using System.Windows.Controls;
using System.Windows;
using System.Windows.Interop;
using Microsoft.Web.WebView2.Core;
using VideoDownloader.Core.Config;
using Wv2 = Microsoft.Web.WebView2.Wpf;

namespace VideoDownloader.App.Browser;

/// <summary>T2-6 Glance: Alt+클릭 링크의 플로팅 미리보기(Zen Glance 패턴) — 닫기/탭으로 승격.</summary>
public partial class GlanceWindow : Window
{
    private readonly Wv2.WebView2 _web = new() { DefaultBackgroundColor = System.Drawing.Color.Black };
    private readonly CoreWebView2Environment _env;
    private readonly AppConfig _config;

    public string Url { get; }
    public event Action<GlanceWindow>? ExpandRequested;

    public GlanceWindow(CoreWebView2Environment env, AppConfig config, string url)
    {
        _env = env;
        _config = config;
        Url = url;

        Width = 720; Height = 520;
        WindowStartupLocation = WindowStartupLocation.CenterOwner;
        ResizeMode = ResizeMode.CanResize;

        var bar = new Border
        {
            Background = System.Windows.Media.Brushes.Black,
            Padding = new Thickness(8, 6, 8, 6)
        };
        var dock = new DockPanel();
        var close = new Button { Content = "✕ 닫기", Padding = new Thickness(10, 3, 10, 3), Margin = new Thickness(4, 0, 4, 0), Background = System.Windows.Media.Brushes.Transparent, Foreground = System.Windows.Media.Brushes.White, BorderBrush = System.Windows.Media.Brushes.Gray };
        close.Click += (_, _) => Close();
        var expand = new Button { Content = "⤢ 탭으로 열기", Padding = new Thickness(10, 3, 10, 3), Background = System.Windows.Media.Brushes.Transparent, Foreground = System.Windows.Media.Brushes.White, BorderBrush = System.Windows.Media.Brushes.Gray };
        expand.Click += (_, _) => ExpandRequested?.Invoke(this);
        var title = new TextBlock { Text = url, Foreground = System.Windows.Media.Brushes.LightGray, FontSize = 11, VerticalAlignment = VerticalAlignment.Center, TextTrimming = TextTrimming.CharacterEllipsis };
        DockPanel.SetDock(close, Dock.Right);
        DockPanel.SetDock(expand, Dock.Right);
        dock.Children.Add(close);
        dock.Children.Add(expand);
        dock.Children.Add(title);
        bar.Child = dock;

        var grid = new Grid { RowDefinitions = { new RowDefinition { Height = GridLength.Auto }, new RowDefinition { Height = new GridLength(1, GridUnitType.Star) } } };
        Grid.SetRow(bar, 0); Grid.SetRow(_web, 1);
        grid.Children.Add(bar);
        grid.Children.Add(_web);
        Content = grid;

        Loaded += async (_, _) =>
        {
            try
            {
                var options = _env.CreateCoreWebView2ControllerOptions();
                if (_config.PrivateMode) options.IsInPrivateModeEnabled = true;
                await _web.EnsureCoreWebView2Async(_env, options);
                _web.CoreWebView2!.Navigate(url);
            }
            catch { }
        };
    }
}