using bzit.bomg.Models;
using ICSharpCode.SharpZipLib.Zip;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Text;
using System.Windows.Forms;
using System.Xml;
using static RyzStudio.Windows.Forms.BookmarkTreeView;
using Resources = bzit.bomg.Properties.Resources;
using TextBoxForm = RyzStudio.Windows.ThemedForms.TextBoxForm;
using ThreadControl = RyzStudio.Windows.Forms.ThreadControl;

namespace bzit.bomg
{
    public partial class MainForm : Form
    {
        public enum AppMode
        {
            Clear = 0,
            Open,
            New
        }

        public enum LoadFileType
        {
            None = 0,
            Jsnx,
            Ryz
        }

        //protected BackgroundWorker loadFileThread = null;
        protected bool isBusy = false;
        protected LoadFileType loadFileType = LoadFileType.None;

        protected AppMode appMode = AppMode.Clear;
        protected string sessionFilename = null;
        protected string sessionPassword = null;
        protected bool usePassword = false;

        public MainForm()
        {
            InitializeComponent();

            //if (loadFileThread == null)
            //{
            //    loadFileThread = new BackgroundWorker();
            //    loadFileThread.WorkerReportsProgress = loadFileThread.WorkerSupportsCancellation = true;
            //}

            //loadFileThread.DoWork += loadFileThread_DoWork;
            //loadFileThread.RunWorkerCompleted += loadFileThread_RunWorkerCompleted;

            treeView1.OnNodeChanged += treeView1_OnNodeChanged;
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            bool rv = false;
            string iconDBFilename = Path.ChangeExtension(Application.ExecutablePath, ".db");

            string errorMessage;
            rv = treeView1.InitialiseIconDatabase(out errorMessage, iconDBFilename);
            if (!rv)
            {
                MessageBox.Show("Can not find icon database. [" + errorMessage + "]");
                this.Close();
            }

            this.ApplicationMode = AppMode.Clear;
            this.ClearSession();
        }

        protected override void OnShown(EventArgs e)
        {
            base.OnShown(e);

            this.Height = Screen.PrimaryScreen.WorkingArea.Height;
            this.Location = Screen.PrimaryScreen.WorkingArea.Location;

            // command line
            string[] args = Environment.GetCommandLineArgs();

            if (args.Length > 1)
            {
                int i = 1;
                while (true)
                {
                    if (i > (args.Length - 1))
                    {
                        break;
                    }

                    switch (args[i].Trim().ToLower())
                    {
                        case "-o":
                        case "-open":
                            if ((i + 1) > (args.Length - 1)) break;

                            string openFilename = args[(i + 1)];
                            if (string.IsNullOrWhiteSpace(openFilename)) break;
                            if (!File.Exists(openFilename)) break;

                            LoadBookmarksForm loadFileForm = new LoadBookmarksForm(this, openFilename);
                            loadFileForm.ShowDialog();

                            i++;
                            break;
                    }

                    i++;
                }
            }
        }

        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            if (this.IsBusy)
            {
                e.Cancel = true;
                return;
            }

            if (this.ApplicationMode == AppMode.Clear)
            {
                // do later
            }
            else
            {
                if (treeView1.HasChanged)
                {
                    if (this.ApplicationMode == AppMode.New)
                    {
                        DialogResult response = MessageBox.Show("Save bookmarks", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
                        if (response == DialogResult.Yes)
                        {
                            bool hasSaved = saveAsBookmarkFile();
                            if (!hasSaved)
                            {
                                e.Cancel = true;
                                return;
                            }
                        }
                        else if (response == DialogResult.No)
                        {
                            // do later
                        }
                        else if (response == DialogResult.Cancel)
                        {
                            e.Cancel = true;
                            return;
                        }
                    }
                    else if (this.ApplicationMode == AppMode.Open)
                    {
                        DialogResult response = MessageBox.Show("Save changes to open bookmarks", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
                        if (response == DialogResult.Yes)
                        {
                            if (usePassword)
                            {
                                if (string.IsNullOrWhiteSpace(sessionPassword))
                                {
                                    TextBoxForm passwordForm = new TextBoxForm("Password", "Password", true);
                                    sessionPassword = passwordForm.ShowDialog();
                                }
                            }

