using System.Diagnostics;

namespace CORP_MAUI.Controls;

public partial class DesktopLayout : ContentView
{
    public DesktopLayout()
    {
        InitializeComponent();
        Sidebar.NavigationRequested += OnNavigationRequested;
        
        // По умолчанию показываем ленту новостей
        LoadDefaultContent();
    }
    
    private void LoadDefaultContent()
    {
        // Создаём контент для ленты новостей в десктопном стиле
        var newsContent = CreateDesktopPostsContent();
        SetContent(newsContent);
    }
    
    private View CreateDesktopPostsContent()
    {
        // Заголовок страницы с поиском и кнопкой добавления
        var header = new Grid
        {
            ColumnDefinitions = new ColumnDefinitionCollection
            {
                new ColumnDefinition(GridLength.Auto),
                new ColumnDefinition(GridLength.Star),
                new ColumnDefinition(GridLength.Auto)
            },
            Margin = new Thickness(0, 0, 0, 20)
        };
        
        var title = new Label
        {
            Text = "Лента новостей",
            FontSize = 24,
            FontAttributes = FontAttributes.Bold,
            TextColor = Color.FromArgb("#333333"),
            VerticalOptions = LayoutOptions.Center
        };
        
        // Поисковая строка (по центру)
        var searchBox = new Border
        {
            StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 20 },
            BackgroundColor = Color.FromArgb("#F5F5F5"),
            Stroke = Color.FromArgb("#E0E0E0"),
            StrokeThickness = 1,
            Padding = new Thickness(15, 8),
            MaximumWidthRequest = 300,
            HorizontalOptions = LayoutOptions.Center,
            VerticalOptions = LayoutOptions.Center
        };
        var searchLayout = new HorizontalStackLayout { Spacing = 10 };
        searchLayout.Children.Add(new Label { Text = "🔍", FontSize = 14, TextColor = Color.FromArgb("#888888"), VerticalOptions = LayoutOptions.Center });
        searchLayout.Children.Add(new Entry { Placeholder = "Поиск по названию, автору или...", PlaceholderColor = Color.FromArgb("#888888"), BackgroundColor = Colors.Transparent, WidthRequest = 200 });
        searchBox.Content = searchLayout;
        
        // Кнопка добавления новости
        var addButton = new HorizontalStackLayout
        {
            Spacing = 8,
            VerticalOptions = LayoutOptions.Center
        };
        
        var plusBorder = new Border
        {
            StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 12 },
            BackgroundColor = Color.FromArgb("#0D6EFD"),
            HeightRequest = 24,
            WidthRequest = 24,
            Content = new Label { Text = "+", FontSize = 16, TextColor = Colors.White, HorizontalOptions = LayoutOptions.Center, VerticalOptions = LayoutOptions.Center }
        };
        var addLabel = new Label
        {
            Text = "Новость",
            FontSize = 16,
            TextColor = Color.FromArgb("#0D6EFD"),
            VerticalOptions = LayoutOptions.Center
        };
        addButton.Children.Add(plusBorder);
        addButton.Children.Add(addLabel);
        
        Grid.SetColumn(title, 0);
        Grid.SetColumn(searchBox, 1);
        Grid.SetColumn(addButton, 2);
        header.Children.Add(title);
        header.Children.Add(searchBox);
        header.Children.Add(addButton);
        
        // Контейнер для контента
        // Вместо простого VerticalStackLayout используем Grid, чтобы выделить header и scrollable area
        var root = new Grid
         {
             RowDefinitions = new RowDefinitionCollection
             {
                 new RowDefinition { Height = GridLength.Auto },
                 new RowDefinition { Height = new GridLength(1, GridUnitType.Star) }
             },
             VerticalOptions = LayoutOptions.Fill,
             HorizontalOptions = LayoutOptions.Fill
         };
        root.Add(header);
        Grid.SetRow(header, 0);

        // Здесь будет ScrollView с постами (загружается асинхронно)
        var postsContainer = new VerticalStackLayout
         {
             Spacing = 15,
            HorizontalOptions = LayoutOptions.Fill
         };
        
        // Placeholder пока загружаются посты
        var loadingIndicator = new ActivityIndicator
         {
             IsRunning = true,
             Color = Color.FromArgb("#0D6EFD"),
             HorizontalOptions = LayoutOptions.Center,
             Margin = new Thickness(0, 50)
         };
        postsContainer.Children.Add(loadingIndicator);
        
        // Корректно настраиваем ScrollView: Fill и layout-constraints
        var scrollView = new ScrollView { Content = postsContainer, VerticalOptions = LayoutOptions.Fill, HorizontalOptions = LayoutOptions.Fill };
        
        // Помещаем scrollView в фиксированную ячейку Grid
        root.Add(scrollView);
        Grid.SetRow(scrollView, 1);
        
        // Загружаем посты асинхронно
        _ = LoadPostsAsync(postsContainer);
        
        return root;
    }
    
    private async Task LoadPostsAsync(VerticalStackLayout container)
    {
        try
        {
            var response = await ServiceProvider.ApiService.GetPostsPaginatedAsync();
            var posts = response?.Results;
            
