PBO ETS

import java.util.Scanner;

/**
 * Class utama menampilkan aplikasi secara utuh dan mempunyai beberapa fitur.
 * Di antaranya adalah login pin, tarik tunai, transfer, dan setor tunai.
 *
 * @author Thomas Felix
 * @version 24 November 2020
 */

public class MesinATM
{
    MesinSystem mesinSystem = new MesinSystem();
    Scanner scanner = new Scanner(System.in);

    public static void main(String args[])
    {
        MesinATM atm = new MesinATM();
        atm.login();
    }

    public void login()
    {
        int salah = 1;
        Scanner scanner = new Scanner(System.in);
        for (int i = 1; i <= 3; i++)
        {
            mesinSystem.setPin("696969");
            mesinSystem.setSaldo(10000000);
            System.out.println("===============================================");
            System.out.println("|        Selamat Datang di ATM Bank Bjir      |");
            System.out.println("===============================================");
            System.out.println();
            System.out.print("Masukkan pin: ");

            String pin = scanner.nextLine();

            if (mesinSystem.getPin().equals(pin))
            {
                System.out.println();
                menu();
                i = 3;
            }

            else
            {
                if (salah == 3)
                {
                    System.out.println();
                    System.out.println("Maaf, ATM Anda terblokir.");
                    System.out.println("Silakan ke Bank Bjir terdekat.");
                }

                else
                {
                    System.out.println();
                    System.out.println("Maaf, PIN anda salah.");
                    System.out.println();
                }
            }
            salah++;
        }
    }

    public void menu()
    {
        Scanner scanner = new Scanner(System.in);
        System.out.println("===============================================");
        System.out.println("|                  Menu Utama                 |");
        System.out.println("===============================================");
        System.out.println("1. Info Saldo");
        System.out.println("2. Tarik Tunai");
        System.out.println("3. Setor Tunai");
        System.out.println("4. Transfer");
        System.out.println("5. Transaksi Lainnya");
        System.out.println("6. Keluar");
        System.out.println();
        System.out.print("Pilih menu : ");
        int choice = scanner.nextInt();

        switch (choice)
        {
            case 1:
                lihatSaldo();
                System.out.println();
                break;

            case 2:
                tarikUang();
                System.out.println();
                break;

            case 3:
                setorUang();
                System.out.println();
                break;

            case 4:
                transferUang();
                System.out.println();
                break;

            case 5:
                System.out.println("Layanan belum tersedia.");
                transaksiLagi();
                break;

            case 6:
                System.out.println();
                System.out.println("===============================================");
                System.out.println("|   Terima kasih telah memakai layanan kami.  |");
                System.out.println("|      Silakan ambil kembali kartu Anda.      |");
                System.out.println("===============================================");
                System.exit(0);

            default:
                System.out.println("Pilihan invalid. Silakan login kembali");
                login();
                break;
        }
    }

    public void lihatSaldo()
    {
        System.out.println();
        System.out.println("Saldo anda Rp " + mesinSystem.getSaldo());
        transaksiLagi();
    }

    public void tarikUang()
    {
        Scanner scanner = new Scanner(System.in);
        System.out.println();
        System.out.println("Pilihan nominal: ");
        System.out.println();
        System.out.println("1. Rp  50.000     4. Rp   500.000");
        System.out.println("2. Rp 100.000     5. Rp 1.000.000");
        System.out.println("3. Rp 200.000     6. Rp 2.000.000");
        System.out.println();
        System.out.print("Masukkan pilihan: ");
        int pilihan = scanner.nextInt();

        this.setNominal(pilihan);
    }

    public void setNominal(int pilihan)
    {
        long saldo = mesinSystem.getSaldo();

        if (pilihan == 1 && saldo > 50000) {
            saldo -= 50000;
            System.out.println("Saldo anda tersisa : Rp " + saldo);
        }

        else if (pilihan == 2 && saldo > 100000)
        {
            saldo -= 100000;
            System.out.println("Saldo anda tersisa : Rp " + saldo);
        }

        else if (pilihan == 3 && saldo > 200000)
        {
            saldo -= 200000;
            System.out.println("Saldo anda tersisa : Rp " + saldo);
        }

        else if (pilihan == 4 && saldo > 500000)
        {
            saldo -= 500000;
            System.out.println("Saldo anda tersisa : Rp " + saldo);
        }

        else if (pilihan == 5 && saldo > 1000000)
        {
            saldo -= 1000000;
            System.out.println("Saldo anda tersisa : Rp " + saldo);
        }

        else if (pilihan == 6 && saldo > 2000000)
        {
            saldo -= 2000000;
            System.out.println("Saldo anda tersisa : Rp " + saldo);
        }

        else
        {
            System.out.println("Transaksi gagal.");
        }

        transaksiLagi();
    }

    public void setorUang()
    {
        Scanner scanner = new Scanner(System.in);
        long saldo = mesinSystem.getSaldo();

        System.out.println();
        System.out.print("Masukkan jumlah uang yang akan disetor: Rp ");
        long uang = scanner.nextInt();

        saldo += uang;

        System.out.println();
        System.out.print("Saldo Anda sekarang Rp " + saldo);
        System.out.println();
        transaksiLagi();
    }

    public void transferUang()
    {
        Scanner scanner = new Scanner(System.in);
        long saldo = mesinSystem.getSaldo();

        System.out.println();
        System.out.println("Silahkan masukkan nomor rekening tujuan.");
        System.out.print("No. rekening: ");
        long noRek = scanner.nextInt();
        System.out.println();

        System.out.print("Masukkan jumlah uang yang akan ditransfer: Rp ");
        long nominal = scanner.nextInt();

        if (saldo >= 50000)
        {
            if (nominal < saldo)
            {
                saldo -= nominal;
                System.out.println();
                System.out.println("Anda telah berhasil mentransfer uang sebesar Rp " + nominal);
                System.out.println("Ke nomor rekening tujuan: " + noRek);
                System.out.println("Sisa saldo Anda adalah : " + saldo);
            }

            else
            {
                System.out.print("Saldo Anda tidak mencukupi.");
            }
        }

        else
        {
            System.out.print("Saldo Anda minimal harus Rp 50.000.");
        }

        transaksiLagi();
    }

    public void transaksiLagi()
    {
        Scanner scanner = new Scanner(System.in);
        System.out.println();
        System.out.print("Ingin melakukan transaksi lagi? [y/n]: ");

        String warn = scanner.nextLine();
        System.out.println();

        if (warn.equalsIgnoreCase("y"))
        {
            login();
        }

        else if (warn.equalsIgnoreCase("n"))
        {
            System.out.println("===============================================");
            System.out.println("|   Terima kasih telah memakai layanan kami.  |");
            System.out.println("|       Silakan ambil kembali kartu Anda.     |");
            System.out.println("===============================================");
        }
    }
}