using System.IO;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using Azaion.Common.Database;
using Azaion.Common.DTO;
using Azaion.Common.DTO.Config;
using Azaion.Common.Services;
using Azaion.Common.Services.Inference;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using SharpVectors.Converters;

namespace Azaion.Suite;

public partial class MainSuite
{
    private readonly AppConfig      _appConfig;
    private readonly IConfigUpdater _configUpdater;
    private readonly IEnumerable<IAzaionModule> _modules;
    private readonly IServiceProvider _sp;
    private readonly IGalleryService _galleryService;
    private readonly IDbFactory _dbFactory;
    private readonly Dictionary<WindowEnum, Window> _openedWindows = new();
    private readonly IInferenceClient _inferenceClient;
    private readonly IGpsMatcherClient _gpsMatcherClient;

    public MainSuite(IOptions<AppConfig> appConfig,
        IConfigUpdater configUpdater,
        IEnumerable<IAzaionModule> modules,
        IServiceProvider sp,
        IGalleryService galleryService,
        IDbFactory dbFactory,
        IInferenceClient inferenceClient,
        IGpsMatcherClient gpsMatcherClient)
    {
        _configUpdater = configUpdater;
        _modules = modules;
        _sp = sp;
        _galleryService = galleryService;
        _dbFactory = dbFactory;
        _inferenceClient = inferenceClient;
        _gpsMatcherClient = gpsMatcherClient;
        _appConfig = appConfig.Value;

        InitializeComponent();
        Loaded += OnLoaded;
        Closed += OnFormClosed;
        Left = (SystemParameters.WorkArea.Width - Width) / 2;
    }

    private void OnLoaded(object sender, RoutedEventArgs e)
    {
        if (!Directory.Exists(_appConfig.DirectoriesConfig.LabelsDirectory))
            Directory.CreateDirectory(_appConfig.DirectoriesConfig.LabelsDirectory);
        if (!Directory.Exists(_appConfig.DirectoriesConfig.ImagesDirectory))
            Directory.CreateDirectory(_appConfig.DirectoriesConfig.ImagesDirectory);
        if (!Directory.Exists(_appConfig.DirectoriesConfig.ResultsDirectory))
            Directory.CreateDirectory(_appConfig.DirectoriesConfig.ResultsDirectory);

        foreach (var azaionModule in _modules)
        {
            var lvItem = new ListViewItem
            {
                Content = new StackPanel { Children =
                {
                    new SvgViewbox
                    {
                        SvgSource = azaionModule.SvgIcon,
                        Width = 24,
                        Height = 24,
                        Margin = new Thickness(0, 0, 10, 0)
                    },
                    new TextBlock
                    {
                        Text = azaionModule.Name,
                        Foreground = Brushes.White,
                        HorizontalAlignment = HorizontalAlignment.Center,
                        Background = Brushes.Black
                    }
                } },
                Background = Brushes.Black,
                Foreground = Brushes.White,
                Cursor = Cursors.Hand,
                Tag = azaionModule
            };
            lvItem.MouseUp += (lv, _) => OpenWindow((lv as ListViewItem)!);
            ListView.Items.Add(lvItem);
            _ = _sp.GetRequiredService(azaionModule.MainWindowType) as Window;
        }

        _ = Task.Run(async () => await _galleryService.RefreshThumbnails());

        //by default show first
        ListView.SelectedIndex = 0;
        OpenWindow((ListView.Items[0] as ListViewItem)!);
    }

    private void OpenWindow(ListViewItem sender)
    {
        var module = (sender.Tag as IAzaionModule)!;
        var window = (_sp.GetRequiredService(module.MainWindowType) as Window)!;

        if (_openedWindows.ContainsKey(module.WindowEnum))
            window.Activate();
        else
        {
            _openedWindows[module.WindowEnum] = window;
            window.Closed += (_, _) =>
            {
                _openedWindows.Remove(module.WindowEnum);
                if (_openedWindows.Any())
                    return;

                Close();
            };
            window.Show();
            window.Activate();
        }
    }

    private void OnFormClosed(object? sender, EventArgs e)
    {
        foreach (var window in _openedWindows)
            window.Value.Close();

        _inferenceClient.Dispose();
        _gpsMatcherClient.Dispose();
        Application.Current.Shutdown();
    }

    private void CloseBtn_OnClick(object sender, RoutedEventArgs e) => Close();

    private double _startMouseMovePosition;

    private void OnMouseMove(object sender, MouseEventArgs e)
    {
        if (e.OriginalSource is Button || e.OriginalSource is StackPanel)
            return;

        if (e.LeftButton == MouseButtonState.Pressed)
            Left = System.Windows.Forms.Cursor.Position.X - _startMouseMovePosition;
    }

    private void MainSuite_OnMouseDown(object sender, MouseButtonEventArgs e)
    {
        _startMouseMovePosition = e.GetPosition(this).X;
    }
}