using System;
using System.Collections.Generic;
using System.Net.Sockets;
using System.Threading.Tasks;
using AppGame.Sync;
using Cysharp.Threading.Tasks;
using DotRecast.Core.Collections;
using Google.Protobuf;
using JNGame.Network;
using JNGame.Sync.System;
using JNGame.Sync.System.Data;
using Plugins.JNGame.Network;
using Plugins.JNGame.Network.Action;

namespace AppGame.Systems
{
    public class JNGServer : JNTCPServer
    {
        
        private int _index = 1;

        private bool isInit = false;
        
        //客户端绑定的Id
        private Dictionary<string, int> ids = new();
        
        public override async Task OnInit()
        {
            if (isInit) return;
            isInit = true;
            //监听服务端事件
            AddListener((int)NActionEnum.NSyncFrameInput,OnNSyncFrameInput);
            AddListener((int)NActionEnum.NSyncTileInput,OnNSyncTileInput);
            AddListener((int)NActionEnum.NSyncTileAllUpdate,OnNSyncTileAllUpdate);
            AddListener((int)NActionEnum.NSyncTileGetTileInfo,OnNSyncTileGetTileInfo);
            AddListener((int)GActionEnum.BindClientID,OnBindClientID);
            
            //连接
            await base.OnInit();
        }

        public override void OnClose()
        {
            isInit = false;
            base.OnClose();
        }

        protected override async UniTask<int> GetPort()
        {
            return (await App.GAPI.NSyncTilePort).data;
        }


        /// <summary>
        /// 绑定客户端Id
        /// </summary>
        /// <param name="obj"></param>
        /// <exception cref="NotImplementedException"></exception>
        private void OnBindClientID(JNServerParam args)
        {
            var message = RClientIDMessage.Parser.ParseFrom(args.Message);
            ids[args.Client] = message.ClientId;
        }
        
        /// <summary>
        /// 接收帧数入
        /// </summary>
        /// <param name="args"></param>
        private void OnNSyncFrameInput(JNServerParam args)
        {
            var inputs = JNFrameInputs.Parser.ParseFrom(args.Message);
            var frame = new JNFrameInfo();
            frame.Index = 0;
            foreach (var input in inputs.Inputs)
            {
                frame.Messages.Add(input); 
            }
            App.Game.AddInput(frame);
        }

        /// <summary>
        /// 接收瓦片输入
        /// </summary>
        /// <param name="args"></param>
        private void OnNSyncTileInput(JNServerParam args)
        {
            var inputs = JNStateTileInputs.Parser.ParseFrom(args.Message);
            //只有绑定过ID 的客户端才可以执行操作
            if (!ids.ContainsKey(args.Client)) return;
            inputs.Message.Inputs.ForEach(child =>
            {
                child.ClientId = ids[args.Client];
            });
            App.Game.AddTileInput(inputs);
        }

        /// <summary>
        /// 返回全量信息
        /// </summary>
        private void OnNSyncTileAllUpdate(JNServerParam args)
        {

            if (App.Game.Server is not JNGTileServerSystem tileServer) return;

            var allData = new JNStateTileAllData();

            allData.TId = tileServer.TID;
            allData.Data = new JNStateAllData();
            
            tileServer.GetSystems<ISTileDataSystem>().ForEach(data =>
            {
                
                var item = new JNStateItemData();
                allData.Data.Data.Add(item);

                item.NetID = ((ISStateDataSystem)data).NetID;
                data.GetHostDataBytes().ForEach(keyValue =>
                {
                    item.Messages[keyValue.Key] = new JNStateData() { Data = ByteString.CopyFrom(keyValue.Value) };
                });
                
            });
            
            Send(args.Client, (int)NActionEnum.NSyncTileAllUpdateBack,allData);
            
        }

        /// <summary>
        /// 获取指定区块的全量信息
        /// </summary>
        private void OnNSyncTileGetTileInfo(JNServerParam args)
        {
            
            if (App.Game.Server is not JNGTileServerSystem tileServer) return;

            var tileSpecify = NSyncTileGetTileInfoRequest.Parser.ParseFrom(args.Message);

            var allData = new JNStateTileAllData();

            allData.TId = tileServer.TID;
            allData.Data = new JNStateAllData();
            
            tileServer.GetSystems<ISTileDataSystem>().ForEach(data =>
            {
                
                var item = new JNStateItemData();
                allData.Data.Data.Add(item);

                item.NetID = ((ISStateDataSystem)data).NetID;
                data.GetTileDataBytes(tileSpecify.TId).ForEach(keyValue =>
                {
                    item.Messages[keyValue.Key] = new JNStateData() { Data = ByteString.CopyFrom(keyValue.Value) };
                });
                
            });
            
            //返回消息
            SendCallback(args.Client,args.MessageID,allData);

        }
        
        
    }
}