using ArchestrA.MxAccess;

namespace MxGateway.Worker.MxAccess;

public sealed class MxAccessBaseEventSink : IMxAccessEventSink
{
    private LMXProxyServerClass? server;

    public void Attach(object mxAccessComObject)
    {
        server = (LMXProxyServerClass)mxAccessComObject;
        server.OnDataChange += OnDataChange;
        server.OnWriteComplete += OnWriteComplete;
        server.OperationComplete += OperationComplete;
        server.OnBufferedDataChange += OnBufferedDataChange;
    }

    public void Detach()
    {
        if (server is null)
        {
            return;
        }

        server.OnDataChange -= OnDataChange;
        server.OnWriteComplete -= OnWriteComplete;
        server.OperationComplete -= OperationComplete;
        server.OnBufferedDataChange -= OnBufferedDataChange;
        server = null;
    }

    private static void OnDataChange(
        int hLMXServerHandle,
        int phItemHandle,
        object pvItemValue,
        int pwItemQuality,
        object pftItemTimeStamp,
        ref MXSTATUS_PROXY[] pVars)
    {
    }

    private static void OnWriteComplete(
        int hLMXServerHandle,
        int phItemHandle,
        ref MXSTATUS_PROXY[] pVars)
    {
    }

    private static void OperationComplete(
        int hLMXServerHandle,
        int phItemHandle,
        ref MXSTATUS_PROXY[] pVars)
    {
    }

    private static void OnBufferedDataChange(
        int hLMXServerHandle,
        int phItemHandle,
        MxDataType dtDataType,
        object pvItemValue,
        object pwItemQuality,
        object pftItemTimeStamp,
        ref MXSTATUS_PROXY[] pVars)
    {
    }
}