using System.Collections;
using Animancer;
using BaseGames.Combat;
using UnityEngine;

namespace BaseGames.Enemies.Abilities
{
    /// <summary>
    /// 天花板三段攻击能力：出击 → 脆弱悬挂窗口 → 收回。
    /// 悬挂阶段（_loopClip）为脆弱窗口：HurtBox 激活，等待 _hangDuration 后结束。
    /// 可复用于任何固定位置的天花板攻击型敌人。
    /// </summary>
    public class CeilingHangStrikeAbility : EnemyAbilityBase
    {
        [Header("动画")]
        [SerializeField] private ClipTransition _strikeClip;
        [SerializeField] private ClipTransition _loopClip;
        [SerializeField] private ClipTransition _endClip;

        [Header("碰撞")]
        [SerializeField] private HitBox  _attackHitBox;
        [SerializeField] private HurtBox _hurtBox;

        [Header("行为")]
        [Tooltip("脆弱悬挂窗口持续时间（秒）")]
        [SerializeField] private float _hangDuration = 2f;

        protected override IEnumerator ExecuteCoroutine()
        {
            Phase = AbilityRunState.Active;

            // 出击阶段：播放攻击动画并激活 HitBox
            if (_strikeClip.Clip != null)
            {
                _animancer.Play(_strikeClip);
                var dmgSrc = _config?.attackSequence?.Length > 0 ? _config.attackSequence[0].damageSource : null;
                _attackHitBox?.Activate(dmgSrc, _transform);
                yield return EnemyAbilityWaits.Get(_strikeClip.Clip.length);
            }
            _attackHitBox?.Deactivate();

            // 脆弱悬挂阶段：HurtBox 激活为玩家反击窗口
            if (_loopClip.Clip != null)
                _animancer.Play(_loopClip);

            if (_hurtBox != null)
                _hurtBox.enabled = true;

            yield return EnemyAbilityWaits.Get(_hangDuration);

            if (_hurtBox != null)
                _hurtBox.enabled = false;

            // 收回阶段
            if (_endClip.Clip != null)
            {
                _animancer.Play(_endClip);
                yield return EnemyAbilityWaits.Get(_endClip.Clip.length);
            }
        }

        protected override void OnInterrupted(InterruptReason reason)
        {
            _attackHitBox?.Deactivate();
            if (_hurtBox != null)
                _hurtBox.enabled = false;
        }
    }
}