using PackExplorer.Pack;
using PackExplorer.Pack.IO;
using PackExplorer.Pack.Structure;
using PackExplorer.Pack.Util;
using PackExplorer.PackAdv;
using PackExplorer.PackAdv.Structure;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices.ComTypes;
using System.Windows.Forms;

namespace PackExplorer.UI
{
	public class MainForm : Form
	{
		private IContainer components;

		private TreeView packTreeView;

		private MenuStrip menuStrip1;

		private ToolStripMenuItem fileToolStripMenuItem;

		private ToolStripMenuItem openToolStripMenuItem;

		private ToolStripMenuItem extractToolStripMenuItem;

		private ToolStripMenuItem extractAllToolStripMenuItem;

		private DataHrc dataHierarchy;

		private string oldHeader = "data.hd";

		private string newHeader = "pack.hdr";

		protected override void Dispose(bool disposing)
		{
			if (disposing && components != null)
			{
				components.Dispose();
			}
			Dispose(disposing);
		}

		private void InitializeComponent()
		{
			packTreeView = new TreeView();
			menuStrip1 = new MenuStrip();
			fileToolStripMenuItem = new ToolStripMenuItem();
			openToolStripMenuItem = new ToolStripMenuItem();
			extractToolStripMenuItem = new ToolStripMenuItem();
			extractAllToolStripMenuItem = new ToolStripMenuItem();
			menuStrip1.SuspendLayout();
			SuspendLayout();
			packTreeView.Dock = DockStyle.Fill;
			packTreeView.Location = new Point(0, 24);
			packTreeView.Name = "packTreeView";
			packTreeView.Size = new Size(292, 242);
			packTreeView.TabIndex = 0;
			menuStrip1.Items.AddRange(new ToolStripItem[1]
			{
				fileToolStripMenuItem
			});
			menuStrip1.Location = new Point(0, 0);
			menuStrip1.Name = "menuStrip1";
			menuStrip1.Size = new Size(292, 24);
			menuStrip1.TabIndex = 1;
			menuStrip1.Text = "menuStrip1";
			fileToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[3]
			{
				openToolStripMenuItem,
				extractToolStripMenuItem,
				extractAllToolStripMenuItem
			});
			fileToolStripMenuItem.Name = "fileToolStripMenuItem";
			fileToolStripMenuItem.Size = new Size(37, 20);
			fileToolStripMenuItem.Text = "File";
			openToolStripMenuItem.Name = "openToolStripMenuItem";
			openToolStripMenuItem.Size = new Size(152, 22);
			openToolStripMenuItem.Text = "Open";
			openToolStripMenuItem.Click += new EventHandler(openToolStripMenuItem_Click);
			extractToolStripMenuItem.Name = "extractToolStripMenuItem";
			extractToolStripMenuItem.Size = new Size(152, 22);
			extractToolStripMenuItem.Text = "Extract";
			extractToolStripMenuItem.Click += new EventHandler(extractToolStripMenuItem_Click);
			extractAllToolStripMenuItem.Name = "extractAllToolStripMenuItem";
			extractAllToolStripMenuItem.Size = new Size(152, 22);
			extractAllToolStripMenuItem.Text = "ExtractAll";
			extractAllToolStripMenuItem.Click += new EventHandler(extractAllToolStripMenuItem_Click);
			AutoScaleDimensions = new SizeF(7f, 12f);
			AutoScaleMode = AutoScaleMode.Font;
			ClientSize = new Size(292, 266);
			Controls.Add(packTreeView);
			Controls.Add(menuStrip1);
            MainMenuStrip = menuStrip1;
			Name = "MainForm";
			Text = "Form1";
			menuStrip1.ResumeLayout(false);
			menuStrip1.PerformLayout();
			ResumeLayout(false);
			PerformLayout();
		}

		public MainForm()
		{
			InitializeComponent();
		}

		private void ShowTree(DataHrc dataHierarchy)
		{
			packTreeView.Nodes.Clear();
			Folder root = dataHierarchy.Root;
			AddToTree(root, packTreeView.Nodes);
			packTreeView.Refresh();
		}

