import '/core/utils/logger.dart';
import '/modules/agent/views/google_navigation_card.dart';
import '/modules/agent/views/music_card.dart';
import '/modules/agent/views/qqmusic_card.dart';
import '/modules/agent/views/weather_baidu.dart';
import '/modules/agent/views/weather_hefeng.dart';

import '../../../data/models/song_model.dart';
import '../../../modules/agent/views/navigation_card.dart';
import 'weather_card.dart';
import 'travel_card.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart'; // 添加这个导入
import 'package:get/get.dart';
import 'package:intl/intl.dart';
import 'dart:io';
import 'package:flutter_markdown/flutter_markdown.dart';

import '../controllers/agent_controller.dart';

/// 消息气泡组件
class MessageBubble extends GetView<AgentController> {
  final String sessionid;
  final bool isUser;
  final String message;
  final DateTime timestamp;
  final bool isRecognizing;
  final bool hasImage;
  final String? imagePath;
  final Map? meta;
  final Map<String, Map<String, dynamic>>? functionCalls;
  final bool isToolCallsExpanded;
  const MessageBubble({
    Key? key,
    required this.sessionid,
    required this.isUser,
    required this.message,
    required this.timestamp,
    this.isRecognizing = false,
    this.hasImage = false,
    this.imagePath,
    this.meta,
    this.functionCalls,
    this.isToolCallsExpanded = false,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 8),
      child: Row(
        mainAxisAlignment:
            isUser ? MainAxisAlignment.end : MainAxisAlignment.start,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Flexible(
            child: Column(
              crossAxisAlignment:
                  isUser ? CrossAxisAlignment.end : CrossAxisAlignment.start,
              children: [
                Stack(
                  children: [
                    Container(
                      padding: (hasImage && message == '[图片]')
                          ? EdgeInsets.zero
                          : const EdgeInsets.all(12),
                      decoration: BoxDecoration(
                        color: _getBubbleColor(context),
                        borderRadius: BorderRadius.only(
                          topLeft: isUser
                              ? const Radius.circular(18)
                              : const Radius.circular(4),
                          topRight: isUser
                              ? const Radius.circular(4)
                              : const Radius.circular(18),
                          bottomLeft: const Radius.circular(18),
                          bottomRight: const Radius.circular(18),
                        ),
                        boxShadow: [
                          BoxShadow(
                            color: Colors.black.withOpacity(0.05),
                            blurRadius: 2,
                            offset: const Offset(0, 1),
                          ),
                        ],
                      ),
                      child: Padding(
                        padding: (controller.isShowToolInterruptEnabled.value &&
                                !isUser &&
                                functionCalls != null &&
                                functionCalls!.isNotEmpty)
                            ? const EdgeInsets.only(top: 30)
                            : EdgeInsets.zero,
                        child: _buildMessageContent(context),
                      ),
                    ),
                    //工具调用流程显示（仅在AI消息且有functionCalls时显示）
                    if (controller.isShowToolInterruptEnabled.value &&
                        !isUser &&
                        functionCalls != null &&
                        functionCalls!.isNotEmpty)
                      _buildFunctionCallsWidget(context),
                  ],
                ),

                const SizedBox(height: 4),
                // 识别中的消息不显示时间
                if (!isRecognizing)
                  Row(
                    mainAxisAlignment: isUser
                        ? MainAxisAlignment.end
                        : MainAxisAlignment.spaceBetween,
                    children: [
                      // 时间戳（左对齐或右对齐）
                      Text(
                        _formatTimestamp(timestamp),
                        style: TextStyle(
                          fontSize: 8,
                          color: Theme.of(context).brightness == Brightness.dark
                              ? Colors.grey[400]
                              : Colors.grey[500],
                          fontWeight: FontWeight.w400,
                        ),
                      ),
                      // AI标识（仅在AI消息时显示）
                      if (!isUser)
                        Padding(
                          padding: const EdgeInsets.only(left: 8),
                          child: Text(
                            "generatedByAi".tr, // 由AI生成
                            style: TextStyle(
                              fontSize: 8,
                              color: Colors.blue[600],
                              fontWeight: FontWeight.bold,
                              fontStyle: FontStyle.italic,
                            ),
                          ),
                        ),
                    ],
                  ),
              ],
            ),
          ),
        ],
      ),
    );
  }