                            saveBookmarkFile_ForJSNX(sessionFilename, sessionPassword ?? string.Empty);
                        }
                        else if (response == DialogResult.No)
                        {
                            // do later
                        }
                        else if (response == DialogResult.Cancel)
                        {
                            e.Cancel = true;
                            return;
                        }
                    }
                }
                else
                {
                    // do later
                }
            }

            treeView1.CloseIconDatabase();

            treeView1.Clear();

            this.ApplicationMode = AppMode.Clear;
            this.ClearSession();

            Application.Exit();
        }

        public AppMode ApplicationMode
        {
            get => appMode;
            set
            {
                appMode = value;

                switch (value)
                {
                    case AppMode.Clear:
                        ThreadControl.SetText(this, Resources.app_name);

                        ThreadControl.SetEnable(toolStrip1, closeFileMenuItem, false);
                        this.AllowSave = false;
                        ThreadControl.SetEnable(toolStrip1, saveAsFileMenuItem, false);
                        ThreadControl.SetEnable(toolStrip1,  findEditMenuItem, false);
                        ThreadControl.SetEnable(toolStrip1, expandAllViewMenuItem, false);
                        ThreadControl.SetEnable(toolStrip1, collapseAllViewMenuItem, false);
                        ThreadControl.SetEnable(toolStrip1, optionsToolMenuItem, false);

                        break;
                    case AppMode.Open:
                        ThreadControl.SetEnable(toolStrip1, closeFileMenuItem, true);
                        this.AllowSave = true;
                        ThreadControl.SetEnable(toolStrip1, saveAsFileMenuItem, true);
                        ThreadControl.SetEnable(toolStrip1, findEditMenuItem, true);
                        ThreadControl.SetEnable(toolStrip1, expandAllViewMenuItem, true);
                        ThreadControl.SetEnable(toolStrip1, collapseAllViewMenuItem, true);
                        ThreadControl.SetEnable(toolStrip1, optionsToolMenuItem, true);

                        break;
                    case AppMode.New:
                        ThreadControl.SetText(this, Resources.app_name);

                        ThreadControl.SetEnable(toolStrip1, closeFileMenuItem, true);
                        this.AllowSave = true;
                        ThreadControl.SetEnable(toolStrip1, saveAsFileMenuItem, true);
                        ThreadControl.SetEnable(toolStrip1, findEditMenuItem, true);
                        ThreadControl.SetEnable(toolStrip1, expandAllViewMenuItem, true);
                        ThreadControl.SetEnable(toolStrip1, collapseAllViewMenuItem, true);
                        ThreadControl.SetEnable(toolStrip1, optionsToolMenuItem, true);

                        break;
                }
            }
        }

        public bool AllowSave
        {
            get => (saveMenuBarItem.Enabled || saveFileMenuItem.Enabled);
            set
            {
                ThreadControl.SetEnable(toolStrip1, saveMenuBarItem, value);
                ThreadControl.SetEnable(toolStrip1, saveFileMenuItem, value);
            }
        }

        public bool IsBusy
        {
            get => isBusy;
            set
            {
                treeView1.Enabled = !value;
            }
        }

        #region toolbar

        private void fileNewMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            if (this.ApplicationMode == AppMode.Clear)
            {
                // do later
            }
            else
            {
                if (treeView1.HasChanged)
                {
                    if (this.ApplicationMode == AppMode.New)
                    {
                        DialogResult response = MessageBox.Show("Save bookmarks", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
                        if (response == DialogResult.Yes)
                        {
                            bool hasSaved = saveAsBookmarkFile();
                            if (!hasSaved)
                            {
                                return;
                            }
                        }
                        else if (response == DialogResult.No)
                        {
                            // do later
                        }
                        else if (response == DialogResult.Cancel)
                        {
                            return;
                        }
                    }
                    else if (this.ApplicationMode == AppMode.Open)
                    {
                        DialogResult response = MessageBox.Show("Save changes to open bookmarks", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
                        if (response == DialogResult.Yes)
                        {
                            if (usePassword)
                            {
                                if (string.IsNullOrWhiteSpace(sessionPassword))
                                {
                                    TextBoxForm passwordForm = new TextBoxForm("Password", "Password", true);
                                    sessionPassword = passwordForm.ShowDialog();
                                }
                            }

