using AVEVA.Historian.Client.Models;

namespace AVEVA.Historian.Client;

public sealed class HistorianClientOptions
{
    public const int DefaultPort = 32568;

    public required string Host { get; init; }

    public int Port { get; init; } = DefaultPort;

    public TimeSpan ConnectTimeout { get; init; } = TimeSpan.FromSeconds(5);

    public TimeSpan RequestTimeout { get; init; } = TimeSpan.FromSeconds(30);

    public string UserName { get; init; } = string.Empty;

    public string Password { get; init; } = string.Empty;

    public bool IntegratedSecurity { get; init; }

    public bool Compression { get; init; }

    public HistorianConnectionKind ConnectionKind { get; init; } = HistorianConnectionKind.Process;

    public HistorianTransport Transport { get; init; } = HistorianTransport.LocalPipe;

    public string TargetSpn { get; init; } = @"NT SERVICE\aahClientAccessPoint";

    /// <summary>
    /// When true, the WCF channel factories used by the SDK accept the server's
    /// X.509 certificate without chain validation. Useful when connecting to a
    /// development / on-prem Historian whose <c>/HistCert</c> endpoint presents an
    /// installer-generated self-signed cert that isn't in the local trust store
    /// (notably .NET WCF on Linux ignores the system CA bundle for its own
    /// X509Chain checks). Default false; do not enable in production where the
    /// server's identity matters.
    /// </summary>
    public bool AllowUntrustedServerCertificate { get; init; }

    /// <summary>
    /// Overrides the expected DNS identity in the endpoint address — set this to
    /// whatever DNS name the server's certificate actually claims (often
    /// <c>localhost</c> on installer-generated AVEVA Historian certificates) when
    /// connecting via IP address or a hostname that doesn't match the cert SAN/CN.
    /// Without this override WCF rejects the channel with
    /// "Identity check failed for outgoing message". Has no effect on transports
    /// that don't validate a server certificate.
    /// </summary>
    public string? ServerDnsIdentity { get; init; }
}