import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:descope/descope.dart';
import 'package:go_router/go_router.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import '../../../../core/notifiers/auth_notifier.dart';
import '../../../../core/services/auth_token_store.dart';
import '../../../../core/services/http_client.dart';
import '../../../../core/ui/layout_breakpoints.dart';
import '../../profile/domain/notifiers/profile_notifier.dart';

class AuditLogEntry {
  final String eventId;
  final DateTime timestamp;
  final String userId;
  final String eventType;
  final String status;
  final String authMethod;
  final String ipAddress;
  final String userAgent;
  final String sessionId;
  final String details;

  AuditLogEntry({
    required this.eventId,
    required this.timestamp,
    required this.userId,
    required this.eventType,
    required this.status,
    required this.authMethod,
    required this.ipAddress,
    required this.userAgent,
    required this.sessionId,
    required this.details,
  });

  factory AuditLogEntry.fromJson(Map<String, dynamic> json) {
    final timestampRaw = json['timestamp']?.toString() ?? '';
    DateTime parsedTimestamp;
    try {
      parsedTimestamp = DateTime.parse(timestampRaw).toLocal();
    } catch (_) {
      parsedTimestamp = DateTime.now();
    }

    return AuditLogEntry(
      eventId: json['event_id'] ?? '',
      timestamp: parsedTimestamp,
      userId: json['user_id'] ?? '',
      eventType: json['event_type'] ?? '',
      status: json['status'] ?? '',
      authMethod: json['auth_method'] ?? '',
      ipAddress: json['ip_address'] ?? '',
      userAgent: json['user_agent'] ?? '',
      sessionId: json['session_id'] ?? '',
      details: json['details'] ?? '',
    );
  }

  Map<String, dynamic> get detailMap {
    if (details.isEmpty) {
      return {};
    }
    try {
      return jsonDecode(details) as Map<String, dynamic>;
    } catch (_) {
      return {};
    }
  }

  String get path {
    final detailPath = detailMap['path']?.toString();
    if (detailPath != null && detailPath.isNotEmpty) {
      return detailPath;
    }
    final parts = eventType.split(' ');
    if (parts.length >= 2) {
      return parts.sublist(1).join(' ');
    }
    return '-';
  }
}

class DashboardScreen extends ConsumerStatefulWidget {
  const DashboardScreen({super.key});

  @override
  ConsumerState<DashboardScreen> createState() => _DashboardScreenState();
}

class _DashboardScreenState extends ConsumerState<DashboardScreen> {
  static const _ink = Color(0xFF1A1F2C);
  static const _surface = Colors.white;
  static const _border = Color(0xFFE5E7EB);
  static const _subtle = Color(0xFFF7F8FA);

  Future<List<AuditLogEntry>>? _auditFuture;
  bool _showAllActivities = false;

  @override
  void initState() {
    super.initState();
    _auditFuture = _fetchAuditLogs();
  }

  Future<void> _logout() async {
    Descope.sessionManager.clearSession();
    AuthTokenStore.clear();
    AuthNotifier.instance.notify();
  }

  void _onScanQR() {
    context.push('/scan');
  }

  Widget _buildSideMenu(BuildContext context, {required bool closeOnTap}) {
    return SafeArea(
      child: ListView(
        padding: const EdgeInsets.symmetric(vertical: 12),
        children: [
          ListTile(
            leading: const Icon(Icons.home_outlined),
            title: const Text('대시보드'),
            selected: true,
            onTap: () {
              if (closeOnTap) {
                Navigator.of(context).pop();
              }
              context.go('/');
            },
          ),
          ListTile(
            leading: const Icon(Icons.person_outline),
            title: const Text('내 정보'),
            onTap: () {
              if (closeOnTap) {
                Navigator.of(context).pop();
              }
              context.push('/profile');
            },
          ),
          ListTile(
            leading: const Icon(Icons.qr_code_scanner),
            title: const Text('QR 스캔'),
            onTap: () {
              if (closeOnTap) {
                Navigator.of(context).pop();
              }
              _onScanQR();
            },
          ),
          const Divider(),
          ListTile(
            leading: const Icon(Icons.logout),
            title: const Text('로그아웃'),
            onTap: () async {
              if (closeOnTap) {
                Navigator.of(context).pop();
              }
              await _logout();
            },
          ),
        ],
      ),
    );
  }

