@* Static OPC UA Client address builder: NodeId free text → verbatim.
   Live browse deferred to a follow-up phase. *@

<div class="alert alert-info py-2 px-3 mb-3 small">
    <strong>Note:</strong> Live OPC UA node browse is deferred to a follow-up phase.
    Enter the NodeId string manually below.
</div>

<div class="row g-3">
    <div class="col-md-10">
        <label class="form-label">NodeId</label>
        <input type="text" class="form-control form-control-sm mono" placeholder="ns=2;s=Channel.Device.Tag"
               @bind="_nodeId" @bind:after="OnChangedAsync" />
        <div class="form-text">
            OPC UA NodeId string, e.g. <code>ns=2;s=Channel.Device.Tag</code> or <code>i=1001</code>.
        </div>
    </div>
</div>

<div class="mt-3">
    <span class="text-muted small">Result:</span>
    <code class="mono ms-2">@_built</code>
</div>

@code {
    [Parameter] public string CurrentAddress { get; set; } = "";
    [Parameter] public EventCallback<string> CurrentAddressChanged { get; set; }

    private string _nodeId = "";
    private string _built = "";

    protected override void OnInitialized()
    {
        _built = _nodeId;
        _ = CurrentAddressChanged.InvokeAsync(_built);
    }

    private async Task OnChangedAsync()
    {
        _built = _nodeId;
        await CurrentAddressChanged.InvokeAsync(_built);
    }
}