using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Configuration;
using System.Windows.Forms;
using System.Runtime.Serialization.Formatters.Soap;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO;
using System.Data;
using ICSharpCode.Core;
using Mesnac.Core;
using Mesnac.Basic;
using Mesnac.Gui.Workbench;

namespace Mesnac.Gui.Run.Global
{
    /// <summary>
    /// 此类用于解析平台运行应用程序配置文件及保存全局变量
    /// </summary>
    public class AppConfigHandler
    {
        #region 字段定义

        private static AppConfigHandler instance = null;

        public string IsNormalUser { get; set; }

        private string _mesnacPlugInPath = String.Empty;            //自定义插件目录
        private string _mcProjectPath = String.Empty;               //组态工程目录
        private string _sysConfigPath = String.Empty;               //系统工程配置目录
        private string _menuConfig = String.Empty;                  //系统自定义菜单配置文件
        private string _toolStripConfig = String.Empty;             //系统自定义工具栏配置文件
        private string _sysMessageConfig = String.Empty;            //系统国际化资源文件配置文件

        #endregion

        #region 单例实现

        private AppConfigHandler()
        {
            this.IsNormalUser = ConfigurationManager.AppSettings["IsNormalUser"];
            this._mesnacPlugInPath = ConfigurationManager.AppSettings["MesnacPlugInPath"];
            this._mcProjectPath = ConfigurationManager.AppSettings["MCProjectPath"];
            this._sysConfigPath = ConfigurationManager.AppSettings["SysConfigPath"];
            this._menuConfig = Path.Combine(Application.StartupPath, this._sysConfigPath, "MenuConfig.dat");
            this._toolStripConfig = Path.Combine(Application.StartupPath, this._sysConfigPath, "ToolStripConfig.dat");
            this._sysMessageConfig = Path.Combine(Application.StartupPath, this._sysConfigPath, "SysMessage.dat");
        }

        public static AppConfigHandler Instance
        {
            get
            {
                if (instance == null)
                {
                    instance = new AppConfigHandler();
                }
                return instance;
            }
        }

        #endregion

        #region 属性定义
        /// <summary>
        /// 自定义插件目录
        /// </summary>
        public string MesnacPlugInPath
        {
            get
            {
                return this._mesnacPlugInPath;
            }
        }
        /// <summary>
        /// 组态工程目录
        /// </summary>
        public string MCProjectPath
        {
            get
            {
                return this._mcProjectPath;
            }
        }
        /// <summary>
        /// 系统工程配置目录
        /// </summary>
        public string SysConfigPath
        {
            get
            {
                return this._sysConfigPath;
            }
        }
        /// <summary>
        /// 系统自定义菜单配置文件
        /// </summary>
        public string MenuConfig
        {
            get
            {
                return this._menuConfig;
            }
        }
        /// <summary>
        /// 系统自定义工具栏配置文件
        /// </summary>
        public string ToolStripConfig
        {
            get
            {
                return this._toolStripConfig;
            }
        }

        /// <summary>
        /// 系统国际化资源文件配置文件
        /// </summary>
        public string SysMessageConfig
        {
            get
            {
                return this._sysMessageConfig;
            }
        }

        #endregion

        #region 公共方法

        /// <summary>
        /// 把树节点序列化至配置文件
        /// </summary>
        /// <param name="root">要序列化的树节点</param>
        /// <param name="file">配置文件完整路径</param>
        public void SerializeObject(object obj, string file)
        {
            FileStream fs = new FileStream(file, FileMode.Create, FileAccess.Write);
            //SoapFormatter formatter = new SoapFormatter();
            BinaryFormatter formatter = new BinaryFormatter();
            formatter.Serialize(fs, obj);
            fs.Flush();
            fs.Close();
        }
        /// <summary>
        /// 从配置文件反序列化树节点对象
        /// </summary>
        /// <param name="file">配置文件完整路径</param>
        /// <returns>反序列化后的树节点对象</returns>
        public object DeserializeObject(string file)
        {
            try
            {
                FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Read);
                //SoapFormatter formatter = new SoapFormatter();
                BinaryFormatter formatter = new BinaryFormatter();
                object obj = formatter.Deserialize(fs);
                fs.Flush();
                fs.Close();
                return obj;
            }
            catch (Exception ex)
            {
                LoggingService<AppConfigHandler>.Error(ex.Message + "\r\n" + ex.StackTrace);
                return null;
            }
        }

