lmxopcua/src/Client/ZB.MOM.WW.OtOpcUa.Client.UI/Views/AckAlarmWindow.axaml.cs

using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Media;
using ZB.MOM.WW.OtOpcUa.Client.UI.ViewModels;

namespace ZB.MOM.WW.OtOpcUa.Client.UI.Views;

public partial class AckAlarmWindow : Window
{
    private readonly AlarmsViewModel _alarmsVm;
    private readonly AlarmEventViewModel _alarm;

    /// <summary>Initializes a new instance of the AckAlarmWindow class for XAML designer support.</summary>
    public AckAlarmWindow()
    {
        InitializeComponent();
        _alarmsVm = null!;
        _alarm = null!;
    }

    /// <summary>Initializes a new instance of the AckAlarmWindow class with alarm context.</summary>
    /// <param name="alarmsVm">The alarms view model.</param>
    /// <param name="alarm">The alarm event to acknowledge.</param>
    public AckAlarmWindow(AlarmsViewModel alarmsVm, AlarmEventViewModel alarm)
    {
        InitializeComponent();
        _alarmsVm = alarmsVm;
        _alarm = alarm;

        var sourceText = this.FindControl<TextBlock>("SourceText");
        if (sourceText != null) sourceText.Text = alarm.SourceName;

        var conditionText = this.FindControl<TextBlock>("ConditionText");
        if (conditionText != null) conditionText.Text = $"{alarm.ConditionName} (Severity: {alarm.Severity})";

        var ackButton = this.FindControl<Button>("AckButton");
        if (ackButton != null) ackButton.Click += OnAckClicked;

        var cancelButton = this.FindControl<Button>("CancelButton");
        if (cancelButton != null) cancelButton.Click += OnCancelClicked;
    }

    private async void OnAckClicked(object? sender, RoutedEventArgs e)
    {
        var commentInput = this.FindControl<TextBox>("CommentInput");
        var resultText = this.FindControl<TextBlock>("ResultText");
        if (commentInput == null || resultText == null) return;

        var comment = commentInput.Text ?? string.Empty;

        resultText.Foreground = Brushes.Gray;
        resultText.Text = "Acknowledging...";

        var (success, message) = await _alarmsVm.AcknowledgeAlarmAsync(_alarm, comment);

        if (success)
        {
            Close();
        }
        else
        {
            resultText.Foreground = Brushes.Red;
            resultText.Text = message;
        }
    }

    private void OnCancelClicked(object? sender, RoutedEventArgs e)
    {
        Close();
    }
}