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

namespace BaseGames.Enemies.AI
{
    /// <summary>
    /// BD Conditional：Boss HP 是否低于阈值（用于触发阶段切换）。
    /// HPThreshold 为 0~1 归一化比例（如 0.5 = HP ≤ 50%）。
    /// </summary>
    [TaskName("Is HP Below Threshold?")]
    [TaskCategory("BaseGames/Enemy/State")]
    [TaskDescription("检查当前 HP 是否低于指定百分比阈值")]
    public class BD_IsHPBelow : Conditional
    {
        [UnityEngine.Range(0f, 1f)]
        [UnityEngine.SerializeField] private float m_HPThreshold = 0.5f;

        private EnemyBase _enemy;

        public override void OnAwake() => _enemy = GetComponent<EnemyBase>();

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

            float maxHP = UnityEngine.Mathf.Max(1f, _enemy.Stats.MaxHP);
            float ratio = (float)_enemy.Stats.CurrentHP / maxHP;
            return ratio <= m_HPThreshold ? TaskStatus.Success : TaskStatus.Failure;
        }
    }
}
#endif