        #region 重构系统主工具栏
        /// <summary>
        /// 重构系统主工具栏，目前只支持一级
        /// </summary>
        /// <param name="toolStrip">工具栏对象</param>
        /// <param name="topMenu">主菜单对象</param>
        /// <param name="toolButtons">设置的工具栏项集合</param>
        public void ReBuilderToolStrip(ToolStrip toolStrip, MenuStrip topMenu, List<RunConfigMenuItem> toolButtons)
        {
            #region 删除工具栏中多余项

            List<ToolStripItem> lst = new List<ToolStripItem>();
            foreach (ToolStripItem item1 in toolStrip.Items)
            {
                if (item1 is IStatusUpdate) continue;       //如果是系统工具栏则跳过
                bool flag1 = false;
                foreach (RunConfigMenuItem toolButton1 in toolButtons)
                {
                    if (item1.Name == toolButton1.ID)
                    {
                        flag1 = true;
                        break;
                    }
                }
                if (!flag1)
                {
                    lst.Add(item1);
                }
            }
            foreach (ToolStripItem item2 in lst)
            {
                toolStrip.Items.Remove(item2);
            }

            #endregion

            int index = 0;
            foreach (RunConfigMenuItem toolButton in toolButtons)
            {
                bool flag = false;
                ToolStripItem tsi = null;
                foreach (ToolStripItem item in toolStrip.Items)
                {
                    if (item is IStatusUpdate)
                    {
                        if ((item as IStatusUpdate).ID == toolButton.ID)
                        {
                            tsi = item;
                            flag = true;
                            break;
                        }
                    }
                    else
                    {
                        if (item.Name == toolButton.ID)
                        {
                            tsi = item;
                            flag = true;
                            break;
                        }
                    }
                }


                if (flag)
                {
                    toolStrip.Items.Remove(tsi);
                    toolStrip.Items.Insert(index, tsi);

                    #region 国际化处理

                    if (!String.IsNullOrEmpty(toolButton.MsgId))
                    {
                        if (AppConfigHandler.Instance.SysMessages.Messages.ContainsKey(toolButton.MsgId))
                        {
                            if (AppConfigHandler.instance.SysMessages.Messages[toolButton.MsgId].ContainsKey(System.Threading.Thread.CurrentThread.CurrentUICulture.Name))
                            {
                                tsi.ToolTipText = AppConfigHandler.instance.SysMessages.Messages[toolButton.MsgId][System.Threading.Thread.CurrentThread.CurrentUICulture.Name].Value;
                            }
                        }
                    }

                    #endregion
                }
                else
                {
                    if (toolButton.Text == "-")
                    {
                        tsi = new ToolStripSeparator();
                    }
                    else
                    {
                        tsi = new ToolStripButton();
                        tsi.Name = toolButton.ID;
                        #region 国际化处理

                        if (!String.IsNullOrEmpty(toolButton.MsgId))
                        {
                            if (AppConfigHandler.Instance.SysMessages.Messages.ContainsKey(toolButton.MsgId))
                            {
                                if (AppConfigHandler.instance.SysMessages.Messages[toolButton.MsgId].ContainsKey(System.Threading.Thread.CurrentThread.CurrentUICulture.Name))
                                {
                                    tsi.ToolTipText = AppConfigHandler.instance.SysMessages.Messages[toolButton.MsgId][System.Threading.Thread.CurrentThread.CurrentUICulture.Name].Value;
                                }
                                else
                                {
                                    tsi.ToolTipText = toolButton.Text;
                                }
                            }
                            else
                            {
                                tsi.ToolTipText = toolButton.Text;
                            }
                        }
                        else
                        {
                            tsi.ToolTipText = toolButton.Text;
                        }

