using System;
using System.Collections;

namespace NiceTracker.Events
{
	/// <summary>
	/// Summary description for EventParameters.
	/// </summary>
	public class EventParameters
	{
		private Hashtable ht = new Hashtable();

		public EventParameters()		
		{
		}

		public EventParameters( string paramList )
		{
			Parse( paramList );
		}

		public void Parse( string paramList )
		{
			string[] pairs = paramList.Split( ';' );

			foreach ( string pair in pairs )
			{
				int eqIdx = pair.IndexOf( "=" );

				if ( eqIdx != -1 )
				{
					string pairKey = pair.Substring( 0, eqIdx );
					string pairValue = pair.Substring( eqIdx + 1, pair.Length - eqIdx - 1 );

					if ( ht.Contains( pairKey ) )
						ht.Remove( pairKey );

					ht.Add( pairKey, pairValue );
				}
				else
				{
					if ( ht.Contains( pair ) )
						ht.Remove( pair );

					ht.Add( pair, pair );
				}
			}
		}

		public override string ToString()
		{
			string list = "";

			foreach ( string key in ht.Keys )
			{
				if ( list != "" )
					list += ";";
				list += key + "=" + ht[ key ].ToString();
			}

			return list;
		}

		public void Set( string name, string value )
		{
			if ( ht.Contains( name ) )
				ht.Remove( name );
			ht.Add( name, value );
		}

		public string Get( string name )
		{
			if ( ht.ContainsKey( name ) )
				return ht[ name ].ToString();
			else
				return "";
		}

	}
}