using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Input;

namespace HardwareMonitorStatusWindow.StatusWindow.SettingsWindow;

public partial class HardwareSettingsPanel
{
    private CollectionViewSource _collectionViewSource;

    public HardwareSettingsPanel()
    {
        InitializeComponent();
    }

    public override string CategoryName => StatusWindow.Resources.optionCategorySensors;

    public override void LoadPanel(Window parentWindow)
    {
        base.LoadPanel(parentWindow);

        if (_collectionViewSource == null)
        {
            _collectionViewSource = new CollectionViewSource { Source = Data.SensorEntries };

            SensorDataGrid.ItemsSource = _collectionViewSource.View;
        }

        _collectionViewSource.View.Refresh();

        if (SensorDataGrid.Items.Count > 0)
            SensorDataGrid.SelectedIndex = 0;

        SetSensorButtonStates();
    }

    private void HandleSensorDataGridSelectionChanged(object sender, SelectionChangedEventArgs e)
    {
        SetSensorButtonStates();
    }

    private void SetSensorButtonStates()
    {
        AddSensorButton.IsEnabled = true;
        EditSensorButton.IsEnabled = SensorDataGrid.SelectedItems.Count == 1;
        DeleteSensorButton.IsEnabled = SensorDataGrid.SelectedItems.Count > 0;
    }

    private void HandleAddSensorButtonClick(object sender, RoutedEventArgs e)
    {
        AddSensor();
    }

    private void HandleEditSensorButtonClick(object sender, RoutedEventArgs e)
    {
        EditSelectedSensor();
    }

    private void HandleDeleteSensorButtonClick(object sender, RoutedEventArgs e)
    {
        DeleteSelectedSensors();
    }

    private void HandleSensorDataGridRowMouseDoubleClick(object sender, MouseButtonEventArgs e)
    {
        EditSelectedSensor();
    }

    private void AddSensor()
    {
        var sensorEntry = new SensorEntry();

        var sensorWindow = new SensorWindow();

        var result = sensorWindow.Display(sensorEntry, Window.GetWindow(this));

        if (!result.HasValue || !result.Value)
            return;

        SensorDataGrid.SelectedItem = sensorEntry;

        SetSensorButtonStates();
    }

    private void EditSelectedSensor()
    {
        if (SensorDataGrid.SelectedItem == null)
            return;

        var sensorEntry = (SensorEntry)SensorDataGrid.SelectedItem;

        var sensorWindow = new SensorWindow();

        sensorWindow.Display(sensorEntry, Window.GetWindow(this));
    }

    private void DeleteSelectedSensors()
    {
        if (MessageBox.Show(ParentWindow!, StatusWindow.Resources.ConfirmDeleteSensors, StatusWindow.Resources.ConfirmDeleteTitle, MessageBoxButton.YesNo, MessageBoxImage.Question, MessageBoxResult.No) == MessageBoxResult.No)
            return;

        var selectedItems = new SensorEntry[SensorDataGrid.SelectedItems.Count];

        SensorDataGrid.SelectedItems.CopyTo(selectedItems, 0);

        foreach (var sensorEntry in selectedItems)
            Data.SensorEntries.Remove(sensorEntry);

        SetSensorButtonStates();
    }
}