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#include <iostream>
#include <string>
#include <windows.h>

using namespace std;

int main()
{
    char bclass, mpref, spref, memb, spreq, dof;
    string conf, email, name, sbclass, date, sdate, smpref, sspref, smemb, sspreq, sdof;

    int clOffer = 0, dateOffer = 0, mealOffer = 0, seatOffer = 0, membOffer = 0, specOffer = 0, duraOffer = 0;
    int clCon = 0, specCon = 0, duraCon = 0;

    cout << "Welcome to SkySail Airlines!" << endl << endl << endl;

    while (true) {
        cout << "Do you want to book a ticket? (Yes/No): ";
        cin >> conf;

        if (conf == "No" || conf == "N" || conf == "n" || conf == "no") {
            system("cls");
            cout << "We would love to fly with you soon!\n\n" << endl;
            break;
        }
        else if (conf == "Yes" || conf == "Y" || conf == "y" || conf == "yes" || conf == "ye") {
            system("cls");
            cout << "Loading options...\n\n";
            Sleep(3000);
            system("cls");

            cin.ignore();
            cout << "SkySail Airlines Reservation System" << endl << endl;

            cout << "Booking Class" << endl << endl;
            cout << "1. [F]irst Class\n2. [B]usiness\n3. [P]remium Economy\n4. [E]conomy" << endl << endl;
            cin >> bclass;
            system("cls");

            switch (bclass) {
            case '1':
            case 'F':
            case 'f':
                sbclass = "First Class";
                clOffer = 1;
                break;

            case '2':
            case 'B':
            case 'b':
                sbclass = "Business";
                clOffer = 2;
                break;

            case '3':
            case 'P':
            case 'p':
                sbclass = "Premium Economy";
                clOffer = 3;
                break;

            case '4':
            case 'E':
            case 'e':
                sbclass = "Economy";
                clOffer = 4;
                break;

            default:
                cout << "Invalid selection. Please choose a valid option." << endl;
                continue;
            }

            system("cls");

            cout << "SkySail Airlines Reservation System" << endl << endl;

            cout << "Enter the date of flight (MM/DD/YYYY): ";
            cin >> date;

            string monthStr = date.substr(0, 2);
            int month = stoi(monthStr);

            if ((month >= 1 && month <= 4) || (month >= 10 && month <= 12)) {
                sdate = "Peak";
                dateOffer = 1;
            }
            else if (month >= 6 && month <= 9) {
                sdate = "Off-peak";
                dateOffer = 0;
            }
            else {
                cout << "Invalid month. Please enter a valid date in the format MM/DD/YYYY." << endl;
                continue;
            }

            system("cls");

            cout << "SkySail Airlines Reservation System" << endl << endl;
            cout << "What type of meal set would you prefer?" << endl;
            cout << "1. [N]on-vegetarian\n2. [Ve]getarian\n3. [V]egan\n4. [G]luten-free\n\n";
            cin >> mpref;

            switch (mpref) {
            case '1':
            case 'N':
            case 'n':
                smpref = "Non-vegetarian";
                mealOffer = 1;
                break;

            case '2':
            case 'VE':
            case 've':
            case 'Ve':
                smpref = "Vegetarian";
                mealOffer = 2;
                break;

            case '3':
            case 'V':
            case 'v':
                smpref = "Vegan";
                mealOffer = 3;
                break;

            case '4':
            case 'G':
            case 'g':
                smpref = "Gluten-free";
                mealOffer = 4;
                break;

            default:
                cout << "Invalid selection. Please choose a valid option." << endl;
                continue;
            }

            system("cls");

            cout << "SkySail Airlines Reservation System" << endl << endl;
            cout << "What seat position would you like? " << endl;
            cout << "1. [A]isle\n2. [W]indow\n3. [M]iddle" << endl << endl;
            cin >> spref;

            switch (spref) {
            case '1':
            case 'A':
            case 'a':
                sspref = "Aisle";
                seatOffer = 1;
                break;

            case '2':
            case 'W':
            case 'w':
                sspref = "Window";
                seatOffer = 2;
                break;

