//
// DirectoryAlbumArtworkConfig.cs
//
// Author:
//   Jacob Johnston (jacobj@inchoatethoughts.com)
//
// Copyright (C) 2009 Jacob Johnston
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as 
// published by the Free Software Foundation, either version 3 of 
// the License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows;

namespace ZenLibrary.Rules
{
    /// <summary>
    /// Interaction logic for DirectoryAlbumArtworkConfig.xaml
    /// </summary>
    public partial class DirectoryAlbumArtworkConfig : Window
    {
        string invalidCharacters = string.Empty;

        public DirectoryAlbumArtworkConfig()
        {
            InitializeComponent();

            // We want to allow only valid filename characters
            // plus the * (wildcard) character. This builds a
            // a list for use in sanitation of input later.
            StringBuilder chars = new StringBuilder();
            chars.Append('[');
            foreach (char invalidChar in Path.GetInvalidFileNameChars())
                if (invalidChar != '*')
                    chars.Append(invalidChar);
            chars.Append(']');
            invalidCharacters = chars.ToString();
        }

        private void okButton_Click(object sender, RoutedEventArgs e)
        {
            this.DialogResult = true;
        }

        private void cancelButton_Click(object sender, RoutedEventArgs e)
        {
            this.DialogResult = false;
        }

        private void addButton_Click(object sender, RoutedEventArgs e)
        {
            string input = ArtworkFileInput.Text; 
            
            // Sanitize input
            input = Regex.Replace(input, invalidCharacters, string.Empty);

            // Trim trailing/leading whitespace.
            input = input.Trim();

            if (input.Length > 0)
                FileList.Items.Add(input);
        }

        private void deleteButton_Click(object sender, RoutedEventArgs e)
        {
            if(FileList.SelectedItem != null)
                FileList.Items.Remove(FileList.SelectedItem);
        }
    }
}