Diskusi4

import java.io.*;

public class Diskusi4 {

    public static void main(String[] args) throws IOException {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int kode_susu = 0, jumlah_beli = 0, harga = 0, subtotal = 0, pajak = 0, total_pembayaran = 0, potongan = 0;
        String merk_susu = "", nama_pembeli = "", jenis_ukuran = "";
        char kode_ukuran;

        System.out.println("PROGRAM PENJUALAN SUSU");

        System.out.print("Masukkan Nama Pembeli : ");
        nama_pembeli = br.readLine();

        System.out.print("Masukkan Kode Susu [1/2/3] : ");
        kode_susu = Integer.parseInt(br.readLine());

        System.out.print("Kode Ukuran [S/M/L]\t : ");
        kode_ukuran = br.readLine().charAt(0);
        kode_ukuran = Character.toUpperCase(kode_ukuran);

        System.out.print("Masukkan Jumlah Beli\t : ");
        jumlah_beli = Integer.parseInt(br.readLine());


        if (kode_susu == 1) {
            merk_susu = "Susu Indomilk";

            if (kode_ukuran == 'S') {
                jenis_ukuran = "Small";
                harga = 5000;
            }

            else if (kode_ukuran == 'M') {
                jenis_ukuran = "Medium";
                harga = 7500;
            }

            else if (kode_ukuran == 'L') {
                jenis_ukuran = "Large";
                harga = 9500;
            }

            else {
                jenis_ukuran = "";
                harga = 0;
            }

        }

        else if (kode_susu == 2) {
            merk_susu = "Susu Sustagen";

            if (kode_ukuran == 'S') {
                jenis_ukuran = "Small";
                harga = 4500;
            }

            else if (kode_ukuran == 'M') {
                jenis_ukuran = "Medium";
                harga = 6500;
            }

            else if (kode_ukuran == 'L') {
                jenis_ukuran = "Large";
                harga = 8500;
            }

            else {
                jenis_ukuran = "";
                harga = 0;
            }
        }

        else if (kode_susu == 3) {
            merk_susu = "Susu Indomilk";

            if (kode_ukuran == 'S') {
                jenis_ukuran = "Small";
                harga = 9500;
            }

            else if (kode_ukuran == 'M') {
                jenis_ukuran = "Medium";
                harga = 15500;
            }

            else if (kode_ukuran == 'L') {
                jenis_ukuran = "Large";
                harga = 19500;
            }

            else {
                jenis_ukuran = "";
                harga = 0;
            }
        }

        else {
            merk_susu = "";
        }

        subtotal = harga * jumlah_beli;

        if (jumlah_beli > 25) {
            potongan = subtotal * 5 / 100;
        }

        pajak = subtotal*10/100;
        total_pembayaran = subtotal + pajak - potongan;

        System.out.println("STRUK PEMBAYARAN");
        System.out.println("Nama Pembeli \t\t:" + nama_pembeli);
        System.out.println("Merk Barang \t\t:" + merk_susu);
        System.out.println("Jenis Ukuran \t\t:" + jenis_ukuran);
        System.out.println("Jumlah Beli \t\t:" + jumlah_beli);
        System.out.println("Harga Barang \t\t:Rp." + harga);
        System.out.println("Jumlah Pembayaran \t:Rp." + subtotal);
        System.out.println("Potongan \t\t:Rp." + potongan);
        System.out.println("Pajak \t\t\t:Rp." + pajak);
        System.out.println("Total Pembayaran \t:Rp." + total_pembayaran);


    }

}