  /// 获取气泡颜色
  Color _getBubbleColor(BuildContext context) {
    final isDarkMode = Theme.of(context).brightness == Brightness.dark;

    if (isUser) {
      return isRecognizing
          ? Color(0xFF3B82F6).withOpacity(0.8) // 识别中的用户消息使用半透明的蓝色
          : Color(0xFF3B82F6); // 使用更明亮的蓝色
    } else {
      return isDarkMode
          ? Color(0xFF2A2A2A)
          : Color(0xFFF1F5F9); // 根据主题调整AI消息背景色
    }
  }

  /// 构建消息内容
  Widget _buildMessageContent(BuildContext context) {
    // 如果是识别中的消息，添加特殊样式
    if (isRecognizing) {
      return Row(
        crossAxisAlignment: CrossAxisAlignment.end,
        mainAxisSize: MainAxisSize.min,
        children: [
          Flexible(
            child: Text(
              message,
              style: const TextStyle(
                color: Colors.white,
                fontStyle: FontStyle.italic,
                fontSize: 14,
                height: 1.4,
              ),
              // 允许自动换行，不再强制单行
              softWrap: true,
              maxLines: null,
            ),
          ),
          const SizedBox(width: 8),
          _buildTypingIndicator(),
        ],
      );
    }

    if (!isUser &&
        message.isEmpty &&
        (functionCalls == null ||
            !controller.isShowToolInterruptEnabled.value) &&
        meta == null) {
      return _buildTypingIndicator();
    }

    // 如果只有工具调用而没有文本内容，显示一个占位符确保气泡有足够宽度
    if (!isUser &&
        message.isEmpty &&
        functionCalls != null &&
        controller.isShowToolInterruptEnabled.value &&
        meta == null) {
      return Container(
        constraints: const BoxConstraints(
          minWidth: 200, // 确保最小宽度
          minHeight: 20, // 确保最小高度
        ),
        child: const SizedBox.shrink(), // 透明占位符
      );
    }

    // 如果是图片消息，显示图片
    if (hasImage && imagePath != null) {
      // 如果消息是默认的[图片]标记，只显示图片
      if (message == '[图片]') {
        return Container(
          padding: const EdgeInsets.all(8),
          child: GestureDetector(
            onTap: () {
              // 点击图片时打开图片查看器
              Get.find<AgentController>()
                  .openImageViewer(context, imagePath ?? '');
            },
            child: ClipRRect(
              borderRadius: BorderRadius.circular(12),
              child: Image.file(
                File('${controller.AppDir.value}$imagePath'),
                width: 200,
                height: 200,
                fit: BoxFit.cover,
              ),
            ),
          ),
        );
      }

      // 如果消息是自定义文本，显示文本+图片
      return Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(
            message,
            style: TextStyle(
              color: isUser ? Colors.white : Colors.black87,
              fontSize: 14,
              height: 1.4,
              fontWeight: FontWeight.w400,
            ),
          ),
          const SizedBox(height: 8),
          GestureDetector(
            onTap: () {
              // 点击图片时打开图片查看器
              Get.find<AgentController>()
                  .openImageViewer(context, imagePath ?? '');
            },
            child: ClipRRect(
              borderRadius: BorderRadius.circular(12),
              child: Image.file(
                File('${controller.AppDir.value}$imagePath'),
                width: 200,
                height: 200,
                fit: BoxFit.cover,
              ),
            ),
          ),
        ],
      );
    }

