﻿// The MIT License (MIT)
//
// Copyright (c) 2015 Rasmus Mikkelsen
// https://github.com/rasmus/EventFlow
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Linq;
using Autofac;
using EventFlow.Aggregates;
using EventFlow.Configuration;

namespace EventFlow.Extensions
{
    public static class ResolverExtensions
    {
        public static void ValidateRegistrations(
            this IResolver resolver)
        {
            var exceptions = new List<Exception>();
            foreach (var type in resolver.GetRegisteredServices().Where(t => !t.IsClosedTypeOf(typeof(IAggregateRoot<>))))
            {
                try
                {
                    resolver.Resolve(type);
                }
                catch (Exception ex)
                {
                    exceptions.Add(ex);
                }
            }

            if (!exceptions.Any())
            {
                return;
            }

            var message = string.Join(", ", exceptions.Select(e => e.Message));
            throw new AggregateException(message, exceptions);
        }
    }
}
