using Cksoft.Data;
using Cksoft.Data.Repository;
using Cksoft.Unity;
using DllEapDal;
using DllEapEntity;
using DllHsms;
using Microsoft.Extensions.Logging;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace DllLogServer
{
    public class LogServer:ILogServer
    {
        private ILogger loger = null;
        private long CurrCount = 0;
        private IModel CurrQueueChannel = null;
        private string CurrRecQueueName = "hello";//接收队列名称 hsmsreceive+机台编号
        private List<ServerInfo> CurrInfo = new List<ServerInfo>();//记录错误信息
        private int CurrStatus = -1;//未启动状态
        private string CurrFileDir="";//日志文件主路径
        public string CurrShareFileDir = "";
        public LogServer(ILogger<LogServer> loger)
        {
            this.loger = loger;
        }
        //开始接收队列线程
        public int StartRecQueue(ref string errorinfo)
        {
            try
            {
                //注册通道
                CurrQueueChannel = RegeditChannel(ref errorinfo);
                if (CurrQueueChannel == null)
                {
                    errorinfo = "注册队列通道发生错误，错误信息为：" + errorinfo;
                    return -1;
                }
                //清空接收队列
                //int result = ClearRecQueue(ref errorinfo);
                //if (result < 0)
                //{
                //    errorinfo = "清空接收队列发生错误，错误信息为：" + errorinfo;
                //    return -1;
                //}

                CurrQueueChannel.QueueDeclare(CurrRecQueueName, false, false, false, null);
                //BasicQos函数是针对通道的，必须放在注册消费者前执行，否则注册的消费者会接受多条信息
                CurrQueueChannel.BasicQos(0, 1, false);
                var consumer = new EventingBasicConsumer(CurrQueueChannel);
                CurrQueueChannel.BasicConsume(queue: CurrRecQueueName,
                                     autoAck: false,   //是否不要手动应答(no manual Ack)，ture自动应答，自动删除处理消息；false手动应答，服务器的消息会等待应答结果才消除
                                     consumer: consumer);
                consumer.Received += QueueReceive;
                return 1;
            }
            catch (Exception ex)
            {
                errorinfo = ex.Message.ToString();
                return -1;
            }
        }
        //注册通道
        private IModel RegeditChannel(ref string errorinfo)
        {
            try
            {
                var factory = new ConnectionFactory();
                factory.HostName = AppConfigurtaionServices.Configuration["rabbitmq:IPAddress"];
                factory.UserName = AppConfigurtaionServices.Configuration["rabbitmq:UserName"];
                factory.Password = AppConfigurtaionServices.Configuration["rabbitmq:Password"];
                factory.VirtualHost = AppConfigurtaionServices.Configuration["rabbitmq:VirtualHost"];
                var connection = factory.CreateConnection();
                var channel = connection.CreateModel();
                CurrShareFileDir = AppConfigurtaionServices.Configuration["ShareFileDir"];
                return channel;
            }
            catch (Exception ex)
            {
                errorinfo = ex.Message.ToString();
                return null;
            }
        }
        private int ClearRecQueue(ref string errorinfo)
        {
            try
            {
                CurrQueueChannel.QueueDelete(CurrRecQueueName, true, false);
                return 1;
            }
            catch (Exception ex)
            {
                errorinfo = ex.Message.ToString();
                return -1;
            }
        }
        private void QueueReceive(object model, BasicDeliverEventArgs ea)
        {
            CurrCount++;
            string errorinfo = "";
            int result = WriteLog(ea.Body, ref errorinfo);
            if (result <= 0)
            {
                //写本地日志
                SetText(errorinfo);
            }
            CurrQueueChannel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
        }
        private int WriteLog(byte[] datas, ref string errorinfo)
        {
            try
            {
                HsmsLog log = EntityHelper.DeSerializeBytes<HsmsLog>(datas);
                int result = log.RecoverData(CurrShareFileDir, ref errorinfo);
                if (result <= 0)
                    return -1;
                int ftype = log.FType;// int.Parse(row["ftype"].ToString());
                int mcaid = log.MacID;// int.Parse(row["mcaid"].ToString());
                string logstr = log.Log;// row["log"].ToString();
                string fcode = log.MacCode;// row["fcode"].ToString();
                Block orgblock = log.OrgBlock;//通讯块
               if(orgblock!=null&&orgblock.AllLen>1000)
                {
                    int aaa = 100;
                }
                if (orgblock != null)
                {
                    //如果是测试指令，则不记录日志
                    if (orgblock.GetBlockS(ref errorinfo) == 0)
                        return 1;
                    // UpdateVersion(orgblock, mcaid);
                }
                DateTime occurtime = log.OccurTime;//发生时间
                string filename = GetLogFile(mcaid, fcode, ref errorinfo);
                if (filename == "")
                    return -1;
                
