/* Copyright 2010-present MongoDB Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

using System;
using MongoDB.Bson;
using MongoDB.Driver.Core.Misc;

namespace MongoDB.Driver
{
    /// <summary>
    /// Options for a count operation.
    /// </summary>
    public sealed class CountOptions
    {
        // fields
        private Collation _collation;
        private BsonValue _hint;
        private long? _limit;
        private TimeSpan? _maxTime;
        private long? _skip;

        // properties
        /// <summary>
        /// Gets or sets the collation.
        /// </summary>
        public Collation Collation
        {
            get { return _collation; }
            set { _collation = value; }
        }

        /// <summary>
        /// Gets or sets the hint.
        /// </summary>
        public BsonValue Hint
        {
            get { return _hint; }
            set { _hint = value; }
        }

        /// <summary>
        /// Gets or sets the limit.
        /// </summary>
        public long? Limit
        {
            get { return _limit; }
            set { _limit = value; }
        }

        /// <summary>
        /// Gets or sets the maximum time.
        /// </summary>
        public TimeSpan? MaxTime
        {
            get { return _maxTime; }
            set { _maxTime = Ensure.IsNullOrInfiniteOrGreaterThanOrEqualToZero(value, nameof(value)); }
        }

        /// <summary>
        /// Gets or sets the skip.
        /// </summary>
        public long? Skip
        {
            get { return _skip; }
            set { _skip = value; }
        }
    }
}