            case '3':
            case 'M':
            case 'm':
                sspref = "Middle";
                seatOffer = 3;
                break;

            default:
                cout << "Invalid selection. Please choose a valid option." << endl;
                continue;
            }

            system("cls");

            cout << "SkySail Airlines Reservation System" << endl << endl;
            cout << "Special Requirements" << endl;
            cout << "1. [W]heelchair Access\n2. Near [R]estroom\n3. Extra [L]egroom\n4. [N]o Special Requirements\n" << endl;
            cin >> spreq;

            switch (spreq) {
            case '1':
            case 'W':
            case 'w':
                sspreq = "Wheelchair Access";
                specOffer = 1;
                break;

            case '2':
            case 'R':
            case 'r':
                sspreq = "Near Restroom";
                specOffer = 2;
                break;

            case '3':
            case 'L':
            case 'l':
                sspreq = "Extra Legroom";
                specOffer = 3;
                break;

            case '4':
            case 'N':
            case 'n':
                sspreq = "No Special Requirements";
                specOffer = 4;
                break;

            default:
                cout << "Invalid selection. Please choose a valid option." << endl;
                continue;
            }

            system("cls");

            cout << "SkySail Airlines Reservation System" << endl << endl;
            cout << "How long would you want to travel?" << endl;
            cout << "1. [S]hort-haul\n2. [M]edium-haul\n3. [L]ong-haul\n\n";
            cin >> dof;

            switch (dof) {
            case '1':
            case 'S':
            case 's':
                sdof = "Short-haul";
                duraOffer = 1;
                break;

            case '2':
            case 'M':
            case 'm':
                sdof = "Medium-haul";
                duraOffer = 2;
                break;

            case '3':
            case 'L':
            case 'l':
                sdof = "Long-haul";
                duraOffer = 3;
                break;

            default:
                cout << "Invalid selection. Please choose a valid option." << endl;
                continue;
            }

            system("cls");

            cout << "SkySail Airlines Reservation System" << endl << endl;
            cout << "Loyalty Membership" << endl;
            cout << "1. [G]old\n2. [S]ilver\n3. [B]ronze\n4. [N]one\n" << endl;
            cin >> memb;

            switch (memb)
            {
            case '1':
            case 'G':
            case 'g':
                smemb = "Gold";
                membOffer = 1;
                break;

            case '2':
            case 'S':
            case 's':
                smemb = "Silver";
                membOffer = 2;
                break;

            case '3':
            case 'B':
            case 'b':
                smemb = "Bronze";
                membOffer = 3;
                break;

            case '4':
            case 'N':
            case 'n':
                smemb = "Unavailable";
                membOffer = 4;
                break;

            default:
                cout << "Invalid selection. Please choose a valid option." << endl;
                break;
            }

            system("cls");
            cout << "Fetching your selected details...\n\n\n\n";
            Sleep(4000);
            system("cls");

            cout << "SkySail Airlines Reservation System" << endl << endl;
            cout << "Selected seat class: " << sbclass << "\t\t" << "Flying on " << date << endl << endl;

            cout << "Preferred meal set: " << smpref << "\t\t" << "Seat preference: " << sspref << endl;
            cout << "Duration of flight: " << sdof << "\t\t\n" << "Special Requirements: " << sspreq << endl << endl;

            cout << smemb << " Membership" << endl << endl << endl;

            cout << "Due to your selected flight conditions, you have been granted with the following offers!" << endl << endl;

            if (clOffer == 1) {
                if (membOffer == 1) clCon = 2;
                else clCon = 1;
            }
            else if (clOffer == 2 && (membOffer == 1 || membOffer == 2)) {
                clCon = 3;
            }
            else if (clOffer == 3 && dateOffer == 1) {
                clCon = 4;
            }
            else if (clOffer == 4) {
                if (seatOffer == 3 && membOffer == 3) clCon = 5;
                else if (seatOffer == 3) clCon = 6;
                else if (membOffer == 3) clCon = 7;
            }