                            saveBookmarkFile_ForJSNX(sessionFilename, sessionPassword ?? string.Empty);
                        }
                        else if (response == DialogResult.No)
                        {
                            // do later
                        }
                        else if (response == DialogResult.Cancel)
                        {
                            return;
                        }
                    }
                }
                else
                {
                    // do later
                }
            }

            TextBoxForm newSessionForm = new TextBoxForm("New Session", "Name");
            string rv = newSessionForm.ShowDialog();
            if (string.IsNullOrWhiteSpace(rv))
            {
                return;
            }

            treeView1.Clear(rv);

            this.ApplicationMode = AppMode.New;
            this.ClearSession();
        }

        private void fileOpenMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            if (this.ApplicationMode == AppMode.Clear)
            {
                // do later
            }
            else
            {
                if (treeView1.HasChanged)
                {
                    if (this.ApplicationMode == AppMode.New)
                    {
                        DialogResult response = MessageBox.Show("Save bookmarks", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
                        if (response == DialogResult.Yes)
                        {
                            bool hasSaved = saveAsBookmarkFile();
                            if (!hasSaved)
                            {
                                return;
                            }
                        }
                        else if (response == DialogResult.No)
                        {
                            // do later
                        }
                        else if (response == DialogResult.Cancel)
                        {
                            return;
                        }
                    }
                    else if (this.ApplicationMode == AppMode.Open)
                    {
                        DialogResult response = MessageBox.Show("Save changes to open bookmarks", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
                        if (response == DialogResult.Yes)
                        {
                            if (usePassword)
                            {
                                if (string.IsNullOrWhiteSpace(sessionPassword))
                                {
                                    TextBoxForm passwordForm = new TextBoxForm("Password", "Password", true);
                                    sessionPassword = passwordForm.ShowDialog();
                                }
                            }

                            saveBookmarkFile_ForJSNX(sessionFilename, sessionPassword ?? string.Empty);
                        }
                        else if (response == DialogResult.No)
                        {
                            // do later
                        }
                        else if (response == DialogResult.Cancel)
                        {
                            return;
                        }
                    }
                }
                else
                {
                    // do later
                }
            }

            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                LoadBookmarksForm loadFileForm = new LoadBookmarksForm(this, openFileDialog.FileName);
                loadFileForm.ShowDialog();
            }
        }

        private void fileCloseMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            if (this.ApplicationMode == AppMode.Clear)
            {
                // do later
            }
            else
            {
                if (treeView1.HasChanged)
                {
                    if (this.ApplicationMode == AppMode.New)
                    {
                        DialogResult response = MessageBox.Show("Save bookmarks", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
                        if (response == DialogResult.Yes)
                        {
                            bool hasSaved = saveAsBookmarkFile();
                            if (!hasSaved)
                            {
                                return;
                            }
                        }
                        else if (response == DialogResult.No)
                        {
                            // do later
                        }
                        else if (response == DialogResult.Cancel)
                        {
                            return;
                        }
                    }
                    else if (this.ApplicationMode == AppMode.Open)
                    {
                        DialogResult response = MessageBox.Show("Save changes to open bookmarks", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
                        if (response == DialogResult.Yes)
                        {
                            if (usePassword)
                            {
                                if (string.IsNullOrWhiteSpace(sessionPassword))
                                {
                                    TextBoxForm passwordForm = new TextBoxForm("Password", "Password", true);
                                    sessionPassword = passwordForm.ShowDialog();
                                }
                            }

