using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Enemy {
    public class SkinlessMonsterAnimator : MonoBehaviour
    {
        [SerializeField] private Animator animator;

        [SerializeField]
        [Tooltip("This is the object with the skin dissolve material")]
        private GameObject modelObject;

        [SerializeField] private List<GameObject> objectsThatFallOnDeath = new();

        [SerializeField] private float deathSpeed = 5f;

        [SerializeField] private float fastDeathduration = 1f;

        [SerializeField] private float deathDuration = 5f;

        private float curDeathSpeed = 5f;

        private Material dissolveMaterial;
        private bool isAlive = true;

        private float speed;
        public bool IsRunning { get; private set; }


        // Start is called before the first frame update
        private void Start()
        {
            dissolveMaterial = modelObject.GetComponent<SkinnedMeshRenderer>().materials[0];
            curDeathSpeed = deathSpeed;
        }

        // Update is called once per frame
        private void Update()
        {
            if (isAlive)
            {
                animator.SetFloat("Speed", speed);
            }
            else
            {
                var quantity = dissolveMaterial.GetFloat("_DissolveQuantity");
                quantity = Mathf.Lerp(quantity, -2, Time.deltaTime * curDeathSpeed);
                dissolveMaterial.SetFloat("_DissolveQuantity", quantity);
            }
        }

        public void StartMoving()
        {
            if (isAlive)
            {
                IsRunning = true;
                speed = 1;
            }
        }

        public void StopMoving()
        {
            if (isAlive)
            {
                speed = 0;
                IsRunning = false;
            }
        }

        public void Attack()
        {
            if (isAlive) animator.SetTrigger("Attack");
        }


        /// <summary>
        ///     0,1,2,3
        /// </summary>
        /// <param name="attackType"></param>
        public void SetAttackType(int attackType)
        {
            animator.SetInteger("AttackIndex", attackType);
        }

        public void InLight()
        {
            if (isAlive)
                animator.SetBool("InLight", true);
        }

        public void NotInLight()
        {
            if (isAlive)
                animator.SetBool("InLight", false);
        }

        public void AttackScream()
        {
            if (isAlive)
                animator.SetTrigger("AttackScream");
        }

        public void Kill(bool fast = false)
        {
            //animator.speed = 0;
            InLight();


            isAlive = false;
            foreach (var obj in objectsThatFallOnDeath)
            {
                obj.AddComponent<Rigidbody>();
                if (obj.GetComponent<Collider>() != null) obj.GetComponent<Collider>().enabled = false;
            }

            var dur = deathDuration;
            if (fast)
            {
                dur = fastDeathduration;
                curDeathSpeed = deathSpeed * (deathDuration / fastDeathduration);
            }

            StartCoroutine(destroyAfterSeconds(dur));
        }


        private IEnumerator destroyAfterSeconds(float duration)
        {
            yield return new WaitForSeconds(duration);
            Destroy(gameObject);
        }
    }
}