#include <iostream>
using namespace std;

int pin[4]; //pin
int ver_pin[4];
int pin_1[4];
int x;

int new_User();
int old_User();

int menu(){ // this function will call all other function to be executed in main function
    cout <<"\n---------+HONEY BANK+--------"<< endl;
    cout <<"    [1] New User" << endl;
    cout <<"    [2] Old User" << endl;
    cout <<"-----------------------------"<< endl;
    cout << "Select User type: ";
    cin >> x;
    if(x==1){
        new_User(); // calling function new_User
    }
    if(x==2){
        old_User(); // calling function old_User
    }
}

int new_User(){
    system("cls");
    cout <<"***New User Registered***" << endl;
    cout << "\nEnter PIN: ";
    for(int i = 0; i < 1; i++){
        cin >> pin[i]; // save inputed value on pin array memory location 0
    }

    cout << "\nVerify your Pin"<< endl;
    cout << "\nEnter new PIN again: ";
    for( int i = 0; i < 1; i++){
        cin >> ver_pin[i]; // also will save inputed value on ver_pin array memory location 0
    }

    if(pin[0] == ver_pin[0]){
        cout << "You're now validated!" << endl;
        return old_User();
    }
    else{
        cout << "Opsss! Error\nReturning to Menu" << endl;
        return menu(); // returning on function menu :: in short program will restart if [false]
    }
}

int old_User(){
    system("cls");
    cout <<"***Log in User***" << endl;
    cout <<"Enter PIN: ";
    for(int i = 0; i < 1; i++){
        cin >> pin_1[i];
    }
    if(pin_1[0] == pin[0] && pin_1[0] == ver_pin[0]){ // condition:: if array pin_1 0 is == pin array 0 AND if array pin_1 0 is == to ver_pin 0  AND = both true
        cout << "Account Aunthecation Successful!" << endl;
    }

}


int main(){
    menu();
}