                            saveBookmarkFile_ForJSNX(sessionFilename, sessionPassword ?? string.Empty);
                        }
                        else if (response == DialogResult.No)
                        {
                            // do later
                        }
                        else if (response == DialogResult.Cancel)
                        {
                            return;
                        }
                    }
                }
                else
                {
                    // do later
                }
            }

            treeView1.Clear();

            this.ApplicationMode = AppMode.Clear;
            this.ClearSession();
        }

        private void fileSaveMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            if (this.ApplicationMode == AppMode.New)
            {
                DialogResult response = MessageBox.Show("Save bookmarks", "Save?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
                if (response == DialogResult.Yes)
                {
                    bool hasSaved = saveAsBookmarkFile();
                    if (!hasSaved)
                    {
                        return;
                    }
                }
                else if (response == DialogResult.No)
                {
                    return;
                }
                else if (response == DialogResult.Cancel)
                {
                    return;
                }
            }
            else if (this.ApplicationMode == AppMode.Open)
            {
                if (usePassword)
                {
                    if (string.IsNullOrWhiteSpace(sessionPassword))
                    {
                        TextBoxForm passwordForm = new TextBoxForm("Password", "Password", true);
                        sessionPassword = passwordForm.ShowDialog();
                    }
                }

                saveBookmarkFile_ForJSNX(sessionFilename, sessionPassword ?? string.Empty);
            }
        }

        private void fileSaveAsMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            if (this.ApplicationMode == AppMode.Clear)
            {
                return;
            }

            bool hasSaved = saveAsBookmarkFile();
            if (!hasSaved)
            {
                return;
            }
        }

        private void fileExitMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            this.Close();
        }

        private void editFindMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            FindForm findForm = new FindForm(this);
            findForm.Show();
        }

        private void viewExpandAllMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            if (this.ApplicationMode == AppMode.Clear)
            {
                return;
            }

            if (treeView1.SelectedNode == null)
            {
                treeView1.ExpandAll();
            }
            else
            {
                treeView1.SelectedNode.ExpandAll();
            }
        }

        private void viewCollapseAllMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            if (this.ApplicationMode == AppMode.Clear)
            {
                return;
            }

            if (treeView1.SelectedNode == null)
            {
                treeView1.CollapseAll();
            }
            else
            {
                treeView1.SelectedNode.Collapse(false);
            }
        }

        private void viewAlwaysOnTopMenuItem_Click(object sender, EventArgs e)
        {
            this.TopMost = !this.TopMost;

            alwaysOnTopToolStripMenuItem1.Checked = this.TopMost;
        }

        private void toolsOptionsMenuItem_Click(object sender, EventArgs e)
        {
            if (this.IsBusy)
            {
                return;
            }

            UpdateIconsForm optionForm = new UpdateIconsForm(this);
            optionForm.ShowDialog();
        }

        private void helpViewHelpMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                System.Diagnostics.Process.Start(Resources.url_help);
            }
            catch
            {
                // do nothing
            }
        }

        private void helpAboutMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                System.Diagnostics.Process.Start(Resources.url_about);
            }
            catch
            {
                // do nothing
            }
        }

        #endregion

        //protected void loadBookmarkFile(string filename, int filterIndex)
        //{
        //    sessionFilename = sessionPassword = null;
        //    usePassword = false;

        //    //sessionFilename = filename;
        //    //sessionPassword = null;
        //    //usePassword = false;

        //    if (RyzStudio.IO.SharpZipLib.IsZipEncrypted(filename))
        //    {
        //        TextBoxForm passwordForm = new TextBoxForm("Password", "Password", true);
        //        string password = string.Empty;

        //        while (true)
        //        {
        //            password = passwordForm.ShowDialog();
        //            if (string.IsNullOrWhiteSpace(password))
        //            {
        //                break;
        //            }

        //            if (RyzStudio.IO.SharpZipLib.TestZipEncrypted(filename, password))
        //            {
        //                sessionFilename = filename;
        //                sessionPassword = password;
        //                usePassword = true;

        //                loadFileType = LoadFileType.Jsnx;

        //                break;
        //            }
        //        }
        //    }

        //    switch (filterIndex)
        //    {
        //        case 1:
        //            loadFileType = LoadFileType.Jsnx;
        //            break;
        //        case 2:
        //            loadFileType = LoadFileType.Ryz;
        //            break;
        //        default:
        //            loadFileType = LoadFileType.None;
        //            break;
        //    }

