using MembranePoreTester.ViewModels;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;

namespace MembranePoreTester.Views
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            HistoryWindow.LoadRecordEvent += OnLoadRecord;
        }

        private void OnLoadRecord(object sender, LoadRecordEventArgs e)
        {
            var mainVM = DataContext as MainViewModel;
            if (mainVM == null) return;

            // 根据工位和类型找到对应的 ViewModel
            if (e.Type == "泡点法")
            {
                var targetVM = mainVM.Stations[e.TargetStation - 1].BubblePointVM;
                targetVM.LoadFromDatabase(e.RecordId);
            }
            else
            {
                var targetVM = mainVM.Stations[e.TargetStation - 1].PoreDistributionVM;
                targetVM.LoadFromDatabase(e.RecordId);
            }
        }


        private void OpenHistory_Click(object sender, RoutedEventArgs e)
        {
            var mainVM = DataContext as MainViewModel;
            if (mainVM == null) return;

            // 获取当前选中的工位索引（假设选项卡控件是 TabControl，名称为 stationTabControl）
            // 需要在 XAML 中为 TabControl 设置 x:Name="stationTabControl"
            int currentStation = stationTabControl.SelectedIndex + 1; // 假设索引从0开始
            var historyWin = new HistoryWindow { SelectedStation = currentStation };
            historyWin.ShowDialog();
        }


        private void Window_KeyDown(object sender, KeyEventArgs e)
        {
            if (Keyboard.Modifiers == ModifierKeys.Control && e.Key == Key.P)
            {
                var win = new ParameterWindow();
                win.Owner = this;
                win.ShowDialog();
            }
        }



        private void TabControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            var selectedStation = stationTabControl.SelectedItem as MainViewModel.StationItem;
            if (selectedStation != null)
            {
                var content = stationTabControl.SelectedContent as ContentPresenter;
                if (content != null)
                {
                    var innerTabControl = FindVisualChild<TabControl>(content);
                    if (innerTabControl != null)
                    {
                        var selectedTabItem = innerTabControl.SelectedItem as TabItem;
                        bool isPoreDistributionActive = selectedTabItem?.Header?.ToString() == "孔分布测试";

                        // 关键：设置 StationItem 的状态
                        selectedStation.IsPoreDistributionActive = isPoreDistributionActive;
                        selectedStation.PoreDistributionVM.IsActive = isPoreDistributionActive;

                        if (isPoreDistributionActive)
                        {
                            // 切换到孔分布时，清空之前的数据
                            selectedStation.PoreDistributionVM.ClearData();
                        }
                        else
                        {
                            // 离开孔分布界面时，停止自动采集
                            selectedStation.PoreDistributionVM.StopCollecting();
                        }
                    }
                }
            }
        }

        // 辅助方法：查找 Visual Tree 中的指定类型元素
        private T FindVisualChild<T>(DependencyObject parent) where T : DependencyObject
        {
            for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++)
            {
                var child = VisualTreeHelper.GetChild(parent, i);
                if (child is T t) return t;
                var result = FindVisualChild<T>(child);
                if (result != null) return result;
            }
            return null;
        }
    }
}