            switch (clCon) {
            case 1:
                cout << "Free WiFi" << endl;
                break;
            case 2:
                cout << "Free WiFi" << endl;
                cout << "Airport Lounge Access" << endl;
                break;
            case 3:
                cout << "Priority Boarding" << endl;
                break;
            case 4:
                cout << "Your next flight booking is discounted" << endl;
                break;
            case 5:
                cout << "Free Neck Pillow" << endl;
                cout << "5% discount for in-flight meals" << endl;
                break;
            case 6:
                cout << "Free Neck Pillow" << endl;
                break;
            case 7:
                cout << "5% discount for in-flight meals" << endl;
                break;
            }

            if (duraOffer == 3) {
                if (seatOffer == 1) duraCon = 2;
                else if (seatOffer == 2) duraCon = 3;
                else duraCon = 1;
            }
            else if (duraOffer == 2 && seatOffer == 1) {
                duraCon = 4;
            }
            else if (duraOffer == 1 && (mealOffer == 2 || mealOffer == 3)) {
                clCon = 4;
            }

            switch (duraCon) {
            case 1:
                cout << "Provided with a blanket and headphones" << endl;
                break;
            case 2:
                cout << "Provided with a blanket and headphones" << endl;
                cout << "Free drink voucher" << endl;
                break;
            case 3:
                cout << "Provided with a blanket and headphones" << endl;
                cout << "Sleeping kit" << endl;
                break;
            case 4:
                cout << "Entertainment system with a charging port" << endl;
                break;
            }

            if (specOffer != 4) {
                cout << "\n\nDue to having " << sspreq << " requirement. We will provide you with ";

                if (specOffer == 1) {
                    cout << "ground staff assistance during boarding and de-boarding and seats close to the entrance" << endl;
                }
                else if (specOffer == 2) {
                    cout << "seats near the restroom" << endl;
                }
                else if (specOffer == 3) {
                    cout << "availability for front-row seats" << endl;
                }
            }
            else

                cout << " ";

            cout << "\n\nConfirm your details and ticket. Enter your email address: ";
            cin.ignore();
            getline(cin, email);
            cout << "\nEnter your name: ";
            getline(cin, name);


            system("cls");
            cout << "Please wait..." << endl;
            Sleep(1000);

            system("cls");
            cout << "SkySail Airlines Reservation System" << endl;
            cout << "\n\nSending the ticket to " << email << "..." << endl;

            Sleep(2000);
            cout << "\nTicket sent to " << email << ". Thank you " << name << " for flying with SkySail Airlines!" << endl;

            cout << "\nWe're looking forward to flying with you again!" << endl;
            break;
        }
    }

    return 0;
}

/*

Conditions:

bclass(first class) = auto free wifi
bclass(first class) && memb (gold) = airport lounge access
bclass(economy) && spref(middle) = neck pillow
bclass(business) && memb(silver||gold) = prio boarding
bclass(premium economy) && dot(peak) = avail discount for next booking
bclass(economy) && memb(bronze) = 5% discount on flight meal

dof(short-haul) && mpref(vegetarian||vegan) = offer snack box
dof(medium-haul && spref(window) = es with charging port
dof(long-haul) = blanket and headphones
dof(long-haul) && spref(aisle)  = free drink voucher
dof(long-haul) && spref(window)= sleeping kit


mpref(vegan||gluten-free) = confirm meal 48 hours before flight

sreq(extra legroom) = always front-row seat
sreq(wheelchair) = assistance, seat close to entrance
sreq(near restroom) = not next to emergency exits







/*Conditions
Booking Class: Economy, Premium Economy, Business, First Class.
● Date of Travel: Determines peak or off-peak travel times.
● Meal Preference: Vegetarian, Non-Vegetarian, Vegan, Gluten-Free, etc.
● Seat Preference: Aisle, Window, or Middle.
● Loyalty Membership: Gold, Silver, Bronze, or None.
● Special Requirements: Wheelchair access, near restroom, extra legroom.
● Duration of Flight: Short-haul (< 3 hours), Medium-haul (3-6 hours), Long-haul (>
6 hours).
*/