using System.Collections;
using System.Collections.Generic;
using System.Linq;
using NaughtyAttributes;
using UnityEngine;
using UnityEngine.VFX;

public class UpdateMesh : MonoBehaviour
{
    public Animator skinnedMeshAnimator;
    public SkinnedMeshRenderer skinnedMesh;
    public VisualEffect effect;
    public NPC Npc;
    public Shader instanceDisable;
    public Material instancePreset;
    
    private Material _materialInstance;
    
    private static readonly int DAmount         = Shader.PropertyToID("Vector1_393c81c15f434c19bf41187f07e7d7a4");
    private static readonly int DWight          = Shader.PropertyToID("Vector1_d7d572e8425e4147a2fd14f9c31724fc");

    [SerializeField] private List<Collider> colliders = new List<Collider>();
    public void Start()
    {
        Npc.OnDead += NpcOnOnDead;
    }

    private void NpcOnOnDead()
    {
        foreach (var _collider in colliders)
        {
            _collider.enabled = false;
        }
        DeadStart();
    }

    public IEnumerator BeakProcess()
    {
        for (int i = 0; i < 300; i++)
        {
            yield return new WaitForSeconds(0.15f);
            SetSoulMesh(skinnedMesh, effect);
        }
    }

    public IEnumerator DeadProcess()
    {
        skinnedMeshAnimator.Play("D");
        effect.gameObject.SetActive(true);
        var t = 0.0f;
        SetSoulMesh(skinnedMesh, effect);
        StartCoroutine(BeakProcess());
        for (int i = 0; i < 300; i++)
        {

            var d = (i)/300.0f;
            d = Mathf.Clamp01(d);
            var d2 = Mathf.Clamp01(d+0.018f);
            yield return new WaitForSeconds(0.02f);
            skinnedMesh.material.SetFloat(DAmount, d);
            skinnedMesh.material.SetFloat(DWight, d2);
            t += Time.fixedDeltaTime;
            
        }
        effect.gameObject.SetActive(false);
    }
    public void SetSoulMesh(SkinnedMeshRenderer skinnedMesh, VisualEffect effect)
    {
        Mesh temp = new Mesh();
        skinnedMesh.BakeMesh(temp);
        Vector3[] vertices = temp.vertices;

        Mesh m2 = new Mesh();
        m2.vertices = vertices;
        effect.SetMesh("Mesh", m2);
    }
    
    [Button()]
    public void FindColl()
    {
        colliders = transform.parent.gameObject.GetComponentsInChildren<Collider>().ToList();
    }

    [Button()]
    public void DeadStart()
    {
        _materialInstance = new Material(instancePreset);
        skinnedMesh.material = _materialInstance;
        
        StartCoroutine(DeadProcess());
    }
    // public GameObject targetRoot;
    // [Button()] 
    // public void CopyCollidersTo()
    // {
    //     foreach (var sourceCollider in colliders)
    //     {
    //         var targetTransform = FindDeepChildByName(targetRoot.transform, sourceCollider.transform.name);
    //         if (targetTransform == null)
    //         {
    //             Debug.LogWarning($"No object with name found: {sourceCollider.transform.name}");
    //             continue;
    //         }
    //         var type = sourceCollider.GetType();
    //         var targetCollider = (Collider)targetTransform.gameObject.AddComponent(type);
    //         UnityEditorInternal.ComponentUtility.CopyComponent(sourceCollider);
    //         UnityEditorInternal.ComponentUtility.PasteComponentValues(targetCollider);
    //     }
    // }
    private Transform FindDeepChildByName(Transform parent, string name)
    {
        foreach (Transform child in parent)
        {
            if (child.name == name)
                return child;

            var result = FindDeepChildByName(child, name);
            if (result != null)
                return result;
        }
        return null;
    }
}