import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:flutter/services.dart'; // 用于复制到剪贴板
import 'package:win_text_editor/app/providers/logger.dart';

class ConsolePanel extends StatefulWidget {
  const ConsolePanel({super.key});

  @override
  State<ConsolePanel> createState() => _ConsolePanelState();
}

class _ConsolePanelState extends State<ConsolePanel> {
  double _height = 100;
  final double _minHeight = 50;
  final double _maxHeight = 300;
  final ScrollController _scrollController = ScrollController();
  String? _selectedLog; // 当前选中的日志内容

  @override
  void dispose() {
    _scrollController.dispose();
    super.dispose();
  }

  Color _getLogColor(LogLevel level) {
    switch (level) {
      case LogLevel.error:
        return Colors.red[400]!;
      case LogLevel.warning:
        return Colors.orange[400]!;
      case LogLevel.info:
        return Colors.blue[400]!;
      case LogLevel.debug:
        return Colors.grey;
    }
  }

  // 显示右键菜单
  void _showContextMenu(BuildContext context, Offset position, String logContent) async {
    final RenderBox overlay = Overlay.of(context).context.findRenderObject() as RenderBox;

    await showMenu(
      context: context,
      position: RelativeRect.fromRect(
        Rect.fromPoints(position, position),
        Offset.zero & overlay.size,
      ),
      items: [
        PopupMenuItem(
          child: const Text('复制'),
          onTap: () async {
            await Clipboard.setData(ClipboardData(text: logContent));
            ScaffoldMessenger.of(context).showSnackBar(
              const SnackBar(content: Text('已复制到剪贴板'), duration: Duration(seconds: 1)),
            );
          },
        ),
        PopupMenuItem(
          child: const Text('清除日志'),
          onTap: () {
            Provider.of<Logger>(context, listen: false).clear();
          },
        ),
      ],
    );
  }

  @override
  Widget build(BuildContext context) {
    final logger = Provider.of<Logger>(context);
    final consoleHeight = _height.clamp(_minHeight, _maxHeight);

    WidgetsBinding.instance.addPostFrameCallback((_) {
      if (_scrollController.hasClients) {
        _scrollController.jumpTo(_scrollController.position.maxScrollExtent);
      }
    });

    return Column(
      children: [
        // 拖拽手柄
        GestureDetector(
          behavior: HitTestBehavior.translucent,
          onPanUpdate: (details) {
            setState(() {
              _height = (_height - details.delta.dy).clamp(_minHeight, _maxHeight);
            });
          },
          child: MouseRegion(
            cursor: SystemMouseCursors.resizeUpDown,
            child: Container(height: 4, color: Colors.grey[300]),
          ),
        ),
        // 控制台内容区域
        SizedBox(
          height: consoleHeight,
          child: Container(
            color: Colors.grey[100],
            padding: const EdgeInsets.all(8),
            child: ListView.builder(
              controller: _scrollController,
              itemCount: logger.logs.length,
              itemBuilder: (context, index) {
                final log = logger.logs[index];
                final logContent = log.toString();
                return Padding(
                  padding: const EdgeInsets.symmetric(vertical: 2),
                  child: GestureDetector(
                    onSecondaryTapDown: (details) {
                      _showContextMenu(context, details.globalPosition, logContent);
                    },
                    child: MouseRegion(
                      cursor: SystemMouseCursors.click,
                      child: SelectableText(
                        // 改为可选择的文本
                        logContent,
                        style: TextStyle(fontFamily: 'monospace', color: _getLogColor(log.level)),
                      ),
                    ),
                  ),
                );
              },
            ),
          ),
        ),
      ],
    );
  }
}