        //    if (string.IsNullOrWhiteSpace(sessionFilename))
        //    {
        //        return;
        //    }

        //    this.IsBusy = true;

        //    loadFileThread.RunWorkerAsync();
        //}

        //protected void loadBookmarkFile_ForJSNX(string filename, string password = "")
        //{
        //    int size = 2048;
        //    byte[] buffer = new byte[size];
        //    int bufferSize = 0;

        //    List<BookmarkItemViewModel> rs = null;

        //    ZipEntry readEntry = null;
        //    ZipInputStream readStream = new ZipInputStream(File.OpenRead(filename));
        //    readStream.Password = password;

        //    while (true)
        //    {
        //        readEntry = readStream.GetNextEntry();
        //        if (readEntry == null)
        //        {
        //            break;
        //        }

        //        if (string.IsNullOrWhiteSpace(readEntry.Name))
        //        {
        //            continue;
        //        }

        //        if (!readEntry.IsFile)
        //        {
        //            continue;
        //        }

        //        if (!readEntry.Name.Equals("bookmarks.json"))
        //        {
        //            continue;
        //        }

        //        MemoryStream ms = new MemoryStream();
        //        buffer = new byte[size];
        //        bufferSize = 0;

        //        do
        //        {
        //            bufferSize = readStream.Read(buffer, 0, buffer.Length);
        //            ms.Write(buffer, 0, bufferSize);
        //        }
        //        while (bufferSize > 0);

        //        ms.Position = 0;

        //        StreamReader sr = new StreamReader(ms);
        //        rs = JsonConvert.DeserializeObject<List<BookmarkItemViewModel>>(sr.ReadToEnd());

        //        break;
        //    }

        //    readStream.Flush();
        //    readStream.Close();
        //    readStream.Dispose();
        //    readStream = null;

        //    treeView1.AddItem(rs);

        //    if (this.InvokeRequired)
        //    {
        //        this.Invoke(new MethodInvoker(() =>
        //        {
        //            this.ApplicationMode = AppMode.Open;
        //        }));
        //    }
        //    else
        //    {
        //        this.ApplicationMode = AppMode.Open;
        //    }

        //    RyzStudio.Windows.Forms.ThreadControl.SetText(this, Path.GetFileNameWithoutExtension(filename) + " - " + Resources.app_name);
        //}

        //protected void loadBookmarkFile_ForRYZ(string filename, string password = "")
        //{
        //    int size = 2048;
        //    byte[] buffer = new byte[size];
        //    int bufferSize = 0;

        //    List<BookmarkItemViewModel> rs = new List<BookmarkItemViewModel>();

        //    ZipEntry readEntry = null;
        //    ZipInputStream readStream = new ZipInputStream(File.OpenRead(filename));
        //    readStream.Password = password;

        //    while (true)
        //    {
        //        readEntry = readStream.GetNextEntry();
        //        if (readEntry == null)
        //        {
        //            break;
        //        }

        //        if (string.IsNullOrWhiteSpace(readEntry.Name))
        //        {
        //            continue;
        //        }

        //        if (!readEntry.IsFile)
        //        {
        //            continue;
        //        }

        //        if (!readEntry.Name.Equals("bookmarks.xml"))
        //        {
        //            continue;
        //        }

        //        MemoryStream ms = new MemoryStream();
        //        buffer = new byte[size];
        //        bufferSize = 0;

        //        do
        //        {
        //            bufferSize = readStream.Read(buffer, 0, buffer.Length);
        //            ms.Write(buffer, 0, bufferSize);
        //        }
        //        while (bufferSize > 0);

        //        ms.Position = 0;

        //        // read stream
        //        StreamReader sr = new StreamReader(ms);

        //        // load xml
        //        XmlDocument xmlDocument = new XmlDocument();
        //        xmlDocument.LoadXml(sr.ReadToEnd());

        //        // parse
        //        XmlNode xnl = xmlDocument.SelectSingleNode("bomg/b/g");
        //        if (xnl == null)
        //        {
        //            break;
        //        }

        //        string rootName = (xnl.Attributes["name"] == null) ? "Bookmarks" : (string.IsNullOrWhiteSpace(xnl.Attributes["name"].InnerText) ? "Bookmarks" : xnl.Attributes["name"].InnerText.Trim());

