/*
  the Hotel is an ArrayList of Reservations
  it allows a person to request a room and cancel their reservation
  also we can add more rooms
*/

import java.util.ArrayList;

public class Hotel{
    //instance variable, ArrayList tracks current reservations
    private ArrayList rooms;

    //constructors, can specify how many rooms to start with
    //default is 5 rooms
    public Hotel(){
	rooms = new ArrayList();
	rooms.ensureCapacity(5);

        for (int index=0; index<5; index++) 
          rooms.add(null);
    }
    public Hotel(int numRooms){
	rooms = new ArrayList();
	rooms.ensureCapacity(numRooms);

        for (int index=0; index<numRooms; index++) 
          rooms.add(null);
    }

    //adds more rooms to the hotel, returns true on success
    public boolean buildRooms(int num){
        int oldSize = rooms.size();

	//make sure the parameter is valid
	if(num<=0)return false;

	//increase the capacity of the ArrayList
	rooms.ensureCapacity(oldSize + num);

        for (int index=oldSize; index < (oldSize+num); index++) 
          rooms.add(null);

	//report success
	return true;
    }

    //reserves and returns an available room
    //or returns -1 if the hotel is full
    public int reserveRoom(String person){

    }

    //reserves a particular room for this person
    //returns false on failure (eg. room is already reserved)
    public boolean reserveRoom(String person, int roomNum){

    }

    //cancels all reservations by this person
    public void cancelReservations(String person){

    }

    //prints out all the current reservations to the screen
    //also should display the total number of reservations and vacancies
    public void printReservations(){

    }
}