import java.rmi.Naming;
import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;

public class ServerOperation extends UnicastRemoteObject implements RMIInterface{

	protected ServerOperation() throws RemoteException {}

	public String[] display(String city) throws RemoteException{

		String[] cityName = {"city1", "city1", "city1", "city2", "city2"};
		String[] hotelName = {"hotel1", "hotel2", "hotel3", "hotel1", "hotel2"};
		int[] emptyRooms = {10, 15, 0, 0, 150};
		String [] hotelList = new String[10];

		int j=0;
		for(int i=0; i<cityName.length; i++){
			if((city.equals(cityName[i]))&&(emptyRooms[i]>0)){
				hotelList[j]=hotelName[i];
				j++;
			}
		}

		return hotelList;

	}
	// We can also use an array in the implementation of this function
	public String booking(String city, String hotel) throws RemoteException{

		String[] cityName = {"city1", "city1", "city1", "city2", "city2"};
		String[] hotelName = {"hotel1", "hotel2", "hotel3", "hotel1", "hotel2"};
		int[] emptyRooms = {10, 15, 0, 0, 150};

		for(int i=0; i<cityName.length; i++){
			if((city.equals(cityName[i]))&&(hotel.equals(hotelName[i]))&&(emptyRooms[i]>0)){
				emptyRooms[i]=emptyRooms[i]-1;
				return "reserved";
			}

		}
		return "failed";

	}

	public static void main(String[] args){
		try {
			Naming.rebind("//localhost/MyServer", new ServerOperation());
            System.out.println("Server ready");

        } catch (Exception e) {
        	System.err.println("Server exception: " + e.toString());
            e.printStackTrace();
        }
	}
}