using System;
using System.IO;
using System.ServiceProcess;
using System.Threading;
using Vinno.FIS.Sonopost.Common;

namespace Vinno.FIS.Sonopost.Service
{
    public partial class SonopostService : ServiceBase
    {
        private string _sonopostPath;
        private ProcessKeepHelper _keepHelper;

        public SonopostService()
        {
            InitializeComponent();
        }

        protected override void OnStart(string[] args)
        {
            try
            {
                Thread.Sleep(2000);
                try
                {
                    ProcessHelper.FinishProcessByName("Vinno.FIS.Sonopost.Upgrade");
                    ProcessHelper.FinishProcessByName("Sonopost");
                    ProcessHelper.FinishProcessByName("Vinno.FIS.Sonopost.TRTCClient");
                }
                catch (Exception e)
                {
                    WriteLog(e.ToString());
                }
                _sonopostPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Sonopost.exe");
                var processId = ProcessHelper.StartProcess(_sonopostPath);

                _keepHelper = new ProcessKeepHelper(processId);
                _keepHelper.StartKeepProcess(() =>
                {
                    return ProcessHelper.StartProcess(_sonopostPath);
                });
            }
            catch (Exception e)
            {
                WriteLog(e.ToString());
            }
        }

        protected override void OnStop()
        {
            _keepHelper?.StopKeepProcess();
            base.OnStop();
        }

        private void WriteLog(string msg)
        {
            var path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "SonopostServiceLog.log");
            File.AppendAllText(path, msg);
        }
    }
}