public class Client implements Serializable {
    private int id;
    private String forname;
    private String surname;
    private String pesel;
    private String adress;
    private double founds;
    static Scanner scanner;

    public Client(int id) {
        scanner = new Scanner(System.in);
        this.id = id;
        Random rand = new Random();
        System.out.println("Podaj imie");
        this.forname = scanner.nextLine();
        System.out.println("Podaj nazwisko");
        this.surname = scanner.nextLine();
        System.out.println("Podaj numer PESEL");
        this.pesel = scanner.nextLine();
        System.out.println("Podaj adres zamieszkania");
        this.adress = scanner.nextLine();
        this.founds = 0.0;
    }

    public String getAdress() {
        return this.adress;
    }

    public String getSurname() {
        return this.surname;
    }

    public String getForname() {
        return this.forname;
    }

    public int getId() {
        return this.id;
    }

    public String getPesel() {
        return this.pesel;
    }

    void deposit(double a) {
        this.founds += a;
    }

    boolean enoughFounds(double a) {
        if (this.founds >= a) {
            return true;
        }
        return false;
    }

    void withdraw(double a) {
        if (enoughFounds(a)) {
            founds -= a;
        } else {
            System.out
                    .println("Za duza kwota do wyplaty, mozesz wyplacic tylko: "
                            + founds);
            System.exit(0);
        }
    }

    @Override
    public String toString() {
        String output = String
                .format("\n1.ID: %d\n2.Imie: %s\n3.Nazwisko: %s\n4.PESEL: %s\n5.Adres: %s\n6.srodki na koncie: %f\n.",
                        id, forname, surname, pesel, adress, founds);
        return output;
    }
}

public class Bank {

    private final String FILENAME = "clients.ser";
    static String decide = "";
    static Scanner scanner = new Scanner(System.in);
    private List<Client> lista;
    static int counter;
    static int secondCounter;
    static int numberOfClients = 0;

    public Bank() {
        lista = new ArrayList<Client>();
        readNumberOfClientsAndAccounts();

        welcome();
    }

    private void readNumberOfClientsAndAccounts() {
        try {
            File f = new File(FILENAME);
            if (!f.exists()) {
                f.createNewFile();
            } else {
                InputStream file = new FileInputStream(FILENAME);
                InputStream buffer = new BufferedInputStream(file);

                ObjectInput input = new ObjectInputStream(buffer);
                numberOfClients = input.readInt();
                System.out.println("test" + numberOfClients);
                lista = (List<Client>) input.readObject();
                input.close();
            }
        } catch (Exception e) {
            System.out.println(e);
        }
    }

    public static boolean ifContinue() {
        do {
            System.out.println("Chcesz kontynuowac? Podaj TAK lub NIE");
            decide = scanner.nextLine();
        } while (!decide.equals("TAK") && !decide.equals("NIE"));
        if (decide.equals("TAK")) {
            return true;
        }
        return false;
    }

    private void welcome() {
        try {
            System.out
                    .println("Witaj w systemie bankowym, co chcesz zrobic?\n1. Dodac konto\n2. Dokonac wplaty\n3. Wyplacic pieniadze\n4. Wykonac przelew\n5. Wyswietlic informacje o wszystkich kontach\n6. Wyswietlic informacje o wybranych kontach\n7. Usunac konto\n8. Wyjsc\n");
            int a = scanner.nextInt();
            switch (a) {
            case 1:
                newClient();
            case 2:
                depositFounds();
            case 3:
                withdrawFounds();
            case 4:
                remit();
            case 5:
                printDatabase();
            case 6:
                chooseCriterion();
            case 7:
                removeClient();
            case 8:
                exit();
            }
        } catch (Exception c) {
            System.out.println("Paramter nie jest liczba");
        }
    }

    public String insertPesel() {
        System.out.println("Podaj numer pesel\n");
        scanner.nextLine();
        String pesel1 = scanner.nextLine();
        return pesel1;
    }

    public Double insertMoney() {
        System.out.println("Podaj kwote: \n");
        Double money = scanner.nextDouble();
        return money;
    }

    public void newClient() {
        numberOfClients++;
        Client klient = new Client(numberOfClients);
        lista.add(klient);
        write(FILENAME, lista);
    }

    public boolean ifExist(List<Client> lista, String pesel) {
        for (int i = 0; i < lista.size(); i++) {
            if (lista.get(i).getPesel().equals(pesel)) {
                counter = i;
                return true;
            }
        }
        return false;
    }

    public boolean ifExistSecond(List<Client> lista, String pesel) {
        for (int i = 0; i < lista.size(); i++) {
            if (lista.get(i).getPesel().equals(pesel)) {
                secondCounter = i;
                return true;
            }
        }
        return false;
    }

