using System.Windows;
using System.Windows.Controls;

namespace SHH.CameraDashboard.Controls
{
    public partial class DiagnosticControl : UserControl
    {
        public event EventHandler RequestCollapse;
        private ApiLogEntry _selectedItem;
        private bool _isInitialized = false;

        public DiagnosticControl()
        {
            InitializeComponent();
            _isInitialized = true;
        }

        // 外部（MainWindow或BottomDock）调用此方法推送日志
        public void PushLog(ApiLogEntry entry)
        {
            this.Dispatcher.Invoke(() => {
                // 确保 XAML 中的 ListView 名称是 LogList
                LogList.Items.Insert(0, entry);

                // 限制日志数量，防止内存溢出（可选）
                if (LogList.Items.Count > 100) LogList.Items.RemoveAt(100);
            });
        }

        private void Close_Click(object sender, RoutedEventArgs e)
        {
            RequestCollapse?.Invoke(this, EventArgs.Empty);
        }

        private void LogList_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (!_isInitialized) return;
            _selectedItem = LogList.SelectedItem as ApiLogEntry;
            UpdateDetailView();
        }

        private void Tab_Checked(object sender, RoutedEventArgs e)
        {
            if (!_isInitialized) return;
            UpdateDetailView();
        }

        private void UpdateDetailView()
        {
            // 防御性编程：检查所有可能为 null 的 UI 元素
            if (TxtEmpty == null || TxtContent == null || BtnReq == null) return;

            if (_selectedItem == null)
            {
                TxtEmpty.Visibility = Visibility.Visible;
                TxtContent.Visibility = Visibility.Collapsed; // 隐藏编辑框更美观
                TxtContent.Text = string.Empty;
                return;
            }

            TxtEmpty.Visibility = Visibility.Collapsed;
            TxtContent.Visibility = Visibility.Visible;

            // 根据切换按钮显示对应内容
            TxtContent.Text = (BtnReq.IsChecked == true)
                ? _selectedItem.RequestBody
                : _selectedItem.ResponseBody;
        }

        private void Clear_Click(object sender, RoutedEventArgs e)
        {
            // 具体的清空逻辑
            LogList.Items.Clear();
            _selectedItem = null;
            UpdateDetailView();
        }

        private void Copy_Click(object sender, RoutedEventArgs e)
        {
            // 如果没选中或内容本身为空，不执行复制
            if (_selectedItem == null || TxtContent == null || string.IsNullOrEmpty(TxtContent.Text)) return;

            // 使用之前定义的带重试机制的 Helper
            ClipboardHelper.SetText(TxtContent.Text);
        }

        // 右键菜单复制逻辑
        private void CopySummary_Click(object sender, RoutedEventArgs e)
        {
            if (LogList.SelectedItem is ApiLogEntry item)
                ClipboardHelper.SetText($"[{item.Time}] {item.Url} - {item.StatusCode}");
        }

        private void CopyRequest_Click(object sender, RoutedEventArgs e)
        {
            if (LogList.SelectedItem is ApiLogEntry item)
                ClipboardHelper.SetText(item.RequestBody ?? "");
        }

        private void CopyResponse_Click(object sender, RoutedEventArgs e)
        {
            if (LogList.SelectedItem is ApiLogEntry item)
                ClipboardHelper.SetText(item.ResponseBody ?? "");
        }
    }
}