#if TOOLS

namespace Rokojori.Tools
{
  using Rokojori;

  public static class JsonRpc
  {
    public static JSONObject BuildResult( JSONData id, JSONData result )
    {
      var obj = new JSONObject();
      obj.Set( "jsonrpc", "2.0" );
      obj.Set( "id", id ?? new JSONValue() );
      obj.Set( "result", result );
      return obj;
    }

    public static JSONObject BuildError( JSONData id, int code, string message )
    {
      var error = new JSONObject();
      error.Set( "code", (double) code );
      error.Set( "message", message );

      var obj = new JSONObject();
      obj.Set( "jsonrpc", "2.0" );
      obj.Set( "id", id ?? new JSONValue() );
      obj.Set( "error", error );
      return obj;
    }

    public static string GetMethod( JSONObject envelope )
    {
      var data = envelope.Get( "method" );
      return data != null && data.isString ? data.stringValue : null;
    }

    public static bool IsNotification( JSONObject envelope )
    {
      return ! envelope.HasKey( "id" );
    }
  }
}

#endif