#region

using System;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Windows.Forms;
using CSFrameworkV5.Common;
using CSFrameworkV5.Core;

#endregion

namespace CSFrameworkV5.Library.CommonClass
{
    /// <summary>
    ///     版本检测工具类, LAST UPDATE:20211212
    /// </summary>
    public class VersionCheckNEW
    {
        //等待升级程序安全退出时间，单位毫秒。
        private const int WAIT_SECONDS = 3000;

        //系统常量定义 - 不可更改
        private const string
            Arg_CheckVersion = "CheckVersion"; // 主程序调用升级程序检查是否有版本更新

        private const string Arg_MainEXECall = "MainEXECall"; // 主程序调用升级程序   
        private const string UpgraderINIFile = "UpgraderClient.ini"; //本地升级配置文件

        private const string
            UpgraderServerINIFile = "UpgraderServer.ini"; //服务端配置文件

        //==========================================================================================
        //重要变量定义！！！！！

        //主程序文件名。主程序调用升级程序，必须修改此名称!
        private const string DEF_MAIN_PROGRAM_NAME = "CSFrameworkV5.Main.exe";

        //CSFramework商业版升级程序文件名
        private const string DEF_UPGRADER_NAME = "CSFramework.AutoUpgrader.exe";

        //CSFramework商业版升级程序 - 控制类的名字空间
        private const string DEF_UPGRADER_CONTROLLER =
            "CSFramework.AutoUpgrader.UpgraderController";

        //V5.0标配升级程序文件名
        //const string DEF_UPGRADER_NAME = "CSFrameworkV5.AutoUpgrader.exe";

        //V5.0标配升级程序控制类的名字空间
        //const string DEF_UPGRADER_CONTROLLER = "CSFramework.AutoUpgrader.Library.UpgraderController"; 

        //
        //==========================================================================================

        /// <summary>
        ///     自动升级
        /// </summary>
        public static void AutoUpgrader(ref bool exitApp)
        {
            var file = Application.StartupPath + @"\" + DEF_UPGRADER_NAME;

            //本地没有升级程序文件，不进行自我升级, UpgraderClient.exe是通过DownloaderDB下载的
            if (!File.Exists(file)) return;

            frmWaitingEx.ShowMe(null, "正在获取最新的升级程序.......");
            CheckUpgraderByDownloader();

            frmWaitingEx.ShowMe(null, "正在获取升级包.......");
            CheckVersion(ref exitApp);
        }

        /// <summary>
        ///     检查版本升级程序，有新版本自动下载
        /// </summary>
        /// <returns>True:有新版本, False:无新版本</returns>
        public static bool CheckUpgraderByDownloader()
        {
            var upgraderPath =
                Application.StartupPath + @"\" + DEF_UPGRADER_NAME;
            var serverVer = "";

            try
            {
                //获取升级程序的程序集
                var fileData = File.ReadAllBytes(upgraderPath);
                var upgrader = Assembly.Load(fileData);

                //通过.NET反射机制创建UpgraderController实例
                var t = upgrader.GetType(DEF_UPGRADER_CONTROLLER);
                var o = t.Assembly.CreateInstance(t.FullName);
                var M = t.GetMethod("DownloadUpgrader");

                //调用DownloadUpgrader方法
                //参数名：destPath，传值：upgraderPath==Application.StartupPath                                
                var r = M.Invoke(o, new object[] { upgraderPath });

                serverVer = r.ToStringEx();
                if (serverVer != "") //有新版本，保存配置文件
                {
                    var ini = new IniFile(Application.StartupPath + @"\" +
                                          UpgraderINIFile);
                    ini.IniWriteValue("Setup", "UpgraderFileVersion",
                        serverVer
                            .ToStringEx()); //写入版本号                                        
                }
            }
            catch (Exception ex)
            {
                LogUserOperate.Write(ex);
                Msg.Warning("检查升级程序失败！\r\n" + ex.Message);
            }

            return serverVer != "";
        }

        /// <summary>
        ///     检查更新，有更新要退出主程序
        /// </summary>
        /// <param name="AppExit">退出应用程序</param>
        public static void CheckVersion(ref bool AppExit)
        {
            AppExit = false;
            try
            {
                var upgraderPath = Path.Combine(Application.StartupPath,
                    DEF_UPGRADER_NAME);

                //获取升级程序的程序集
                var fileData = File.ReadAllBytes(upgraderPath);
                var upgrader = Assembly.Load(fileData);

                //通过.NET反射机制创建UpgraderController实例
                var t = upgrader.GetType(DEF_UPGRADER_CONTROLLER);
                var o = t.Assembly.CreateInstance(t.FullName);

                //获取升级包数量
                var M = t.GetMethod("GetNewlyPackageCount");
                var ret = M.Invoke(o, null);
                var count = ConvertEx.ToInt(ret);

                frmWaitingEx.HideMe();

                if (count > 0) //有新版本,升级包的文件数>0
                {
                    AppExit = true;

                    //启动通用升级程序（商业版）。程序参数：MainEXECall YourERP.exe
                    Process.Start(upgraderPath,
                        Arg_MainEXECall + " " + DEF_MAIN_PROGRAM_NAME);
                }
            }
            catch (Exception ex)
            {
                LogUserOperate.Write(ex);
                Msg.ShowError("检查版本失败！CheckVersion:" + ex.Message);
            }
        }

        /// <summary>
        ///     取本地升级程序的版本号
        /// </summary>
        /// <returns></returns>
        public static string GetUpgraderVersion()
        {
            var ini =
                new IniFile(Application.StartupPath + @"\" + UpgraderINIFile);
            var clientVer = ini.IniReadValue("Client", "UpgraderFileVersion");
            return clientVer;
        }

        /// <summary>
        ///     保存升级程序版本号
        /// </summary>
        /// <param name="version">版本号</param>
        public static void SaveUpgraderVersion(string version)
        {
            var ini =
                new IniFile(Application.StartupPath + @"\" + UpgraderINIFile);
            ini.IniWriteValue("Client", "UpgraderFileVersion", version);
        }
    }
}