  Future<void> _refreshAll() async {
    await ref.read(profileProvider.notifier).loadProfile();
    setState(() {
      _auditFuture = _fetchAuditLogs();
    });
    if (_auditFuture != null) {
      await _auditFuture;
    }
  }

  static String _envOrDefault(String key, String fallback) {
    if (!dotenv.isInitialized) {
      return fallback;
    }
    return dotenv.env[key] ?? fallback;
  }

  Future<List<AuditLogEntry>> _fetchAuditLogs() async {
    final baseUrl = _envOrDefault('BACKEND_URL', 'https://sso.hmac.kr');
    final url = Uri.parse('$baseUrl/api/v1/audit/auth/timeline?limit=20');
    final useCookie = AuthTokenStore.usesCookie();
    final token = AuthTokenStore.getToken();

    final client = createHttpClient(withCredentials: useCookie);
    final headers = <String, String>{
      'Content-Type': 'application/json',
    };
    if (!useCookie && token != null) {
      headers['Authorization'] = 'Bearer $token';
    }

    final response = await client.get(url, headers: headers);
    client.close();

    if (response.statusCode != 200) {
      throw Exception('Failed to load audit logs');
    }

    final body = jsonDecode(response.body) as Map<String, dynamic>;
    final items = (body['items'] as List?) ?? [];
    final logs = items
        .whereType<Map<String, dynamic>>()
        .map(AuditLogEntry.fromJson)
        .toList();

    return logs;
  }

  DateTime? _getJwtIssuedAt() {
    final token = AuthTokenStore.getToken();
    if (token == null || token.isEmpty) {
      return null;
    }
    try {
      final parts = token.split('.');
      if (parts.length != 3) {
        return null;
      }
      final payload = utf8.decode(base64Url.decode(base64Url.normalize(parts[1])));
      final data = json.decode(payload) as Map<String, dynamic>;
      final iatValue = data['iat'] ?? data['auth_time'];
      if (iatValue is num) {
        return DateTime.fromMillisecondsSinceEpoch(iatValue.toInt() * 1000).toLocal();
      }
    } catch (_) {
      return null;
    }
    return null;
  }

  String _formatDateTime(DateTime dateTime) {
    final yyyy = dateTime.year.toString().padLeft(4, '0');
    final mm = dateTime.month.toString().padLeft(2, '0');
    final dd = dateTime.day.toString().padLeft(2, '0');
    final hh = dateTime.hour.toString().padLeft(2, '0');
    final min = dateTime.minute.toString().padLeft(2, '0');
    return '$yyyy.$mm.$dd $hh:$min';
  }

  String _authMethodLabel() {
    if (AuthTokenStore.usesCookie()) {
      return 'Ory 세션';
    }
    final provider = AuthTokenStore.getProvider();
    if (provider == null || provider.isEmpty) {
      return '세션';
    }
    final lower = provider.toLowerCase();
    if (lower.contains('ory')) {
      return 'Ory 세션';
    }
    if (lower.contains('descope')) {
      return 'Descope';
    }
    return provider;
  }

  String _deviceLabelFromUserAgent(String userAgent) {
    if (userAgent.isEmpty) {
      return '-';
    }
    final ua = userAgent.toLowerCase();
    if (ua.contains('iphone') || ua.contains('ipad') || ua.contains('ipod')) {
      return 'Mobile(iOS)';
    }
    if (ua.contains('android')) {
      return 'Mobile(Android)';
    }
    if (ua.contains('windows')) {
      return 'Desktop(Windows)';
    }
    if (ua.contains('mac os x') || ua.contains('macintosh')) {
      return 'Desktop(macOS)';
    }
    if (ua.contains('linux')) {
      return 'Desktop(Linux)';
    }
    return 'Unknown';
  }

