MainWindow.xaml.cs

﻿using Microsoft.Win32;
using Microsoft.WindowsAPICodePack.Dialogs;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
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 Path = System.IO.Path;

namespace renameify
{
	/// <summary>
	/// Interaction logic for MainWindow.xaml
	/// </summary>
	public partial class MainWindow : Window
	{
		bool ShowPath = true;
		bool HideHidden = true;
		public MainWindow()
		{
			InitializeComponent();
		}

		#region UtilityFunctions

		bool ValidateInput()
		{
			if (!IsValidFilename(PrependTextBox.Text))
			{
				MessageBox.Show("Illegal character in prepend text box");
				return false;
			}
			if (!IsValidFilename(PrependTextBox.Text))
			{
				MessageBox.Show("Illegal character in the append text box");
				return false;
			}
			return true;
		}

		private bool IsValidFilename(string testName)
		{
			Console.WriteLine(System.IO.Path.GetInvalidPathChars());
			Regex containsABadCharacter = new Regex("[" + Regex.Escape(new string(System.IO.Path.GetInvalidPathChars())) + "/\\:"+ "]");
			if (containsABadCharacter.IsMatch(testName)) { return false; };

			return true;
		}

		private bool ShouldIgnore(string filepath)
		{
			string fDir = Path.GetDirectoryName(filepath);
			string fName = Path.GetFileNameWithoutExtension(filepath);
			string fExt = Path.GetExtension(filepath);
			if (HideHidden)
			{
				if (fName.Length == 0) return true;
				if (fName[0] == '.') return true;
			}
			if (IgnoreTextBox.Text.Length != 0)
			{
				if (fName.Contains(IgnoreTextBox.Text)) return true;
			}
			return false;
		}


		private void DirRename(string sDir)
		{
			if (!ValidateInput())
			{
				return;
			}
			//TODO need to make sure this works properly for all characters

			//Currently thrown away may want to return them
			List<String> oldfilenames = new List<String>();
			List<String> newfilenames = new List<String>();
			try
			{
				foreach (string f in Directory.GetFiles(sDir))
				{
					if (ShouldIgnore(f)) continue;
					oldfilenames.Add(f);
					File.Move(f, RenameItem(f));
					newfilenames.Add(f);
				}
				foreach (string d in Directory.GetDirectories(sDir))
				{
					//recursive, if I'm going to return filenames need to add this in here
					DirRename(d);
				}
			}
			catch (System.Exception excpt)
			{
				MessageBox.Show(excpt.Message);
			}
		}

		private List<String> DirSearch(string sDir)
		{
			List<String> files = new List<String>();

			if (!ValidateInput())
			{
				return files;
			}

			try
			{
				//add every file in dir
				foreach (string f in Directory.GetFiles(sDir))
				{
					if (ShouldIgnore(f)) continue;
					files.Add(RenameItem(f, ShowPath));
				}
				//recursive add every file in subdirs
				foreach (string d in Directory.GetDirectories(sDir))
				{
					files.AddRange(DirSearch(d));
				}
			}
			catch (System.Exception excpt)
			{
				MessageBox.Show(excpt.Message);
			}

			return files;
		}
		private string RenameItem(string filepath, bool addFDir = true)
		{
			string fDir = Path.GetDirectoryName(filepath);
			string fName = Path.GetFileNameWithoutExtension(filepath);
			string fExt = Path.GetExtension(filepath);

			if (FindTextBox.Text.Length > 0)
			{
				fName = fName.Replace(FindTextBox.Text, ReplaceTextBox.Text);
			}

			if(addFDir) return Path.Combine(fDir, String.Concat(PrependTextBox.Text, fName, AppendTextBox.Text, fExt));
			else return Path.Combine(String.Concat(PrependTextBox.Text, fName, AppendTextBox.Text, fExt));
		}

		public void copyFiles(string sDir, string destDir, string text)
		{
			char[] seperators = { ',' };
			List<string> filenames = new List<string>(text.Split(seperators));

			Console.WriteLine(filenames);

			foreach (string f in Directory.GetFiles(sDir))
			{
				string fName = Path.GetFileName(f);
				Console.WriteLine(f);
				if (filenames.Contains(fName))
				{
					Console.WriteLine("file is found here");
					Console.WriteLine(f);
					string destpath = Path.Combine(destDir, fName);
					File.Copy(f, destpath);
				}
			}
			foreach (string d in Directory.GetDirectories(sDir))
			{
				//recursive, if I'm going to return filenames need to add this in here
				copyFiles(d, destDir, text);
			}
		}

		public void preview()
		{
			if (Directory.Exists(FilePathTextBox.Text))
			{
				List<String> files = DirSearch(FilePathTextBox.Text);
				lbFiles.Items.Clear();
				foreach (string filename in files)
					lbFiles.Items.Add(filename);
			}
		}

		#endregion

		#region xamlfunctions
		private void LoadPath_Click(object sender, RoutedEventArgs e)
		{
			var dialog = new CommonOpenFileDialog();
			dialog.IsFolderPicker = true;
			CommonFileDialogResult result = dialog.ShowDialog();
			if (result == CommonFileDialogResult.Ok)
			{
				FilePathTextBox.Text = dialog.FileName;
			}
			else if (result == CommonFileDialogResult.Cancel)
			{
				//Do nothing its better to leave the text as is
				//FilePathTextBox.Text = "";
			}
			preview();
		}		
		
		private void LoadPathToCopyTo_Click(object sender, RoutedEventArgs e)
		{
			var dialog = new CommonOpenFileDialog();
			dialog.IsFolderPicker = true;
			CommonFileDialogResult result = dialog.ShowDialog();
			if (result == CommonFileDialogResult.Ok)
			{
				copyFromTextBox.Text = dialog.FileName;
			}
			else if (result == CommonFileDialogResult.Cancel)
			{
				//Do nothing its better to leave the text as is
				//FilePathTextBox.Text = "";
			}
			preview();
		}
		private void SaveFiles_Click(object sender, RoutedEventArgs e)
		{
			if (Directory.Exists(FilePathTextBox.Text))
			{
				DirRename(FilePathTextBox.Text);
				MessageBox.Show("Renamed files");
			}
			preview();
		}

		private void CopyFiles_Click(object sender, RoutedEventArgs e)
		{
			if (Directory.Exists(copyFromTextBox.Text) & Directory.Exists(FilePathTextBox.Text))
			{
				copyFiles(copyFromTextBox.Text, FilePathTextBox.Text, LewisStupidCopyBox.Text);
				MessageBox.Show("Copied files");
			}
			preview();
		}

		private void Exit_Click(object sender, RoutedEventArgs e)
		{
			System.Windows.Application.Current.Shutdown();
		}
		#endregion

		private void ShowPath_Checked(object sender, RoutedEventArgs e)
		{
			ShowPath = !ShowPath;
			//reload the files
			preview();
		}

		private void IncludeHiddenFiles_Checked(object sender, RoutedEventArgs e)
		{
			HideHidden = !HideHidden;
			//reload the files
			preview();
		}

		private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
		{
			preview();
		}
	}
}