// Copyright (C) Stichting Deltares 2019. All rights reserved.
//
// This file is part of the Dam Engine.
//
// The Dam Engine is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero 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.Resources;
using Deltares.DamEngine.Data;
using Deltares.DamEngine.Data.Properties;

namespace Deltares.DamEngine.Data.Standard
{
    /// <summary>
    /// Helper class for generating excepions
    /// </summary>
    public class ThrowHelper
    {
        /// <summary>
        /// Throws the when condition is true.
        /// </summary>
        /// <typeparam name="TException">The type of the exception.</typeparam>
        /// <param name="message">The message.</param>
        /// <param name="condition">The condition.</param>
        public static void ThrowWhenConditionIsTrue<TException>(string message, Func<bool> condition)
            where TException : Exception
        {
            var exception = (Exception)Activator.CreateInstance(typeof(TException), new object[] { message });

            if (condition())
                throw exception;
        }

        /// <summary>
        /// Throws if argument null.
        /// </summary>
        /// <param name="value">The value.</param>
        /// <param name="message">The message.</param>
        /// <exception cref="System.ArgumentNullException"></exception>
        public static void ThrowIfArgumentNull(object value, string message)
        {
            if (value == null)
                throw new ArgumentNullException(message);
        }

        /// <summary>
        /// Throws if file name null or empty.
        /// </summary>
        /// <param name="fileName">Name of the file.</param>
        internal static void ThrowIfFileNameNullOrEmpty(string fileName)
        {
            ThrowIfFileNameNullOrEmpty(fileName, Resources.FileNameNotValid); 
        }
        /// <summary>
        /// Throws if file name null or empty.
        /// </summary>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="message">The message.</param>
        internal static void ThrowIfFileNameNullOrEmpty(string fileName, string message)
        {
            ThrowIfFileNameNullOrEmpty<ArgumentNullException>(fileName, message);
        }
        /// <summary>
        /// Throws if file name null or empty.
        /// </summary>
        /// <typeparam name="TException">The type of the exception.</typeparam>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="message">The message.</param>
        internal static void ThrowIfFileNameNullOrEmpty<TException>(string fileName, string message)
            where TException : Exception
        {
            ThrowWhenConditionIsTrue<TException>(message,
                () => string.IsNullOrEmpty(fileName) || fileName.Trim() == "");
        }
    }
}