//using System;
//using System.Collections.Generic;
//using System.Linq;
//using System.Text;
//using System.Threading.Tasks;
//using Amazon.DynamoDBv2.DocumentModel;
//using Newtonsoft.Json;

//namespace ServerCommon.DB
//{
//    public class BuildingAttr
//    {
//        public string Owner = string.Empty;
//        public string Name = string.Empty;
//        public string Description = string.Empty;
//        public Dictionary<int, int> FloorInfo = new Dictionary<int, int>();
//        public Dictionary<string, AnchorProp> PropInfo = new();
//    }

//    public class BuildingEntity
//    {
//        public int PK_Id { get; private set; } = 0;
//        public int SK_Id { get; private set; } = 0;
//        public BuildingAttr Attr { get; private set; } = new();
        
//        public BuildingEntity(Document document)
//        {
//            ReadFrom(document);
//        }

//        void ReadFrom(Document document)
//        {
//            if (!int.TryParse(document["PK"].AsString().Replace(MainDB.GetPKPrefix(EEntityType.Building), ""), out var pk))
//                throw new Exception("PK int.TryParse error");

//            if (!int.TryParse(document["SK"].AsString().Replace(MainDB.GetSKPrefix(EEntityType.Building), ""), out var sk))
//                throw new Exception("SK int.TryParse error");

//            BuildingAttr? attr = JsonConvert.DeserializeObject<BuildingAttr>(document["Attr"].AsString());
//            if (attr == null)
//                throw new Exception("Attr DeserializeObject error");
            
//            Attr = attr;
//        }

//        public Document DocumentForUpdate()
//        {
//            var document = new Document();
//            document["PK"] = MainDB.MakePK(EEntityType.Building, PK_Id.ToString());
//            document["SK"] = MainDB.MakeSK(EEntityType.Building, SK_Id.ToString());
//            document["Attr"] = JsonConvert.SerializeObject(Attr);
//            return document;
//        }
//    }
//}