/* ========================================================================
 * Copyright (c) 2005-2025 The OPC Foundation, Inc. All rights reserved.
 *
 * OPC Foundation MIT License 1.00
 *
 * 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,
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 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * The complete license agreement can be found here:
 * http://opcfoundation.org/License/MIT/1.00/
 * ======================================================================*/

using System;

namespace Opc.Ua.Client
{
    /// <summary>
    /// Options for configuring a <see cref="ReconnectPolicy"/>. Provided as
    /// a record so it can be used with the .NET options pattern
    /// (<see cref="Microsoft.Extensions.Options.IOptions{T}"/>) and bound
    /// from configuration sources.
    /// </summary>
    public sealed record ReconnectPolicyOptions
    {
        /// <summary>
        /// Initial delay between reconnect attempts.
        /// </summary>
        public TimeSpan InitialDelay { get; init; } = TimeSpan.FromSeconds(1);

        /// <summary>
        /// Maximum delay between attempts (caps the backoff).
        /// </summary>
        public TimeSpan MaxDelay { get; init; } = TimeSpan.FromSeconds(30);

        /// <summary>
        /// Maximum number of retries (0 = unlimited).
        /// </summary>
        public int MaxRetries { get; init; }

        /// <summary>
        /// Backoff strategy.
        /// </summary>
        public BackoffStrategy Strategy { get; init; } = BackoffStrategy.Exponential;

        /// <summary>
        /// Jitter factor (0.0 = no jitter, 0.1 = ±10%).
        /// </summary>
        public double JitterFactor { get; init; } = 0.1;
    }
}