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                
                if (posts == null || !posts.Any())
                {
                    container.Children.Add(new Label
                    {
                        Text = "Нет новостей",
                        TextColor = Color.FromArgb("#888888"),
                        HorizontalOptions = LayoutOptions.Center,
                        Margin = new Thickness(0, 50)
                    });
                    return;
                }
                
                foreach (var post in posts)
                {
                    var postCard = CreatePostCard(post);
                    // Даем карточке разумные ограничения по ширине — чтобы не становилась слишком большой
                    if (postCard is View v)
                    {
                        v.HorizontalOptions = LayoutOptions.Fill;
                        v.WidthRequest = double.NaN; // позволяет занять доступную ширину
                        v.MaximumWidthRequest = 900; // не растягивать на весь экран
                    }
                    container.Children.Add(postCard);
                }
            });
        }
        catch (Exception ex)
        {
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                container.Children.Add(new Label
                {
                    Text = $"Ошибка загрузки: {ex.Message}",
                    TextColor = Color.FromArgb("#FF0000"),
                    HorizontalOptions = LayoutOptions.Center,
                    Margin = new Thickness(0, 50)
                });
            });
        }
    }
    
    private View CreatePostCard(CORP_MAUI.Models.Post post)
    {
        var card = new Border
        {
            BackgroundColor = Colors.White,
            StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 12 },
            Stroke = Colors.Transparent,
            Padding = new Thickness(20),
            Shadow = new Shadow
            {
                Brush = new SolidColorBrush(Colors.Black),
                Opacity = 0.1f,
                Offset = new Point(0, 2),
                Radius = 8
            },
            HorizontalOptions = LayoutOptions.Fill
        };
        
        var content = new VerticalStackLayout { Spacing = 12 };
        
        // Автор и дата
        var authorRow = new HorizontalStackLayout { Spacing = 10 };
        
        var avatarImage = new Image
        {
            Source = post.Author?.DisplayAvatarSource,
            Aspect = Aspect.AspectFill,
            HeightRequest = 40,
            WidthRequest = 40
        };
        
        var avatar = new Border
        {
            StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 20 },
            HeightRequest = 40,
            WidthRequest = 40,
            BackgroundColor = Color.FromArgb("#E0E0E0"),
            Stroke = Colors.Transparent,
            Content = avatarImage
        };
        
        var authorInfo = new VerticalStackLayout();
        authorInfo.Children.Add(new Label
        {
            Text = post.Author?.FullName ?? "Автор",
            FontAttributes = FontAttributes.Bold,
            TextColor = Color.FromArgb("#333333")
        });
        authorInfo.Children.Add(new Label
        {
            Text = post.CreatedAt.ToString("dd.MM.yyyy HH:mm"),
            FontSize = 12,
            TextColor = Color.FromArgb("#888888")
        });
        authorRow.Children.Add(avatar);
        authorRow.Children.Add(authorInfo);
        content.Children.Add(authorRow);
        
        // Изображение поста (если есть)
        if (!string.IsNullOrEmpty(post.DisplayImageUrl))
        {
            var imageContainer = new Border
            {
                StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 8 },
                Stroke = Colors.Transparent,
                HeightRequest = 300,
                Margin = new Thickness(0, 10)
            };
            var postImage = new Image
            {
                Source = post.DisplayImageUrl,
                Aspect = Aspect.AspectFill,
                HeightRequest = 300,
                HorizontalOptions = LayoutOptions.Fill
            };
            imageContainer.Content = postImage;
            content.Children.Add(imageContainer);
        }
        
        // Заголовок
        if (!string.IsNullOrEmpty(post.Title))
        {
            content.Children.Add(new Label
            {
                Text = post.Title,
                FontSize = 18,
                FontAttributes = FontAttributes.Bold,
                TextColor = Color.FromArgb("#0D6EFD")
            });
        }
        
        // Текст
        if (!string.IsNullOrEmpty(post.Content))
        {
            var isTruncated = post.Content.Length > 200;
            var textContent = isTruncated 
                ? post.Content.Substring(0, 200) + "..." 
                : post.Content;
            
            var textRow = new HorizontalStackLayout { Spacing = 5 };
            textRow.Children.Add(new Label
            {
                Text = textContent,
                TextColor = Color.FromArgb("#333333"),
                LineBreakMode = LineBreakMode.WordWrap,
                HorizontalOptions = LayoutOptions.FillAndExpand
            });
            
            if (isTruncated)
            {
                textRow.Children.Add(new Label
                {
                    Text = "Показать дальше",
                    TextColor = Color.FromArgb("#0D6EFD"),
                    FontSize = 14,
                    VerticalOptions = LayoutOptions.End
                });
            }
            
            content.Children.Add(textRow);
        }
        
        // Лайки и комментарии
        var statsRow = new HorizontalStackLayout { Spacing = 20, Margin = new Thickness(0, 10, 0, 0) };
        statsRow.Children.Add(new HorizontalStackLayout
        {
            Spacing = 5,
            Children =
            {
                new Label { Text = "👍", FontSize = 14 },
                new Label { Text = post.LikesCount.ToString(), TextColor = Color.FromArgb("#888888") }
            }
        });
        statsRow.Children.Add(new HorizontalStackLayout
        {
            Spacing = 5,
            Children =
            {
                new Label { Text = "💬", FontSize = 14 },
                new Label { Text = post.CommentsCount.ToString(), TextColor = Color.FromArgb("#888888") }
            }
        });
        content.Children.Add(statsRow);
        
        card.Content = content;
        return card;
    }
    
    public void SetContent(View content)
    {
        MainContent.Content = content;
    }
    
    private void OnNavigationRequested(object? sender, string route)
    {
        switch (route)
        {
            case "Profile":
                LoadProfileContent();
                break;
            case "News":
                LoadDefaultContent();
                break;
            case "Employees":
                LoadEmployeesContent();
                break;
            case "Departments":
                LoadDepartmentsContent();
                break;
            case "Requests":
                LoadRequestsContent();
                break;
            case "Chats":
                LoadChatsContent();
                break;
            case "Documents":
                LoadDocumentsContent();
                break;
        }
    }
    
    private void LoadProfileContent()
    {
        var content = new VerticalStackLayout { Spacing = 15 };
        content.Children.Add(CreatePageHeader("Мой профиль"));
        
        var loadingIndicator = new ActivityIndicator
        {
            IsRunning = true,
            Color = Color.FromArgb("#0D6EFD"),
            HorizontalOptions = LayoutOptions.Center,
            Margin = new Thickness(0, 50)
        };
        content.Children.Add(loadingIndicator);
        
