int userRegistration()
{
        int RegistrationMenuChoice;
        int newUserRole;
        string newUserRoleChoice;
        //string user;
        ofstream UserRegistration;
        try
        {
            do{
                cout << "-----------------------------------" << endl;
                cout << "User Registration Menu" << endl;
                cout << "-----------------------------------" << endl;
                cout << "1. Add User" << endl;
                cout << "2. Edit User" << endl;
                cout << "3. Delete User" << endl;
                cout << "4. Display All Users" << endl;
                cin >> RegistrationMenuChoice;

                if (RegistrationMenuChoice == 1)
                {
                    string newUserName;
                    cout << "Enter New Username: " << endl;
                    cin >> newUserName;

                    for (int i = 0; i <= arrayIndex; i++)
                    {
                        while (newUserName == user[i].getUsername())
                        {
                            cout << "The username you entered is currently not available." << endl;
                            cout << "Please enter your new username: " << endl;
                            cin >> newUserName;
                        }
                    }

                    cout << "Enter New User Password: " << endl;
                    cin >> newUserPassword;

                    cout << "Enter User Role" << endl;
                    cout << "1. Purchase Manager" << endl;
                    cout << "2. Sales Manager" << endl;
                    cout << "3. Administrator" << endl;
                    cin >> newUserRole;

                    if (newUserRole == 1)
                    {
                        newUserRoleChoice = "PM";
                    }
                    else if (newUserRole == 2)
                    {
                        newUserRoleChoice = "SM";
                    }
                    else if (newUserRole == 3)
                    {
                        newUserRoleChoice = "Admin";
                    }

                    //Load array and add new info from new variables
                    User userTemp(NextUserID, newUserName, newUserPassword, newUserRoleChoice);
                    user[arrayIndex] = userTemp;
                    arrayIndex++;

                    UserRegistration.open("UserRegistration.dat");

                    for (int i = 0; i <= arrayIndex; i++)
                    {
                        UserRegistration << user[i].getUserID() << "\t";
                        UserRegistration << user[i].getUsername() << "\t";
                        UserRegistration << user[i].getPassword() << "\t";
                        UserRegistration << user[i].getRole() << endl;
                    }

                    NextUserID++;
                }

                //-------------------------------------------------------
                else if (RegistrationMenuChoice == 2)
                {

                    string userEditUserName;
                    string userEditPassword;
                    int userEditRole;
                    int userEditID;
                    string userEditRoleChoice;

                    cout << "Enter User ID to edit: ";
                    cin >> userEditID;

                    for (int i = 0; i <= arrayIndex; i++)
                    {
                        if (userEditID == user[i].getUserID())
                        {
                            userRegistrationIndex = i;
                        }
                    }

                    if (userRegistrationIndex == -1)
                    {
                        cout << "There is no such ID" << endl;
                    }
                    else
                    {
                        cout << endl << "Enter New Username for that user: " << endl;
                        cin >> userEditUserName;
                        cout << endl << "Enter New Password for the user: " << endl;
                        cin >> userEditPassword;
                        cout << endl << "Enter New Role for the user: " << endl;
                        cout << "1. Sales Manager" << endl;
                        cout << "2. Purchase Manager" << endl;
                        cout << "3. Administrator" << endl;
                        cin >> userEditRole;

                        if (userEditRole == 1)
                        {
                            userEditRoleChoice = "PM";
                        }
                        else if (userEditRole == 2)
                        {
                            userEditRoleChoice = "SM";
                        }
                        else if (userEditRole == 3)
                        {
                            userEditRoleChoice = "Admin";
                        }

                        User userTemp(userEditID, userEditUserName, userEditPassword, userEditRoleChoice);
                        user[userRegistrationIndex] = userTemp;

                        UserRegistration.open("UserRegistration.dat");


                        for (int i = 0; i <= arrayIndex; i++)
                        {
                            UserRegistration << user[i].getUserID() << "\t";
                            UserRegistration << user[i].getUsername() << "\t";
                            UserRegistration << user[i].getPassword() << "\t";
                            UserRegistration << user[i].getRole() << endl;
                        }


                    }




                }

                //-------------------------------------------------------
                else if (RegistrationMenuChoice == 3)
                {
                    int removeUserID;

                    cout << "Enter User ID to remove: " << endl;
                    cin >> removeUserID;

                    //Checking if information is in the array
                    for (int i = 0; i <= arrayIndex; i++)
                    {
                        if (removeUserID == user[i].getUserID())
                        {
                            userDeleteIndex = i;
                        }
                    }



                    if (userDeleteIndex == -1)
                    {
                        cout << "There is no such ID" << endl;
                    }
                    else
                    {
                        cout << "" << userDeleteIndex;
                        while (userDeleteIndex < arrayIndex){
                            user[userDeleteIndex] = user[userDeleteIndex + 1];
                            userDeleteIndex++;
                        }

                        arrayIndex--;


                    }

                    ofstream userRegistration;
                    userRegistration.open("UserRegistration.dat");

                    for (int i = 0; i <= arrayIndex; i++)
                    {
                        userRegistration << user[i].getUserID() << "\t";
                        userRegistration << user[i].getUsername() << "\t";
                        userRegistration << user[i].getPassword() << "\t";
                        userRegistration << user[i].getRole() << endl;
                    }
                }

                //-------------------------------------------------------
                else if (RegistrationMenuChoice == 4)
                {
                    for (int i = 0; i <= arrayIndex-1; i++)
                    {
                        cout << "ID: " << user[i].getUserID() << endl;
                        cout << "Username: " << user[i].getUsername() << endl;
                        cout << "Password: " << user[i].getPassword() << endl;
                        cout << "Role: " << user[i].getRole() << endl << endl;
                    }
                }

                UserRegistration.close();
                return 0;
            } while (RegistrationMenuChoice > 4);


        }
        catch (int e)
        {
            cout << "Exception Error";
        }
}