using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using DashCaddy.Desktop.ViewModels;
using DashCaddy.Desktop.Models;
using System.Threading.Tasks;

namespace DashCaddy.Desktop;

public sealed partial class MainWindow : Window
{
    public MainViewModel ViewModel => App.MainViewModel;

    public MainWindow()
    {
        InitializeComponent();
        Loaded += MainWindow_Loaded;
    }

    private async void MainWindow_Loaded(object sender, RoutedEventArgs e)
    {
        await ViewModel.InitializeAsync();
    }

    // ─── Toolbar Actions ───

    private async void AddService_Click(object sender, RoutedEventArgs e)
    {
        var dialog = new AddServiceDialog(ViewModel);
        dialog.XamlRoot = this.Content.XamlRoot;
        var result = await dialog.ShowAsync();
        if (result == ContentDialogResult.Primary)
        {
            await ViewModel.RefreshServicesAsync();
        }
    }

    private async void ImportCompose_Click(object sender, RoutedEventArgs e)
    {
        var picker = new Windows.Storage.Pickers.FileOpenPicker();
        picker.FileTypeFilter.Add(".yaml");
        picker.FileTypeFilter.Add(".yml");
        picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.DocumentsLibrary;
        
        var hwnd = WinRT.Interop.WindowNative.GetWindowHandle(this);
        WinRT.Interop.InitializeWithWindow.Initialize(picker, hwnd);
        
        var file = await picker.PickSingleFileAsync();
        if (file != null)
        {
            ShowLoading("Importing Docker Compose...");
            try
            {
                await ViewModel.ImportComposeAsync(file.Path);
                await ViewModel.RefreshServicesAsync();
            }
            finally
            {
                HideLoading();
            }
        }
    }

    private void Templates_Click(object sender, RoutedEventArgs e)
    {
        var dialog = new TemplatesDialog(ViewModel);
        dialog.XamlRoot = this.Content.XamlRoot;
        _ = dialog.ShowAsync();
    }

    // ─── Service Actions ───

    private async void ServiceAction_Click(object sender, RoutedEventArgs e)
    {
        // Handled by Flyout menu items
    }

    private async void OpenService_Click(object sender, RoutedEventArgs e)
    {
        if (sender is MenuFlyoutItem item && item.DataContext is ServiceViewModel service)
        {
            await Windows.System.Launcher.LaunchUriAsync(new System.Uri(service.Url));
        }
    }

    private async void ViewLogs_Click(object sender, RoutedEventArgs e)
    {
        ServiceViewModel service = null;
        if (sender is MenuFlyoutItem item && item.DataContext is ServiceViewModel svc)
        {
            service = svc;
        }
        else if (sender is Button)
        {
            // "View Logs" bottom button - show all logs
            var dialog = new LogsDialog(ViewModel);
            dialog.XamlRoot = this.Content.XamlRoot;
            await dialog.ShowAsync();
            return;
        }

        if (service != null)
        {
            var dialog = new ServiceLogsDialog(service, ViewModel.DockerService);
            dialog.XamlRoot = this.Content.XamlRoot;
            await dialog.ShowAsync();
        }
    }

    private async void RestartService_Click(object sender, RoutedEventArgs e)
    {
        if (sender is MenuFlyoutItem item && item.DataContext is ServiceViewModel service)
        {
            ShowLoading($"Restarting {service.Name}...");
            try
            {
                await ViewModel.RestartServiceAsync(service.Id);
                await ViewModel.RefreshServicesAsync();
            }
            finally
            {
                HideLoading();
            }
        }
    }

    private async void StopService_Click(object sender, RoutedEventArgs e)
    {
        if (sender is MenuFlyoutItem item && item.DataContext is ServiceViewModel service)
        {
            await ViewModel.StopServiceAsync(service.Id);
            await ViewModel.RefreshServicesAsync();
        }
    }

    private async void EditService_Click(object sender, RoutedEventArgs e)
    {
        if (sender is MenuFlyoutItem item && item.DataContext is ServiceViewModel service)
        {
            var dialog = new EditServiceDialog(service, ViewModel);
            dialog.XamlRoot = this.Content.XamlRoot;
            var result = await dialog.ShowAsync();
            if (result == ContentDialogResult.Primary)
            {
                await ViewModel.RefreshServicesAsync();
            }
        }
    }

    private async void RemoveService_Click(object sender, RoutedEventArgs e)
    {
        if (sender is MenuFlyoutItem item && item.DataContext is ServiceViewModel service)
        {
            var dialog = new ContentDialog
            {
                Title = "Remove Service",
                Content = $"Are you sure you want to remove '{service.Name}'? This will stop the container and remove the reverse proxy configuration.",
                PrimaryButtonText = "Remove",
                CloseButtonText = "Cancel",
                DefaultButton = ContentDialogButton.Close,
                XamlRoot = this.Content.XamlRoot
            };
            var result = await dialog.ShowAsync();
            if (result == ContentDialogResult.Primary)
            {
                ShowLoading($"Removing {service.Name}...");
                try
                {
                    await ViewModel.RemoveServiceAsync(service.Id);
                    await ViewModel.RefreshServicesAsync();
                }
                finally
                {
                    HideLoading();
                }
            }
        }
    }

    private async void ServiceToggled(object sender, RoutedEventArgs e)
    {
        if (sender is ToggleSwitch toggle && toggle.Tag is ServiceViewModel service)
        {
            if (toggle.IsOn)
            {
                ShowLoading($"Starting {service.Name}...");
                await ViewModel.StartServiceAsync(service.Id);
            }
            else
            {
                ShowLoading($"Stopping {service.Name}...");
                await ViewModel.StopServiceAsync(service.Id);
            }
            await ViewModel.RefreshServicesAsync();
            HideLoading();
        }
    }

    // ─── Bottom Bar ───

    private async void OpenDashboard_Click(object sender, RoutedEventArgs e)
    {
        await Windows.System.Launcher.LaunchUriAsync(new System.Uri(ViewModel.DashboardUrl));
    }

    private async void OpenSettings_Click(object sender, RoutedEventArgs e)
    {
        var dialog = new SettingsDialog(ViewModel);
        dialog.XamlRoot = this.Content.XamlRoot;
        await dialog.ShowAsync();
    }

    private async void OpenHelp_Click(object sender, RoutedEventArgs e)
    {
        await Windows.System.Launcher.LaunchUriAsync(new System.Uri("https://dashcaddy.net/docs"));
    }

    // ─── Loading Overlay ───

    private void ShowLoading(string message)
    {
        LoadingText.Text = message;
        LoadingOverlay.Visibility = Visibility.Visible;
    }

    private void HideLoading()
    {
        LoadingOverlay.Visibility = Visibility.Collapsed;
    }
}