using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AddressableAssets;
using BaseGames.Combat;

namespace BaseGames.VFX
{
    /// <summary>
    /// VFX 资产映射字典：HitFxType → VFX Prefab Addressable 引用。
    /// 在 GameManager.OnGameplayStarted 中调用 Initialize() 建立快速查表。
    /// 资产路径：Assets/ScriptableObjects/VFX/VFX_Catalog.asset
    /// </summary>
    [CreateAssetMenu(menuName = "VFX/VFXCatalog")]
    public class VFXCatalogSO : ScriptableObject
    {
        [Header("命中特效映射")]
        public VFXEntry[] hitEffects;

        [Header("预热配置")]
        public VFXWarmupEntry[] warmups;

        private Dictionary<HitFxType, AssetReferenceGameObject> _map;

        /// <summary>建立快速查表字典。在 Gameplay 开始前调用一次。</summary>
        public void Initialize()
        {
            _map = new Dictionary<HitFxType, AssetReferenceGameObject>();
            if (hitEffects == null) return;
            foreach (var e in hitEffects)
                _map[e.type] = e.vfxRef;
        }

        /// <summary>根据 HitFxType 查找对应 VFX Prefab 引用。调用前必须先调用 Initialize()。</summary>
        public bool TryGetHitFX(HitFxType type, out AssetReferenceGameObject vfxRef)
        {
            Debug.Assert(_map != null, "[VFXCatalogSO] TryGetHitFX 被调用前必须先调用 Initialize()。");
            return _map.TryGetValue(type, out vfxRef);
        }
    }

    [Serializable]
    public struct VFXEntry
    {
        public HitFxType                 type;
        public AssetReferenceGameObject  vfxRef;
    }

    [Serializable]
    public struct VFXWarmupEntry
    {
        public AssetReferenceGameObject  vfxRef;
        [Min(1)] public int              warmupCount;
    }
}