using System;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Platform.Storage;

namespace Logof_Client;

public partial class MainWindow : Window
{
    public static MainWindow _instance;
    public Uri filePath;

    public MainWindow()
    {
        InitializeComponent();
        _instance = this;
        WindowState = WindowState.Maximized;
    }

    private async void StartAddressCheck(Uri path)
    {
        var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
        var progressWindow = new ProgressWindow();

        progressWindow.Show(_instance);

        var processor = new AddressCheck(progressWindow);
        var result = await processor.Perform(addresses.Item2);


        progressWindow.Close();


        new ResultWindow(result, addresses.Item2).Show();
        //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
    }

    private async void StartAddressRepair(Uri path)
    {
        var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
        var progressWindow = new ProgressWindow();

        progressWindow.Show(_instance);

        var processor = new AddressRepair(progressWindow);
        //var result = await processor.Perform(addresses.Item2, errors);


        progressWindow.Close();


        //new ResultWindow(result, addresses.Item2).Show();
        //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
    }

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

    private void MnuAbout_OnClick(object? sender, RoutedEventArgs e)
    {
        throw new NotImplementedException();
    }

    private void MnuSettings_OnClick(object? sender, RoutedEventArgs e)
    {
        throw new NotImplementedException();
    }

    private void MnuHelp_OnClick(object? sender, RoutedEventArgs e)
    {
        throw new NotImplementedException();
    }

    private void MnuGithub_OnClick(object? sender, RoutedEventArgs e)
    {
        throw new NotImplementedException();
    }

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

        if (file == null) return;
        //TbFilename.Text = file[0].Path.ToString();
        filePath = file[0].Path;
    }

    private void BtnCheck_OnClick(object? sender, RoutedEventArgs e)
    {
        if (filePath == null)
        {
            MessageBox.Show(null, "Bitte zunächst eine Datei auswählen", "Datei fehlt");
            return;
        }

        StartAddressCheck(filePath);
        // var result = DataImport.ImportKasAddressList(filePath);
        // if (result.Item1)
        // {
        //     var check_result = new AddressCheck().Perform(result.Item2);
        //     foreach (var item in check_result.Result)
        //     {
        //         Console.WriteLine();
        //         Console.Write(item.Item1 + " ");
        //         foreach (var error in item.Item2) Console.Write(error + ", ");
        //     }
        // }
    }

    private void BtnCombine_OnClick(object? sender, RoutedEventArgs e)
    {
        if (filePath == null)
        {
            MessageBox.Show(null, "Bitte zunächst eine Datei auswählen", "Datei fehlt");
            return;
        }

        StartCombine(filePath);
    }

    private async void StartCombine(Uri path)
    {
        var addresses = DataImport.ImportKasAddressList(path);
        var progressWindow = new ProgressWindow();
        var address_list = new List<KasAddressList> { addresses.Item2 };

        var topLevel = GetTopLevel(this);
        var file = await topLevel!.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
        {
            Title = "Weitere KAS-CSV-Dateien auswählen",
            AllowMultiple = true,
            FileTypeFilter = new[]
            {
                new FilePickerFileType(".csv-Dateien")
                {
                    Patterns = new[] { "*.csv" }
                    //Patterns = new[] { "*" }
                }
            }
        });

        if (file == null) return;

        //filePath = file[0].Path;
        foreach (var f in file) address_list.Add(DataImport.ImportKasAddressList(f.Path).Item2);


        progressWindow.Show(_instance);

        var processor = new CombineAddresses(progressWindow);
        var result = await processor.Perform(address_list);


        progressWindow.Close();
        File.WriteAllText(OpenSettingsSaveAsDialog().Result,
            new CsvBuilder(
                "refsid,anrede,titel,vorname,adel,name,namezus,anredzus,strasse,strasse2,plz,ort,land,pplz,postfach,name1,name2,name3,name4,name5,funktion,funktion2,abteilung,funktionad,lastupdate",
                result).BuildKas());
    }

    private async Task<string> OpenSettingsSaveAsDialog()
    {
        var settingsFileName = "KAS-Adress-Liste";

        try
        {
            var filePicker = new SaveFileDialog
            {
                Title = "Datei speichern...",
                InitialFileName = $"{settingsFileName}.csv",
                DefaultExtension = ".csv",
                Filters = new List<FileDialogFilter>
                {
                    new() { Name = "CSV-Datei", Extensions = { "csv" } }
                }
            };

            var settingsSavePath = await filePicker.ShowAsync(this);
            if (settingsSavePath == null)
            {
            }

            return settingsSavePath;
            //SettingsManager.Save(settingsSavePath);
            //Logger.Log("Settings saved at " + settingsSavePath);
        }
        catch (Exception ex)
        {
            //Logger.Log("Saving file not successfull: " + ex.Message, Logger.LogType.Error);
            await MessageBox.Show(this, ex.Message, "Fehler beim Speichern der Datei");
            return null;
        }
    }
}