using ZB.MOM.WW.MxGateway.Worker.Conversion;
using ZB.MOM.WW.MxGateway.Worker.MxAccess;

namespace ZB.MOM.WW.MxGateway.Worker.Tests.TestSupport;

/// <summary>
/// Shared no-operation <see cref="IMxAccessServer"/> for tests that need to
/// construct an <see cref="MxAccessSession"/> via
/// <see cref="MxAccessSession.CreateForTesting"/> but do not exercise any
/// MXAccess COM call. Replaces the per-file <c>NullMxAccessServer</c> copy
/// that previously lived inside <c>AlarmCommandExecutorTests</c> and was
/// constructed via reflection.
/// </summary>
internal sealed class NoopMxAccessServer : IMxAccessServer
{
    /// <inheritdoc />
    public int Register(string clientName) => 0;

    /// <inheritdoc />
    public void Unregister(int serverHandle)
    {
    }

    /// <inheritdoc />
    public int AddItem(int serverHandle, string itemDefinition) => 0;

    /// <inheritdoc />
    public int AddItem2(int serverHandle, string itemDefinition, string itemContext) => 0;

    /// <inheritdoc />
    public void RemoveItem(int serverHandle, int itemHandle)
    {
    }

    /// <inheritdoc />
    public void Advise(int serverHandle, int itemHandle)
    {
    }

    /// <inheritdoc />
    public void UnAdvise(int serverHandle, int itemHandle)
    {
    }

    /// <inheritdoc />
    public void AdviseSupervisory(int serverHandle, int itemHandle)
    {
    }

    /// <inheritdoc />
    public int AddBufferedItem(int serverHandle, string itemDefinition, string itemContext) => 0;

    /// <inheritdoc />
    public void SetBufferedUpdateInterval(int serverHandle, int updateIntervalMilliseconds)
    {
    }

    /// <inheritdoc />
    public object Suspend(int serverHandle, int itemHandle) => new FakeMxStatus();

    /// <inheritdoc />
    public object Activate(int serverHandle, int itemHandle) => new FakeMxStatus();

    /// <inheritdoc />
    public void Write(int serverHandle, int itemHandle, object? value, int userId)
    {
    }

    /// <inheritdoc />
    public void Write2(int serverHandle, int itemHandle, object? value, object? timestampValue, int userId)
    {
    }

    /// <inheritdoc />
    public void WriteSecured(int serverHandle, int itemHandle, int currentUserId, int verifierUserId, object? value)
    {
    }

    /// <inheritdoc />
    public void WriteSecured2(int serverHandle, int itemHandle, int currentUserId, int verifierUserId, object? value, object? timestampValue)
    {
    }

    /// <inheritdoc />
    public int AuthenticateUser(int serverHandle, string verifyUser, string verifyUserPassword) => 0;

    /// <inheritdoc />
    public int ArchestrAUserToId(int serverHandle, string userIdGuid) => 0;
}

/// <summary>
/// Minimal stand-in for the native <c>ArchestrA.MxAccess.MxStatus</c> struct.
/// <see cref="MxStatusProxyConverter"/> reflects over the public
/// <c>success</c>, <c>category</c>, <c>detectedBy</c>, and <c>detail</c>
/// fields, so this fake exposes the same field shape with all-OK values.
/// </summary>
/// <remarks>
/// Previously duplicated as a nested class in <c>MxAccessCommandExecutorTests.FakeMxAccessComObject</c>.
/// Consolidated here so a future field change to the real COM struct only
/// requires updating one place.
/// </remarks>
internal sealed class FakeMxStatus
{
    // These public fields exist solely so MxStatusProxyConverter can reflect
    // over them by name; they are read through reflection, not directly, so the
    // compiler's "never assigned" (CS0649) diagnostic does not apply.
#pragma warning disable CS0649
    /// <summary>Success indicator field read by the status converter.</summary>
    public int success;

    /// <summary>Status category field read by the status converter.</summary>
    public int category;

    /// <summary>Status detected-by field read by the status converter.</summary>
    public int detectedBy;

    /// <summary>Status detail field read by the status converter.</summary>
    public int detail;
#pragma warning restore CS0649
}
