#if GRAPH_DESIGNER
using UnityEngine;
using Opsive.BehaviorDesigner.Runtime.Tasks;
using Opsive.BehaviorDesigner.Runtime.Tasks.Actions;
using BaseGames.Enemies;

namespace BaseGames.Enemies.AI
{
    /// <summary>
    /// BD Action：移向玩家。
    /// OnStart 缓存玩家 Transform，OnUpdate 每帧更新导航目标。
    /// </summary>
    public class BD_MoveToPlayer : Action
    {
        private EnemyBase  _enemy;
        private Transform  _playerTransform;

        public override void OnStart()
        {
            _enemy = GetComponent<EnemyBase>();
            var playerGO = GameObject.FindWithTag("Player");
            if (playerGO != null) _playerTransform = playerGO.transform;
        }

        public override TaskStatus OnUpdate()
        {
            if (_enemy == null)           return TaskStatus.Failure;
            if (_playerTransform == null) return TaskStatus.Failure;

            _enemy.MoveTo(_playerTransform.position);
            _enemy.FacePlayer();
            return TaskStatus.Running;
        }

        public override void OnEnd()
        {
            _enemy?.StopMovement();
        }
    }
}
#endif