/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：FrmAutoUpgradeInfomation.cs
 *      2.功能描述：系统自动更新画面
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      陈晓野          2014/09/20          1.00            新建
 *******************************************************************************/

using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.InteropServices;
using System.ServiceModel;
using System.Text;
using System.Threading;
using System.Windows.Forms;

using Dongke.IBOSS.PRD.Client.AutoUpgrade.DKIBOSSPRDService;

namespace Dongke.IBOSS.PRD.Client.AutoUpgrade
{
    /// <summary>
    /// 系统自动更新画面
    /// </summary>
    public partial class FrmAutoUpgradeInfomation : Form
    {
        #region 系统DLL引用
        /// <summary>
        /// 读取INI文件
        /// </summary>
        /// <param name="section">节点名称</param>
        /// <param name="key">键</param>
        /// <param name="def">值</param>
        /// <param name="retval">stringbulider对象</param>
        /// <param name="size">字节大小</param>
        /// <param name="filePath">文件路径</param>
        /// <returns></returns>
        [DllImport("kernel32")]
        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retval, int size, string filePath);
        [DllImport("user32.dll", EntryPoint = "GetSystemMenu")]
        public static extern IntPtr GetSystemMenu(IntPtr hWnd, int bRevert);
        [DllImport("User32.dll")]
        public static extern bool EnableMenuItem(IntPtr hMenu, int uIDEnableItem, int uEnable);

        #endregion

        #region 常量

        public const int SW_RESTORE = 9;
        public const int SC_CLOSE = 0xF060;
        public const int MF_ENABLED = 0x00000000;
        public const int MF_GRAYED = 0x00000001;
        public const int MF_DISABLED = 0x00000002;
        public const int WM_SYSCOMMAND = 0x112;
        public const int WM_QUERYENDSESSION = 0x11;
        public const int WM_CUSTOM_FW = 0x1024;

        // 配置文件名
        private const string INI_FILE_NAME = "iBossPrdConfig.ini";
        // 配置文件业务配置的域名
        private const string INI_SECTION_NAME = "NetworkAddress";
        // IP地址节点的KEY
        private const string INI_IP_KEY = "IP";
        // 端口节点的KEY
        private const string INI_PORT_KEY = "Port";
        // 系统的地址
        private const string SYSTEM_WEB_ADDRESS = "http://{0}:{1}/DKService/{2}";
        // 主程序名
        private const string MAIN_NAME = "IBOSSPRD.exe";
        // 主程序名
        private const string PUBLIC_MAIN_NAME = "IBOSSPRDPublic.exe";
        // 更新服务名
        private const string SERVICE_NAME = "DKIBOSSPRDService";
        private const string PUBLIC_SERVICE_NAME = "PublicModuleService";
        // 缓存及配置文件路径
        private const string SETTING_PATH = @"\DongkeSoft\IBOSSPRD\";

        #endregion

        #region 成员变量

        // INI文件的路径
        private string _iniFilePath;
		private string _localiniFilePath;
		// 下载到客户端的地址
		private string _downloadFolder;
        // 应用程序文件夹
        private string _applicationFolder;
        // 服务信道
        private IDKIBOSSPRD _channel = null;

        #endregion

        #region 委托声明

        private delegate void SetPos();
        private delegate void SetContrl(Label lable);
        private delegate void SetDownFileValue(int value);
        private delegate object AsyncMethod();

        #endregion

        #region 构造函数
        /// <summary>
        /// 构造函数
        /// </summary>
        public FrmAutoUpgradeInfomation()
        {
            try
            {
                if (Program.IsPublic)
                {
                    if (File.Exists(System.AppDomain.CurrentDomain.BaseDirectory + MAIN_NAME))
                    {
                        Program.IsPublic = false;
                    }
                }

                InitializeComponent();
                this.lblCon1.Visible = false;
                this.lblCon2.Visible = false;
                this.lblCon3.Visible = false;
                this.lblOk1.Visible = false;
                this.lblOk2.Visible = false;
                this.lblOk3.Visible = false;
                this.txtUpgradeInfo.ReadOnly = true;
                this.btnFinish.Visible = false;
                _applicationFolder = System.Environment.CurrentDirectory;
                StringBuilder personalDataSavePath = new StringBuilder();
                personalDataSavePath.Append(System.Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData));
                personalDataSavePath.Append(SETTING_PATH);
                _iniFilePath = personalDataSavePath.ToString() + INI_FILE_NAME;
                if (Program.IsPublic)
                {
                    _downloadFolder = personalDataSavePath.ToString() + @"UpPublicDownload\";
                }
                else
                {
                    _downloadFolder = personalDataSavePath.ToString() + @"UpDownload\";
                }
				_localiniFilePath = AppDomain.CurrentDomain.BaseDirectory + INI_FILE_NAME;
				//string ipAddress = this.ReadIniFile(INI_SECTION_NAME, INI_IP_KEY, _iniFilePath);
				//string serverPort = this.ReadIniFile(INI_SECTION_NAME, INI_PORT_KEY, _iniFilePath);
				string ipAddress = null;
				string serverPort = null;
				if (File.Exists(_localiniFilePath))
				{
					ipAddress = this.ReadIniFile(INI_SECTION_NAME, INI_IP_KEY, _localiniFilePath);
					serverPort = this.ReadIniFile(INI_SECTION_NAME, INI_PORT_KEY, _localiniFilePath);
				}
				else
				{
					ipAddress = this.ReadIniFile(INI_SECTION_NAME, INI_IP_KEY, _iniFilePath);
					serverPort = this.ReadIniFile(INI_SECTION_NAME, INI_PORT_KEY, _iniFilePath);
				}