    // 判断消息内容，显示特殊卡片
    if (!isUser && meta != null) {
      if (meta!.keys.contains('music_searchandplay_songs')) {
        final music_search_songs =
            meta!['music_searchandplay_songs'] as Map<String, dynamic>;
        final data = music_search_songs['data'];
        if (data != null && data is List) {
          final rawList = data as List? ?? [];
          final playlist =
              rawList.map((e) => Map<String, dynamic>.from(e)).toList();
          //音乐播放列表
          return buildMusicContent(context, playlist);
        }
      } else if (meta!.keys.contains('qqmusic_search_songs')) {
        final qqmusic_search_songs =
            meta!['qqmusic_search_songs'] as Map<String, dynamic>;
        final data = qqmusic_search_songs['data'];
        if (data != null && data is List) {
          //qq音乐
          final rawList = data as List? ?? [];
          final songList = rawList
              .map((item) {
                try {
                  return SongModel.fromJson(item);
                } catch (e) {
                  Logger.e('QQMusicPlaylist', '解析歌曲数据失败: $e, 数据: $item');
                  return null;
                }
              })
              .where((song) => song != null)
              .cast<SongModel>()
              .toList();
          //音乐播放列表
          return buildQQMusicContent(context, songList);
        }
      } else if (meta!.keys.contains('hefeng_weather')) {
        //高德的
        final hefeng_weather = meta!['hefeng_weather'] as Map<String, dynamic>;
        final weather_city = hefeng_weather['city'];
        final weather_day = hefeng_weather['day'];
        final weather_data = hefeng_weather['data'];
        if (weather_city != null) {
          final rawList = weather_data as List? ?? [];
          final daylist =
              rawList.map((e) => Map<String, dynamic>.from(e)).toList();
          // final now = daylist.isNotEmpty ? daylist[0] : <String, dynamic>{};
          final now = daylist.firstWhere(
            (day) => day['fxDate'] == weather_day,
            orElse: () => daylist.isNotEmpty ? daylist[0] : <String, dynamic>{},
          );
          //天气
          return hefengWeatherContent(
            context,
            weather_city,
            now,
            daylist,
          );
        }
      } else if (meta!.keys.contains('maps_weather')) {
        //高德的
        final maps_weather = meta!['maps_weather'] as Map<String, dynamic>;
        final city = maps_weather['city'];
        if (city != null) {
          final rawList = maps_weather['forecasts'] as List? ?? [];
          final daylist =
              rawList.map((e) => Map<String, dynamic>.from(e)).toList();
          final now = daylist.isNotEmpty ? daylist[0] : <String, dynamic>{};
          //天气
          return buildWeatherContent(
            context,
            city,
            now,
            daylist,
          );
        }
      } else if (meta!.keys.contains('map_weather')) {
        //百度的
        final map_weather = meta!['map_weather'] as Map<String, dynamic>;
        final status = map_weather['status'];
        if (status == 0) {
          final result = map_weather['result'] as Map<String, dynamic>;
          final city = result["location"]["city"] as String? ?? '';
          final rawList = result['forecasts'] as List? ?? [];
          final daylist =
              rawList.map((e) => Map<String, dynamic>.from(e)).toList();
          final now = daylist.isNotEmpty ? daylist[0] : <String, dynamic>{};
          //天气
          return buildWeatherBaiduContent(
            context,
            city,
            now,
            daylist,
          );
        }
      } else if (meta!.keys.contains('card_travel')) {
        final rawList = meta!['card_travel']['items'] as List? ?? [];
        final travellist =
            rawList.map((e) => Map<String, dynamic>.from(e)).toList();
        // 旅游
        return buildTravelContent(context, travellist);
      } else if (meta!.keys.contains('maps_route_navigation')) {
        final maps_route_navigation = meta!['maps_route_navigation'];
        if (maps_route_navigation is Map<String, dynamic>) {
          final card_navigation =
              maps_route_navigation["card_navigation"] as Map<String, dynamic>;
          final start = card_navigation['start'] as String? ?? '';
          final end = card_navigation['end'] as String? ?? '';
          final end_longitude = card_navigation["end_longitude"] as String;
          final end_latitude = card_navigation["end_latitude"] as String;
          final destination = card_navigation['destination'] as String? ?? '';
          final rawList = card_navigation['items'] as List? ?? null;
          if (rawList != null) {
            final list =
                rawList.map((e) => Map<String, dynamic>.from(e)).toList();
            final rawNavigation = card_navigation['navigation'];
            final Map<String, dynamic>? navigation =
                rawNavigation is Map<String, dynamic> ? rawNavigation : null;
            // print("导航实时数据 ${rawNavigation}");
            // 导航
            return navigationCard(context,
                start: start,
                end: end,
                endlatitude: end_latitude,
                endlongitude: end_longitude,
                destination: destination,
                modes: list,
                navigation: navigation);
          }
        }
      } else if (meta!.keys.contains('maps_google_route_navigation')) {
        final maps_google_route_navigation =
            meta!['maps_google_route_navigation'];
        if (maps_google_route_navigation is Map<String, dynamic>) {
          final data = maps_google_route_navigation['data'];
          if (data != null) {
            final origin = data['origin'] as String? ?? '';
            final destination = data['destination'] as String? ?? '';
            final end = data['end'] as String? ?? '';
            final rawList = data['items'] as List? ?? null;
            if (rawList != null) {
              final list =
                  rawList.map((e) => Map<String, dynamic>.from(e)).toList();
              final rawNavigation = data['navigation'];
              final Map<String, dynamic>? navigation =
                  rawNavigation is Map<String, dynamic> ? rawNavigation : null;
              // print("导航实时数据 ${rawNavigation}");
              // 导航
              return googlenavigationCard(context,
                  start: origin,
                  end: destination,
                  destination: end,
                  modes: list,
                  navigation: navigation);
            }
          }
        }
      }

