// Copyright (C) Stichting Deltares 2017. All rights reserved.
//
// This file is part of Ringtoets.
//
// Ringtoets is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System;
using System.ComponentModel;
using log4net.Core;

namespace Core.Common.TestUtil
{
    public enum LogLevelConstant
    {
        Off,
        Fatal,
        Error,
        Warn,
        Info,
        Debug
    }

    public static class LogLevelConstantExtensions
    {
        /// <summary>
        /// Converts a <see cref="LogLevelConstant"/> to a <see cref="Level"/>.
        /// </summary>
        /// <param name="level">The <see cref="LogLevelConstant"/> to convert.</param>
        /// <returns>The <see cref="Level"/> based on the <paramref name="level"/>.</returns>
        /// <exception cref="InvalidEnumArgumentException">Thrown when <paramref name="level"/>
        /// is not a valid value for <see cref="LogLevelConstant"/>.</exception>
        /// <exception cref="NotSupportedException">Thrown when <paramref name="level"/>
        /// is not a supported member.</exception>
        public static Level ToLog4NetLevel(this LogLevelConstant level)
        {
            if (!Enum.IsDefined(typeof(LogLevelConstant), level))
            {
                throw new InvalidEnumArgumentException(nameof(level), (int)level, typeof(LogLevelConstant));
            }

            switch (level)
            {
                case LogLevelConstant.Off:
                    return Level.Off;
                case LogLevelConstant.Fatal:
                    return Level.Fatal;
                case LogLevelConstant.Error:
                    return Level.Error;
                case LogLevelConstant.Warn:
                    return Level.Warn;
                case LogLevelConstant.Info:
                    return Level.Info;
                case LogLevelConstant.Debug:
                    return Level.Debug;
                default:
                    throw new NotSupportedException($"The enum value {nameof(LogLevelConstant)}.{level} is not supported.");
            }
        }
    }
}