// This file is part of YamlDotNet - A .NET library for YAML.
// Copyright (c) Antoine Aubry and contributors
//
// 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;

namespace YamlDotNet.Serialization.Utilities
{
    internal static class ReflectionUtility
    {
        public static Type? GetImplementedGenericInterface(Type type, Type genericInterfaceType)
        {
            foreach (var interfacetype in GetImplementedInterfaces(type))
            {
                if (interfacetype.IsGenericType() && interfacetype.GetGenericTypeDefinition() == genericInterfaceType)
                {
                    return interfacetype;
                }
            }
            return null;
        }

        public static IEnumerable<Type> GetImplementedInterfaces(Type type)
        {
            if (type.IsInterface())
            {
                yield return type;
            }

            foreach (var implementedInterface in type.GetInterfaces())
            {
                yield return implementedInterface;
            }
        }
    }
}