using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Threading;

namespace PEP_Tool
{
    class Tracker
    {
        static DispatcherTimer timer = new DispatcherTimer();
        //public double time = 0;
        static string client = "";
        public static double time { get; set; }
        private static int count = 0;

        public static async void Init_Track()
        {
            client = await Crypto.EncryptString(Environment.MachineName);
            time = await Reader.ReadTime(await Reader.ReadTimeJSON());
            SaveTrack(true);

            timer.Interval = TimeSpan.FromSeconds(1);
            timer.Tick += Timer_Tick;

            timer.Start();
        }

        private static void Timer_Tick(object sender, EventArgs e)
        {
            //var t = time.Item1;
            time += 1;
            count++;
            if(count >= 30)
            {
                SaveTrack(true);
                count = 0;
            }
        }


        public static async Task SaveTrack(bool Online)
        {
            var r = new Random();
            await Task.Delay(r.Next(10, 200));

            var save = await Reader.ReadTimeJSON()
#if DEBUG 
                    ?? new Dictionary<string, Tuple<double, bool, string>>();
#endif
            //var save = ;


            if (save != null)
            //save = new Dictionary<string, Tuple<double, bool, string>>();
            {
                if (save.ContainsKey(client))
                    save[client] = new Tuple<double, bool, string>(time, Online, Properties.Settings.Default.Version);
                else save.Add(client, new Tuple<double, bool, string>(time, Online, Properties.Settings.Default.Version));

                if (client == "") return;

                try
                {
                    var json = Newtonsoft.Json.JsonConvert.SerializeObject(save);
                    //json = await Crypto.EncryptString(json);
                    byte[] jsonB = new UTF8Encoding(true).GetBytes(json);


                    using (var fs = await Writer.WaitForFile(@"\\bku.db.de\db\DB_006\GLW_11\ICE-Fertigung\M2\Personaleinsatzplanung\Log\Track.json", System.IO.FileMode.Open, System.IO.FileAccess.Write, System.IO.FileShare.Read))//Write | System.IO.FileShare.Delete
                    {
                        if (fs != null)
                        {
                            fs.SetLength(0);
                            await fs.WriteAsync(jsonB, 0, jsonB.Length);
                        }
                        else fs.Dispose();
                    }
                }
                catch (Exception ex)
                {
                    LogFile.WriteLine(ex);
                }
            }
        }
    }
}