        SetContent(content);
        _ = LoadProfileAsync(content);
    }
    
    private async Task LoadProfileAsync(VerticalStackLayout container)
    {
        try
        {
            var user = await ServiceProvider.ApiService.GetCurrentUserAsync();
            
            // Предзагружаем аватар
            if (user != null)
            {
                await ServiceProvider.ApiService.LoadUserAvatarAsync(user);
            }
            
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                container.Children.Add(CreatePageHeader("Мой профиль"));
                
                if (user == null)
                {
                    container.Children.Add(new Label { Text = "Не удалось загрузить профиль", TextColor = Colors.Red });
                    return;
                }
                
                var card = new Border
                {
                    BackgroundColor = Colors.White,
                    StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 12 },
                    Stroke = Colors.Transparent,
                    Padding = new Thickness(30),
                    Shadow = new Shadow { Brush = new SolidColorBrush(Colors.Black), Opacity = 0.1f, Offset = new Point(0, 2), Radius = 8 }
                };
                
                var profileContent = new HorizontalStackLayout { Spacing = 30 };
                
                // Аватар
                var avatarImage = new Image
                {
                    Source = user.DisplayAvatarSource,
                    Aspect = Aspect.AspectFill,
                    HeightRequest = 120,
                    WidthRequest = 120
                };
                var avatarBorder = new Border
                {
                    StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 60 },
                    HeightRequest = 120,
                    WidthRequest = 120,
                    BackgroundColor = Color.FromArgb("#E0E0E0"),
                    Stroke = Colors.Transparent,
                    Content = avatarImage
                };
                
                // Индикатор онлайн
                if (user.IsOnline)
                {
                    var onlineIndicator = new Border
                    {
                        StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 8 },
                        HeightRequest = 16,
                        WidthRequest = 16,
                        BackgroundColor = Color.FromArgb("#28A745"),
                        Stroke = Colors.White,
                        StrokeThickness = 2,
                        VerticalOptions = LayoutOptions.End,
                        HorizontalOptions = LayoutOptions.End,
                        Margin = new Thickness(0, 0, 8, 8)
                    };
                    var avatarGrid = new Grid { Children = { avatarBorder, onlineIndicator } };
                    profileContent.Children.Add(avatarGrid);
                }
                else
                {
                    profileContent.Children.Add(avatarBorder);
                }
                
                // Информация о пользователе
                var infoStack = new VerticalStackLayout { Spacing = 10 };
                infoStack.Children.Add(new Label { Text = user.FullName, FontSize = 24, FontAttributes = FontAttributes.Bold, TextColor = Color.FromArgb("#333333") });
                
                if (!string.IsNullOrEmpty(user.PositionName))
                    infoStack.Children.Add(new Label { Text = user.PositionName, FontSize = 16, TextColor = Color.FromArgb("#0D6EFD") });
                
                infoStack.Children.Add(new Label { Text = user.Email, FontSize = 14, TextColor = Color.FromArgb("#666666") });
                
                if (!string.IsNullOrEmpty(user.PhoneNumber))
                    infoStack.Children.Add(new Label { Text = user.PhoneNumber, FontSize = 14, TextColor = Color.FromArgb("#666666") });
                
                // Отделы
                if (user.Departments != null && user.Departments.Any())
                {
                    infoStack.Children.Add(new Label { Text = "Отделы:", FontSize = 13, TextColor = Color.FromArgb("#888888"), Margin = new Thickness(0, 10, 0, 0) });
                    foreach (var dept in user.Departments)
                    {
                        infoStack.Children.Add(new Label { Text = $"• {dept.Name}", FontSize = 14, TextColor = Color.FromArgb("#404040") });
                    }
                }
                
                // Навыки
                if (user.Skills != null && user.Skills.Any())
                {
                    infoStack.Children.Add(new Label { Text = "Навыки:", FontSize = 13, TextColor = Color.FromArgb("#888888"), Margin = new Thickness(0, 10, 0, 0) });
                    var skillsLayout = new FlexLayout { Wrap = Microsoft.Maui.Layouts.FlexWrap.Wrap, JustifyContent = Microsoft.Maui.Layouts.FlexJustify.Start };
                    foreach (var skill in user.Skills)
                    {
                        var skillBadge = new Border
                        {
                            Padding = new Thickness(10, 5),
                            Margin = new Thickness(0, 5, 8, 0),
                            StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 12 },
                            BackgroundColor = Color.FromArgb("#E8F4FD"),
                            Content = new Label { Text = skill.Name, FontSize = 12, TextColor = Color.FromArgb("#0D6EFD") }
                        };
                        skillsLayout.Children.Add(skillBadge);
                    }
                    infoStack.Children.Add(skillsLayout);
                }
                
                profileContent.Children.Add(infoStack);
                card.Content = profileContent;
                container.Children.Add(card);
            });
        }
        catch (Exception ex)
        {
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                container.Children.Add(new Label { Text = $"Ошибка: {ex.Message}", TextColor = Colors.Red });
            });
        }
    }
    
