using System;

namespace Data_Coupler.Services
{
    public interface IAuthenticationService
    {
        bool IsAuthenticated { get; }
        event Action? OnAuthenticationStateChanged;
        bool Login(string password);
        void Logout();
    }

    public class AuthenticationService : IAuthenticationService
    {
        // Password hardcoded - CAMBIARE IN PRODUZIONE
        private const string HARDCODED_PASSWORD = "admin123";
        
        private bool _isAuthenticated = false;

        public bool IsAuthenticated => _isAuthenticated;

        public event Action? OnAuthenticationStateChanged;

        public bool Login(string password)
        {
            if (password == HARDCODED_PASSWORD)
            {
                _isAuthenticated = true;
                OnAuthenticationStateChanged?.Invoke();
                return true;
            }
            return false;
        }

        public void Logout()
        {
            _isAuthenticated = false;
            OnAuthenticationStateChanged?.Invoke();
        }
    }
}