#region using

using System;
using BlogEngine.Core;
using BlogEngine.Core.Web.Controls;

#endregion

/// <summary>
/// Converts ASCII smilies into real smilies in the comments.
/// </summary>
/// <remarks>
/// Based on the extension by John Knipper - http://www.happytocode.com
/// </remarks>
[Extension("Converts ASCII smilies into real smilies in the comments", "1.3", "BlogEngine.NET")]
public class Smilies
{

  static Smilies()
  {
    Comment.Serving += new EventHandler<ServingEventArgs>(Post_CommentServing);
  }

  private const string LINK = "<img src=\"{0}editors/tiny_mce3/plugins/emotions/img/smiley-{1}.gif\" class=\"flag\" alt=\"{2}\" />";

  /// <summary>
  /// The event handler that is triggered every time a comment is served to a client.
  /// </summary>
  private static void Post_CommentServing(object sender, ServingEventArgs e)
  {    
    if (!string.IsNullOrEmpty(e.Body))
    {
      e.Body = e.Body.Replace("(H)", Convert("cool", "Cool"));
      e.Body = e.Body.Replace(":'(", Convert("cry", "Cry"));
      e.Body = e.Body.Replace(":$", Convert("embarassed", "Embarassed"));
      e.Body = e.Body.Replace(":|", Convert("foot-in-mouth", "Foot"));
      e.Body = e.Body.Replace(":(", Convert("frown", "Frown"));
      e.Body = e.Body.Replace("(A)", Convert("innocent", "Innocent"));
      e.Body = e.Body.Replace("(K)", Convert("kiss", "Kiss"));
      e.Body = e.Body.Replace(":D", Convert("laughing", "Laughing"));
      e.Body = e.Body.Replace("($)", Convert("money-mouth", "Money"));
      e.Body = e.Body.Replace(":-#", Convert("sealed", "Sealed"));
      e.Body = e.Body.Replace(":)", Convert("smile", "Smile"));
      e.Body = e.Body.Replace(":-)", Convert("smile", "Smile"));
      e.Body = e.Body.Replace(":-O", Convert("surprised", "Surprised"));
      e.Body = e.Body.Replace(":P", Convert("tongue-out", "Tong"));
      e.Body = e.Body.Replace("*-)", Convert("undecided", "Undecided"));
      e.Body = e.Body.Replace(";-)", Convert("wink", "Wink"));
      e.Body = e.Body.Replace("8o|", Convert("yell", "Yell"));
    }
  }

  /// <summary>
  /// Formats the anchor and inserts the right smiley image.
  /// </summary>
  private static string Convert(string name, string alt)
  {
    return string.Format(LINK, Utils.RelativeWebRoot, name, alt);
  }
}