const readline = require('readline');

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});
let employee =[];
function menu(){
    console.log("1. Add Employee\n 2. Display Employee\n 3. Exit");
    rl.question("Enter your choice: ", function(choice){
        switch(choice){
            case '1':
                addEmployee();
                break;
            case '2':
                displayEmployee();
                break;
            case '3':
                rl.close();
                break;
            default:
                console.log("Invalid choice");
                menu();
        }
    });
}
function addEmployee(){
    rl.question("Enter employee name: ", function(name){
        rl.question("Enter employee id: ", function(id){
            employee.push({name: name, id: id});
            console.log("Employee added successfully");
            menu();
        });
    });
}
function displayEmployee(){
    if(employee.length === 0){
        console.log("No employee found");
    } else {
        console.log("Employee List:");
        employee.forEach(emp => {
            console.log(`Name: ${emp.name}, ID: ${emp.id}`);
        }     );
    }
    menu();
}
menu();