      // if (message.contains('播放列表') || message.contains('音乐')) {
      //   return _buildMusicContent(context);
      // } else if (message.contains('景点') || message.contains('旅游')) {
      //   return _buildTravelContent(context);
      // } else if (message.contains('天气') ||
      //     message.contains('气温') ||
      //     message.contains('预报')) {
      //   return _buildWeatherContent(context);
      // }
    }

    // 创建消息内容Widget
    Widget messageContent;

    // 使用Markdown渲染AI消息，用户消息仍然使用普通文本
    if (!isUser) {
      messageContent = MarkdownBody(
        data: message,
        styleSheet: MarkdownStyleSheet(
          p: TextStyle(
            color: Theme.of(context).brightness == Brightness.dark
                ? Colors.white.withOpacity(0.9)
                : Colors.black87,
            fontSize: 14,
            height: 1.4,
            fontWeight: FontWeight.w400,
          ),
          h1: TextStyle(
            color: Theme.of(context).brightness == Brightness.dark
                ? Colors.white
                : Colors.black,
            fontSize: 18,
            fontWeight: FontWeight.bold,
          ),
          h2: TextStyle(
            color: Theme.of(context).brightness == Brightness.dark
                ? Colors.white
                : Colors.black,
            fontSize: 16,
            fontWeight: FontWeight.bold,
          ),
          h3: TextStyle(
            color: Theme.of(context).brightness == Brightness.dark
                ? Colors.white
                : Colors.black,
            fontSize: 15,
            fontWeight: FontWeight.bold,
          ),
          code: TextStyle(
            backgroundColor: Theme.of(context).brightness == Brightness.dark
                ? Colors.grey[800]
                : Colors.grey[200],
            fontFamily: 'monospace',
            fontSize: 13,
          ),
          codeblockDecoration: BoxDecoration(
            color: Theme.of(context).brightness == Brightness.dark
                ? Colors.grey[800]
                : Colors.grey[200],
            borderRadius: BorderRadius.circular(4),
          ),
          blockquote: TextStyle(
            color: Theme.of(context).brightness == Brightness.dark
                ? Colors.grey[400]
                : Colors.grey[700],
            fontSize: 14,
            fontStyle: FontStyle.italic,
          ),
          blockquoteDecoration: BoxDecoration(
            border: Border(
              left: BorderSide(
                color: Theme.of(context).brightness == Brightness.dark
                    ? Colors.grey[600]!
                    : Colors.grey[400]!,
                width: 4,
              ),
            ),
          ),
          listBullet: TextStyle(
            color: Theme.of(context).brightness == Brightness.dark
                ? Colors.white.withOpacity(0.9)
                : Colors.black87,
            fontSize: 14,
          ),
        ),
        //selectable: true,
      );
    } else {
      // 用户消息仍然使用普通文本
      messageContent = Text(
        message,
        style: TextStyle(
          color: isUser
              ? Colors.white
              : (Theme.of(context).brightness == Brightness.dark
                  ? Colors.white.withOpacity(0.9)
                  : Colors.black87),
          fontSize: 14,
          height: 1.4,
          fontWeight: FontWeight.w400,
        ),
      );
    }

