using System;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Threading;
using TeamAAS.Logging;

namespace TeamAAS.Dialogs.Dialogs
{
    /// <summary>
    /// 日志条目详情窗（由实时日志控件 LogView 双击弹出）：
    /// 显示 类别 / 时间 / 来源（公共=[source]，插件=[流程][任务]）/ 插件详细度 / 完整内容，支持一键复制。
    /// </summary>
    public partial class LogDetailWindow
    {
        private readonly LogEntry _entry;

        public LogDetailWindow(LogEntry entry)
        {
            InitializeComponent();
            UiScaler.Attach(this); // 分辨率/DPI 自适应
            _entry = entry;
            Populate();
        }

        private void Populate()
        {
            var e = _entry;
            if (e == null)
            {
                MessageText.Text = "";
                return;
            }

            Title = "日志详情 - " + e.CategoryText;
            CategoryText.Text = e.CategoryText;
            CategoryBadge.Background = CategoryBrush(e.Category);
            TimeText.Text = e.Time.ToString("yyyy-MM-dd HH:mm:ss.fff");

            // 来源：公共日志显示 [ProductManager] 之类，插件显示 [流程][任务]
            SourceValue.Text = string.IsNullOrWhiteSpace(e.OriginText) ? "—" : e.OriginText;

            if (e.IsPlugin)
            {
                FlowRow.Visibility = Visibility.Visible;
                FlowValue.Text = e.Flow + " / " + e.Task;
                LevelRow.Visibility = Visibility.Visible;
                LevelValue.Text = e.Level + " 级（" + (e.Tier == 2 ? "常规" : "详细") + " · " + e.TierText + "）";
            }
            else
            {
                FlowRow.Visibility = Visibility.Collapsed;
                LevelRow.Visibility = Visibility.Collapsed;
            }

            MessageText.Text = e.Message;
        }

        private static Brush CategoryBrush(LogLevel category)
        {
            string hex;
            switch (category)
            {
                case LogLevel.Warning: hex = "#FF9800"; break;
                case LogLevel.Error: hex = "#F44336"; break;
                default: hex = "#2D6CDF"; break;
            }
            var brush = new SolidColorBrush((Color)ColorConverter.ConvertFromString(hex));
            brush.Freeze();
            return brush;
        }

        private string BuildFullText()
        {
            var e = _entry;
            if (e == null) return "";
            var sb = new StringBuilder();
            sb.Append("[类别] ").Append(e.CategoryText).AppendLine();
            sb.Append("[时间] ").Append(e.Time.ToString("yyyy-MM-dd HH:mm:ss.fff")).AppendLine();
            sb.Append("[来源] ").Append(string.IsNullOrWhiteSpace(e.OriginText) ? "—" : e.OriginText).AppendLine();
            if (e.IsPlugin)
            {
                sb.Append("[流程/任务] ").Append(e.Flow).Append(" / ").Append(e.Task).AppendLine();
                sb.Append("[详细度] ").Append(e.Level).Append(" 级 / ").Append(e.TierText).AppendLine();
            }
            sb.Append("[内容]").AppendLine();
            sb.Append(e.Message);
            return sb.ToString();
        }

        private void BtnCopyMessage_Click(object sender, RoutedEventArgs e)
            => Copy(_entry?.Message, BtnCopyMessage, "复制内容");

        private void BtnCopyAll_Click(object sender, RoutedEventArgs e)
            => Copy(BuildFullText(), BtnCopyAll, "复制全部");

        private static void Copy(string text, Button button, string restoreLabel)
        {
            if (string.IsNullOrEmpty(text)) return;
            try
            {
                Clipboard.SetText(text);
                button.Content = "已复制";
                var timer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1.5) };
                timer.Tick += (s, args) => { button.Content = restoreLabel; timer.Stop(); };
                timer.Start();
            }
            catch (Exception ex)
            {
                System.Diagnostics.Debug.WriteLine("[LogDetailWindow] copy failed: " + ex.Message);
            }
        }

        private void BtnClose_Click(object sender, RoutedEventArgs e) => Close();
    }
}