using System;
using System.Windows;
using Caliburn.Messaging;
using Caliburn.Metadata;

namespace Caliburn.Actions
{
    public class SynchronousActionExecutor : ActionExecutor
    {
        public SynchronousActionExecutor(ActionInfo actionInfo) : base(actionInfo) {}

        public override void Execute(DependencyObject messageSource, ActionMessage message, object target)
        {
            try
            {
                object[] parameters = DetermineParameters(message, messageSource);
                object result = _unboundMethod.Execute(target, parameters);
                BindReturnValue(message, messageSource, result);
            }
            catch(Exception e)
            {
                PerformRescue(target, e.InnerException ?? e);
            }
        }
    }
}