    // 如果是AI消息且有工具调用，确保最小宽度以防止工具调用列表越界
    if (!isUser && functionCalls != null && functionCalls!.isNotEmpty) {
      return Container(
        constraints: const BoxConstraints(
          minWidth: 200, // 确保最小宽度，防止工具调用列表越界
        ),
        child: messageContent,
      );
    }

    return messageContent;
  }

  /// 构建输入中的指示器
  Widget _buildTypingIndicator() {
    return SizedBox(
      width: 40,
      height: 20,
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        children: [
          _buildDot(100),
          _buildDot(300),
          _buildDot(500),
        ],
      ),
    );
  }

  /// 构建动画点
  Widget _buildDot(int milliseconds) {
    return _AnimatedDot(delayMilliseconds: milliseconds);
  }

  /// 智能格式化时间戳
  String _formatTimestamp(DateTime messageTime) {
    final now = DateTime.now();
    final today = DateTime(now.year, now.month, now.day);
    final yesterday = today.subtract(const Duration(days: 1));
    final messageDate =
        DateTime(messageTime.year, messageTime.month, messageTime.day);

    // 计算时间差
    final difference = now.difference(messageTime);

    // 1分钟内显示"刚刚"
    if (difference.inMinutes < 1) {
      return 'justNow'.tr; // 刚刚
    }

    // 1小时内显示"X分钟前"
    if (difference.inHours < 1) {
      return 'minutesAgo'
          .trParams({'minutes': difference.inMinutes.toString()}); // X分钟前
    }

    // 今天的消息显示时间
    if (messageDate == today) {
      return DateFormat('HH:mm').format(messageTime);
    }

    // 昨天的消息显示"昨天 HH:mm"
    if (messageDate == yesterday) {
      return 'yesterday'.tr +
          ' ' +
          DateFormat('HH:mm').format(messageTime); // 昨天 HH:mm
    }

    // 本周内的消息显示"星期X HH:mm"
    if (difference.inDays < 7) {
      final weekday = _getWeekdayName(messageTime.weekday);
      return weekday + ' ' + DateFormat('HH:mm').format(messageTime);
    }

    // 今年的消息显示"MM-dd HH:mm"
    if (messageTime.year == now.year) {
      return DateFormat('MM-dd HH:mm').format(messageTime);
    }

    // 其他情况显示完整日期"yyyy-MM-dd HH:mm"
    return DateFormat('yyyy-MM-dd HH:mm').format(messageTime);
  }

  /// 获取星期名称
  String _getWeekdayName(int weekday) {
    switch (weekday) {
      case 1:
        return 'monday'.tr; // 星期一
      case 2:
        return 'tuesday'.tr; // 星期二
      case 3:
        return 'wednesday'.tr; // 星期三
      case 4:
        return 'thursday'.tr; // 星期四
      case 5:
        return 'friday'.tr; // 星期五
      case 6:
        return 'saturday'.tr; // 星期六
      case 7:
        return 'sunday'.tr; // 星期日
      default:
        return '';
    }
  }