                        #endregion
                        //tsi.ToolTipText = toolButton.Text;
                        tsi.Image = toolButton.Img == null ? ResourceService.GetImageResource("Icons_16X16_Default") as System.Drawing.Image : toolButton.Img;
                        tsi.Click += delegate(object sender, EventArgs e)
                        {
                            ToolStripItem menuItem = this.FindItemFromTopMenu((sender as ToolStripItem).Name, topMenu);
                            if (menuItem != null)
                            {
                                menuItem.PerformClick();
                            }
                        };
                    }
                    tsi.Name = toolButton.ID;
                    toolStrip.Items.Insert(index, tsi);
                }

                //权限处理
                ToolStripItem menuItem1 = this.FindItemFromTopMenu(tsi.Name, topMenu);
                if (menuItem1 != null)
                {
                    tsi.Enabled = menuItem1.Enabled;
                }
                index++;
            }
        }

        #endregion

        #region 重构系统主菜单

        /// <summary>
        /// 以递归方式重构系统主菜单
        /// </summary>
        /// <param name="topMenu">原始菜单栏</param>
        /// <param name="node">当前递归下要重构的目标节点</param>
        /// <param name="root">要重构的目标菜单结构树根节点</param>
        /// <param name="allFormPurview">所有权限列表</param>
        /// <param name="PurviewList">当前用户具有的权限列表</param>
        public void ReBuilderMenu(MenuStrip topMenu, TreeNode node, TreeNode root, List<string> allFormPurview, List<string> purviewList)
        {
            foreach (TreeNode tn in node.Nodes)
            {
                int index = tn.Index;
                RunConfigMenuItem rcmi = tn.Tag as RunConfigMenuItem;
                ToolStripItem tsItem = null;
                ToolStripItem menuItem = this.FindItemFromTopMenu(rcmi.ID, topMenu);
                if (menuItem != null)
                {
                    #region 自定义菜单国际化处理

                    if (rcmi.Text != "-")
                    {
                        if (!String.IsNullOrEmpty(rcmi.MsgId))
                        {
                            if (AppConfigHandler.Instance.SysMessages.Messages.ContainsKey(rcmi.MsgId))
                            {
                                if (AppConfigHandler.instance.SysMessages.Messages[rcmi.MsgId].ContainsKey(System.Threading.Thread.CurrentThread.CurrentUICulture.Name))
                                {
                                    menuItem.Text = AppConfigHandler.instance.SysMessages.Messages[rcmi.MsgId][System.Threading.Thread.CurrentThread.CurrentUICulture.Name].Value;
                                }
                            }
                        }
                    }

                    #endregion

                    #region 系统原有菜单处理，先移除，再添加至合适位置
                    if (menuItem.OwnerItem != null)
                    {
                        ToolStripMenuItem parentMenu = menuItem.OwnerItem as ToolStripMenuItem;
                        parentMenu.DropDownItems.Remove(menuItem);
                        if (index > parentMenu.DropDownItems.Count)
                        {
                            parentMenu.DropDownItems.Add(menuItem);
                        }
                        else
                        {
                            parentMenu.DropDownItems.Insert(index, menuItem);
                        }
                    }
                    else
                    {
                        topMenu.Items.Remove(menuItem);
                        if (index > topMenu.Items.Count)
                        {
                            topMenu.Items.Add(menuItem);
                        }
                        else
                        {
                            topMenu.Items.Insert(index, menuItem);
                        }
                    }
                    #endregion
                }
                else
                {
                    #region 自定义菜单处理，添加至合适位置
                    if (rcmi.Text == "-")
                    {
                        tsItem = new ToolStripSeparator();
                        tsItem.Name = rcmi.ID;
                    }
                    else
                    {
                        menuItem = new ToolStripMenuItem();
                        menuItem.Name = rcmi.ID;

                        #region 自定义菜单国际化处理

                        if (!String.IsNullOrEmpty(rcmi.MsgId))
                        {
                            if (AppConfigHandler.Instance.SysMessages.Messages.ContainsKey(rcmi.MsgId))
                            {
                                if (AppConfigHandler.instance.SysMessages.Messages[rcmi.MsgId].ContainsKey(System.Threading.Thread.CurrentThread.CurrentUICulture.Name))
                                {
                                    menuItem.Text = AppConfigHandler.instance.SysMessages.Messages[rcmi.MsgId][System.Threading.Thread.CurrentThread.CurrentUICulture.Name].Value;
                                }
                                else
                                {
                                    menuItem.Text = rcmi.Text;
                                }
                            }
                            else
                            {
                                menuItem.Text = rcmi.Text;
                            }
                        }
                        else
                        {
                            menuItem.Text = rcmi.Text;
                        }

