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// LAST UPDATED ON 17 NOVEMBER 2019
#include <iostream>
#include <iomanip>
#include <string>

using namespace std;

int main()
{
    char name[100], packageCode, mealResult, addCustResult;
    int childrenNum, childrenPrice, adultNum, adultPrice, i = 1, mealCharge = 0, aCount = 0, bCount = 0, cCount =0;
    bool meal = false, addCust = true;
    double totalBeforeSST, totalWithSST, totalSST, sst = 0.06, totalSales = 0;
    string packageName;

    while(i>0 && addCust) {

    // START GET_INPUT_FROM_USER

        cout << "Enter customer's name: " ;
        cin.getline(name, 100);

        cout << "Enter package code: " ;
        cin >> packageCode;

        cout << "Enter number of adults: ";
        cin >> adultNum;

        cout << "Enter number of children: ";
        cin >> childrenNum;

        cout << "Do you want to add meals your package? (Y/N): ";
        cin >> mealResult;

    // END GET_INPUT_FROM_USER
    // MEAL SECTION

        if(mealResult == 'Y' || mealResult == 'y'){

            meal = true;

        } else if(mealResult == 'N' || mealResult == 'n') {

            meal = false;

        }

        if(meal == true){

            mealCharge = (adultNum*50) + (childrenNum*30);

        } else if(meal == false)  {

            mealCharge = 0;

        }

    // END MEAL SECTION

    // START PACKAGE SELECTION

        if(packageCode == 'A' || packageCode == 'a'){

            packageName = "Langkawi Free & Easy";
            adultPrice = 200.00;
            childrenPrice = 150.00;
            aCount++;

        } else if(packageCode == 'B' || packageCode == 'b'){

            packageName = "Langkawi Island & Nature";
            adultPrice = 250.00;
            childrenPrice = 200.00;
            bCount++;

        } else if(packageCode == 'C' || packageCode == 'c'){

            packageName = "Langkawi Culture & Historical";
            adultPrice = 300.00;
            childrenPrice = 250.00;
            cCount++;

        } else {

            cout << "You have entered invalid Package Code. Please Try Again" << endl;

        }

        // END PACKAGE CODE SELECTION

        // TOTAL PROCESS

            totalBeforeSST = (adultNum*adultPrice) + (childrenNum*childrenPrice) + mealCharge;
            totalSST = totalBeforeSST * sst;
            totalWithSST = totalBeforeSST + totalSST;
            totalSales += totalWithSST;

        // RECEIPT

            cout.setf(ios::fixed);
            cout.precision(2);
            cout << endl;
            cout << "RECEIPT" << endl;
            cout << "------------------------------------------"    << endl;
            cout << "Customer's name    : "      << name            << endl;
            cout << "Package code       : "      << packageCode     << endl;
            cout << "Package name       : "      << packageName     << endl;
            cout << "Add meals          : "      << mealResult      << endl;
            cout << "Total before SST   : RM"    << totalBeforeSST  << endl;
            cout << "Total SST          : RM"    << totalSST        << endl;
            cout << "Total with SST     : RM"    << totalWithSST    << endl;
            cout << "------------------------------------------"    << endl;

        // END RECEIPT

        // ASK USER FOR ADD ANOTHER CUSTOMER

            cout << "\nAdd another customer? (Y/N) : ";
            cin >> addCustResult;
            cin.ignore();
            cout << endl;

            if(addCustResult == 'Y' || addCustResult == 'y' ) {

                addCust;

            } else if(addCustResult == 'N' || addCustResult == 'n'){

                addCust = !addCust;

            }

            if(!addCust){

                break;

            }

            i++;
    }

        cout << "AI TRAVEL & TOURS" << endl;
        cout << "*********************************************" << endl;
        cout << "Package A              : "     << aCount       << endl;
        cout << "Package B              : "     << bCount       << endl;
        cout << "Package C              : "     << cCount       << endl;
        cout << "Total sales            : RM"   << totalSales   << endl;
        cout << "*********************************************" << endl;

        return 0;

}