  /// 构建工具调用流程组件
  Widget _buildFunctionCallsWidget(BuildContext context) {
    return Positioned(
        top: 0,
        left: 0,
        right: 0,
        child: Container(
          padding: const EdgeInsets.symmetric(
              horizontal: 0, vertical: 0), // 减少垂直padding
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // 标题行
              Container(
                height: 40, // 增加固定高度，给字体更多空间
                padding: EdgeInsets.all(8),
                decoration: BoxDecoration(
                  color: Theme.of(context).brightness == Brightness.dark
                      ? const Color.fromARGB(255, 71, 68, 68)?.withOpacity(0.8)
                      : Colors.grey[100]?.withOpacity(0.9),
                  borderRadius: const BorderRadius.only(
                    topLeft: Radius.circular(6),
                    topRight: Radius.circular(6),
                  ),
                  border: Border.all(
                    color: Theme.of(context).brightness == Brightness.dark
                        ? Colors.white.withOpacity(0.1)
                        : Colors.black.withOpacity(0.1),
                    width: 0.5,
                  ),
                ),
                child: Row(
                  children: [
                    Icon(
                      Icons.build, // 工具icon
                      size: 20, // 减小图标大小
                      color: Theme.of(context).brightness == Brightness.dark
                          ? Colors.white.withOpacity(0.7)
                          : Colors.black54,
                    ),
                    const SizedBox(width: 4),
                    // 显示最后一个工具名称 - 可点击展开
                    Expanded(
                      child: GestureDetector(
                        onTap: () async {
                          await controller.updateToolCallsExpanded(
                            sessionid,
                            !isToolCallsExpanded,
                          );
                        },
                        child: Text(
                          functionCalls != null && functionCalls!.isNotEmpty
                              ? functionCalls!.keys.last
                              : 'toolCall'.tr,
                          style: TextStyle(
                            fontSize: 16, // 适当增大字体
                            color:
                                Theme.of(context).brightness == Brightness.dark
                                    ? Colors.white.withOpacity(0.7)
                                    : Colors.black54,
                            fontWeight: FontWeight.w500,
                          ),
                          maxLines: 1,
                          overflow: TextOverflow.ellipsis,
                        ),
                      ),
                    ),
                    const SizedBox(width: 4),
                    // 拷贝按钮
                    GestureDetector(
                      onTap: () {
                        _copyFunctionCallsToClipboard();
                      },
                      child: Container(
                        padding: const EdgeInsets.all(2),
                        child: Icon(
                          Icons.copy,
                          size: 20,
                          color: Theme.of(context).brightness == Brightness.dark
                              ? Colors.white.withOpacity(0.7)
                              : Colors.black54,
                        ),
                      ),
                    ),
                    const SizedBox(width: 4),
                    // 展开按钮
                    GestureDetector(
                      onTap: () async {
                        await controller.updateToolCallsExpanded(
                          sessionid,
                          !isToolCallsExpanded,
                        );
                      },
                      child: Container(
                        padding: const EdgeInsets.all(2), // 增加 padding 从 2 到 8
                        child: Icon(
                          isToolCallsExpanded
                              ? Icons.keyboard_arrow_down // 展开时显示向上箭头
                              : Icons.keyboard_arrow_up, // 收起时显示向下箭头
                          size: 20, // 增加图标大小从 14 到 16
                          color: Theme.of(context).brightness == Brightness.dark
                              ? Colors.white.withOpacity(0.7)
                              : Colors.black54,
                        ),
                      ),
                    ),
                  ],
                ),
              ),
              // 展开的工具调用列表
              if (isToolCallsExpanded && functionCalls != null)
                Container(
                  margin: const EdgeInsets.only(top: 2), // 减少顶部间距
                  padding: const EdgeInsets.all(6), // 减少内边距
                  constraints: const BoxConstraints(
                    maxHeight: 120, // 限制最大高度，避免超界
                  ),
                  decoration: BoxDecoration(
                    // 添加更强的背景色来遮挡下层UI
                    color: Theme.of(context).brightness == Brightness.dark
                        ? Colors.grey[900]?.withOpacity(0.95) // 深色模式下使用深灰色背景
                        : Colors.white.withOpacity(0.95), // 浅色模式下使用白色背景
                    borderRadius: const BorderRadius.only(
                      bottomLeft: Radius.circular(6),
                      bottomRight: Radius.circular(6),
                    ),
                    border: Border.all(
                      color: Theme.of(context).brightness == Brightness.dark
                          ? Colors.white.withOpacity(0.2)
                          : Colors.black.withOpacity(0.2),
                      width: 0.5,
                    ),
                    // 添加阴影增强遮挡效果
                    boxShadow: [
                      BoxShadow(
                        color: Colors.black.withOpacity(0.1),
                        blurRadius: 4,
                        offset: const Offset(0, 2),
                      ),
                    ],
                  ),
                  child: SingleChildScrollView(
                    // 添加滚动，防止超界
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: functionCalls!.entries.map((entry) {
                        String toolName = entry.key;
                        dynamic toolResult = entry.value;
                        return Padding(
                          padding: const EdgeInsets.only(bottom: 8), // 减少间距
                          child: Row(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              // 工具名称 - 固定宽度
                              SizedBox(
                                width: 80, // 固定宽度
                                child: Text(
                                  toolName,
                                  style: TextStyle(
                                    fontSize: 12,
                                    color: Theme.of(context).brightness ==
                                            Brightness.dark
                                        ? Colors.white.withOpacity(0.6)
                                        : Colors.black45,
                                    fontWeight: FontWeight.w500,
                                  ),
                                  maxLines: 2,
                                  overflow: TextOverflow.ellipsis,
                                ),
                              ),
                              const SizedBox(width: 12), // 增加间距
                              // 工具结果 - 剩余空间
                              Expanded(
                                child: Text(
                                  toolResult?.toString() ?? 'noResult'.tr,
                                  style: TextStyle(
                                    fontSize: 12,
                                    color: Theme.of(context).brightness ==
                                            Brightness.dark
                                        ? Colors.white.withOpacity(0.8)
                                        : Colors.black87,
                                    height: 1.1, // 减小行高
                                  ),
                                ),
                              ),
                            ],
                          ),
                        );
                      }).toList(),
                    ),
                  ),
                ),
            ],
          ),
        ));
  }

