using log4net;
using log4net.Config;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.ServiceProcess;
using SuperSocket.SocketEngine;
using POSV.Service;
using POSV.WindowsService.Core.Utils;
using POSV.WindowsService.Logging;
using System.Data.SQLite;

namespace POSV.WindowsService
{
    static class Program
    {
        private static NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();

        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        static void Main(string[] args)
        {
            //数据库去密码
            try
            {
                ChangePwd("");
                NLog.LogManager.GetCurrentClassLogger().Info("sqliteNoP success");
            }
            catch (Exception)
            {
                NLog.LogManager.GetCurrentClassLogger().Info("sqliteNoP error, already success!");
            }

            //初始化配置参数
            Global.Instance.InitConfig();

            //启动定时任务
            JobUtils.Startup();
                 
            var server = new MessagingServer();

            if (System.Environment.UserInteractive)
            {
                string parameter = string.Concat(args);
                switch (parameter)
                {
                    case "--install":
                        ServiceHelper.InstallWindowsService();
                        break;
                    case "--uninstall":
                        ServiceHelper.UninstallWindowsService();
                        break;
                    case "--start":
                        ServiceHelper.StartService();
                        break;
                    case "--stop":
                        ServiceHelper.StopService();
                        break;
                    case "--console":
                    default:
                        {
                            server.DebugStartServer();

                            Console.ReadKey();

                            server.DebugStopServer();
                            
                        }
                        break;
                }
            }
            else
            {
                ServiceBase[] ServicesToRun;
                ServicesToRun = new ServiceBase[]{server};
                ServiceBase.Run(ServicesToRun);
            }
            //关闭计划任务
            JobUtils.Stop();
            NLog.LogManager.GetCurrentClassLogger().Info("关闭计划任务");
            
        }

        public static void ChangePwd(string pwd)
        {
            SQLiteConnectionStringBuilder builder = new SQLiteConnectionStringBuilder();
            builder.DataSource = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"data\msc.s3db");
            builder.Password = "passwd";
            builder.Version = 3;
            builder.CacheSize = 10000;
            builder.DefaultTimeout = 5000;
            builder.PageSize = 4096;
            builder.FailIfMissing = true;
            builder.Pooling = true;
            builder.DefaultIsolationLevel = System.Data.IsolationLevel.ReadCommitted;
            builder.SyncMode = SynchronizationModes.Off;
            builder.JournalMode = SQLiteJournalModeEnum.Truncate;
            builder.UseUTF16Encoding = false;

            using (SQLiteConnection connection = new SQLiteConnection(builder.ToString()))
            {
                try
                {
                    connection.Open();
                    connection.ChangePassword(pwd);
                }
                catch (SQLiteException ex)
                {
                    throw new Exception(ex.Message);
                }
                finally
                {
                    connection.Close();
                }
            }
        }
    }
}