using System;
using System.Collections;
using System.Text;
using com.drew.metadata;
using com.drew.lang;
using com.utils;
using System.Globalization;

/// <summary>
/// This class was first written by Drew Noakes in Java.
///
/// This is public domain software - that is, you can do whatever you want
/// with it, and include it software that is licensed under the GNU or the
/// BSD license, or whatever other licence you choose, including proprietary
/// closed source licenses.  I do ask that you leave this header in tact.
///
/// If you make modifications to this code that you think would benefit the
/// wider community, please send me a copy and I'll post it on my site.
///
/// If you make use of this code, Drew Noakes will appreciate hearing 
/// about it: <a href="mailto:drew@drewnoakes.com">drew@drewnoakes.com</a>
///
/// Latest Java version of this software kept at 
/// <a href="http://drewnoakes.com">http://drewnoakes.com/</a>
///
/// The C# class was made by Ferret Renaud: 
/// <a href="mailto:renaud91@free.fr">renaud91@free.fr</a>
/// If you find a bug in the C# code, feel free to mail me.
/// </summary>
namespace com.drew.metadata.exif
{
	/// <summary>
	/// This class represents EXIF INTEROP marker note.
	/// </summary>
	public class ExifInteropDirectory : Directory 
	{
		public const int TAG_INTEROP_INDEX = 0x0001;
		public const int TAG_INTEROP_VERSION = 0x0002;
		public const int TAG_RELATED_IMAGE_FILE_FORMAT = 0x1000;
		public const int TAG_RELATED_IMAGE_WIDTH = 0x1001;
		public const int TAG_RELATED_IMAGE_LENGTH = 0x1002;

		protected static readonly ResourceBundle BUNDLE = new ResourceBundle("ExifInteropMarkernote");
		protected static readonly IDictionary tagNameMap = ExifInteropDirectory.InitTagMap();

		/// <summary>
		/// Initialize the tag map.
		/// </summary>
		/// <returns>the tag map</returns>
		private static IDictionary InitTagMap() 
		{
			// Create a Hashtable using a case-insensitive code provider and a case-insensitive comparer,
			// based on the Spanish culture (es-AR), where "I" is not the uppercase version of "i".
			CultureInfo myCul = new CultureInfo( "es-AR" );
			IDictionary resu = new Hashtable( new CaseInsensitiveHashCodeProvider( myCul ), new CaseInsensitiveComparer( myCul ));
						
			//IDictionary resu = new Hashtable();		
			resu.Add(TAG_INTEROP_INDEX,	BUNDLE["TAG_INTEROP_INDEX"]);
			resu.Add(TAG_INTEROP_VERSION, BUNDLE["TAG_INTEROP_VERSION"]);
			resu.Add(TAG_RELATED_IMAGE_FILE_FORMAT, BUNDLE["TAG_RELATED_IMAGE_FILE_FORMAT"]);
			resu.Add(TAG_RELATED_IMAGE_WIDTH, BUNDLE["TAG_RELATED_IMAGE_WIDTH"]);
			resu.Add(TAG_RELATED_IMAGE_LENGTH, BUNDLE["TAG_RELATED_IMAGE_LENGTH"]);
			return resu;
		}

		/// <summary>
		/// Constructor of the object.
		/// </summary>
		public ExifInteropDirectory() : base()
		{
			this.SetDescriptor(new ExifInteropDescriptor(this));
		}

		/// <summary>
		/// Provides the name of the directory, for display purposes.  E.g. Exif 
		/// </summary>
		/// <returns>the name of the directory</returns>
		public override string GetName() 
		{
			return BUNDLE["MARKER_NOTE_NAME"];
		}

		/// <summary>
		/// Provides the map of tag names, hashed by tag type identifier. 
		/// </summary>
		/// <returns>the map of tag names</returns>
		protected override IDictionary GetTagNameMap() 
		{
			return tagNameMap;
		}
	}
}