/*************************************CarRegister.java*************************************/

package carRegister;

import java.io.*;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.Collections;

public class CarRegister{
    public static void main(String[] args) throws IOException, Throwable {
        ArrayList<Car> kocsi = new ArrayList<Car>();
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);

    theloop:while(true){
            String line = br.readLine();
            String[] splited = line.split(" ");

            /***********************************3. feladat**********************************/
            /***********************************Add hozzá***********************************/
            if (splited[0].equals("add")){
                kocsi.add(new Car(splited[1],splited[2],Integer.parseInt(splited[3])));
            }

            /***********************************3. feladat**********************************/
            /************************************Listázd************************************/
            else if(splited[0].equals("list")){
                if (splited.length==1) {    System.out.println("Lista:");   }
            /***********************************5. feladat**********************************/
            /********************************Rendezve listázd*******************************/
                else if (splited[1].equals("plate")) {
                    Comparator c = new PlateComparator();
                    Collections.sort(kocsi, c);
                    System.out.println("Rendszám szerint rendezett lista:");

                }
                else if (splited[1].equals("brand")) {
                    Comparator c = new BrandComparator();
                    Collections.sort(kocsi, c);
                    System.out.println("Típus szerint rendezett lista:");
                }
                else if (splited[1].equals("year")) {
                    Comparator c = new YearComparator();
                    Collections.sort(kocsi, c);
                    System.out.println("Évjárat szerint rendezett lista:");
                }

                for(int i = 0; i < kocsi.size(); ++i)
                    System.out.println(kocsi.get(i).get());
            }

            /***********************************4. feladat**********************************/
            /***********************************Mentsd el***********************************/
            else if(splited[0].equals("save")){
                if (splited.length>1) {
                    ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(splited[1]));
                    out.writeObject(kocsi);
                    out.close();
                }
                else System.out.println("Nem adott meg nevet!");
            }

            /***********************************4. feladat**********************************/
            /***********************************Töltsd be***********************************/
            else if(splited[0].equals("load")){
                if (splited.length>1) {
                    try {
                        ObjectInputStream in = new ObjectInputStream(new FileInputStream(splited[1]));
                        kocsi = (ArrayList<Car>)in.readObject();
                        in.close();
                    } catch (IOException e) { System.out.println("Nem létező fájl!"); }
                }
                else System.out.println("Nem adott meg nevet!");
            }

            /***********************************6. feladat**********************************/
            /***********************************Töröld ki***********************************/
            else if (splited[0].equals("delete")){
                if (splited.length>1) {
                    Comparator c = new PlateComparator();
                    int index = Collections.binarySearch(kocsi, new Car (splited[1].toUpperCase(),"",0), c);
                    if (index>=0) kocsi.remove(index);
                    else System.out.println("Nincs ilyen rendszámú autó");
                }
                else System.out.println("Nem adott meg rendszámot!");
            }

            /************************************Lépj ki************************************/
            else if(splited[0].equals("exit")){
                break theloop;
            }
        }
    }
}

/*****************************************Car.java*****************************************/

package carRegister;

import java.io.Serializable;

public class Car implements Serializable {
/***********************Adatok***********************/
    private static final long serialVersionUID = 1L;
    protected String plate;
    protected String brand;
    protected int year;

/*********************Függvények*********************/
    public Car() {
        plate ="abc123";
        plate = plate.toUpperCase();
        brand = "Ford";
        year = 2000;
    }
    public Car(String p, String b, int y) {
        plate = p;
        plate = plate.toUpperCase();
        brand = b;
        year = y;
    }
    public String get() {
        return plate + " " + brand + " " + year;
    }

    public String getPlate() {
        return this.plate;
    }
    public int getYear() {
        return year;
    }
    public String getBrand() {
        return brand;
    }
}

/***********************************BrandComparator.java***********************************/

package carRegister;

import java.util.Comparator;

public class BrandComparator implements Comparator<Car> {
    public int compare(Car o1, Car o2) {
        return o1.getBrand().compareTo(o2.getBrand());
    }
}

/***********************************PlateComparator.java***********************************/

package carRegister;

import java.util.Comparator;

public class PlateComparator implements Comparator<Car> {
    public int compare(Car o1, Car o2) {
        return o1.getPlate().compareTo(o2.getPlate());
    }
}

/************************************YearComparator.java***********************************/

package carRegister;

import java.util.Comparator;

public class YearComparator  implements Comparator<Car>{
    public int compare(Car o1, Car o2) {
        if (o1.getYear()>o2.getYear()) return 1;
        if (o1.getYear()<o2.getYear()) return -1;
        return 0;
    }
}