using System;

/// <header>
/// <wox>
///     <version>1.0</version>
///     <author>Carlos R. Jaimez Gonzalez</author>
///     <author>Simon M. Lucas</author>
///     <site>http://woxserializer.sourceforge.net/</site>
/// </wox>
/// <wox>
///     <version>1.5</version>
///     <author>Steven M Lewis</author>
/// </wox>
/// <wox>
///     <version>2.0</version>
///     <author>George A Smith</author>
///     <svn>http://woxserializer.sourceforge.net/</svn>
///     <note>XML form for vs 2 is more compact and therefor incompatible with vs 1</note>
/// </wox>
/// </header>

namespace wox.serial
{
    public class WOXdateHandler : AbstractWrappableStringableHandler
    {
        public static readonly WOXdateHandler INSTANCE = new WOXdateHandler();

        public static readonly DateTime DEFAULT = new DateTime( 1, 1, 1, 0, 0, 0, 0 );

        protected WOXdateHandler()
            : base( typeof (DateTime), "date", typeof (DateTime?) )
        {
        }

        protected override object NonNullValueParse( string pValue )
        {
            DateTimeConverter zConverter = new DateTimeConverter().AttemptParse( pValue );
            if ( zConverter == null )
            {
                throw new ApplicationException( "Bad DateTime format, should have been '" + DateTimeConverter.FORMAT + "', but was: " + pValue );
            }
            return zConverter.ToDateTime();
        }

        protected override string NonNullValueToString( object pObject )
        {
            return new DateTimeConverter( (DateTime) pObject ).ToString();
        }

        public override object GetNonNullDefaultValue()
        {
            return DEFAULT;
        }
    }
}