// Copyright (C) Stichting Deltares 2018. All rights reserved.
//
// This file is part of the application DAM - UI.
//
// DAM - UI is free software: you can redistribute it and/or modify
// it under the terms of the GNU 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 General Public License for more details.
//
// You should have received a copy of the GNU 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 Deltares.Standard.Specifications;

namespace Deltares.Dam.Data
{
    public abstract class CompositeSpecification<TCandidate> : SpecificationBase<TCandidate>
    {
        #region Operator overloads

        /// <summary>
        /// Implements the operator true.
        /// </summary>
        /// <param name="specification">The specification.</param>
        /// <returns>
        /// The result of the operator.
        /// </returns>
        public static bool operator true(CompositeSpecification<TCandidate> specification)
        {
            return false;
        }

        /// <summary>
        /// Implements the operator false.
        /// </summary>
        /// <param name="specification">The specification.</param>
        /// <returns>
        /// The result of the operator.
        /// </returns>
        public static bool operator false(CompositeSpecification<TCandidate> specification)
        {
            return false;
        }

        /// <summary>
        /// Implements the operator &amp;.
        /// </summary>
        /// <param name="left">The left.</param>
        /// <param name="right">The right.</param>
        /// <returns>
        /// The result of the operator.
        /// </returns>
        public static CompositeSpecification<TCandidate> operator &(CompositeSpecification<TCandidate> left, CompositeSpecification<TCandidate> right)
        {
            return new AndSpecification<TCandidate>(left, right);
        }

        /// <summary>
        /// Ands the specified other.
        /// </summary>
        /// <param name="other">The other.</param>
        /// <returns></returns>
        public CompositeSpecification<TCandidate> And(ISpecification<TCandidate> other)
        {
            return new AndSpecification<TCandidate>(this, other);
        }

        /// <summary>
        /// Implements the operator |.
        /// </summary>
        /// <param name="left">The left.</param>
        /// <param name="right">The right.</param>
        /// <returns>
        /// The result of the operator.
        /// </returns>
        public static CompositeSpecification<TCandidate> operator |(CompositeSpecification<TCandidate> left, CompositeSpecification<TCandidate> right)
        {
            return new AndSpecification<TCandidate>(left, right);
        }

        public OrSpecification<TCandidate> Or(ISpecification<TCandidate> other)
        {
            return new OrSpecification<TCandidate>(this, other);
        }

        /// <summary>
        /// Implements the operator !.
        /// </summary>
        /// <param name="specification">The specification.</param>
        /// <returns>
        /// The result of the operator.
        /// </returns>
        public static CompositeSpecification<TCandidate> operator !(CompositeSpecification<TCandidate> specification)
        {
            return new NotSpecification<TCandidate>(specification);
        }

        /// <summary>
        /// Nots this instance.
        /// </summary>
        /// <returns></returns>
        public NotSpecification<TCandidate> Not()
        {
            return new NotSpecification<TCandidate>(this);
        }

        #endregion
    }
}