				string sname = null;
                if (Program.IsPublic)
                {
                    sname = SERVICE_NAME;
                }
                else
                {
                    sname = SERVICE_NAME;
                }
                string uri = string.Format(SYSTEM_WEB_ADDRESS, ipAddress, serverPort, sname);

                EndpointAddress remoteAddress = new EndpointAddress(uri);
                ChannelFactory<IDKIBOSSPRD> channelFactory = new ChannelFactory<IDKIBOSSPRD>(sname, remoteAddress);
                channelFactory.Open();
                _channel = channelFactory.CreateChannel();
            }
            catch (Exception ex)
            {
                MessageBox.Show(string.Format("加载升级页面时出现了如下错误:\r\n{0}", ex.Message), this.Text, MessageBoxButtons.OK,
                       MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
            }
        }
        #endregion

        #region 事件处理

        /// <summary>
        /// 窗体加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FrmAutoUpgradeInfomation_Shown(object sender, EventArgs e)
        {
            try
            {
                object obj = DoAsync(new AsyncMethod(this.LoadAutoUpgrade));
                this.btnFinish.Visible = true;
                //if (Program.IsPublic)
                {
                    this.btnFinish_Click(null, null);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(string.Format("加载升级页面时出现了如下错误:\r\n{0}", ex.Message), this.Text, MessageBoxButtons.OK,
                    MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
            }
        }

        /// <summary>
        /// 完成事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnFinish_Click(object sender, EventArgs e)
        {
            Application.Exit();
            //Process.Start(MAIN_NAME);
            if (Program.IsPublic)
            {
                Process.Start(System.AppDomain.CurrentDomain.BaseDirectory + PUBLIC_MAIN_NAME);
            }
            else
            {
                Process.Start(System.AppDomain.CurrentDomain.BaseDirectory + MAIN_NAME, Program.Parameter);
            }
        }

        /// <summary>
        /// 关闭操作
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        #endregion

        #region 私有方法

        /// <summary>
        /// 设置关闭按钮可用状态
        /// </summary>
        /// <param name="value"></param>
        private void SetCloseBox(bool value)
        {
            if (this.Handle == System.IntPtr.Zero)
            {
                return;
            }
            IntPtr hMenu = GetSystemMenu(this.Handle, 0);
            if (hMenu == System.IntPtr.Zero)
            {
                return;
            }
            if (value)
            {
                EnableMenuItem(hMenu, SC_CLOSE, MF_ENABLED);
            }
            else
            {
                EnableMenuItem(hMenu, SC_CLOSE, MF_DISABLED | MF_GRAYED);
            }
            return;
        }

        /// <summary>
        /// 窗体的异步处理
        /// </summary>
        /// <param name="method">异步方法</param>
        /// <returns></returns>
        private object DoAsync(AsyncMethod method)
        {
            object result = null;
            try
            {
                this.SetCloseBox(false);
                IAsyncResult asyncResult = method.BeginInvoke(null, null);

                while (!asyncResult.IsCompleted)
                {
                    Application.DoEvents();
                    System.Threading.Thread.Sleep(1);
                }

                result = method.EndInvoke(asyncResult);
            }
            finally
            {
                this.SetCloseBox(true);
                try
                {
                    AsyncMethod endProgressMethod = new AsyncMethod(EndDoAsync);
                    IAsyncResult ar = endProgressMethod.BeginInvoke(null, null);
                    while (!ar.IsCompleted)
                    {
                        Application.DoEvents();
                        System.Threading.Thread.Sleep(1);
                    }
                    endProgressMethod.EndInvoke(ar);
                }
                catch (Exception ex)
                {
                    throw (ex);
                }
            }
            return result;
        }

        /// <summary>
        /// 异步处理结束
        /// </summary>
        /// <returns></returns>
        private object EndDoAsync()
        {
            return null;
        }