		private void AddToTree(Folder folder, TreeNodeCollection collection)
		{
			TreeNodeCollection treeNodeCollection = collection;
			TreeNode treeNode = new TreeNode(folder.Name);
			if (folder.Name.Length != 0)
			{
				treeNode.Tag = folder;
				collection.Add(treeNode);
				treeNodeCollection = treeNode.Nodes;
			}
			for (int i = 0; i < folder.FolderCount; i++)
			{
				Folder folder2 = folder.GetFolder(i);
				AddToTree(folder2, treeNodeCollection);
			}
			for (int j = 0; j < folder.FileCount; j++)
			{
                Pack.Structure.File file = folder.GetFile(j);
				TreeNode treeNode2 = new TreeNode(file.Name);
				treeNode2.Tag = file;
				treeNodeCollection.Add(treeNode2);
			}
		}

		private void openToolStripMenuItem_Click(object sender, EventArgs e)
		{
			FileDialog fileDialog = new OpenFileDialog();
			fileDialog.Filter = string.Format("Pack Header({0}, {1})|{0};{1}", oldHeader, newHeader);
			DialogResult dialogResult = fileDialog.ShowDialog();
			if (dialogResult == DialogResult.OK)
			{
				string text = fileDialog.FileName.Replace("\\", "/");
				string[] separator = new string[1]
				{
					"/"
				};
				List<string> list = new List<string>(text.Split(separator, StringSplitOptions.RemoveEmptyEntries));
				text = list[list.Count - 1].ToLower();
				if (text == oldHeader)
				{
					Stream stream = null;
					Stream stream2 = null;
					try
					{
						string fileName = fileDialog.FileName;
						stream = new FileStream(fileName, FileMode.Open);
						string path = fileName.Substring(0, fileName.Length - 3) + ".pak";
						stream2 = new FileStream(path, FileMode.Open);
						Pack.PackData packData = new Pack.PackData();
						packData.Load(stream, stream2);
						dataHierarchy = new Pack.Structure.DataHierarchy(packData);
						ShowTree(dataHierarchy);
					}
					catch (Exception ex)
					{
						MessageBox.Show(ex.Message);
						stream?.Close();
						stream2?.Close();
					}
				}
				else if (text == newHeader)
				{
					try
					{
                        PackAdv.PackData packData2 = new PackAdv.PackData();
						packData2.Load(fileDialog.FileName);
						dataHierarchy = new PackAdv.Structure.DataHierarchy(packData2);
						ShowTree(dataHierarchy);
					}
					catch (Exception ex2)
					{
						MessageBox.Show(ex2.Message);
					}
				}
			}
		}



		private void extractToolStripMenuItem_Click(object sender, EventArgs e)
		{
			if (dataHierarchy == null)
			{
				return;
			}
			TreeNode selectedNode = packTreeView.SelectedNode;
			if (selectedNode == null)
			{
				return;
			}
			AskDestinationForm askDestinationForm = new AskDestinationForm();
			DialogResult dialogResult = askDestinationForm.ShowDialog();

            

			if (dialogResult == DialogResult.OK)
			{
                string destinationPath = askDestinationForm.DestinationPath;
				string fullPath = selectedNode.FullPath;
				fullPath = Pack.Util.Path.FormatPath(fullPath);
				FileWriter fileWriter = new FileWriter();
				
				if (selectedNode.Tag is Pack.Structure.File)
				{
					dataHierarchy.ExtractFileTo(destinationPath, fullPath, fileWriter);
				}
				else
				{
					dataHierarchy.ExtractFolderTo(destinationPath, fullPath, fileWriter);
				}
			}
		}

		private void extractAllToolStripMenuItem_Click(object sender, EventArgs e)
		{
			if (dataHierarchy != null)
			{
				AskDestinationForm askDestinationForm = new AskDestinationForm();
				DialogResult dialogResult = askDestinationForm.ShowDialog();
				if (dialogResult == DialogResult.OK)
				{
					string destinationPath = askDestinationForm.DestinationPath;
					FileWriter fileWriter = new FileWriter();
					dataHierarchy.ExtractAllTo(destinationPath, fileWriter);
				}
			}
		}
	}
}