using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Security.Cryptography.X509Certificates;
using uPLibrary.Networking.M2Mqtt;
using uPLibrary.Networking.M2Mqtt.Messages;
using System.Net.Security;
using Newtonsoft.Json;
using System.IO;

namespace FangYar.FYMQTT
{
    public class MQTT2
    {
        MqttClient client;
        string brokerHostName = "8.142.30.104";
        int brokerPort = 1883;
        public string clientId = null;
        string username = "smartcamp";
        string password = "smartcamp";
        byte[] qosLevels = { MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE };
        public MQTT2()
        {
            clientId = Guid.NewGuid().ToString();
            connect();
        }
        public MQTT2(string cid)
        {
            clientId = cid;
            //connect();
        }
        #region MQTT

        /// <summary>
        /// 连接MQTT
        /// </summary>
        public void connect()
        {
            try
            {
                //创建客户端实例 
                if (client == null)
                {
                    client = new MqttClient(brokerHostName,
                                               brokerPort,
                                               false, // 开启TLS
                                               MqttSslProtocols.TLSv1_0, // TLS版本
                                               null,
                                               null
                                              );
                    //消息接受
                    //client.MqttMsgPublishReceived += messageReceive;
                    //消息发送完成
                    //client.MqttMsgPublished += messagePublished;
                    //连接Broker
                    client.Connect(clientId, username, password, false, 60);

                }
                else if (!client.IsConnected)
                {
                    client.Connect(clientId, username, password, false, 60);

                }

            }
            catch (Exception ex)
            {

            }
        }
        /// <summary>
        /// 订阅主题
        /// </summary>
        public void Subscribe(string[] Subscribe)
        {
            try
            {
                //创建客户端实例 
                client.Subscribe(Subscribe, qosLevels);

            }
            catch (Exception ex)
            {

            }
        }
        /// <summary>
        /// 断开连接
        /// </summary>
        public void disconnect()
        {
            if (client != null && client.IsConnected)
            {
                client.Disconnect();
            }
        }

        private void messageReceive(object sender, MqttMsgPublishEventArgs e)
        {
            byte[] cv = Encoding.Convert(Encoding.UTF8, Encoding.UTF8, e.Message);
            string msg = System.Text.Encoding.UTF8.GetString(cv);

        }

        public void messagePublished(string jsonstr, string Topic)
        {
            if (client == null || !client.IsConnected)
            {
                connect();
            }

            try
            {
                byte[] byteArray = System.Text.Encoding.UTF8.GetBytes(jsonstr);
                client.Publish(Topic, byteArray, MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
            }
            catch { }


        }

        public void messagePublished2(string title, string content, string uid)
        {
            var jsonstr = "{\"Title\":\"" + title + "\",\"Type\":\"APPROVAL\",\"Content\":\"" + content + "\"}";
            FangYar.OracleDAL.TBL.SysEmpDAL dal = new OracleDAL.TBL.SysEmpDAL();
            FangYar.Model.TBL.TBL_SYS_EMP_Model model = dal.GetModelByUID(uid);
            string Topic = "XJYQ"+ model.ORG_ID + "/" + uid + "/APP/APPROVAL";
            if (client == null || !client.IsConnected)
            {
                connect();
            }

            try
            {
                byte[] byteArray = System.Text.Encoding.UTF8.GetBytes(jsonstr);
                client.Publish(Topic, byteArray, MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
            }
            catch { }


        }

        public void messagePublished(string type, string jsonstr, string Topic)
        {
            if (client == null || !client.IsConnected)
            {
                connect();
            }

            try
            {
                string str = "{\"ID\":\"" + Guid.NewGuid().ToString() + "\",\"type\":\"" + type + "\",\"data\":" + jsonstr + "}";
                byte[] byteArray = System.Text.Encoding.UTF8.GetBytes(str);
                //ushort fg = client.Publish(Topic, byteArray);
                ushort fg = client.Publish(Topic, byteArray, MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
                WriteLog(str + "MQTT:" + fg);
                //client.Disconnect();
            }
            catch (Exception ex)
            {
                //WriteLog(ex.Message);
                throw (ex);
            }
        }

        #endregion
        #region 记录日志
        /// <summary>
        /// 记录日志
        /// </summary>
        /// <param name="msg"></param>
        private void WriteLog(string msg)
        {

            //string path = @"C:\log.txt";

            //该日志文件会存在windows服务程序目录下
            string path = AppDomain.CurrentDomain.BaseDirectory + "log\\" + DateTime.Now.ToString("yyyyMMdd") + "log.txt";
            FileInfo file = new FileInfo(path);
            if (!file.Exists)
            {
                FileStream fs;
                fs = File.Create(path);
                fs.Close();
            }

            using (FileStream fs = new FileStream(path, FileMode.Append, FileAccess.Write))
            {
                using (StreamWriter sw = new StreamWriter(fs))
                {
                    sw.WriteLine(DateTime.Now.ToString() + "   " + msg);
                }
            }
        }
        private void WriteData(string msg)
        {

            //string path = @"C:\log.txt";

            //该日志文件会存在windows服务程序目录下
            string path = AppDomain.CurrentDomain.BaseDirectory + "log\\" + DateTime.Now.ToString("yyyyMMdd") + "Data.txt";
            FileInfo file = new FileInfo(path);
            if (!file.Exists)
            {
                FileStream fs;
                fs = File.Create(path);
                fs.Close();
            }

            using (FileStream fs = new FileStream(path, FileMode.Append, FileAccess.Write))
            {
                using (StreamWriter sw = new StreamWriter(fs))
                {
                    sw.WriteLine(msg);
                }
            }
        }

        #endregion
    }
}