using MqttMsgServer.Model;
using MqttMsgServer.Service.Client;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace MqttMsgServer.Service
{
    public class ThreadMsg : IDisposable
    {
        public static Queue<ReceiveMessageRecord> Msgs;
        Thread _thread = null;
        static ThreadMsg _ThreadReceiveMsg = null;
    
        public static ThreadMsg ThreadReceiveMsg => _ThreadReceiveMsg ?? (_ThreadReceiveMsg = new ThreadMsg());

        public ThreadMsg()
        {
            if (Msgs != null) return;
            Msgs = new Queue<ReceiveMessageRecord>();
            _thread = new Thread(Work);
            _thread.Start();
        }

        private void Work()
        {
            while (true)
            {
                if (Msgs.Count > 0)
                {
                    ReceiveMessageRecord mr = null;
                    lock (Msgs)
                    {
                        mr = Msgs.Dequeue();
                    }

                    if (mr != null)
                    {
                        try
                        {
                            ClientInfoService cs = new ClientInfoService();
                            cs.WriteData(mr);
                        }
                        catch (Exception err)
                        {
                            Console.WriteLine(err);
                        }
                        
                    }
                }
                Thread.Sleep(1);
            }
            // ReSharper disable once FunctionNeverReturns
        }

        public void Insert(ReceiveMessageRecord pm)
        {
            if (pm != null)
            {
                lock (Msgs)
                {
                    Msgs.Enqueue(pm);
                }
            }
        }
        public void Dispose()
        {
            throw new NotImplementedException();
        }
    }
}