using System;
using UnityEngine;

namespace Utils
{
    public class EventManager : MonoBehaviour
    {
        public delegate void UpdateAction();

        public static event UpdateAction Updated;

        public delegate void LateUpdateAction();

        public static event LateUpdateAction LateUpdated;

        public delegate void EarlyUpdateAction();

        public static event EarlyUpdateAction EarlyUpdated;

        public delegate void LastUpdateAction();

        public static event LastUpdateAction LastUpdated;


        private void Update()
        {
            EarlyUpdated?.Invoke();
            Updated?.Invoke();
        }

        private void LateUpdate()
        {
            LateUpdated?.Invoke();
            LastUpdated?.Invoke();
        }

        public static Delegate[] EarlyUpdateDelegates => EarlyUpdated?.GetInvocationList();

        public static int EarlyUpdateLength => EarlyUpdateDelegates?.Length ?? 0;

        public static Delegate[] UpdateDelegates => Updated?.GetInvocationList();

        public static int UpdateLength => UpdateDelegates?.Length ?? 0;

        public static Delegate[] LateUpdateDelegates => LateUpdated?.GetInvocationList();

        public static int LateUpdateLength => LateUpdateDelegates?.Length ?? 0;

        public static Delegate[] LastUpdateDelegates => LastUpdated?.GetInvocationList();

        public static int LastUpdateLength => LastUpdateDelegates?.Length ?? 0;
    }
}