/*C++ Program that simulates an ordering system*/
 
#include <iostream>
using namespace std;
 
int main() {
    char choice; //Declare choices for user input and total bill
    float T_Bill = 0;
 
    printf("Welcome to 'Maes-Resto'!\n");
    printf("May I take your order?\n");
    printf("Press '1' - Yes, Press '2' - No: ");
    cin >> choice;
 
    if (choice == '1'){
        cout << "===================================\n";
        printf("Do you want an appetizer?\n");
        printf("Press '1' - Yes, Press '2' - No: ");
        cin >> choice;
 
        cout << "===================================\n";
        switch (choice){
        case '1':
            printf("Choose from the following options:\n");
            printf("A: Salad\tB:Soup\n");
            printf("Your Choice: ");
            cin >> choice;
            switch (choice){ //Jumps to labels' SALAD, SOUP, or MAINMENU
            case 'A':
                goto SALAD;
            case 'B':
                goto SOUP;
            }
        case '2':
            goto MAINMENU;
        }
    }
    else {
        printf("Thank you so much for coming to 'Maes-Resto'!");
        exit(0); //Terminates the code
    }
 
    SALAD:
        {
        const float TV_Salad = 7.95, C_Salad = 5.00; //Price of products
        cout << "===================================\n";
        printf("SALAD MENU:\n");
        cout << "A: Thai Vermicelli Salad     $" << TV_Salad << endl;
        cout << "B: Ceasar Salad              $" << C_Salad << endl;
        printf("Your Choice: ");
        cin >> choice;
        switch (choice){ //Adds the price to the total bill
        case 'A':
            T_Bill += TV_Salad;
            break;
        case 'B':
            T_Bill += C_Salad;
            break;
        }
        goto MAINMENU; //Jumps to MAINMENU
        }
 
    SOUP:
        {
        const float TY_Soup = 10.95, CT_Soup = 9.00;
        cout << "===================================\n";
        printf("SOUP MENU:\n");
        cout << "A: Tom Yum Soup              $" << TY_Soup << endl;
        cout << "B: Clear Tofu Soup           $" << CT_Soup << endl;
        printf("Your Choice: ");
        cin >> choice;
        switch (choice){
        case 'A':
            T_Bill += TY_Soup;
            break;
        case 'B':
            T_Bill += CT_Soup;
            break;
        }
        goto MAINMENU;
        }
 
 
    MAINMENU:
        {
        const float EBF_Fillets = 20.05, MG_Salmon = 25.25, CC_Bleu = 22.99;
        cout << "===================================\n";
        printf("MAIN COURSE MENU:\n");
        cout << "A: Easy Baked Fish Fillets   $" << EBF_Fillets << endl;
        cout << "B: Miso-Glazed Salmon        $" << MG_Salmon << endl;
        cout << "C: Chicken Cordon Bleu       $" << CC_Bleu << endl;
        printf("Your Choice: ");
        cin >> choice;
        switch (choice){
        case 'A':
            T_Bill += EBF_Fillets;
            break;
        case 'B':
            T_Bill += MG_Salmon;
            break;
        case 'C':
            T_Bill += CC_Bleu;
            break;
        }
        goto CHECKOUT; // Jumps to CHECKOUT
        }
 
    CHECKOUT:
        float pay;
        while (true) { //Loops infinetely until user provided sufficient payment
            cout << "===================================\n";
            cout << "Total amount: $" << T_Bill << endl;
            cout << "Payment: $";
            cin >> pay;
            if (pay >= T_Bill){
                cout << "Change: $" << (pay - T_Bill) << endl;
                cout << "Thank you so much for coming to 'Maes-Resto'!\n";
                break; //Stops the loop
            }
            cout << "Insufficient amount!\n";
        }
}