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

namespace BaseGames.Enemies.Abilities
{
    /// <summary>
    /// 多段砸地能力：起手 → 循环砸地（N次，带 HitBox 激活）→ 收招。
    /// 支持霸体（ABL SO 配置 interruptOnHurt=false），后摇时间可配置。
    /// 可复用于任何多段地面攻击型敌人。
    /// </summary>
    public class RepeatSlamAbility : EnemyAbilityBase
    {
        [Header("动画")]
        [SerializeField] private ClipTransition _startClip;
        [SerializeField] private ClipTransition _loopClip;
        [SerializeField] private ClipTransition _endClip;

        [Header("打击")]
        [SerializeField] private HitBox _hitBox;

        [Header("行为配置")]
        [Tooltip("每次砸地时 HitBox 激活时长（秒）")]
        [SerializeField] private float _hitActiveTime = 0.15f;
        [Tooltip("砸地次数")]
        [SerializeField] private int _slamCount = 2;
        [Tooltip("最后一次砸地收招后额外等待时间（秒）")]
        [SerializeField] private float _staggerDuration = 1.2f;

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

            if (_startClip.Clip != null)
            {
                _animancer.Play(_startClip);
                yield return EnemyAbilityWaits.Get(_startClip.Clip.length);
            }

            for (int i = 0; i < _slamCount; i++)
            {
                if (_loopClip.Clip != null)
                {
                    _animancer.Play(_loopClip);
                    float preHit = Mathf.Max(0f, _loopClip.Clip.length - _hitActiveTime - 0.05f);
                    yield return EnemyAbilityWaits.Get(preHit);
                }

                var dmgSrc = _config?.attackSequence?.Length > 0 ? _config.attackSequence[0].damageSource : null;
                _hitBox?.Activate(dmgSrc, _transform);
                yield return EnemyAbilityWaits.Get(_hitActiveTime);
                _hitBox?.Deactivate();

                if (i < _slamCount - 1)
                    yield return EnemyAbilityWaits.Get(0.1f);
            }

            if (_endClip.Clip != null)
            {
                _animancer.Play(_endClip);
                yield return EnemyAbilityWaits.Get(_endClip.Clip.length + _staggerDuration);
            }
            else
            {
                yield return EnemyAbilityWaits.Get(_staggerDuration);
            }
        }

        protected override void OnInterrupted(InterruptReason reason)
        {
            _hitBox?.Deactivate();
        }
    }
}