using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using Avalonia.Media;
using Project_Periodensystem.Model;
using Project_Periodensystem.Persistence;
using Project_Periodensystem.View.Converters;
using System;
using System.Globalization;
using System.Linq;

namespace Project_Periodensystem.View
{
    public partial class PeriodicTablePage : UserControl
    {
        private readonly Grid? periodicGrid;

        public PeriodicTablePage()
        {
            InitializeComponent();
            periodicGrid = this.Find<Grid>("PeriodicGrid");
            InitializePeriodicTable();
        }

        private void InitializeComponent()
        {
            AvaloniaXamlLoader.Load(this);
        }

        private void InitializePeriodicTable()
        {
            try
            {
                Logger.Log("Initialisiere PeriodicTable...");
                
                // Prüfen ob das Grid gefunden wurde
                if (periodicGrid == null)
                {
                    Logger.Log("FEHLER: PeriodicGrid nicht gefunden!");
                    return;
                }

                // Prüfen ob Elemente vorhanden sind
                if (PeriodicTableData.Elements == null || !PeriodicTableData.Elements.Any())
                {
                    Logger.Log("FEHLER: Keine Elemente in PeriodicTableData!");
                    return;
                }

                var converter = new SeriesToColorConverter();
                // Elemente hinzufügen
                foreach (var element in PeriodicTableData.Elements)
                {
                    Logger.Log($"Füge Element hinzu: {element.Symbol} ({element.Row},{element.Column})");
                    
                    var border = new Border
                    {
                        Width = 58,
                        Height = 58,
                        Margin = new Thickness(1),
                        CornerRadius = new CornerRadius(4),
                        BorderThickness = new Thickness(1),
                        BorderBrush = new SolidColorBrush(Colors.Gray),
                        Background = converter.Convert(element.Series, typeof(IBrush), null!, CultureInfo.CurrentCulture) as IBrush // Hier wird die Farbe gesetzt
                    };

                    var stackPanel = new StackPanel();
                    
                    // Symbol
                    stackPanel.Children.Add(new TextBlock
                    {
                        Text = element.Symbol,
                        FontSize = 20,
                        Foreground = new SolidColorBrush(Colors.White),
                        HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center
                    });

                    // Atomic Number
                    stackPanel.Children.Add(new TextBlock
                    {
                        Text = element.AtomicNumber.ToString(),
                        FontSize = 12,
                        Foreground = new SolidColorBrush(Colors.White),
                        HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center
                    });

                    border.Child = stackPanel;

                    // Position setzen
                    Grid.SetRow(border, Math.Max(0, element.Row - 1));
                    Grid.SetColumn(border, Math.Max(0, element.Column - 1));
                    
                    periodicGrid.Children.Add(border);
                    Logger.Log($"Element {element.Symbol} wurde hinzugefügt");
                }

                Logger.Log("PeriodicTable wurde initialisiert");
            }
            catch (Exception ex)
            {
                Logger.Log($"FEHLER beim Initialisieren des PeriodicTable: {ex.Message}");
                Logger.Log($"StackTrace: {ex.StackTrace}");
            }
        }

        private void ThemeButton_Click(object? sender, RoutedEventArgs e)
        {
            var nextTheme = MainWindow.CurrentTheme switch
            {
                AppTheme.Dark => AppTheme.Light,
                AppTheme.Light => AppTheme.Classic,
                _ => AppTheme.Dark
            };

            if (this.Parent is ContentControl content && content.Parent is MainWindow mainWindow)
            {
                mainWindow.UpdateTheme(nextTheme);
            }
        }

        private void AboutButton_Click(object? sender, RoutedEventArgs e)
        {
            if (this.Parent is ContentControl content && content.Parent is MainWindow mainWindow)
            {
                mainWindow.ShowAboutPage();
            }
        }
    }
}