using System.Collections;
using Animancer;
using UnityEngine;

namespace BaseGames.Enemies.Abilities
{
    /// <summary>
    /// 循环追击 + 体接触伤害能力。
    /// 追击期间每帧更新 MoveTo，失去感知后收招退出并恢复巡逻状态。
    /// 可复用于任何需要"追击+接触伤害循环"的敌人。
    /// </summary>
    public class ContactChaseAbility : EnemyAbilityBase
    {
        [Header("动画")]
        [SerializeField] private ClipTransition _loopClip;
        [SerializeField] private ClipTransition _endClip;

        [Header("感知与接触伤害")]
        [SerializeField] private BodyContactDamage _contactDamage;

        [Tooltip("用于追击感知判断的传感器槽位名，通常为 \"aggro\"")]
        [SerializeField] private string _aggroSlotName = "aggro";

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

            if (_loopClip.Clip != null)
                _animancer.Play(_loopClip);

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

            while (true)
            {
                if (_enemy.PlayerTransform == null) break;
                if (_enemy.SensorHub != null && !_enemy.SensorHub.IsDetecting(_aggroSlotName, _enemy.PlayerTransform.gameObject))
                    break;
                _enemy.MoveTo(_enemy.PlayerTransform.position);
                yield return null;
            }

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

            _enemy.StopMovement();

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

            _enemy.SetAiPhase(AiPhase.Patrol);
        }

        protected override void OnInterrupted(InterruptReason reason)
        {
            if (_contactDamage != null)
                _contactDamage.enabled = false;
        }
    }
}