using System;
using System.Reflection;

namespace Quadarax.Foundation.Core.Reflection.Extensions
{
    public static class PropertyInfoExt
    {
        public static Type GetFinalPropertyType(this PropertyInfo owner)
        {
            if (owner == null) throw new ArgumentNullException(nameof(owner));
            var propertyType = owner.PropertyType;
            if (propertyType.IsGenericType &&
                propertyType.GetGenericTypeDefinition() == typeof(Nullable<>))
            {
                propertyType = propertyType.GetGenericArguments()[0];
            }

            return propertyType;
        }
    }
}