/*
 * Pet.java - Root of class hierarchy for representing residents of a pet kennel
 * CS112 Lab 13
 * Copyright (c) 2000 - Russell C. Bjork
 */

import java.io.*;
import java.util.Date;
import java.text.DateFormat;

/** This class serves as a common base class for classes representing various kinds
 *	of pets the kennel can house.
 */

public abstract class Pet
{
	/** Constructor */
	
	public Pet(String name, String owner, Date arrivalDate, Date departureDate)
	{
	  	this.name = name;
	  	this.owner = owner;
	  	this.arrivalDate = arrivalDate;
	  	this.departureDate = departureDate;
	}

	/** Accessor for name of this pet */
	
	public String getName()
	{
	  	return name;
	}
	  
	/** Construct a string describing this pet */
	
	public abstract String getDescription();
	
	/** Accessor for daily rate for boarding this pet */
	
	public abstract int getDailyRate();
	
	/** Print a bill for boarding this pet */
	
	public void printBill(PrintWriter printTo)
	{
		printTo.println("To my owner, " + owner);
		printTo.println("I stayed at the Skunk Hollow Pet Hotel from " +
				DateFormat.getDateInstance(DateFormat.MEDIUM).format(arrivalDate) + " to " + 
				DateFormat.getDateInstance(DateFormat.MEDIUM).format(departureDate));
		printTo.println("I cost you: $" + getDailyRate() *
			((departureDate.getTime() - arrivalDate.getTime()) / (1000 * 60 * 60 * 24)));  
		printTo.println();
		printTo.println("Your loving " + getDescription() + ", " + name);
	}
	
	// Instance variables
	
	private String name, owner;
	private Date arrivalDate, departureDate;
}