using System.Collections;
using UnityEngine;
using Random = UnityEngine.Random;

namespace InterfaceOff.WorldScene
{
    public class EnemyController : MonoBehaviour
    {
        [SerializeField] private PlayerController Player;
        [SerializeField] private int DeathIndex = 500;
        [SerializeField] private Rigidbody Body;
        [SerializeField] private GameObject RendererObject;

        private Quaternion StartRotation;
        private Vector3 StartPosition;

        private bool WasAliveLastFrame;
        private bool Alive = true;

        private void Start()
        {
            StartPosition = transform.position;
            StartRotation = transform.rotation;

            Body.Sleep();
        }

        private void Update()
        {
            /* Updates the death state */
            WasAliveLastFrame = Alive;
            Alive = DeathIndex >= Player.FrameIndex;

            /* Checks if it just died */
            if (!Alive && WasAliveLastFrame)
            {
                Body.WakeUp();
                Body.AddForce(Random.insideUnitSphere * 250);

                StartCoroutine(routine: Suicide());
            }

            if (Alive)
            {
                transform.position = StartPosition;
                transform.rotation = StartRotation;
                Body.velocity = Vector3.zero;
                
                RendererObject.SetActive(true);
                Body.Sleep();
            }
        }

        private IEnumerator Suicide()
        {
            yield return new WaitForSeconds(1f);
            RendererObject.SetActive(false);
        }
    }
}