        //        foreach (XmlNode xn in xnl.ChildNodes)
        //        {
        //            BookmarkItemViewModel viewModel = new BookmarkItemViewModel();

        //            foreach (XmlNode xn2 in xn.ChildNodes)
        //            {
        //                switch (xn2.LocalName)
        //                {
        //                    case "name":
        //                        viewModel.SiteName = xn2.InnerText?.Trim();
        //                        break;
        //                    case "address":
        //                        viewModel.SiteAddress = xn2.InnerText?.Trim();
        //                        break;
        //                    case "description":
        //                        viewModel.SiteDescription = xn2.InnerText?.Trim();
        //                        break;
        //                    //case "created":
        //                    //    bi.Created = xn2.InnerText?.Trim();
        //                    //    break;
        //                    default:
        //                        break;
        //                }
        //            }

        //            // fix fullpath and name
        //            if (viewModel.SiteName.Contains("|"))
        //            {
        //                StringBuilder sb = new StringBuilder();
        //                sb.Append("\\");
        //                sb.Append(System.Web.HttpUtility.UrlEncode(rootName));
        //                sb.Append("\\");

        //                string[] pathParts = viewModel.SiteName.Split('|');
        //                for (int i = 0; i < (pathParts.Length - 1); i++)
        //                {
        //                    sb.Append(pathParts[i]);
        //                    //sb.Append(System.Web.HttpUtility.UrlDecode(pathParts[i]));
        //                    sb.Append("\\");
        //                }

        //                viewModel.SiteName = System.Web.HttpUtility.UrlDecode(pathParts[(pathParts.Length - 1)] ?? string.Empty);
        //                viewModel.TreeviewPath = sb.ToString();
        //            }
        //            else
        //            {
        //                viewModel.SiteName = System.Web.HttpUtility.UrlDecode(viewModel.SiteName);
        //                viewModel.TreeviewPath = string.Format("\\{0}\\", System.Web.HttpUtility.UrlEncode(rootName));
        //            }

        //            rs.Add(viewModel);
        //        }

        //        break;
        //    }

        //    readStream.Flush();
        //    readStream.Close();
        //    readStream.Dispose();
        //    readStream = null;

        //    treeView1.AddItem(rs);

        //    sessionFilename = sessionPassword = null;
        //    usePassword = !string.IsNullOrWhiteSpace(password);

        //    if (this.InvokeRequired)
        //    {
        //        this.Invoke(new MethodInvoker(() =>
        //        {
        //            this.ApplicationMode = AppMode.New;
        //        }));
        //    }
        //    else
        //    {
        //        this.ApplicationMode = AppMode.New;
        //    }

        //    RyzStudio.Windows.Forms.ThreadControl.SetText(this, Path.GetFileNameWithoutExtension(filename) + " - " + Resources.app_name);
        //}

        protected void openBookmark(TreeNode node)
        {
            if (treeView1.GetNodeType(node) != RyzStudio.Windows.Forms.BookmarkTreeView.NodeType.Page)
            {
                return;
            }

            BookmarkItemViewModel viewModel = (BookmarkItemViewModel)node.Tag;
            if (viewModel == null)
            {
                return;
            }

            if (string.IsNullOrWhiteSpace(viewModel.SiteAddress))
            {
                return;
            }

            try
            {
                System.Diagnostics.Process.Start(viewModel.SiteAddress);
            }
            catch
            {
                // do nothing
            }
        }

        protected bool saveAsBookmarkFile()
        {
            if (saveFileDialog.ShowDialog() == DialogResult.OK)
            {
                switch (saveFileDialog.FilterIndex)
                {
                    case 1:
                        saveBookmarkFile_ForJSNX(saveFileDialog.FileName);

                        this.Text = Path.GetFileNameWithoutExtension(saveFileDialog.FileName) + " - " + Properties.Resources.app_name;

