using System.Collections.Generic;

namespace cfg
{
    public partial class EventSmashMain
    {
        private Dictionary<int, string> _collectionIconMap;

        /// <summary>
        /// collectionId → CollectionIcon 中对应的图标资源名
        /// 通过 DataList 和 CollectionIcon 的索引对齐建立映射
        /// </summary>
        public string GetCollectionIcon(TbEventSmashCollection tbCollection, int collectionId)
        {
            if (_collectionIconMap == null)
            {
                _collectionIconMap = new Dictionary<int, string>();
                var dataList = tbCollection.DataList;
                for (int i = 0; i < dataList.Count && i < CollectionIcon.Count; i++)
                {
                    _collectionIconMap[dataList[i].ID] = CollectionIcon[i];
                }
            }

            return _collectionIconMap.TryGetValue(collectionId, out var icon) ? icon : null;
        }
    }
}