    private void LoadEmployeesContent()
    {
        var content = new VerticalStackLayout { Spacing = 15 };
        content.Children.Add(CreatePageHeader("Сотрудники"));
        
        var container = new VerticalStackLayout { Spacing = 10 };
        container.Children.Add(new ActivityIndicator { IsRunning = true, Color = Color.FromArgb("#0D6EFD"), HorizontalOptions = LayoutOptions.Center, Margin = new Thickness(0, 50) });
        // Устанавливаем FillAndExpand чтобы контейнер занял пространство внутри MainContent
        content.Children.Add(new ScrollView { Content = container, VerticalOptions = LayoutOptions.Fill, HorizontalOptions = LayoutOptions.Fill });
        
        SetContent(content);
        _ = LoadEmployeesAsync(container);
    }
    
    private async Task LoadEmployeesAsync(VerticalStackLayout container)
    {
        try
        {
            var response = await ServiceProvider.ApiService.GetEmployeesPaginatedAsync();
            var employees = response?.Results;
            
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                
                if (employees == null || !employees.Any())
                {
                    container.Children.Add(new Label { Text = "Нет сотрудников", TextColor = Color.FromArgb("#888888"), HorizontalOptions = LayoutOptions.Center });
                    return;
                }
                
                foreach (var emp in employees)
                {
                    var card = new Border
                    {
                        BackgroundColor = Colors.White,
                        StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 8 },
                        Stroke = Colors.Transparent,
                        Padding = new Thickness(15),
                        Margin = new Thickness(0, 0, 0, 5),
                        HorizontalOptions = LayoutOptions.Fill
                    };
                    
                    var row = new HorizontalStackLayout { Spacing = 15 };
                    
                    // Аватарка сотрудника
                    var avatarImage = new Image
                    {
                        Source = emp.DisplayAvatarSource,
                        Aspect = Aspect.AspectFill,
                        HeightRequest = 40,
                        WidthRequest = 40
                    };
                    
                    var avatarBorder = new Border 
                    { 
                        StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 20 }, 
                        HeightRequest = 40, 
                        WidthRequest = 40, 
                        BackgroundColor = Color.FromArgb("#E0E0E0"),
                        Stroke = Colors.Transparent,
                        Content = avatarImage
                    };
                    
                    row.Children.Add(avatarBorder);
                    
                    var info = new VerticalStackLayout();
                    info.Children.Add(new Label { Text = emp.FullName, FontAttributes = FontAttributes.Bold, TextColor = Color.FromArgb("#333333") });
                    info.Children.Add(new Label { Text = emp.PositionName ?? emp.Email, FontSize = 12, TextColor = Color.FromArgb("#888888") });
                    row.Children.Add(info);
                    
                    card.Content = row;
                    
                    // Добавляем обработчик нажатия для открытия профиля сотрудника
                    var tapGesture = new TapGestureRecognizer();
                    int employeeId = emp.Id; // Захватываем ID для замыкания
                    tapGesture.Tapped += async (_, _) =>
                    {
                        try
                        {
                            System.Diagnostics.Debug.WriteLine($"[DesktopLayout] >>> Открытие профиля сотрудника ID: {employeeId}");
                            var nav = ResolveNavigation();
                            if (nav != null)
                            {
                                await nav.PushAsync(new CORP_MAUI.Pages.EmployeeProfilePage(employeeId));
                                return;
                            }

                            System.Diagnostics.Debug.WriteLine($"[DesktopLayout] ❌ Не удалось найти навигацию для открытия профиля {employeeId}");
                        }
                        catch (Exception ex)
                        {
                            System.Diagnostics.Debug.WriteLine($"[DesktopLayout] ❌ Ошибка навигации к профилю: {ex.Message}");
                        }
                    };
                    card.GestureRecognizers.Add(tapGesture);
                    
                    container.Children.Add(card);
                }
            });
        }
        catch (Exception ex)
        {
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                container.Children.Add(new Label { Text = $"Ошибка: {ex.Message}", TextColor = Colors.Red });
            });
        }
    }
    
    private void LoadDepartmentsContent()
    {
        // Заголовок с количеством и поиском
        var headerRow = new Grid
        {
            ColumnDefinitions = new ColumnDefinitionCollection
            {
                new ColumnDefinition(GridLength.Auto),
                new ColumnDefinition(GridLength.Star),
                new ColumnDefinition(GridLength.Auto)
            },
            Margin = new Thickness(0, 0, 0, 20)
        };
        
        var titleStack = new VerticalStackLayout();
        titleStack.Children.Add(new Label { Text = "Отделы", FontSize = 24, FontAttributes = FontAttributes.Bold, TextColor = Color.FromArgb("#333333") });
        var countLabel = new Label { Text = "Всего отделов: ...", FontSize = 13, TextColor = Color.FromArgb("#888888") };
        titleStack.Children.Add(countLabel);
        Grid.SetColumn(titleStack, 0);
        headerRow.Children.Add(titleStack);
        
