using UnityEngine;

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

        public delegate void FixedUpdateAction();
        public static event FixedUpdateAction FixedUpdated;

        public delegate void LateUpdateAction();
        public static event LateUpdateAction LateUpdated;
        
        public delegate void EarlyUpdateAction();
        public static event EarlyUpdateAction EarlyUpdated;


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

        private void FixedUpdate()
        {
            FixedUpdated?.Invoke();
        }

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

        public static int UpdateLength
        {
            get
            {
                var list = Updated?.GetInvocationList();
                return list?.Length ?? 0;
            }
        }

        public static int FixedUpdateLength
        {
            get
            {
                var list = FixedUpdated?.GetInvocationList();
                return list?.Length ?? 0;
            }
        }

        public static int LateUpdateLength
        {
            get
            {
                var list = LateUpdated?.GetInvocationList();
                return list?.Length ?? 0;
            }
        }
        
        public static int EarlyUpdateLength
        {
            get
            {
                var list = EarlyUpdated?.GetInvocationList();
                return list?.Length ?? 0;
            }
        }
    }
}