using AIK.Common.Language;
using AIK.ViewModels;
using AIK.Views.MenuPages.CommonPage;
using AIK.Views.Utils;
using CommunityToolkit.Mvvm.DependencyInjection;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace AIK.Views.AccountPages
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        private Storyboard _slideIn;
        private Storyboard _slideOut;
        public MainWindow()
        {
            InitializeComponent();
            this.MaxHeight = SystemParameters.PrimaryScreenHeight;//防止最大化时系统任务栏被遮盖
            DataContext = Ioc.Default.GetService<MainViewModel>();
            // 加载动画
            _slideIn = (Storyboard)FindResource("SlideInStoryboard");
            _slideOut = (Storyboard)FindResource("SlideOutStoryboard");

            // Esc 关闭面板
            this.KeyDown += (s, e) =>
            {
                if (e.Key == Key.Escape && UserPanelContainer.Visibility == Visibility.Visible)
                {
                    _slideOut.Begin();
                    e.Handled = true;
                }
            };
        }
        private void UserAvatarButton_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (UserPanelContainer.Visibility == Visibility.Visible)
                _slideOut.Begin();
            else
                _slideIn.Begin();

            e.Handled = true;
        }
        private void Window_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            // 如果面板未显示，直接返回
            if (UserPanelContainer.Visibility != Visibility.Visible)
                return;

            // 获取点击的原始元素
            var clickedElement = e.OriginalSource as DependencyObject;

            // 检查是否点击在 UserPanelContainer 或其子元素上
            if (IsAncestorOrSelf(UserPanelContainer, clickedElement))
            {
                // 点击在面板内部 → 不关闭
                return;
            }

            // 点击在外部 → 关闭面板
            _slideOut.Begin();
            e.Handled = true;
        }
        private bool IsAncestorOrSelf(DependencyObject target, DependencyObject element)
        {
            try
            {
                while (element != null)
                {
                    if (element == target)
                        return true;
                    element = VisualTreeHelper.GetParent(element);
                }
                return false;
            }
            catch (Exception ex)
            {
                //忽略异常，防止因视觉树问题导致崩溃
                return false;
            }

        }
        protected override void OnClosed(EventArgs e)
        {
            // 清理数据上下文
            this.DataContext = null;

            base.OnClosed(e);
        }
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            Application.Current.Shutdown();
        }

        private void BtnMax_Click(object sender, RoutedEventArgs e)
        {
            this.WindowState = this.WindowState == WindowState.Maximized ? WindowState.Normal : WindowState.Maximized;
            UpdateMaximizeButton();
        }
        // 更新最大化按钮图标
        private void UpdateMaximizeButton()
        {
            if (BtnMax != null)
            {
                BtnMax.Content = this.WindowState switch
                {
                    WindowState.Maximized => "\ue653", // 还原图标
                    _ => "\ue651"                   // 最大化图标
                };
            }
        }
        private void BtnMin_Click(object sender, RoutedEventArgs e)
        {
            this.WindowState = WindowState.Minimized;
        }
        // 内存不足时的处理
        private void Application_Startup(object sender, StartupEventArgs e)
        {
            AppDomain.CurrentDomain.UnhandledException += (s, args) =>
            {
                if (IsOutOfMemoryException(args.ExceptionObject as Exception))
                {
                    // 紧急内存清理
                    EmergencyMemoryCleanup();
                    MessageBox.Show("内存不足，已尝试清理。请保存工作并重启应用。");
                }
            };
        }

        #region 按钮点击
        private void WeChatArea_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            string wechat = (this.FindName("TxtWeChat") as TextBlock)?.Text;
            if (!string.IsNullOrEmpty(wechat))
            {
                _ = SafeClipboard.SetTextAsync(wechat);
                //ShowCopyTip("微信号已复制");
                LightTipWindow.ShowTip(this, AiKLanguage.LanguageKey.GetValueOrDefault("ContactWechatCopy"));
            }
        }
        private void EmailArea_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            string email = (this.FindName("TxtEmail") as TextBlock)?.Text;
            if (!string.IsNullOrEmpty(email))
            {
                _ = SafeClipboard.SetTextAsync(email);
                //ShowCopyTip("微信号已复制");
                LightTipWindow.ShowTip(this, AiKLanguage.LanguageKey.GetValueOrDefault("ContactEmailCopy"));
            }
        }
        // 账密登录入口：在应用中心弹出账密登录窗口
        private void AccountLoginLink_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            var loginWindow = new AccountLoginWindow { Owner = this };
            loginWindow.ShowDialog();
            e.Handled = true;
        }
        #endregion


        private bool IsOutOfMemoryException(Exception ex)
        {
            return ex is OutOfMemoryException ||
                   (ex?.InnerException is OutOfMemoryException);
        }

        private void EmergencyMemoryCleanup()
        {
            // 立即强制GC
            GC.Collect(2, GCCollectionMode.Forced, true);
            GC.WaitForPendingFinalizers();
            GC.Collect();
        }
    }
}