using System;
using FluentNHibernate.Conventions;
using System.Reflection;
using FluentNHibernate;
using FluentNHibernate.Conventions.Instances;
using FluentNHibernate.Conventions.Inspections;
using FluentNHibernate.Conventions.AcceptanceCriteria;
using System.Diagnostics;

namespace Tanshu.Accounts.Conventions
{
    public class EnumConvention : IUserTypeConvention
    {
        public void Accept(IAcceptanceCriteria<IPropertyInspector> criteria)
        {
            criteria.Expect(x => (x.Property.PropertyType.IsEnum
                || (x.Property.PropertyType.IsGenericType &&
                x.Property.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>) &&
                x.Property.PropertyType.GetGenericArguments()[0].IsEnum)));
        }

        public void Apply(IPropertyInstance target)
        {
            Trace.TraceInformation(string.Format("Custom Enum for {0}.{1}", target.EntityType.Name, target.Property.Name));
            target.CustomType(target.Property.PropertyType);
        }
    }
}