        // Поисковая строка
        var searchBox = new Border
        {
            StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 20 },
            BackgroundColor = Color.FromArgb("#F5F5F5"),
            Stroke = Color.FromArgb("#E0E0E0"),
            StrokeThickness = 1,
            Padding = new Thickness(15, 8),
            MaximumWidthRequest = 300,
            HorizontalOptions = LayoutOptions.End,
            VerticalOptions = LayoutOptions.Center
        };
        var searchLayout = new HorizontalStackLayout { Spacing = 10 };
        searchLayout.Children.Add(new Image { Source = "search", HeightRequest = 16, WidthRequest = 16 });
        searchLayout.Children.Add(new Entry { Placeholder = "Поиск по названию, автору", PlaceholderColor = Color.FromArgb("#888888"), BackgroundColor = Colors.Transparent, WidthRequest = 200 });
        searchBox.Content = searchLayout;
        Grid.SetColumn(searchBox, 2);
        headerRow.Children.Add(searchBox);
        
        // Контейнер для сетки отделов с прокруткой
        var gridContainer = new VerticalStackLayout { Spacing = 12, VerticalOptions = LayoutOptions.Fill, HorizontalOptions = LayoutOptions.Fill };
        
        // Добавляем ActivityIndicator пока загружается
        var activityIndicator = new ActivityIndicator 
        { 
            IsRunning = true, 
            Color = Color.FromArgb("#0D6EFD"), 
            HorizontalOptions = LayoutOptions.Center,
            VerticalOptions = LayoutOptions.Center,
            Margin = new Thickness(0, 50)
        };
        gridContainer.Children.Add(activityIndicator);
        
        // Используем ScrollView вокруг контейнера (и обеспечиваем FillAndExpand у scrollView)
        var scrollView = new ScrollView 
        { 
            Content = gridContainer,
            VerticalOptions = LayoutOptions.Fill,
            HorizontalOptions = LayoutOptions.Fill
        };
        
        // Основной контейнер
        var content = new Grid 
         { 
             RowDefinitions = new RowDefinitionCollection
             {
                 new RowDefinition { Height = GridLength.Auto },
                 new RowDefinition { Height = new GridLength(1, GridUnitType.Star) }
             },
             VerticalOptions = LayoutOptions.Fill,
             HorizontalOptions = LayoutOptions.Fill
         };
        
        Grid.SetRow(headerRow, 0);
        content.Children.Add(headerRow);
        
        Grid.SetRow(scrollView, 1);
        content.Children.Add(scrollView);
        
        SetContent(content);
        _ = LoadDepartmentsAsync(gridContainer, countLabel);
    }
    
    private async Task LoadDepartmentsAsync(VerticalStackLayout container, Label countLabel)
    {
        try
        {
            System.Diagnostics.Debug.WriteLine("[DesktopLayout] >>> Начало загрузки отделов");
            var departments = await ServiceProvider.ApiService.GetAllDepartmentsAsync();
            System.Diagnostics.Debug.WriteLine($"[DesktopLayout] Получено отделов: {departments?.Count ?? 0}");
            
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                System.Diagnostics.Debug.WriteLine("[DesktopLayout] Очистка контейнера...");
                container.Children.Clear();
                
                if (departments == null || !departments.Any())
                {
                    System.Diagnostics.Debug.WriteLine("[DesktopLayout] ⚠️ Нет отделов для отображения");
                    var emptyLabel = new Label { Text = "Нет отделов", TextColor = Color.FromArgb("#888888"), HorizontalOptions = LayoutOptions.Center };
                    container.Children.Add(emptyLabel);
                    return;
                }
                
                countLabel.Text = $"Всего отделов: {departments.Count}";
                System.Diagnostics.Debug.WriteLine($"[DesktopLayout] Создание {departments.Count} карточек отделов...");
                
                // Для корректной прокрутки и размеров используем Grid с равномерными колонками (Star) и поместим его в ScrollView
                var grid = new Grid
                {
                    ColumnDefinitions = new ColumnDefinitionCollection
                    {
                        new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) },
                        new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) }
                    },
                    ColumnSpacing = 16,
                    RowSpacing = 16,
                    HorizontalOptions = LayoutOptions.Fill
                };
                
                // Добавляем карточки в Grid
                for (int i = 0; i < departments.Count; i++)
                {
                    var card = CreateDepartmentCard(departments[i]);
                    int row = i / 2;
                    int col = i % 2;
                    
                    // Добавляем строку если нужно
                    if (row >= grid.RowDefinitions.Count)
                    {
                        grid.RowDefinitions.Add(new RowDefinition { Height = GridLength.Auto });
                    }
                    
                    Grid.SetRow(card, row);
                    Grid.SetColumn(card, col);
                    grid.Children.Add(card);
                    
                    System.Diagnostics.Debug.WriteLine($"[DesktopLayout] ✅ Добавлена карточка {i + 1} в позицию [{row}, {col}]");
                }
                
                // Оборачиваем grid в контейнер, даём ему FillAndExpand чтобы прокрутка работала корректно
                grid.HorizontalOptions = LayoutOptions.Fill;
                container.Children.Add(grid);
                System.Diagnostics.Debug.WriteLine($"[DesktopLayout] ✅ Grid создан с {grid.RowDefinitions.Count} строками");
                
                // Загружаем аватарки сотрудников для каждого отдела
                foreach (var dept in departments)
                {
                    _ = LoadDepartmentEmployeesAsync(dept);
                }
            });
        }
        catch (Exception ex)
        {
            System.Diagnostics.Debug.WriteLine($"[DesktopLayout] ❌ Ошибка загрузки отделов: {ex.Message}");
            System.Diagnostics.Debug.WriteLine($"[DesktopLayout] Stack trace: {ex.StackTrace}");
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                var errorLabel = new Label { Text = $"Ошибка: {ex.Message}", TextColor = Colors.Red };
                container.Children.Add(errorLabel);
            });
        }
    }
    
    private View CreateDepartmentCard(CORP_MAUI.Models.Department dept)
    {
        var card = new Border
        {
            BackgroundColor = Colors.White,
            StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 12 },
            Stroke = Color.FromArgb("#E0E0E0"),
            StrokeThickness = 1,
            Padding = new Thickness(16),
            Margin = new Thickness(0),
            HorizontalOptions = LayoutOptions.Fill
        };
        
        var content = new VerticalStackLayout { Spacing = 8 };
        
