using System.Numerics;
using TreeEditor;
using UnityEngine;
using Quaternion = UnityEngine.Quaternion;
using Vector3 = UnityEngine.Vector3;
public class PlayerController : MonoBehaviour
{
    [SerializeField]
    float _speed = 10.0f;

    bool _moveToDest = false;
    private Vector3 _destPos;
    
    void Start()
    {
        Managers.Input.KeytAction -= OnKyeboard;
        Managers.Input.KeytAction += OnKyeboard;
        Managers.Input.MouseAction -= OnMouseClicked;
        Managers.Input.MouseAction += OnMouseClicked;
    }
    
    void Update()
    {
        if (_moveToDest)
        {
            Vector3 dir = _destPos - transform.position;
            if (dir.magnitude < 0.0001f)
            {
                _moveToDest = false;
            }
            else
            {
                float moveDist = Mathf.Clamp(_speed * Time.deltaTime, 0, dir.magnitude);
                transform.position += dir.normalized * moveDist;
                
                transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(dir), 20 * Time.deltaTime);
                // transform.LookAt(_destPos);
            }
        }
    }

    void OnKyeboard()
    {
        if (Input.GetKey(KeyCode.W))
        {
            transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(Vector3.forward), 0.2f);
            transform.position += (Vector3.forward * Time.deltaTime * _speed);
        }

        if (Input.GetKey(KeyCode.S))
        {
            transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(Vector3.back), 0.2f);
            transform.position += (Vector3.back * Time.deltaTime * _speed);
        }

        if (Input.GetKey(KeyCode.A))
        {
            transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(Vector3.left), 0.2f);
            transform.position += (Vector3.left * Time.deltaTime * _speed);
        }

        if (Input.GetKey(KeyCode.D))
        {
            transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.LookRotation(Vector3.right), 0.2f);
            transform.position += (Vector3.right * Time.deltaTime * _speed);
        }

        _moveToDest = false;
    }

    void OnMouseClicked(Define.MouseEvent evt)
    {
        if (evt != Define.MouseEvent.Click)
        {
            return;
        }
        
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);

        Debug.DrawRay(Camera.main.transform.position, ray.direction * 100.0f, Color.red, 1.0f);
            
        RaycastHit hit;
        if(Physics.Raycast(ray, out hit, 100.0f, LayerMask.GetMask("Wall")));
        {
            _destPos = hit.point;
            _moveToDest = true;
            // Debug.Log($"Raycast Camera @ {hit.collider.gameObject.tag}");
        }
    }
}