using System.Collections.Generic;
using DotRecast.Core.Collections;
using JNGame.Sync.Entity;
using JNGame.Sync.Frame.Entity.Components;
using JNGame.Sync.State.Tile;
using JNGame.Sync.State.Tile.Entity;

namespace JNGame.Sync.System.Data
{

    public abstract class ISTileData : ISStateData
    {
        public abstract bool IsHost { get; }
    }
    
    /// <summary>
    /// 支持区块的数据类
    /// </summary>
    public abstract class STileDataSystem<T,E> : SStateDataSystem<T> where T : ISTileData,new() where E : JNTileEntity, new()
    {

        public abstract JNTileContext<E> NodeContext { get; }

        protected STileDataSystem(SStateDataEnum type) : base(type)
        {
        }
        
        public override void OnUByteUpdate(Dictionary<long, byte[]> bytes)
        {
            base.OnUByteUpdate(bytes);
            if (isServer)
            {
                OnDataSyncContext();
            }
        }
        
        /// <summary>
        /// 将数据Data同步到Context
        /// </summary>
        protected virtual void OnDataSyncContext()
        {
            
            var lIsTileData = new Dictionary<long, T>(Data);
            
            NodeContext.GetEntities().ForEach(child =>
            {
                //如果有则删除
                if (lIsTileData.Remove(child.Id,out var data))
                {
                    //同步不属于自己的实体
                    if (!child.IsHost)
                    {
                        //并且同步属性到实体中
                        child.TileSyncData(data);
                    }
                }
            });
            
            //将数据同步到实体中
            foreach (var keyValue in lIsTileData)
            {
                var entity = NodeContext.TileSyncCreate(keyValue.Key);
                entity.TileSyncData(keyValue.Value);
            }

        }
        
        //只更新有权限的实体
        public override void Update(T data)
        {
            if (!data.IsHost) return;
            base.Update(data);
        }
        public override void Add(T data)
        {
            if (!data.IsHost) return;
            base.Add(data);
        }
    }
    
}