        /// <summary>
        /// 读取INI文件
        /// </summary>
        /// <param name="section">节点名称</param>
        /// <param name="key">键</param>
        /// <param name="filePath">文件路径</param>
        /// <returns></returns>
        private string ReadIniFile(string section, string key, string filePath)
        {
            try
            {
                StringBuilder returnValue = new StringBuilder(1024);
                GetPrivateProfileString(section, key, "", returnValue, 1024, filePath);
                return returnValue.ToString();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 异步设置控件
        /// </summary>
        /// <param name="label"></param>
        private void SetLabel(Label label)
        {
            if (this.InvokeRequired)
            {
                SetContrl setpos = new SetContrl(SetLabel);
                this.Invoke(setpos, new object[] { label });
            }
            else
            {
                label.Visible = true;
                label.BringToFront();
            }
        }

        /// <summary>
        /// 设置进度条
        /// </summary>
        /// <param name="label"></param>
        private void SetProcess()
        {
            if (this.InvokeRequired)
            {
                SetPos setpos = new SetPos(SetProcess);
                this.Invoke(setpos);
            }
            else
            {
                for (int i = 0; i < 15; i++)
                {
                    this.pbDownFile.Value = i;
                    Thread.Sleep(100);
                }
            }
        }

        /// <summary>
        /// 下载文件的主程序
        /// </summary>
        private void DownLoadFile()
        {
            try
            {
                SetLabel(this.lblCon1);

                if (!Directory.Exists(_downloadFolder))
                {
                    Directory.CreateDirectory(_downloadFolder);
                }

                string downloadDir = _downloadFolder + "-Upgrade.up";

                // 下载更新文件
                SetProcess();
                ICommunicationObject communicationObject = (ICommunicationObject)_channel;
                byte[] downLoadFile = null;
                try
                {
                    if (Program.IsPublic)
                    {
                        downLoadFile = _channel.DownloadUpgradeFile("Public");
                    }
                    else
                    {
                        downLoadFile = _channel.DownloadUpgradeFile(null);
                    }
                    communicationObject.Close();
                }
                catch (Exception ex)
                {
                    communicationObject.Abort();
                    throw ex;
                }

                // 流转换成压缩文件
                File.WriteAllBytes(downloadDir, downLoadFile);
                SetLabel(this.lblOk1);
                //this.pbDownFile.Value = 20;
                SetDownFile(20);

                // 正在解压更新文件
                SetLabel(this.lblCon2);
                ZipFileClass.UnZipFile(downloadDir, _downloadFolder);
                SetLabel(this.lblOk2);
                //this.pbDownFile.Value = 30;
                SetDownFile(30);

                // 将需要更新的文件复制到运行文件夹下
                bool hasEXE = false;
                string exeFname = null;
                string upFname = null;
                SetLabel(this.lblCon3);
                string[] downFiles = Directory.GetFiles(_downloadFolder);
                int x = 55 / downFiles.Length;
                string mainName = MAIN_NAME;
                if (Program.IsPublic)
                {
                    mainName = PUBLIC_MAIN_NAME;
                }
                foreach (string name in downFiles)
                {
                    string filename = Path.GetFileName(name);
                    if (filename.StartsWith("AutoUpgrade")
                        || "SharpZipLib.dll".Equals(filename)
						|| filename.EndsWith(".ini"))
                    {
                        continue;
                    }
                    if (mainName == filename)
                    {
                        hasEXE = true;
                        exeFname = name;
                        continue;
                    }
                    if ("-Upgrade.up".Equals(filename))
                    {
                        upFname = name;
                        continue;
                    }
                    //if (!"SharpZipLib.dll".Equals(filename))
                    {
                        string localFile = _applicationFolder + @"\" + filename;

                        if (File.Exists(localFile))
                        {
                            File.Delete(localFile);
                        }
                        File.Copy(name, localFile);
                        File.Delete(name);
                    }
                    //this.pbDownFile.Value = 30 + x;
                    SetDownFile(30 + x);
                }

                if (File.Exists(upFname))
                {
                    File.Delete(upFname);
                }

                // 最后更新exe文件
                if (hasEXE)
                {
                    string localFileIBOSS = _applicationFolder + @"\" + mainName;
                    if (File.Exists(localFileIBOSS))
                    {
                        File.Delete(localFileIBOSS);
                    }
                    File.Copy(exeFname, localFileIBOSS);
                    File.Delete(exeFname);
                    //this.pbDownFile.Value = 100;
                    SetDownFile(100);
                }

                SetLabel(this.lblOk3);
                //MessageBox.Show("更新完成", this.Text, MessageBoxButtons.OK,
                //    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 加载自动更新信息
        /// </summary>
        private object LoadAutoUpgrade()
        {
            try
            {
                this.DownLoadFile();
                return null;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 设置进度条
        /// </summary>
        /// <param name="value"></param>
        private void SetDownFile(int value)
        {
            try
            {
                if (this.InvokeRequired)
                {
                    SetDownFileValue setpos = new SetDownFileValue(SetDownFile);
                    this.Invoke(setpos, new object[] { value });
                }
                else
                {
                    this.pbDownFile.Value = value;
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        #endregion
    }
}