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();
	}
}