using System.Collections.Generic;

namespace ZB.MOM.WW.OtOpcUa.Host.Configuration
{
    /// <summary>
    ///     Non-transparent redundancy settings that control how the server advertises itself
    ///     within a redundant pair and computes its dynamic ServiceLevel.
    /// </summary>
    public class RedundancyConfiguration
    {
        /// <summary>
        ///     Gets or sets whether redundancy is enabled. When <see langword="false" /> (default),
        ///     the server reports <c>RedundancySupport.None</c> and <c>ServiceLevel = 255</c>.
        /// </summary>
        public bool Enabled { get; set; } = false;

        /// <summary>
        ///     Gets or sets the redundancy mode. Valid values: <c>Warm</c>, <c>Hot</c>.
        /// </summary>
        public string Mode { get; set; } = "Warm";

        /// <summary>
        ///     Gets or sets the role of this instance. Valid values: <c>Primary</c>, <c>Secondary</c>.
        ///     The primary advertises a higher ServiceLevel than the secondary when both are healthy.
        /// </summary>
        public string Role { get; set; } = "Primary";

        /// <summary>
        ///     Gets or sets the ApplicationUri values for all servers in the redundant set.
        ///     Must include this instance's own <c>OpcUa.ApplicationUri</c>.
        /// </summary>
        public List<string> ServerUris { get; set; } = new();

        /// <summary>
        ///     Gets or sets the base ServiceLevel when the server is fully healthy.
        ///     The secondary automatically receives <c>ServiceLevelBase - 50</c>.
        ///     Valid range: 1-255.
        /// </summary>
        public int ServiceLevelBase { get; set; } = 200;
    }
}