  /// 拷贝工具调用内容到剪贴板
  void _copyFunctionCallsToClipboard() {
    if (functionCalls == null || functionCalls!.isEmpty) {
      Get.snackbar(
        'tip'.tr,
        'noToolCallContentToCopy'.tr,
        snackPosition: SnackPosition.BOTTOM,
        duration: const Duration(seconds: 2),
      );
      return;
    }

    StringBuffer buffer = StringBuffer();
    buffer.writeln('toolCallDetails'.tr);
    buffer.writeln('=' * 30);

    functionCalls!.forEach((toolName, toolData) {
      buffer.writeln('🔧 工具名称: $toolName');
      if (toolData is Map) {
        toolData.forEach((key, value) {
          buffer.writeln('   $key: $value');
        });
      } else {
        buffer.writeln('   结果: $toolData');
      }
      buffer.writeln('-' * 20);
    });

    Clipboard.setData(ClipboardData(text: buffer.toString()));

    Get.snackbar(
      'success'.tr,
      'toolCallContentCopied'.tr,
      snackPosition: SnackPosition.BOTTOM,
      duration: const Duration(seconds: 2),
    );
  }
}

/// 动画点组件
class _AnimatedDot extends StatefulWidget {
  final int delayMilliseconds;

  const _AnimatedDot({required this.delayMilliseconds});

  @override
  _AnimatedDotState createState() => _AnimatedDotState();
}

class _AnimatedDotState extends State<_AnimatedDot>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;
  late Animation<double> _animation;

  @override
  void initState() {
    super.initState();

    _controller = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 1500),
    );

    _animation = Tween<double>(begin: 0, end: 6).animate(
      CurvedAnimation(
        parent: _controller,
        curve: Interval(0.0, 0.5, curve: Curves.easeOut),
        reverseCurve: Interval(0.5, 1.0, curve: Curves.easeIn),
      ),
    )..addListener(() {
        setState(() {});
      });

    Future.delayed(Duration(milliseconds: widget.delayMilliseconds), () {
      if (mounted) {
        _controller.repeat();
      }
    });
  }

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

  @override
  Widget build(BuildContext context) {
    return Container(
      width: 6,
      height: 6,
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(3),
        boxShadow: [
          BoxShadow(
            color: Colors.white.withOpacity(0.5),
            blurRadius: _animation.value,
            spreadRadius: _animation.value / 2,
          ),
        ],
      ),
    );
  }
}