                        #endregion

                        menuItem.Image = rcmi.Img;
                        if (!String.IsNullOrEmpty(rcmi.ShortCut))
                        {
                            Keys keyValue = Mesnac.Core.MenuCommand.ParseShortcut(rcmi.ShortCut);
                            (menuItem as ToolStripMenuItem).ShortcutKeys = keyValue;
                        }
                        if (rcmi.CreateType == CreateType.Form && !String.IsNullOrEmpty(rcmi.FormFile))
                        {
                            //自定义菜单事件处理，打开组态画面
                            menuItem.Click += delegate(object sender, EventArgs e)
                            {
                                SysConfigMenuCommand.Instance.Run(rcmi.FormFile, rcmi.ShowType);
                            };
                        }
                        else if (rcmi.CreateType == CreateType.Command)
                        {
                            //自定义菜单事件处理，执行组态命令
                            menuItem.Click += delegate(object sender, EventArgs e)
                            {
                                Mesnac.ActionService.Service.Instance.Run(sender, rcmi.CommandValue);
                            };
                        }
                    }
                    if (tn.Parent != root)
                    {
                        ToolStripMenuItem parentMenu = this.FindItemFromTopMenu((tn.Parent.Tag as RunConfigMenuItem).ID, topMenu) as ToolStripMenuItem;
                        if (parentMenu != null)
                        {
                            if (tsItem == null)
                            {
                                parentMenu.DropDownItems.Insert(index, menuItem);
                            }
                            else
                            {
                                parentMenu.DropDownItems.Add(tsItem);
                            }
                        }
                        else
                        {
                            if (tsItem == null)
                            {
                                topMenu.Items.Insert(index, menuItem);
                            }
                            else
                            {
                                topMenu.Items.Insert(index, tsItem);
                            }
                        }
                    }
                    else
                    {
                        if (tsItem == null)
                        {
                            topMenu.Items.Insert(index, menuItem);
                        }
                        else
                        {
                            topMenu.Items.Insert(index, tsItem);
                        }
                    }
                    #endregion
                }
                //权限处理
                if (rcmi.CreateType == CreateType.Form)
                {
                    if (!UserInfo.Instance.RoleGUID.Equals("-99") && allFormPurview.Contains(rcmi.ID) && !purviewList.Contains(rcmi.ID))
                    {
                        menuItem.Enabled = false;
                    }
                    else
                    {
                        if (menuItem != null)
                        {
                            menuItem.Enabled = true;
                            if (rcmi.IsAutoLoad)
                            {
                                #region 如果是自动加载的项，则直接执行
                                if (!WorkbenchSingleton.Workbench.ViewContentDic.ContainsKey(rcmi.FormFile))
                                {
                                    SysConfigMenuCommand.Instance.Run(rcmi.FormFile, rcmi.ShowType);
                                }
                                else
                                {
                                    if (WorkbenchSingleton.Workbench.ViewContentDic[rcmi.FormFile].Visible == false)
                                    {
                                        SysConfigMenuCommand.Instance.Run(rcmi.FormFile, rcmi.ShowType);
                                    }
                                }
                                #endregion
                            }
                        }
                    }
                }
                else if (rcmi.CreateType == CreateType.Command)
                {
                    string formName = rcmi.ID.Split(new char[] { '_' })[1];
                    if (!UserInfo.Instance.RoleGUID.Equals("-99") && allFormPurview.Contains(formName) && !purviewList.Contains(formName))
                    {
                        menuItem.Enabled = false;
                    }
                    else
                    {
                        if (menuItem != null) menuItem.Enabled = true;
                    }
                }
                this.ReBuilderMenu(topMenu, tn, root, allFormPurview, purviewList);
            }
        }

