using PamhagenSysCtrl.Helpers;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace PamhagenSysCtrl {
    public partial class MainWindow : Window {

        public MainWindow() {
            InitializeComponent();

            for (int i = 1; i <= 60; i++) {
                var b = new Button() {
                    Content = $"V{i}",
                    Margin = new(10 + ((i - 1) / 10) * 50, 10 + ((i - 1) % 10) * 40, 10, 10),
                    BorderThickness = new(2),
                    VerticalAlignment = VerticalAlignment.Top,
                    HorizontalAlignment = HorizontalAlignment.Left,
                    Height = 30,
                    Width = 40,
                    FontSize = 14,
                };
                var borderStyle = new Style(typeof(Border));
                borderStyle.Setters.Add(new Setter(Border.CornerRadiusProperty, new CornerRadius(5)));
                b.Resources.Add(typeof(Border), borderStyle);
                b.Click += (sender, evt) => {
                    if (App.Plant == null || sender is not Button b) return;
                    var i = int.Parse($"{b.Content}"[1..]);
                    if (App.Plant.WantValveOpen(i)) {
                        App.Plant.CloseV(i);
                    } else {
                        App.Plant.OpenV(i);
                    }
                    App.Plant.CommitChanges();
                };
                ButtonPanel.Children.Add(b);
            }
        }

        public async void ConnectButton_Click(object? sender, RoutedEventArgs evt) {
            try {
                App.Plant = new(PortInput.Text);
                App.Plant.Update += OnUpdate;
                await App.Plant.StartThread();
            } catch (Exception exc) {
                App.Plant?.Dispose();
                App.Plant = null;
                var str = "Beim Aufbauen einer Verbindung zur SPS ist ein Fehler aufgetreten:\n\n" + exc.Message;
                if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                MessageBox.Show(str, "SPS-Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        public void OnUpdate(object? sender, EventArgs evt) {
            if (sender is not PamhagenPlant plant) return;

            for (int i = 1; i <= 60; i++) {
                var target = plant.WantValveClosed(i);
                var actual = plant.IsValveClosed(i);
                if (ButtonPanel.Children[i - 1] is not Button b)
                    continue;
                b.BorderBrush = target ? Brushes.DarkRed : Brushes.SlateGray;
                b.Foreground = target ? Brushes.DarkRed : Brushes.Black;
                b.Background = actual ? Brushes.MistyRose : Brushes.WhiteSmoke;
            }

            Status.Text = $"""
            Gradation °Oe: {plant.GradationOe:N2}
            Presse Querschnecke: {plant.PresseQuerSchnecke}
            Füllstände:
              Wanne A1: {plant.FillLevelA1} (ausgewählt: {plant.WantA1Selected}, Status: {plant.IsA1Selected})
              Wanne A2: {plant.FillLevelA2} (ausgewählt: {plant.WantA2Selected}, Status: {plant.IsA2Selected})
              Presse 1: {plant.FillLevelPress1}
              Presse 2: {plant.FillLevelPress2}
              Tank 1: {plant.FillLevelT1}
              Tank 2: {plant.FillLevelT2}
              Tank 3: {plant.FillLevelT3}
              Tank 4: {plant.FillLevelT4}
              Tank 5: {plant.FillLevelT5}
              Tank 6: {plant.FillLevelT6}
              Tank 7: {plant.FillLevelT7}
              Tank 8: {plant.FillLevelT8}
              Tank 9: {plant.FillLevelT9}
            """;
        }
    }
}