    public void depositFounds() {
        try {
            if (ifExist(lista, insertPesel())) {
                double money = insertMoney();
                if (ifContinue()) {
                    int i = counter;
                    lista.get(i).deposit(money);
                    write(FILENAME, lista);
                    welcome();
                } else {
                    welcome();
                }
            } else {
                System.out.println("Nie masz konta w naszym banku");
                welcome();
            }
        } catch (Exception c) {
            System.out.println("Paramter nie jest liczba");
            welcome();
        }
    }

    public void withdrawFounds() {
        try {
            if (ifExist(lista, insertPesel())) {
                double money = insertMoney();
                if (ifContinue()) {
                    int i = counter;
                    lista.get(i).withdraw(money);
                    write(FILENAME, lista);
                    welcome();
                } else {
                    welcome();
                }
            } else {
                System.out.println("Nie masz konta w naszym banku");
                welcome();
            }
        } catch (Exception c) {
            System.out.println("Paramter nie jest liczba");
        }
    }

    public void remit() {
        String pesel1 = insertPesel();
        String pesel2 = insertPesel();
        boolean a = ifExist(lista, pesel1);
        boolean b = ifExistSecond(lista, pesel2);
        System.out.println("" + counter + " " + secondCounter);
        if (a) {
            double money = insertMoney();
            if (ifContinue()) {
                lista.get(counter).withdraw(money);
                lista.get(secondCounter).deposit(money);
                write(FILENAME, lista);
                welcome();
            }
        }
        // welcome();
    }

    public void read(String name) {
        try {
            FileInputStream fin = new FileInputStream(name);
            ObjectInputStream ois = new ObjectInputStream(fin);
            lista = (List<Client>) ois.readObject();
            ois.close();
        } catch (ClassNotFoundException ex) {
            System.out.println("Koniec pliku");
        } catch (IOException ioe) {
            System.out.println("Error!");
            welcome();
        }
    }

    public void chooseCriterion() {
        switch (insertCriterion()) {
        case 1:
            readCriterionID();
        case 2:
            readCriterionForname();
        case 3:
            readCriterionSurname();
        case 4:
            readCriterionPesel();
        case 5:
            readCriterionAdress();
        }

    }

    public int insertCriterion() {
        int a;
        do {
            System.out
                    .println("Ktore kryterium wybierasz: 1. ID\n2. Imie\n3. Nazwisko\n4. PESEL\n5. Adres zamieszkania\n");
            a = scanner.nextInt();
        } while (a < 0 || a > 5);
        return a;
    }

    public void readCriterionID() {
        System.out.println("Podaj ID klienta\n");
        int id = scanner.nextInt();
        for (int i = 0; i < lista.size(); i++)
            if (lista.get(i).getId() == id) {
                System.out.println(lista.get(i));
            }
        welcome();
    }

    public void readCriterionForname() {
        System.out.println("Podaj imie klienta\n");
        scanner.nextLine();
        String temp = scanner.nextLine();
        for (int i = 0; i < lista.size(); i++) {
            if (lista.get(i).getForname().equals(temp)) {
                System.out.println(lista.get(i));
            }
        }
        welcome();
    }

    public void readCriterionSurname() {
        System.out.println("Podaj nazwisko klienta\n");
        scanner.nextLine();
        String temp = scanner.nextLine();
        for (int i = 0; i < lista.size(); i++) {
            if (lista.get(i).getSurname().equals(temp)) {
                System.out.println(lista.get(i));
            }
        }
        welcome();
    }

    public void readCriterionPesel() {
        System.out.println("Podaj numer PESEL klienta\n");
        scanner.nextLine();
        String temp = scanner.nextLine();
        for (int i = 0; i < lista.size(); i++) {
            if (lista.get(i).getPesel().equals(temp)) {
                System.out.println(lista.get(i));

            }
        }
        welcome();
    }

    public void readCriterionAdress() {
        System.out.println("Podaj adres klienta\n");
        scanner.nextLine();
        String temp = scanner.nextLine();
        for (int i = 0; i < lista.size(); i++) {
            if (lista.get(i).getAdress().equals(temp)) {
                System.out.println(lista.get(i));
            }
        }
        welcome();
    }

    public void removeClient() {
        if (ifExist(lista, insertPesel())) {
            int i = counter;
            if (ifContinue()) {
                lista.remove(i);
                write(FILENAME, lista);
            } else {
                welcome();
            }
        }
    }

    public void exit() {
        if (ifContinue()) {
            System.exit(0);
        } else {
            welcome();
        }
    }

    public void write(String name, List<Client> lista) {
        try {
            FileOutputStream fos = new FileOutputStream(name);
            BufferedOutputStream bos = new BufferedOutputStream(fos);
            ObjectOutputStream oos = new ObjectOutputStream(bos);
            oos.writeInt(numberOfClients);
            oos.writeObject(lista);
            oos.close();
        } catch (IOException ioe) {
            System.out.println(ioe);
            System.out.println("Error zapisu!");
            welcome();
        }
    }

    public void printDatabase() {
        for (Client c : lista) {
            System.out.println(c);
        }
        welcome();
    }
}

public class Main {
    public static void main(String[] args) {
        Bank bank = new Bank();
    }
}