using System;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using Microsoft.Web.WebView2.Core;

namespace AutoBidder
{
    /// <summary>
    /// Browser event handlers and navigation
    /// </summary>
    public partial class MainWindow
    {
        private void BrowserBackButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                if (EmbeddedWebView?.CoreWebView2 != null && EmbeddedWebView.CoreWebView2.CanGoBack)
                    EmbeddedWebView.CoreWebView2.GoBack();
            }
            catch { }
        }

        private void BrowserForwardButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                if (EmbeddedWebView?.CoreWebView2 != null && EmbeddedWebView.CoreWebView2.CanGoForward)
                    EmbeddedWebView.CoreWebView2.GoForward();
            }
            catch { }
        }

        private void BrowserRefreshButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                EmbeddedWebView?.Reload();
            }
            catch { }
        }

        private void BrowserHomeButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                EmbeddedWebView?.CoreWebView2?.Navigate("https://it.bidoo.com/");
                BrowserAddress.Text = "https://it.bidoo.com/";
            }
            catch { }
        }

        private void BrowserGoButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var url = BrowserAddress.Text?.Trim();
                if (string.IsNullOrEmpty(url)) return;
                if (!url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
                    url = "https://" + url;
                EmbeddedWebView?.CoreWebView2?.Navigate(url);
            }
            catch { }
        }

        private void BrowserAddAuctionButton_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var url = BrowserAddress.Text?.Trim() ?? EmbeddedWebView?.Source?.ToString();
                if (!string.IsNullOrEmpty(url))
                    _ = AddAuctionFromUrl(url);
            }
            catch { }
        }

        private void EmbeddedWebView_NavigationStarting(object sender, CoreWebView2NavigationStartingEventArgs e)
        {
            try
            {
                BrowserAddress.Text = e.Uri ?? string.Empty;
                var btn = this.FindName("BrowserAddAuctionButton") as Button;
                if (btn != null)
                    btn.IsEnabled = IsValidAuctionUrl(e.Uri ?? string.Empty);
            }
            catch { }
        }

        private void EmbeddedWebView_NavigationCompleted(object sender, CoreWebView2NavigationCompletedEventArgs e)
        {
            try
            {
                var uri = EmbeddedWebView?.Source?.ToString() ?? BrowserAddress.Text;
                BrowserAddress.Text = uri;
                var btn = this.FindName("BrowserAddAuctionButton") as Button;
                if (btn != null)
                    btn.IsEnabled = IsValidAuctionUrl(uri);
            }
            catch { }
        }

        private void EmbeddedWebView_PreviewMouseRightButtonUp(object sender, MouseButtonEventArgs e)
        {
            try
            {
                e.Handled = true;
            }
            catch { }
        }

        private void CoreWebView2_ContextMenuRequested(object? sender, CoreWebView2ContextMenuRequestedEventArgs e)
        {
            try
            {
                // Prevent default native menu
                e.Handled = true;

                var target = e.ContextMenuTarget;
                string? link = null;
                try
                {
                    link = target?.LinkUri;
                    if (string.IsNullOrEmpty(link)) link = target?.PageUri;
                }
                catch { }

                // Show WPF ContextMenu on UI thread
                Dispatcher.BeginInvoke(new Action(() =>
                {
                    try
                    {
                        var menu = new ContextMenu();

                        var canAdd = !string.IsNullOrEmpty(link) || IsValidAuctionUrl(EmbeddedWebView?.Source?.ToString() ?? BrowserAddress.Text);

                        var addItem = new MenuItem { Header = "Aggiungi Asta", IsEnabled = canAdd };
                        addItem.Click += async (s, args) =>
                        {
                            try
                            {
                                string? urlToAdd = link;
                                if (string.IsNullOrEmpty(urlToAdd))
                                    urlToAdd = EmbeddedWebView?.Source?.ToString() ?? BrowserAddress.Text;

                                if (!string.IsNullOrEmpty(urlToAdd))
                                {
                                    await AddAuctionFromUrl(urlToAdd);
                                }
                            }
                            catch (Exception ex)
                            {
                                Log($"[ERRORE] Aggiungi Asta dal menu: {ex.Message}");
                            }
                        };

                        menu.Items.Add(addItem);

                        var copyLink = new MenuItem { Header = "Copia link", IsEnabled = !string.IsNullOrEmpty(link) };
                        copyLink.Click += (s, args) =>
                        {
                            try { if (!string.IsNullOrEmpty(link)) Clipboard.SetText(link); }
                            catch { }
                        };
                        menu.Items.Add(copyLink);

                        menu.Placement = System.Windows.Controls.Primitives.PlacementMode.MousePoint;
                        menu.IsOpen = true;
                    }
                    catch { }
                }));
            }
            catch { }
        }
    }
}