using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Forms;
using System.IO;

namespace WpfApp1
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void mnuOpen_Click(object sender, RoutedEventArgs e)
        {
            //MessageBox.Show("Open");

            var dlg = new FolderBrowserDialog() { Description = "Select directory to open" };
            DialogResult dlgResult = dlg.ShowDialog();

            //if (dlgResult == DialogResult.OK)
            {
                //string[] files = Directory.GetFiles(dlg.SelectedPath);

                string selectedFolder = string.Empty;
                selectedFolder = dlg.SelectedPath;
                if (selectedFolder == "")
                    return;
                DirectoryInfo dir = new DirectoryInfo(selectedFolder);
                //addSubdirs(dir, trv);
                foreach (var directory in dir.GetDirectories("*"))
                {
                    //ratWalk.LoadFromFile(file.FullName);
                    //
                    var item = new TreeViewItem
                    {
                        Header = directory.Name,
                        Tag = directory.FullName
                    };
                    //root.Items.Add(item);
                    addSubdirs(directory, item);
                    addFiles(directory, item);
                    trv.Items.Add(item);
                }
                foreach (var file in dir.GetFiles("*"))
                {
                    //ratWalk.LoadFromFile(file.FullName);
                    //
                    var item = new TreeViewItem
                    {
                        Header = file.Name,
                        Tag = file.FullName
                    };
                    //root.Items.Add(item);
                    trv.Items.Add(item);
                }
            }

        }
        private void addSubdirs(DirectoryInfo dir, TreeViewItem currentRoot)
        {
            foreach (var directory in dir.GetDirectories("*"))
            {
                var item = new TreeViewItem
                {
                    Header = directory.Name,
                    Tag = directory.FullName
                };
                //root.Items.Add(item);
                addSubdirs(directory, item);
                addFiles(directory, item);

                currentRoot.Items.Add(item);
            }
        }
        private void addFiles(DirectoryInfo dir, TreeViewItem currentRoot)
        {
            foreach (var file in dir.GetFiles("*"))
            {
                var item = new TreeViewItem
                {
                    Header = file.Name,
                    Tag = file.FullName
                };
                currentRoot.Items.Add(item);
            }
        }


        /*
        // Display the appropriate context menu.
        private void trv_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            // Make sure this is the right button.
            if (e.Button != MouseButtons.Right) return;

            // Select this node.
            //TreeNode node_here = trv.GetNodeAt(e.X, e.Y);
            TreeNode node_here = trv.;
            trv.SelectedNode = node_here;

            // See if we got a node.
            if (node_here == null) return;

            // See what kind of object this is and
            // display the appropriate popup menu.
            if (node_here.Tag is FactoryData)
                ctxFactory.Show(trvOrg, new Point(e.X, e.Y));
            else if (node_here.Tag is GroupData)
                ctxGroup.Show(trvOrg, new Point(e.X, e.Y));
            else if (node_here.Tag is PersonData)
                ctxPerson.Show(trvOrg, new Point(e.X, e.Y));
        }*/

        /*
        private TreeNode m_OldSelectNode;
        private void trv_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            // Show menu only if the right mouse button is clicked.
            if (e.Button == MouseButtons.Right)
            {

                // Point where the mouse is clicked.
                Point p = new Point(e.X, e.Y);

                // Get the node that the user has clicked.
                TreeNode node = trv.GetNodeAt(p);
                if (node != null)
                {

                    // Select the node the user has clicked.
                    // The node appears selected until the menu is displayed on the screen.
                    m_OldSelectNode = trv.SelectedNode;
                    trv.SelectedNode = node;

                    // Find the appropriate ContextMenu depending on the selected node.
                    switch (Convert.ToString(node.Tag))
                    {
                        case "TextFile":
                            mnuTextFile.Show(treeView1, p);
                            break;
                        case "File":
                            mnuFile.Show(treeView1, p);
                            break;
                    }

                    // Highlight the selected node.
                    treeView1.SelectedNode = m_OldSelectNode;
                    m_OldSelectNode = null;
                }
            }
        }*/

        private void trv_SelChg(object sender, RoutedPropertyChangedEventArgs<object> e)
        {
            Console.WriteLine("asdfsd");
            Console.WriteLine(((TreeViewItem)e.NewValue).Tag.ToString());

            FileAttributes attributes = File.GetAttributes(((TreeViewItem)e.NewValue).Tag.ToString());
            String attr_str="rahs";


            if ((attributes & FileAttributes.ReadOnly) != FileAttributes.ReadOnly)
            {
                attr_str = attr_str.Replace('r', '-');
            }
            if ((attributes & FileAttributes.Archive) != FileAttributes.Archive)
            {
                attr_str = attr_str.Replace('a', '-');
            }
            if ((attributes & FileAttributes.Hidden) != FileAttributes.Hidden)
            {
                attr_str = attr_str.Replace('h', '-');
            }
            if ((attributes & FileAttributes.System) != FileAttributes.System)
            {
                attr_str = attr_str.Replace('s', '-');
            }

            sbtxt.Text = attr_str;

            if (e.NewValue.ToString().Contains(".txt"))
            {
                using (var textReader = File.OpenText(((TreeViewItem)e.NewValue).Tag.ToString()))
                {
                    string text = textReader.ReadToEnd();
                    txtBlock.Text = text;
                }


            }
            else
            {
                txtBlock.Text = "";
            }
        }

    }
}