        // Название отдела
        content.Children.Add(new Label 
        { 
            Text = dept.Name, 
            FontSize = 15, 
            FontAttributes = FontAttributes.Bold, 
            TextColor = Color.FromArgb("#333333"),
            LineBreakMode = LineBreakMode.TailTruncation,
            MaxLines = 1
        });
        
        // Руководитель
        content.Children.Add(new Label 
        { 
            Text = "Руководитель:", 
            FontSize = 11, 
            TextColor = Color.FromArgb("#888888") 
        });
        
        string headName = dept.Head?.FullName ?? "Не назначен";
        content.Children.Add(new Label 
        { 
            Text = headName, 
            FontSize = 12, 
            TextColor = Color.FromArgb("#0D6EFD"),
            FontAttributes = FontAttributes.None,
            LineBreakMode = LineBreakMode.TailTruncation,
            MaxLines = 1
        });
        
        // Количество сотрудников
        content.Children.Add(new Label 
        { 
            Text = $"{dept.EmployeesCount} сотрудников", 
            FontSize = 11, 
            TextColor = Color.FromArgb("#666666"),
            Margin = new Thickness(0, 4, 0, 4)
        });
        
        // Аватарки сотрудников (серые кружки, которые потом заменятся на реальные)
        var avatarsRow = new HorizontalStackLayout { Spacing = -8, HorizontalOptions = LayoutOptions.Start };
        
        // Сохраняем ссылку на контейнер аватарок в свойстве отдела для последующего обновления
        dept.AvatarsContainer = avatarsRow;
        
        int avatarCount = Math.Min(dept.EmployeesCount, 5);
        for (int i = 0; i < avatarCount; i++)
        {
            var avatar = new Border
            {
                StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 15 },
                HeightRequest = 30,
                WidthRequest = 30,
                BackgroundColor = Color.FromArgb("#E0E0E0"),
                Stroke = Colors.White,
                StrokeThickness = 2
            };
            avatarsRow.Children.Add(avatar);
        }
        content.Children.Add(avatarsRow);
        
        card.Content = content;
        
        // Добавляем обработчик нажатия на карточку для навигации
        var tapGesture = new TapGestureRecognizer();
        int deptId = dept.Id; // Захватываем ID для замыкания
        tapGesture.Tapped += async (_, _) =>
        {
            try
            {
                System.Diagnostics.Debug.WriteLine($"[DesktopLayout] >>> Открытие отдела ID: {deptId}");
                var nav = ResolveNavigation();
                if (nav != null)
                {
                    await nav.PushAsync(new CORP_MAUI.Pages.DepartmentDetailsPage(deptId));
                    return;
                }

                System.Diagnostics.Debug.WriteLine($"[DesktopLayout] ❌ Не удалось найти навигацию для открытия отдела {deptId}");
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine($"[DesktopLayout] ❌ Ошибка навигации к отделу: {ex.Message}");
            }
        };
        card.GestureRecognizers.Add(tapGesture);
        
        return card;
    }
    
    private async Task LoadDepartmentEmployeesAsync(CORP_MAUI.Models.Department dept)
    {
        try
        {
            // Получаем сотрудников отдела
            var employees = await ServiceProvider.ApiService.GetDepartmentEmployeesAsync(dept.Id);
            
            if (employees != null && employees.Any())
            {
                // Обновляем аватарки в UI
                await MainThread.InvokeOnMainThreadAsync(() =>
                {
                    // Найдем карточку отдела и обновим аватарки
                    if (dept.AvatarsContainer != null)
                    {
                        dept.AvatarsContainer.Children.Clear();
                        
                        int avatarCount = Math.Min(employees.Count, 5);
                        for (int i = 0; i < avatarCount; i++)
                        {
                            var emp = employees[i];
                            var avatarImage = new Image
                            {
                                Source = emp.DisplayAvatarSource,
                                Aspect = Aspect.AspectFill,
                                HeightRequest = 30,
                                WidthRequest = 30
                            };
                            
                            var avatar = new Border
                            {
                                StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 15 },
                                HeightRequest = 30,
                                WidthRequest = 30,
                                BackgroundColor = Color.FromArgb("#E0E0E0"),
                                Stroke = Colors.White,
                                StrokeThickness = 2,
                                Content = avatarImage
                            };
                            dept.AvatarsContainer.Children.Add(avatar);
                        }
                    }
                });
            }
        }
        catch (Exception ex)
        {
            System.Diagnostics.Debug.WriteLine($"[DesktopLayout] Ошибка загрузки сотрудников отдела {dept.Id}: {ex.Message}");
        }
    }
    
    private void LoadRequestsContent()
    {
        var content = new VerticalStackLayout { Spacing = 15 };
        content.Children.Add(CreatePageHeader("Заявления"));
        
        var container = new VerticalStackLayout { Spacing = 10 };
        container.Children.Add(new ActivityIndicator { IsRunning = true, Color = Color.FromArgb("#0D6EFD"), HorizontalOptions = LayoutOptions.Center, Margin = new Thickness(0, 50) });
        content.Children.Add(new ScrollView { Content = container });
        
