using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static ShiftOS.Objects.ShiftFS.Utils;

using ShiftOS.Engine;
using ShiftOS.Objects.ShiftFS;
using System.Threading;

namespace ShiftOS.MFSProfiler
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            SetupTree();
        }

        public void SetupTree()
        {
            tvfiles.Nodes.Clear();

            foreach(var dir in Mounts)
            {
                var mountNode = new TreeNode();
                mountNode.Text = dir.Name;
                mountNode.Tag = Mounts.IndexOf(dir).ToString() + ":";

                RecursiveDirectoryAdd(mountNode);

                tvfiles.Nodes.Add(mountNode);
            }
        }

        public void RecursiveDirectoryAdd(TreeNode node)
        {
            foreach (var dir in GetDirectories(node.Tag.ToString()))
            {
                var dirInf = GetDirectoryInfo(dir);
                var child = new TreeNode();
                child.Text = dirInf.Name;
                child.Tag = dir;
                RecursiveDirectoryAdd(child);
                node.Nodes.Add(child);
                node.Expand();
            }
            foreach (var dir in GetFiles(node.Tag.ToString()))
            {
                var dirInf = GetFileInfo(dir);
                var child = new TreeNode();
                child.Text = dirInf.Name;
                child.Tag = dir;
                node.Nodes.Add(child);
                node.Expand();
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            var opener = new OpenFileDialog();
            opener.Filter = "Mini Filesystem|*.mfs";
            opener.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
            opener.Title = "Mount filesystem";
            if(opener.ShowDialog() == DialogResult.OK)
            {
                Mount(System.IO.File.ReadAllText(opener.FileName));
                SetupTree();
            }
        }

        private void tvfiles_AfterSelect(object sender, TreeViewEventArgs e)
        {
            try
            {
                if (FileExists(tvfiles.SelectedNode.Tag.ToString()))
                {
                    pnlfileinfo.BringToFront();

                    txtascii.Text = ReadAllText(tvfiles.SelectedNode.Tag.ToString());
                    txtbinary.Text = "";
                    var finf = GetFileInfo(tvfiles.SelectedNode.Tag.ToString());
                    var t = new Thread(new ThreadStart(() =>
                    {
                        foreach (var b in finf.Data)
                        {
                            txtbinary.Invoke(new Action(() =>
                            {
                                txtbinary.Text += b.ToString() + " ";
                            }));
                        }
                    }));
                    t.IsBackground = true;
                    t.Start();


                    lbfileinfo.Text = $@"Name: {finf.Name}
Permissions: {finf.permissions}
Size: {finf.Data.Length}
System path: {tvfiles.SelectedNode.Tag.ToString()}";
                }
            } catch { }
        }
    }
}