using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Script.Serialization;

namespace Nuclex.Networking.Gallery3.Responses {

  /// <summary>Custom converter for gallery Date/Time values</summary>
  public class GalleryDateTimeConverter : JavaScriptConverter {

    /// <summary>Types for which this converter can be used</summary>
    /// <returns>A list of types supported by the converter</returns>
    public override IEnumerable<Type> SupportedTypes {
      get {
        return new Type[] {
          typeof(DateTime),
          typeof(DateTime?)
        };
      }
    }

    public override IDictionary<string, object> Serialize(
      object obj, JavaScriptSerializer serializer
    ) {
/*
      Dictionary<string, object> result = new Dictionary<string, object>();
      if (obj.GetType() == typeof(DateTime)) {
        DateTime d = (DateTime)obj;
        result[_dateKey] = d.Ticks;
        if (d.Kind != DateTimeKind.Unspecified)
          result[_kindKey] = d.Kind;
        return result;

      } else if (obj.GetType() == typeof(DateTime?)) {
        DateTime? theDate = (DateTime?)obj;
        if (theDate.HasValue) {
          result[_dateKey] = theDate.Value.Ticks;
          if (theDate.Value.Kind != DateTimeKind.Unspecified)
            result[_kindKey] = theDate.Value.Kind;
        }
      }
      return result;
 */
      return null;
    }

    public override object Deserialize(
      IDictionary<string, object> dictionary, Type type, JavaScriptSerializer serializer
    ) {
/*
      if (dictionary.ContainsKey(_dateKey)) {
        var d = new DateTime(long.Parse(dictionary[_dateKey].ToString()), DateTimeKind.Unspecified);
        if (dictionary.ContainsKey(_kindKey))
          d = DateTime.SpecifyKind(d, (DateTimeKind)dictionary[_kindKey]);
        return d;
      }
*/
      return null;
    }

    private string _dateKey = "d";
    private string _kindKey = "k";

  }

} // namespace Nuclex.Networking.Gallery3.Responses