        SetContent(content);
        _ = LoadRequestsAsync(container);
    }
    
    private async Task LoadRequestsAsync(VerticalStackLayout container)
    {
        try
        {
            var response = await ServiceProvider.ApiService.GetRequestsPaginatedAsync();
            var requests = response?.Results;
            
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                
                if (requests == null || !requests.Any())
                {
                    container.Children.Add(new Label { Text = "Нет заявлений", TextColor = Color.FromArgb("#888888"), HorizontalOptions = LayoutOptions.Center });
                    return;
                }
                
                foreach (var req in requests)
                {
                    var statusColor = req.Status switch
                    {
                        "approved" => Color.FromArgb("#28A745"),
                        "rejected" => Color.FromArgb("#DC3545"),
                        _ => Color.FromArgb("#FFC107")
                    };
                    
                    var card = new Border
                    {
                        BackgroundColor = Colors.White,
                        StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 8 },
                        Stroke = Colors.Transparent,
                        Padding = new Thickness(15),
                        Margin = new Thickness(0, 0, 0, 5)
                    };
                    
                    var info = new VerticalStackLayout { Spacing = 5 };
                    info.Children.Add(new Label { Text = req.DisplayTitle ?? req.Title, FontSize = 16, FontAttributes = FontAttributes.Bold, TextColor = Color.FromArgb("#333333") });
                    info.Children.Add(new Label { Text = req.Employee?.FullName ?? "", FontSize = 13, TextColor = Color.FromArgb("#666666") });
                    
                    var statusLabel = new Label { Text = req.DisplayStatus ?? req.Status, FontSize = 12, TextColor = statusColor };
                    info.Children.Add(statusLabel);
                    
                    card.Content = info;
                    container.Children.Add(card);
                }
            });
        }
        catch (Exception ex)
        {
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                container.Children.Add(new Label { Text = $"Ошибка: {ex.Message}", TextColor = Colors.Red });
            });
        }
    }
    
    private void LoadChatsContent()
    {
        var content = new VerticalStackLayout { Spacing = 15 };
        content.Children.Add(CreatePageHeader("Чаты"));
        
        var placeholder = new VerticalStackLayout
        {
            HorizontalOptions = LayoutOptions.Center,
            VerticalOptions = LayoutOptions.Center,
            Margin = new Thickness(0, 100)
        };
        placeholder.Children.Add(new Label { Text = "💬", FontSize = 48, HorizontalOptions = LayoutOptions.Center });
        placeholder.Children.Add(new Label { Text = "Раздел чатов находится в разработке", FontSize = 16, TextColor = Color.FromArgb("#888888"), HorizontalOptions = LayoutOptions.Center });
        
        content.Children.Add(placeholder);
        SetContent(content);
    }
    
    private void LoadDocumentsContent()
    {
        var content = new VerticalStackLayout { Spacing = 15 };
        content.Children.Add(CreatePageHeader("Документы"));
        
        var container = new VerticalStackLayout { Spacing = 10 };
        container.Children.Add(new ActivityIndicator { IsRunning = true, Color = Color.FromArgb("#0D6EFD"), HorizontalOptions = LayoutOptions.Center, Margin = new Thickness(0, 50) });
        content.Children.Add(new ScrollView { Content = container });
        
        SetContent(content);
        _ = LoadDocumentsAsync(container);
    }
    
    private async Task LoadDocumentsAsync(VerticalStackLayout container)
    {
        try
        {
            var documents = await ServiceProvider.ApiService.GetAllDocumentsAsync();
            
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                
                if (documents == null || !documents.Any())
                {
                    var placeholder = new VerticalStackLayout
                    {
                        HorizontalOptions = LayoutOptions.Center,
                        VerticalOptions = LayoutOptions.Center,
                        Margin = new Thickness(0, 50)
                    };
                    placeholder.Children.Add(new Label { Text = "📄", FontSize = 48, HorizontalOptions = LayoutOptions.Center });
                    placeholder.Children.Add(new Label { Text = "Нет документов для отображения", FontSize = 16, TextColor = Color.FromArgb("#888888"), HorizontalOptions = LayoutOptions.Center });
                    container.Children.Add(placeholder);
                    return;
                }
                
                foreach (var doc in documents)
                {
                    var statusColor = doc.IsAcknowledged 
                        ? Color.FromArgb("#28A745")  // Зеленый - ознакомлен
                        : Color.FromArgb("#FFC107"); // Желтый - не ознакомлен
                    
                    var card = new Border
                    {
                        BackgroundColor = Colors.White,
                        StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 8 },
                        Stroke = Colors.Transparent,
                        Padding = new Thickness(15),
                        Margin = new Thickness(0, 0, 0, 5),
                        Shadow = new Shadow { Brush = new SolidColorBrush(Colors.Black), Opacity = 0.05f, Offset = new Point(0, 2), Radius = 4 }
                    };
                    
                    var row = new Grid
                    {
                        ColumnDefinitions = new ColumnDefinitionCollection
                        {
                            new ColumnDefinition(new GridLength(50)),
                            new ColumnDefinition(GridLength.Star),
                            new ColumnDefinition(GridLength.Auto)
                        }
                    };
                    
                    // Иконка документа
                    var iconBorder = new Border
                    {
                        WidthRequest = 40,
                        HeightRequest = 40,
                        StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 8 },
                        BackgroundColor = Color.FromArgb("#E8F0FE"),
                        Stroke = Colors.Transparent,
                        VerticalOptions = LayoutOptions.Center
                    };
                    iconBorder.Content = new Label 
                    { 
                        Text = doc.FileIcon, 
                        FontSize = 20, 
                        HorizontalOptions = LayoutOptions.Center, 
                        VerticalOptions = LayoutOptions.Center 
                    };
                    Grid.SetColumn(iconBorder, 0);
                    row.Children.Add(iconBorder);
                    