        /// <summary>
        /// 以递归方式重构系统主菜单
        /// </summary>
        /// <param name="topMenu">原始菜单栏</param>
        /// <param name="node">当前递归下要重构的目标节点</param>
        /// <param name="root">要重构的目标菜单结构树根节点</param>
        public void ReBuilderMenu(MenuStrip topMenu, TreeNode node, TreeNode root)
        {
            this.ReBuilderMenu(topMenu, node, root, UserInfo.Instance.AllFormPurview, UserInfo.Instance.PurviewList);
        }

        #region 自定义菜单处理辅助方法

        /// <summary>
        /// 在菜单栏中查找菜单项
        /// </summary>
        /// <param name="id">要查找的条件id</param>
        /// <param name="topMenu">菜单栏</param>
        /// <returns>如果找到则返回对应的菜单项，如果找不到返回null</returns>
        public ToolStripItem FindItemFromTopMenu(string id, MenuStrip topMenu)
        {
            ToolStripItem tsmi = null;
            foreach (ToolStripMenuItem menuItem in topMenu.Items)
            {
                if (this.IsMatchById(menuItem, id))
                {
                    return menuItem;
                }
                else
                {
                    tsmi = this.FindItemById(menuItem, id);
                    if (tsmi != null)
                    {
                        break;
                    }
                }
            }
            return tsmi;
        }

        /// <summary>
        /// 以递归方式在指定菜单的子级菜单中查找对应id的菜单项
        /// </summary>
        /// <param name="parentMenu">指定的菜单项</param>
        /// <param name="id">要匹配的id</param>
        /// <returns>返回对应菜单项，找不到返回null</returns>
        private ToolStripItem FindItemById(ToolStripItem parentMenu, string id)
        {
            ToolStripItem tsmi = null;
            ToolStripMenuItem pm = parentMenu as ToolStripMenuItem;
            if (pm != null)
            {
                foreach (ToolStripItem menuItem in pm.DropDownItems)
                {
                    if (this.IsMatchById(menuItem, id))
                    {
                        return menuItem;
                    }
                    else
                    {
                        tsmi = this.FindItemById(menuItem, id);
                        if (tsmi != null)
                        {
                            break;
                        }
                    }
                }
            }
            return tsmi;
        }

        /// <summary>
        /// 判断菜单与指定ID是否匹配
        /// </summary>
        /// <param name="menuItem">菜单项</param>
        /// <param name="id">ID号</param>
        /// <returns>如果匹配返回真，否则返回假</returns>
        public bool IsMatchById(ToolStripItem menuItem, string id)
        {
            IStatusUpdate su = menuItem as IStatusUpdate;
            if (su != null && su.ID == id)
            {
                return true;
            }
            else if (menuItem.Name == id)
            {
                return true;
            }
            return false;
        }
        /// <summary>
        /// 把ToolStripItem转换为对应的TreeNode
        /// </summary>
        /// <param name="menuItem">菜单项</param>
        /// <returns>树节点</returns>
        public TreeNode ConvertToolStripItemToTreeNode(ToolStripItem menuItem)
        {
            RunConfigMenuItem rItem = new RunConfigMenuItem();
            TreeNode tn = new TreeNode();
            IStatusUpdate su = menuItem as Mesnac.Core.IStatusUpdate;
            if (su != null)
            {
                tn.Name = (menuItem as Mesnac.Core.IStatusUpdate).ID;
            }
            else
            {
                if (String.IsNullOrEmpty(menuItem.Name))
                {
                    tn.Name = Guid.NewGuid().ToString();
                    menuItem.Name = tn.Name;
                }
            }
            tn.Text = menuItem.Text;

            rItem.ID = tn.Name;
            if (menuItem is ToolStripMenuItem)
            {
                rItem.Text = menuItem.Text;
            }
            else if (menuItem is ToolStripButton)
            {
                rItem.Text = menuItem.ToolTipText;
            }
            rItem.IsSystem = true;

            tn.Tag = rItem;
            if (menuItem is ToolStripMenuItem)
            {
                foreach (ToolStripItem mi in (menuItem as ToolStripMenuItem).DropDownItems)
                {
                    tn.Nodes.Add(ConvertToolStripItemToTreeNode(mi));
                }
            }
            else if (menuItem is ToolStripSeparator)
            {
                rItem.Text = "-";
                tn.Text = "-";
            }
            return tn;
        }
        #endregion

