/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package flight;

import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Map;

public class FlightBD {

    private Map<Integer, Flight> flightList;
    private static FlightBD instance = null;

    protected FlightBD() {
        Flight flight1 = new Flight(0000,"Sao Paulo", "Campinas",
                new GregorianCalendar(2009, 02, 12, 21, 15), 100);
        Flight flight2 = new Flight(0001,"Campinas", "Rio de Janeiro",
                new GregorianCalendar(2009, 03, 22, 19, 00), 150);
        Flight flight3 = new Flight(0002,"Belo Horizonte", "Sao Paulo",
                new GregorianCalendar(2009, 03, 25, 20, 00), 120);
        Flight flight4 = new Flight(0003,"Curitiba", "Porto Alegre",
                new GregorianCalendar(2009, 04, 2, 10, 00), 120);
        Flight flight5 = new Flight(0004,"Rio de Janeiro", "Brasilia",
                new GregorianCalendar(2009, 4, 17, 12, 00), 100);

        flightList = new HashMap<Integer, Flight>();

        flightList.put(flight1.getID(), flight1);
        flightList.put(flight2.getID(), flight1);
        flightList.put(flight3.getID(), flight3);
        flightList.put(flight4.getID(), flight4);
        flightList.put(flight5.getID(), flight5);
    }

    public static FlightBD getInstance() {
        if (instance == null) {
            instance = new FlightBD();
        }
        return instance;
    }

    public Flight get(int id) {
        return flightList.get(id);
    }

    public Flight put(int id, Flight ticket) {
        return flightList.put(id, ticket);
    }

    public Flight delete(int id) {
        return flightList.remove(id);
    }
}