                    // Информация о документе
                    var info = new VerticalStackLayout { Spacing = 3, VerticalOptions = LayoutOptions.Center };
                    info.Children.Add(new Label { Text = doc.Title, FontSize = 15, FontAttributes = FontAttributes.Bold, TextColor = Color.FromArgb("#333333"), LineBreakMode = LineBreakMode.TailTruncation, MaxLines = 1 });
                    info.Children.Add(new Label { Text = doc.ShortDescription, FontSize = 12, TextColor = Color.FromArgb("#666666"), LineBreakMode = LineBreakMode.TailTruncation, MaxLines = 1 });
                    
                    var detailsRow = new HorizontalStackLayout { Spacing = 10 };
                    detailsRow.Children.Add(new Label { Text = $"👤 {doc.UploaderName}", FontSize = 11, TextColor = Color.FromArgb("#888888") });
                    detailsRow.Children.Add(new Label { Text = "•", FontSize = 11, TextColor = Color.FromArgb("#CCCCCC") });
                    detailsRow.Children.Add(new Label { Text = doc.DisplayUploadedAt, FontSize = 11, TextColor = Color.FromArgb("#888888") });
                    info.Children.Add(detailsRow);
                    
                    Grid.SetColumn(info, 1);
                    row.Children.Add(info);
                    
                    // Статус ознакомления
                    var statusBadge = new Border
                    {
                        BackgroundColor = statusColor,
                        StrokeShape = new Microsoft.Maui.Controls.Shapes.RoundRectangle { CornerRadius = 10 },
                        Stroke = Colors.Transparent,
                        Padding = new Thickness(10, 5),
                        VerticalOptions = LayoutOptions.Center
                    };
                    statusBadge.Content = new Label 
                    { 
                        Text = doc.AcknowledgedText, 
                        FontSize = 11, 
                        TextColor = Colors.White 
                    };
                    Grid.SetColumn(statusBadge, 2);
                    row.Children.Add(statusBadge);
                    
                    card.Content = row;
                    
                    // Обработчик нажатия - открытие документа
                    var tapGesture = new TapGestureRecognizer();
                    tapGesture.Tapped += async (s, e) =>
                    {
                        if (!string.IsNullOrEmpty(doc.FileUrl))
                        {
                            try
                            {
                                await Launcher.OpenAsync(new Uri(doc.FileUrl));
                            }
                            catch (Exception ex)
                            {
                                if (Application.Current?.Windows.Count > 0)
                                    await Application.Current.Windows[0].Page!.DisplayAlert("Ошибка", $"Не удалось открыть документ: {ex.Message}", "OK");
                            }
                        }
                    };
                    card.GestureRecognizers.Add(tapGesture);
                    
                    container.Children.Add(card);
                }
            });
        }
        catch (Exception ex)
        {
            await MainThread.InvokeOnMainThreadAsync(() =>
            {
                container.Children.Clear();
                container.Children.Add(new Label { Text = $"Ошибка загрузки документов: {ex.Message}", TextColor = Colors.Red, HorizontalOptions = LayoutOptions.Center });
            });
        }
    }
    
    private View CreatePageHeader(string title, string? buttonText = null)
    {
        var header = new Grid
        {
            ColumnDefinitions = new ColumnDefinitionCollection
            {
                new ColumnDefinition(GridLength.Auto),
                new ColumnDefinition(GridLength.Star),
                new ColumnDefinition(GridLength.Auto)
            },
            Margin = new Thickness(0, 0, 0, 20)
        };
        
        var titleLabel = new Label
        {
            Text = title,
            FontSize = 24,
            FontAttributes = FontAttributes.Bold,
            TextColor = Color.FromArgb("#333333"),
            VerticalOptions = LayoutOptions.Center
        };
        
        Grid.SetColumn(titleLabel, 0);
        header.Children.Add(titleLabel);
        
        if (!string.IsNullOrEmpty(buttonText))
        {
            var addButton = new HorizontalStackLayout { Spacing = 8, VerticalOptions = LayoutOptions.Center };
            addButton.Children.Add(new Label { Text = "+", FontSize = 20, TextColor = Color.FromArgb("#0D6EFD"), VerticalOptions = LayoutOptions.Center });
            addButton.Children.Add(new Label { Text = buttonText, FontSize = 16, TextColor = Color.FromArgb("#0D6EFD"), VerticalOptions = LayoutOptions.Center });
            Grid.SetColumn(addButton, 2);
            header.Children.Add(addButton);
        }
        
        return header;
    }
    
    private INavigation? ResolveNavigation()
    {
        // Попробуем найти Page, обойдя родителей
        Element? el = this;
        while (el != null)
        {
            if (el is Page p)
                return p.Navigation;
            el = el.Parent;
        }

        // Application.Current.MainPage может быть Shell или NavigationPage
        if (Application.Current?.MainPage?.Navigation != null)
            return Application.Current.MainPage.Navigation;

        // Shell.Current.Navigation
        if (Shell.Current?.Navigation != null)
            return Shell.Current.Navigation;

        // Попробуем взять первую открытую Window
        if (Application.Current?.Windows != null && Application.Current.Windows.Count > 0)
            return Application.Current.Windows[0].Page?.Navigation;

        return null;
    }
}