        #endregion

        #region 初始化自定义系统菜单

        /// <summary>
        /// 初始化自定义系统菜单和工具栏
        /// </summary>
        /// <param name="topMenu">系统菜单栏</param>
        /// <param name="toolStrip">系统工具栏</param>
        public void InitCustomerMenuAndToolStrip(MenuStrip topMenu, ToolStrip toolStrip)
        {
            if (File.Exists(this._menuConfig))
            {
                TreeNode root = this.DeserializeObject(this._menuConfig) as TreeNode;
                if (root != null && topMenu != null)
                {
                    AppConfigHandler.Instance.ReBuilderMenu(topMenu, root, root);
                }
            }
            if (File.Exists(this._toolStripConfig))
            {
                List<RunConfigMenuItem> lst = this.DeserializeObject(this._toolStripConfig) as List<RunConfigMenuItem>;
                if (lst != null && lst.Count > 0)
                {
                    AppConfigHandler.Instance.ReBuilderToolStrip(toolStrip, topMenu, lst);
                }
            }
            if (Mesnac.Basic.RunSchema.Instance.Exists())
            {
                //如果工程配置文件存在，则读取用户权限
                DataTable table = UserInfo.Instance.GetPurview();
            }

        }

        #endregion

        #region 执行业务

        /// <summary>
        /// 执行命令
        /// </summary>
        /// <param name="sender">事件源</param>
        /// <param name="rcmi">命令对象</param>
        public void RunCommand(object sender, RunConfigMenuItem rcmi)
        {
            Mesnac.ActionService.Service.Instance.Run(sender, rcmi.CommandValue);
        }

        #endregion

        #region 自定义菜单处理程序

        /// <summary>
        /// 自定义菜单处理程序
        /// </summary>
        public class SysConfigMenuCommand : AbstractCommand
        {
            private static SysConfigMenuCommand instance;

            private SysConfigMenuCommand()
            {
                //Mesnac.Gui.Common.RunEngine.Instance.Init(this._projectPath);       //初始化运行引擎
            }

            public static SysConfigMenuCommand Instance
            {
                get
                {
                    if (instance == null)
                    {
                        instance = new SysConfigMenuCommand();
                    }
                    return instance;
                }
            }


            public override void Run()
            {
                //test//
                //TreeNode nodeForm = Mesnac.Gui.Common.RunEngine.Instance.Tree.GetFirstNodeByNodeName("FrmPlan");
                //Mesnac.Gui.Common.RunEngine.Instance.Simulation(nodeForm, false);

                LoggingService<SysConfigMenuCommand>.Debug("自定义菜单处理程序...测试");
            }

            public void Run(string formFile, FormShowType showType)
            {
                TreeNode nodeForm = Mesnac.Gui.Common.RunEngine.Instance.Tree.GetFirstNodeByNodeName(formFile);
                Mesnac.Gui.Common.RunEngine.Instance.Simulation(nodeForm, showType);

                //查找DLL模块显示
                if(nodeForm == null)
                {
                    Mesnac.Gui.Common.RunEngine.Instance.SimulationDLL(formFile,showType);
                }
            }
        }

        #endregion

        #region 国际化支持

        private SysMessage _sysMessages;

        /// <summary>
        /// 从配置文件中加载国际化资源数据
        /// </summary>
        /// <returns></returns>
        public SysMessage LoadSysMessage()
        {
            SysMessage sysMessage = null;
            if (File.Exists(this._sysMessageConfig))
            {
                sysMessage = this.DeserializeObject(this._sysMessageConfig) as SysMessage;
            }
            else
            {
                sysMessage = new SysMessage();
            }
            return sysMessage;
        }

        /// <summary>
        /// 保存国际化资源至配置文件
        /// </summary>
        /// <param name="sysMessage"></param>
        public void SaveSysMessage(SysMessage sysMessage)
        {
            this.SerializeObject(sysMessage, this._sysMessageConfig);
        }

        /// <summary>
        /// 国际化资源数据
        /// </summary>
        public SysMessage SysMessages
        {
            get
            {
                if (this._sysMessages == null)
                {
                    this._sysMessages = this.LoadSysMessage();
                }
                return this._sysMessages;
            }
        }


        #endregion

        #endregion
    }
}