UTS_Algoritma_FaqihNurZaki

#include <iostream>
#include <iomanip>
#include <string>
using namespace std;
// Nama : Faqih Nur Zaki
// Nim  : 3420230041
// Prodi: Teknik Informatika smt 3
void judul() {
    cout << "============================================================================" << endl;
    cout << "\t\t\tPROGRAM TIKET KERETA                 "                                  << endl;
    cout << "============================================================================" << endl;
}

void Daftar_tiket_kereta() {
    cout << "\t\t\tDaftar Tiket Kereta"                                                    << endl;
    cout << "============================================================================" << endl;
    cout << "| Kelas       | AG(Argo Bromo) | AL(Argo Lawu) | PH(Argo Wilis) |"            << endl;
    cout << "============================================================================" << endl;
    cout << "| 1-Executive | 500.000        | 475.000       | 450.000        |"            << endl;
    cout << "| 2-Bisnis    | 480.000        | 455.000       | 430.000        |"            << endl;
    cout << "| 3-Ekonomi   | 460.000        | 435.000       | 410.000        |"            << endl;
    cout << "============================================================================" << endl;
}

void Ketentuan_diskon() {
    cout << "\t\t\tKetentuan diskon"                                                       << endl;
    cout << "1. Apa bila Pembelian tiket di atas 10 maka diskon 10% dari total."           << endl;
    cout << "2. Apa bila Pembelian tiket di atas 5 maka diskon 5% dari total."             << endl;
    cout << "============================================================================" << endl;
    cout << "\t\t\tKetentuan Salah Input :"                                                << endl;
    cout << "Jika input kode kereta ATAU kode kelas salah maka muncul pesan"               << endl;
    cout << "============================================================================" << endl;
    cout << "\t\t\tKetentuan kondisi :"                                                    << endl;
    cout <<"Program harus menggunakan switch case dan if else."                            << endl;
    cout <<"Harus ada fungsi JUDUL."                                                       << endl;
    cout <<"Harus ada fungsi CEK_HARGA."                                                   << endl;
    cout <<"Harus ada fungsi CEK_NAMA_KERETA."                                             << endl;
    cout <<"Harus ada fungsi CEK_KELAS."                                                   << endl;
    cout <<"Harus ada fungsi CEK_DISKON."                                                  << endl;
    cout <<"Harus bisa handle input huruf besar dan kecil"                                 << endl;
    cout << "============================================================================" << endl;

}

string toUpperCase(string str) {
    (str.begin(), str.end(), str.begin(), ::toupper);
    return str;
}

string Cek_nama_kereta(string kodekereta)
{
    kodekereta = toUpperCase(kodekereta);
         if (kodekereta == "AG") return "Argo Bromo";
    else if (kodekereta == "AL") return "Argo Lawu";
    else if (kodekereta == "PH") return "Argo Wilis";
    else if (kodekereta == "ag") return "Argo Bromo";
    else if (kodekereta == "al") return "Argo lawu";
    else if (kodekereta == "ph") return "Argo Wilis";
    else return "Kode Salah";
}


string Cek_kelas(int kodekelas)
{
    switch (kodekelas) {
        case 1: return "Executive";
        case 2: return "Bisnis";
        case 3: return "Ekonomi";
        default: return "Kode Salah";
}}

int Cek_harga(string kodekereta, int kodekelas) {
    kodekereta = toUpperCase(kodekereta);
    if (kodekereta == "AG") {
        switch (kodekelas) {
            case 1: return 400000;
            case 2: return 480000;
            case 3: return 460000;
            default: return -1;
        }
    } else if (kodekereta == "AL") {
        switch (kodekelas) {
            case 1: return 475000;
            case 2: return 455000;
            case 3: return 435000;
            default: return -1;
        }
    } else if (kodekereta == "PH") {
        switch (kodekelas) {
            case 1: return 650000;
            case 2: return 530000;
            case 3: return 310000;
            default: return -1;
        }
    } else if (kodekereta == "ag") {
        switch (kodekelas) {
            case 1: return 400000;
            case 2: return 480000;
            case 3: return 460000;
            default: return -1;
        }
    } else if (kodekereta == "al") {
        switch (kodekelas) {
            case 1: return 475000;
            case 2: return 455000;
            case 3: return 435000;
            default: return -1;
        }
    } else if (kodekereta == "ph") {
        switch (kodekelas) {
            case 1: return 650000;
            case 2: return 530000;
            case 3: return 310000;
            default: return -1;
        }
    }
    return -1; 
}

double Cek_diskon(int jumlahbeli, double subtotal) {
    if (jumlahbeli > 10) return subtotal * 0.10;
    else if (jumlahbeli > 5) return subtotal * 0.05;
    return 0.0;
}

int main() {
    string namapemesan, kodekereta;
    int kodekelas, jumlahbeli;

    judul();
    Daftar_tiket_kereta();
    Ketentuan_diskon();

    cout << " \nNama Pemesan:\n ";
    getline(cin, namapemesan);
    cout << "Masukkan Kode Kereta [AG/AL/PH]:\n ";cin >> kodekereta;
    cout << "Masukkan Kode Kelas [1/2/3]:\n ";cin >> kodekelas;
    cout << "Jumlah Beli:\n ";cin >> jumlahbeli;
    
string kodeKeretaCapital = toUpperCase(kodekereta);
    string namakereta = Cek_nama_kereta(kodeKeretaCapital);
    string namakelas = Cek_kelas(kodekelas);
    int hargatiket = Cek_harga(kodeKeretaCapital, kodekelas);
    
    

    if (namakereta == "Kode Salah" || namakelas == "Kode Salah" || hargatiket == -1) {
        cout << "\nKode yang anda masukan salah, coba lagi!" << endl;
        return 0;
    }
    cout << "==============================================================================" << endl;
    double subtotal = hargatiket * jumlahbeli;
    double diskon = Cek_diskon(jumlahbeli,subtotal);
    double total = subtotal - diskon;
    
cout << fixed << setprecision(2);

    cout << "\t\t\tDATA PEMESANAN KERETA" << endl;
    cout << "=============================================================================" << endl;
    cout << "Nama Pemesan   : " << namapemesan       << endl;
    cout << "Kode Kereta    : " << kodeKeretaCapital << endl; 
    cout << "Nama Kereta    : " << namakereta        << endl;
    cout << "Kode Kelas     : " << kodekelas         << endl;
    cout << "Nama Kelas     : " << namakelas         << endl;
    cout << "Harga Tiket    : " << hargatiket        << endl;
    cout << "Jumlah Beli    : " << jumlahbeli        << endl;
    cout << "Subtotal       : " << subtotal          << endl;
    cout << "Diskon         : " << diskon            << endl;
    cout << "Total          : " << total             << endl;
    cout << "=============================================================================" << endl;
    cout << "Nama  : Faqih Nur Zaki"      << endl;
    cout << "Email : [email protected]" << endl;
    cout << "=============================================================================" << endl;
    return 0;
}