");
        int shortRide = 10, longRide = 3000;
       
        if (color.equals(genericColor)) {
        //    if (color.compareTo(genericColor) == 0) {
        mileage += shortRide;
    }
        else if (longSpin == true && (color.compareTo("red") == 0)) {
           
            mileage += longRide;
        }
        else {
            mileage++;
        }
       
        System.out.println("In drive(), this vehicle is " + color + " and has " + mileage + " miles.");
        return 0;
    }
   
    public static void main(String[] argv) {
	    Vehical.reset(); // here, no Vehical objects even exist
        boolean longRide = true, notALongRide = false;
        Vehicle ford = new Vehicle();        
        Vehicle.total++;	// update total using the class name, no object	needed
        Vehicle chevy = new Vehicle(99999);
        Vehicle.total++;
        Vehicle mazda = new Vehicle(5000, "blue");
		Vehical.total++;
        System.out.println("Total inventory of vehicles is " + Vehicle.total); 
        mazda.drive(longRide);
        mazda.drive(longRide);
        chevy.drive(longRide);
        chevy.drive(notALongRide);
        ford.drive(longRide);
        ford.drive(notALongRide);
		Vehicle.wrecked();
		System.out.println("Total inventory of vehicles is " + Vehicle.total);
		System.out.println("In Friday's lab, coaches recommended using static. Is that good?");
       
    }
   
}