using System;
using System.Collections.Generic;
using System.Diagnostics;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Platform.Storage;

namespace spplus;

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

    private void MnuExpSettings_OnClick(object? sender, RoutedEventArgs e)
    {
        var res = MessageBox.Show(this, "Dieses Feature ist noch nicht implementiert", "Fehlend");
    }

    private void MnuExit_OnClick(object? sender, RoutedEventArgs e)
    {
        Environment.Exit(0);
    }

    private void MnuHelp_OnClick(object? sender, RoutedEventArgs e)
    {
        try
        {
            Process.Start(new ProcessStartInfo
            {
                FileName = "https://git.mypapercloud.de/fierke/spplus/wiki",
                UseShellExecute = true // Wichtig für Plattformübergreifendes Öffnen
            });
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
        }
    }

    private void MnuGit_OnClick(object? sender, RoutedEventArgs e)
    {
        try
        {
            Process.Start(new ProcessStartInfo
            {
                FileName = "https://git.mypapercloud.de/fierke/spplus",
                UseShellExecute = true // Wichtig für Plattformübergreifendes Öffnen
            });
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
        }
    }

    private void MnuAbout_OnClick(object? sender, RoutedEventArgs e)
    {
        Window w = new();
        w.WindowState = WindowState.Normal;
        w.WindowStartupLocation = WindowStartupLocation.CenterScreen;
        w.Width = 300;
        w.Height = 120;
        Grid g = new();
        TextBlock tb = new()
        {
            Text = "spplus v1.0.0\n(c)2026 MyPapertown, Elias Fierke"
        };
        g.Children.Add(tb);
        w.Content = g;
        w.Show();
    }

    private async void BtnImport_OnClick(object? sender, RoutedEventArgs e)
    {
        var topLevel = GetTopLevel(this);
        var file = await topLevel!.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
        {
            Title = "CSV-Datei auswählen",
            AllowMultiple = false,
            FileTypeFilter = new[]
            {
                new FilePickerFileType(".csv-Datei")
                {
                    Patterns = new[] { "*.csv" }
                }
            }
        });

        if (file == null) return;

        var imported_students = import.ImportStudentsFromFile(file[0].Path.LocalPath.ToString());
        foreach (var s in imported_students)
        {
            Settings.Instance.Students.Add(s);
        }
        RefreshImportedStudentList();

    }

    private void RefreshImportedStudentList()
    {
        LbStudentsImported.Items.Clear();
        foreach (var s in Settings.Instance.Students)
        {
            LbStudentsImported.Items.Add(s);
        }
    }

    private void BtnCraftCourses_OnClick(object? sender, RoutedEventArgs e)
    {
        // Craft courses here / call course-crafter
    }
}