using UnityEngine;
using BaseGames.Core.Events;
using BaseGames.Combat;

namespace BaseGames.Audio
{
    /// <summary>
    /// 订阅战斗/死亡事件，通过 AudioManager 播放对应 SFX。
    /// 挂载在 Persistent 场景的 [Systems] GameObject 上。
    /// </summary>
    public class CombatSFXController : MonoBehaviour
    {
        [Header("Event Channels")]
        [SerializeField] private HitConfirmedEventChannelSO _onHitConfirmed;
        [SerializeField] private VoidEventChannelSO         _onPlayerDied;

        [Header("Default Hit SFX")]
        [SerializeField] private AudioClip _defaultHitSFX;

        [Header("Per-Type Hit SFX (optional, overrides default)")]
        [SerializeField] private AudioClip _sparkHitSFX;
        [SerializeField] private AudioClip _slashHitSFX;
        [SerializeField] private AudioClip _bloodHitSFX;
        [SerializeField] private AudioClip _magicHitSFX;
        [SerializeField] private AudioClip _heavyHitSFX;
        [SerializeField] private AudioClip _critHitSFX;
        [SerializeField] private AudioClip _parryHitSFX;
        [SerializeField] private AudioClip _fireHitSFX;
        [SerializeField] private AudioClip _iceHitSFX;

        [Header("Death SFX")]
        [SerializeField] private AudioClip _playerDeathSFX;

        private void OnEnable()
        {
            if (_onHitConfirmed != null)
                _onHitConfirmed.OnEventRaised += HandleHit;

            if (_onPlayerDied != null)
                _onPlayerDied.OnEventRaised += HandlePlayerDied;
        }

        private void OnDisable()
        {
            if (_onHitConfirmed != null)
                _onHitConfirmed.OnEventRaised -= HandleHit;

            if (_onPlayerDied != null)
                _onPlayerDied.OnEventRaised -= HandlePlayerDied;
        }

        private void HandleHit(HitInfo info)
        {
            AudioClip clip = ResolveHitClip(info.DamageInfo.FxType);
            if (clip == null) return;

            AudioManager.Instance.PlaySFXAtPosition(clip, info.HitPoint);
        }

        private void HandlePlayerDied()
        {
            if (_playerDeathSFX == null) return;
            AudioManager.Instance.PlaySFX(_playerDeathSFX);
        }

        private AudioClip ResolveHitClip(HitFxType fxType)
        {
            AudioClip perType = fxType switch
            {
                HitFxType.Spark  => _sparkHitSFX,
                HitFxType.Slash  => _slashHitSFX,
                HitFxType.Blood  => _bloodHitSFX,
                HitFxType.Magic  => _magicHitSFX,
                HitFxType.Heavy  => _heavyHitSFX,
                HitFxType.Crit   => _critHitSFX,
                HitFxType.Parry  => _parryHitSFX,
                HitFxType.Fire   => _fireHitSFX,
                HitFxType.Ice    => _iceHitSFX,
                _                => null
            };

            return perType != null ? perType : _defaultHitSFX;
        }
    }
}