                logstr = $"发生时间：{occurtime.ToString("yyyy-MM-dd HH:mm:ss.fff")}   机台ID：{mcaid}  机台编号：{fcode}   机台IP：{log.macOrder.IPAddress} 信息：{logstr}";
                FileStream fs;
                StreamWriter sw;
                if (File.Exists(filename))
                {
                    //验证文件是否存在，有则追加，无则创建
                    fs = new FileStream(filename, FileMode.Append, FileAccess.Write);
                }
                else
                {
                    fs = new FileStream(filename, FileMode.Create, FileAccess.Write);
                }
                sw = new StreamWriter(fs);
                sw.WriteLine(logstr);
                if (orgblock != null)
                {
                    //打印指令数据
                    logstr = orgblock.GetLog(log.Log);
                    sw.WriteLine(logstr);
                }
                sw.Close();
                fs.Close();
                return 1;
            }
            catch (Exception ex)
            {
                errorinfo = ex.Message.ToString();
                return -1;
            }
        }
        private void UpdateVersion(Block orgblock,int macid)
        {
            IDatabase db = null;
            try
            {
                
                string errorinfo = "";
                int s = orgblock.GetBlockS(ref errorinfo);
                int f = orgblock.GetBlockF(ref errorinfo);
                if (!(s == 1 && f == 2))
                    return;
                List<OrderData> datas = orgblock.GetOrderData(ref errorinfo);
                OrderData l = datas.Where(t => t.ParentID == 0).FirstOrDefault();
                List<OrderData> tempdatas = datas.Where(t => t.ParentID == l.ID).OrderBy(t => t.FNum).ToList();
                db = DbFactory.Base("eap");
                Machine mac = db.FindEntity<Machine>(macid);
                if (mac.FVersion == tempdatas[1].FContent)
                {
                    return;
                }
                db.BeginTrans();
                mac.FName = tempdatas[0].FContent;
                mac.FVersion = tempdatas[1].FContent;
                db.UpdateFor<Machine>(mac, "");
                db.Commit();
            }
            catch(Exception ex)
            {
                loger.LogError(ex.ToString());
            }
            finally
            {
                if (db != null)
                    db.Close();
            }
        }
        private string GetLogFile(int mcaid, string code, ref string errorinfo)
        {
            try
            {
                //每天1个日志
                string sFilePath = $"{CurrFileDir}{Path.DirectorySeparatorChar}log{DateTime.Now.ToString("yyyyMMdd")}";// CurrFileDir + "log" + DateTime.Now.ToString("yyyyMMdd");
                string sFileName = $"{code}_{mcaid}.log";
                sFileName = sFilePath + Path.DirectorySeparatorChar + sFileName; //文件的绝对路径
                if (!Directory.Exists(sFilePath))//验证路径是否存在
                {
                    Directory.CreateDirectory(sFilePath);
                    //不存在则创建
                }
                return sFileName;
            }
            catch (Exception ex)
            {
                errorinfo = ex.Message.ToString();
                return "";
            }
        }
        public void SetText(string str)
        {
            this.loger.LogError(str);

            if (CurrInfo.Count > 100)
                CurrInfo.Clear();

            int id = 1;
            if (CurrInfo.Count > 0)
            {
                id = CurrInfo.Max(t => t.ID);
                id++;
            }
            ServerInfo entity = new ServerInfo();
            entity.ID = id;
            entity.Info = str;
            CurrInfo.Add(entity);
        }
        public int Start(ref string errorinfo)
        {
            try
            {
                CurrStatus = -1;
                CurrRecQueueName = AppConfigurtaionServices.Configuration["rabbitmq:mqname"];
                CurrFileDir = AppConfigurtaionServices.Configuration["FileDir"];
                int result = StartRecQueue(ref errorinfo);
                if (result < 0)
                {
                    errorinfo = $"启动失败，错误信息为：{errorinfo}";
                    SetText(errorinfo);
                    return -1;
                }
                CurrStatus = 1;
                SetText("启动成功。");
                return 1;
            }
            catch (Exception ex)
            {
                errorinfo = ex.Message.ToString();
                SetText(errorinfo);
                return -1;
            }
        }
        public long GetAccount()
        {
            return CurrCount;
        }
        public int GetStatus(ref string errorinfo)
        {
            if (CurrStatus <= 0 && CurrInfo.Count > 0)
            {
                errorinfo = CurrInfo.Last().Info;
            }
            return CurrStatus;
        }
        public List<ServerInfo> GetInfo()
        {
            return CurrInfo;
        }
        public int Stop(ref string errorinfo)
        {
            try
            {
                CurrStatus = -1;
                if (CurrQueueChannel != null)
                    CurrQueueChannel.Close();
                SetText("停止服务成功。");
                return 1;
            }
            catch (Exception ex)
            {
                SetText(ex.Message.ToString());
                return -1;
            }
        }
    }
}