                        sessionFilename = saveFileDialog.FileName;
                        usePassword = false;
                        this.ApplicationMode = AppMode.Open;
                        treeView1.HasChanged = false;
                        break;
                    case 2:
                        TextBoxForm passwordForm = new TextBoxForm("Password", "Password", true);
                        string password = passwordForm.ShowDialog();

                        saveBookmarkFile_ForJSNX(saveFileDialog.FileName, password ?? string.Empty);

                        this.Text = Path.GetFileNameWithoutExtension(saveFileDialog.FileName) + " - " + Properties.Resources.app_name;

                        sessionFilename = saveFileDialog.FileName;
                        sessionPassword = password;
                        usePassword = true;
                        this.ApplicationMode = AppMode.Open;
                        treeView1.HasChanged = false;
                        break;
                    default: break;
                }

                return true;
            }
            else
            {
                return false;
            }
        }

        protected void saveBookmarkFile_ForJSNX(string filename, string password = "")
        {
            List<BookmarkItemViewModel> rs = treeView1.GetBookmarkList();

            int size = 2048;
            byte[] buffer = new byte[size];
            int bufferSize = 0;

            ZipOutputStream zipStream = new ZipOutputStream(File.Create(filename));
            zipStream.SetLevel(9);
            zipStream.Password = password;

            // stream
            MemoryStream ms = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(rs)));
            ms.Position = 0;

            // write file entry
            zipStream.PutNextEntry(new ZipEntry("bookmarks.json"));

            buffer = new byte[size];
            bufferSize = 0;

            do
            {
                bufferSize = ms.Read(buffer, 0, buffer.Length);
                zipStream.Write(buffer, 0, bufferSize);
            }
            while (bufferSize > 0);

            ms.Flush();
            ms.Close();
            ms.Dispose();
            ms = null;

            zipStream.Finish();
            zipStream.Flush();
            zipStream.Close();
            zipStream.Dispose();
            zipStream = null;

            treeView1.HasChanged = false;
        }

        protected void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            if (e.Button != MouseButtons.Right)
            {
                return;
            }

            switch (treeView1.SNode.GetNodeType())
            {
                case RyzStudio.Windows.Forms.BookmarkTreeView.NodeType.Root:
                    rootTreeNodeMenu.Show(e.Node.TreeView, e.X, e.Y);
                    break;
                case RyzStudio.Windows.Forms.BookmarkTreeView.NodeType.Folder:
                    folderTreeNodeMenu.Show(e.Node.TreeView, e.X, e.Y);
                    break;
                case RyzStudio.Windows.Forms.BookmarkTreeView.NodeType.Page:
                    pageTreeNodeMenu.Show(e.Node.TreeView, e.X, e.Y);
                    break;
                default:
                    break;
            }
        }

        protected void treeView1_NodeMouseDoubleClick(object sender, TreeNodeMouseClickEventArgs e) => openBookmark(e.Node);

        protected void treeView1_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
        {
            TreeNode tn = treeView1.SelectedNode;
            if (tn == null)
            {
                return;
            }

            NodeType nodeType = treeView1.SNode.GetNodeType();

            switch (e.KeyCode)
            {
                case Keys.Apps:
                    treeView1_NodeMouseClick(sender, new TreeNodeMouseClickEventArgs(tn, MouseButtons.Right, 1, tn.Bounds.X, tn.Bounds.Y));
                    return;
                case Keys.Enter:
                    openBookmark(tn);
                    break;
                case Keys.F2:
                    if (nodeType == NodeType.Page)
                    {
                        (new BookmarkEditForm(treeView1)).ShowDialog();
                    }

                    break;
                case Keys.Insert:
                    if (e.Modifiers != Keys.Shift)
                    {
                        if ((nodeType == NodeType.Root) || (nodeType == NodeType.Folder))
                        {
                            (new BookmarkEditForm(treeView1)).ShowDialog();
                        }
                        else if (nodeType == NodeType.Page)
                        {
                            treeView1.SelectedNode = tn.Parent;

