gistfile1.txt

#include <iostream>
#include <windows.h>  
#include <conio.h> 
using namespace std;

void log_in();
void main_menu();
void admin();
void sign_in();
void admin_menu();
void category();


void start(string text = "") {
    system("cls");
    cout << "Welcome to 'My Store'\n";
    int choice;
    cout << "1. Log in\n";
    cout << "2. Sign in \n";
    cout << "3. Admin\n";
    cout << text;

    cin >> choice;

    switch (choice) {
    case 1: log_in();
        break;
    case 2: sign_in();
        break;
    case 3: admin();
        break;
    default:
        cout << "Invalid choice. Please try again.\n";
        start();
        break;
    }
}

void log_in() {
    system("cls");
    string name, pass;
    cout << "Log in: \n";
    cout << "Enter your name: ";
    cin >> name;
    cout << "\nEnter your password: ";
    cin >> pass;

    cout << "Thank you for logging in!\n";
    main_menu();
}

void sign_in() {
    system("cls");
    static string name, pass;
    cout << "Sign in: \n";
    cout << "Enter your name: ";
    cin >> name;
    cout << "\nEnter your password: ";
    cin >> pass;

    cout << "Thank you for signing up! You can now log in.\n";
    main_menu();
}

void main_menu() {
    system("cls");
    cout << "Main Menu: \n";
    cout << "1. Categories\n";
    cout << "2. Cart\n";
    cout << "3. Exit\n";

    int choice;
    cin >> choice;

    switch (choice) {
    case 1:
        cout << "Displaying category...\n";
        category();
        break;
    case 2:
        cout << "Displaying cart...\n";
        break;
    case 3:
        cout << "Exiting the store. Goodbye!\n";
        exit(0);
        break;
    default:
        cout << "Invalid choice. Please try again.\n";
        main_menu();
        break;
    }
}

void category() {
    system("cls");
    int size = 5;
    string categories[] = { "Dairy", "Cereals", "Bakery", "Meat", "Fruits" };

    for (int i = 0; i < size; i++) {
        cout << i + 1 << ". " << categories[i] << "\n";
    }

    int category_choice;
    cout << "\nChoose a category (1-" << size << "): ";
    cin >> category_choice;
    if (category_choice < 1 || category_choice > size) {
        cout << "Invalid choice.\n";
        category();  
    }
    else {
        switch (category_choice) {
        case 1:
            break;
        }
    }
}

void admin_menu() {
    system("cls");
    cout << "Admin Menu: \n";
    cout << "1. Change Catalog\n";
    cout << "2. View Users\n";
    cout << "3. Exit\n";

    int choice;
    cin >> choice;

    switch (choice) {
    case 1:
        cout << "Change catalog functionality (not implemented yet).\n";
        break;
    case 2:
        cout << "View users functionality (not implemented yet).\n";
        break;
    case 3:
        cout << "Exiting admin menu.\n";
        break;
    default:
        cout << "Invalid choice. Please try again.\n";
        admin_menu();
        break;
    }
}

void admin() {
    system("cls");
    string name, pass;
    cout << "Admin Login: \n";
    cout << "Enter your name: ";
    cin >> name;
    cout << "\nEnter your password: ";
    cin >> pass;

    if (name == "admin228" and pass == "123") { // pass and loign to admin
        admin_menu();
    }
    start("Dont corect password or login!!!\n(check description in the code)"); 
}

int main() {
    while (true) {
        start();
    }
}

Is it an online shopping management system?