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

namespace BaseGames.Enemies.AI
{
    /// <summary>
    /// BD Action：触发攻击预警（TelegraphSystem），等待 Duration 秒后返回 Success。
    /// 对应架构 07_EnemyModule §8 BD_TelegraphAttack；与 TelegraphSystem 协作。
    /// </summary>
    [TaskName("Telegraph Attack")]
    [TaskCategory("BaseGames/Enemy/Combat")]
    [TaskDescription("播放攻击前摇动画并等待结束后返回 Success")]
    public class BD_TelegraphAttack : Action
    {
        [SerializeField] private float  m_Duration = 1f;
        [SerializeField] private string m_VfxKey   = "";

        private TelegraphSystem _telegraph;
        private float           _elapsed;
        private Coroutine       _telegraphCoroutine;

        public override void OnAwake() => _telegraph = GetComponent<TelegraphSystem>();

        public override void OnStart()
        {
            _elapsed            = 0f;
            _telegraphCoroutine = null;

            if (_telegraph != null && !string.IsNullOrEmpty(m_VfxKey))
            {
                _telegraphCoroutine = _telegraph.StartCoroutine(
                    _telegraph.ShowTelegraph(m_VfxKey, m_Duration, transform.position));
            }
        }

        public override TaskStatus OnUpdate()
        {
            _elapsed += Time.deltaTime;
            return _elapsed >= m_Duration ? TaskStatus.Success : TaskStatus.Running;
        }

        public override void OnEnd()
        {
            // BD 任务被 Abort 时停止仍在播放的预警协程，避免孤立 VFX
            if (_telegraphCoroutine != null)
            {
                _telegraph?.StopCoroutine(_telegraphCoroutine);
                _telegraphCoroutine = null;
            }
        }
    }
}
#endif