                            (new BookmarkEditForm(treeView1)).ShowDialog();
                        }
                    }

                    break;
                default: break;
            }
        }

        #region root context menu

        private void addPageContextMenu_Click(object sender, EventArgs e) => (new BookmarkEditForm(treeView1)).ShowDialog();

        private void addFolderContextMenu_Click(object sender, EventArgs e) => treeView1.SelectedNode = treeView1.SNode.AddFolder();

        private void editContextMenu_Click(object sender, EventArgs e) => treeView1.SNode.Edit();

        private void sortContextMenu_Click(object sender, EventArgs e) => treeView1.SNode.Sort();

        #endregion

        #region folder context menu

        private void addPageContextMenu2_Click(object sender, EventArgs e) => (new BookmarkEditForm(treeView1)).ShowDialog();

        private void addFolderContextMenu2_Click(object sender, EventArgs e) => treeView1.SelectedNode = treeView1.SNode.AddFolder();

        private void openAllContextMenu_Click(object sender, EventArgs e)
        {
            if (treeView1.SelectedNode == null)
            {
                return;
            }

            if (treeView1.SelectedNode.Nodes.Count <= 0)
            {
                return;
            }

            foreach (TreeNode item in treeView1.SelectedNode.Nodes)
            {
                openBookmark(item);
            }
        }

        private void editContextMenu2_Click(object sender, EventArgs e) => treeView1.SNode.Edit();

        private void deleteContextMenu_Click(object sender, EventArgs e) => treeView1.SNode.Delete();

        private void sortContextMenu2_Click(object sender, EventArgs e) => treeView1.SNode.Sort();

        private void moveUpContextMenu_Click(object sender, EventArgs e) => treeView1.SNode.MoveUp();

        private void moveDownContextMenu_Click(object sender, EventArgs e) => treeView1.SNode.MoveDown();

        #endregion

        #region page context menu

        private void openContextMenu_Click(object sender, EventArgs e) => openBookmark(treeView1.SelectedNode);

        private void editContextMenu3_Click(object sender, EventArgs e) => (new BookmarkEditForm(treeView1)).ShowDialog();

        private void deleteContextMenu2_Click(object sender, EventArgs e) => treeView1.SNode.Delete();

        private void moveUpContextMenu2_Click(object sender, EventArgs e) => treeView1.SNode.MoveUp();

        private void moveDownContextMenu2_Click(object sender, EventArgs e) => treeView1.SNode.MoveDown();

        #endregion

        protected void treeView1_OnNodeChanged(object sender, EventArgs e)
        {
            if (this.InvokeRequired)
            {
                this.Invoke(new MethodInvoker(() => {
                    this.AllowSave = treeView1.HasChanged;
                }));
            }
            else
            {
                this.AllowSave = treeView1.HasChanged;
            }
        }


        public void ClearSession()
        {
            sessionFilename = sessionPassword = null;
            usePassword = false;
        }

        public void SetSessionFile(string filename, string password)
        {
            sessionFilename = filename;
            sessionPassword = password;
            usePassword = !string.IsNullOrWhiteSpace(password);

            string ext = Path.GetExtension(filename).Trim('.').ToLower();
            if (ext.Equals("jsnx"))
            {
                loadFileType = LoadFileType.Jsnx;
            }
            else if (ext.Equals("ryz"))
            {
                loadFileType = LoadFileType.Ryz;
            }
            else
            {
                loadFileType = LoadFileType.None;
            }

            ThreadControl.SetText(this, Path.GetFileNameWithoutExtension(sessionFilename) + " - " + Resources.app_name);
        }

        public void SetBookmarkItem(List<BookmarkItemViewModel> itmes)
        {
            treeView1.AddItem(itmes);
        }



        //private void loadFileThread_DoWork(object sender, DoWorkEventArgs e)
        //{
        //    if (loadFileType == LoadFileType.Jsnx)
        //    {
        //        loadBookmarkFile_ForJSNX(sessionFilename, sessionPassword ?? string.Empty);
        //    }
        //    else if (loadFileType == LoadFileType.Ryz)
        //    {
        //        loadBookmarkFile_ForRYZ(sessionFilename, sessionPassword ?? string.Empty);
        //    }
        //}

        //private void loadFileThread_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        //{
        //    this.IsBusy = false;
        //    saveMenuBarItem.Enabled = saveFileMenuItem.Enabled = false;
        //}

    }
}