using System;
using Animation;
using UnityEngine;
using UnityEngine.AI;
using UnityEngine.InputSystem;

public class PlayerController : MonoBehaviour
{
    
    private AnimatorManager<AnimatorParam> _mAnimator;
    private NavMeshAgent _agent;
    private Movement_Ground _movement;
    
    private Status_Player _status;
    private Vector3 _destPos;

    

    // --- Enum 정의 ---
    enum AnimatorParam
    {
        speed,
        atk_speed,
        attack,
        run,
    }
    
    enum PlayerBehavior
    {
        Idle,
        Move,
        Attack,
        Die
    }

    private PlayerBehavior _behavior = PlayerBehavior.Idle;
    private PlayerBehavior Behavior
    {
        get { return _behavior; }
        set
        {
            _behavior = value;
            switch (_behavior)
            {
                case PlayerBehavior.Die:
                case PlayerBehavior.Idle:
                    _mAnimator.SetValue(AnimatorParam.speed, 0);
                    break;
                case PlayerBehavior.Move:
                    _mAnimator.SetValue(AnimatorParam.attack, false);
                    break;
                case PlayerBehavior.Attack:
                    _mAnimator.SetValue(AnimatorParam.attack, true);
                    break;
            }
        }
    }

    // --- 초기화 ---
    private void Awake()
    {
        _mAnimator = new AnimatorManager<AnimatorParam>(GetComponent<Animator>());
        _movement = gameObject.AddComponent<Movement_Ground>();
        _status = gameObject.GetComponent<Status_Player>();
        
        if (_status != null && _movement != null) _movement.SetSpeed(_status.MoveSpeed);
    }

    void Start()
    {
        Manager.Input.MouseAction -= OnMouseClicked;
        Manager.Input.MouseAction += OnMouseClicked;
        Manager.Input.KeyAction -= OnKeyboardInput;
        Manager.Input.KeyAction += OnKeyboardInput;
        SetAnimator();
    }

    void SetAnimator()
    {
        if (_status != null)
        {
            _mAnimator.SetValue(AnimatorParam.atk_speed, _status.AtkSpeed);
        }
    }

    // --- 매 프레임 실행 ---
    void Update()
    {
        Debug.Log($"{_behavior}");
        if (_agent != null && _movement != null) _mAnimator.SetValue(AnimatorParam.speed, _movement.GetCurrentSpeed());
        
        if (_behavior == PlayerBehavior.Move)
        {
            if (!_movement.IsMoving()) Behavior = PlayerBehavior.Idle;
            else _mAnimator.SetValue(AnimatorParam.speed,_movement.GetCurrentSpeed());
        }
    }

    void OnMouseClicked(Define.MouseEvent evt)
    {
        if (Behavior == PlayerBehavior.Die) return;

        RaycastHit hit;
        Ray ray = Camera.main.ScreenPointToRay(Mouse.current.position.ReadValue());
        
        int layerMask = LayerMask.GetMask("Ground");
        if (!Physics.Raycast(ray, out hit, 100.0f, layerMask))
            return;

        _destPos = hit.point;

        switch (evt)
        {
            case Define.MouseEvent.Click:
            case Define.MouseEvent.Down:
                _movement.SetDestination(_destPos);
                Behavior = PlayerBehavior.Move;
                break;
            case Define.MouseEvent.Press:
                if (Behavior == PlayerBehavior.Move) _movement.SetDestination(_destPos);
                break;
        }
    }

    void OnKeyboardInput()
    {
        // 키보드 입력이 필요할 경우 여기에 로직 구현
    }
}