  Widget _buildAuthMethodCell(AuditLogEntry log, String authMethod) {
    if (authMethod != 'QR') {
      return Text(authMethod);
    }
    final approvedSessionId = log.detailMap['approved_session_id']?.toString() ?? '';
    final tooltip = approvedSessionId.isEmpty
        ? '승인한 세션 ID 없음'
        : '승인한 세션 ID: $approvedSessionId\n클릭하면 복사됩니다.';
    return InkWell(
      onTap: approvedSessionId.isEmpty
          ? null
          : () async {
              await Clipboard.setData(ClipboardData(text: approvedSessionId));
              if (mounted) {
                ScaffoldMessenger.of(context).showSnackBar(
                  const SnackBar(content: Text('세션 ID가 복사되었습니다.')),
                );
              }
            },
      child: Tooltip(
        message: tooltip,
        child: Text(
          'QR',
          style: TextStyle(
            color: approvedSessionId.isEmpty ? _ink : Colors.blueAccent,
            decoration:
                approvedSessionId.isEmpty ? null : TextDecoration.underline,
          ),
        ),
      ),
    );
  }

  Widget _buildAuthMethodLine(AuditLogEntry log, String authMethod) {
    if (authMethod != 'QR') {
      return Text('인증수단: $authMethod');
    }
    final approvedSessionId = log.detailMap['approved_session_id']?.toString() ?? '';
    return InkWell(
      onTap: approvedSessionId.isEmpty
          ? null
          : () async {
              await Clipboard.setData(ClipboardData(text: approvedSessionId));
              if (mounted) {
                ScaffoldMessenger.of(context).showSnackBar(
                  const SnackBar(content: Text('세션 ID가 복사되었습니다.')),
                );
              }
            },
      child: Tooltip(
        message: approvedSessionId.isEmpty
            ? '승인한 세션 ID 없음'
            : '승인한 세션 ID: $approvedSessionId\n탭하면 복사됩니다.',
        child: Text(
          '인증수단: QR',
          style: TextStyle(
            color: approvedSessionId.isEmpty ? _ink : Colors.blueAccent,
            decoration: approvedSessionId.isEmpty
                ? null
                : TextDecoration.underline,
          ),
        ),
      ),
    );
  }

  String _appLabelForPath(String path) {
    if (path.startsWith('/api/v1/auth')) {
      return 'Baron 통합로그인';
    }
    if (path.startsWith('/api/v1/user')) {
      return 'Baron 통합로그인';
    }
    if (path.startsWith('/api/v1/dev')) {
      return 'Dev Console';
    }
    if (path.startsWith('/api/v1/admin')) {
      return 'Admin Console';
    }
    return 'Baron 통합로그인';
  }

  @override
  Widget build(BuildContext context) {
    final isWide = MediaQuery.of(context).size.width >= sideMenuBreakpoint;
    final profileState = ref.watch(profileProvider);
    final profile = profileState.value;
    final user = Descope.sessionManager.session?.user;
    final userName = user?.name ??
        user?.email ??
        user?.phone ??
        profile?.name ??
        profile?.email ??
        profile?.phone ??
        'User';
    final department = profile?.department.isNotEmpty == true ? profile!.department : '소속 정보 없음';
    final sessionIssuedAt = _getJwtIssuedAt();

    return Scaffold(
      backgroundColor: _subtle,
      appBar: AppBar(
        title: Text(
          'Baron 통합로그인',
          style: GoogleFonts.outfit(fontWeight: FontWeight.bold),
        ),
        elevation: 0,
        backgroundColor: _surface,
        foregroundColor: Colors.black,
        actions: [
          IconButton(
            icon: const Icon(Icons.person_outline),
            tooltip: '내 정보',
            onPressed: () => context.push('/profile'),
          ),
          IconButton(
            icon: const Icon(Icons.qr_code_scanner),
            tooltip: 'QR 스캔',
            onPressed: _onScanQR,
          ),
          IconButton(
            icon: const Icon(Icons.logout),
            tooltip: '로그아웃',
            onPressed: _logout,
          ),
        ],
      ),
      drawer: isWide ? null : Drawer(child: _buildSideMenu(context, closeOnTap: true)),
      body: Row(
        children: [
          if (isWide)
            SizedBox(
              width: 240,
              child: _buildSideMenu(context, closeOnTap: false),
            ),
          Expanded(
            child: RefreshIndicator(
              onRefresh: _refreshAll,
              child: LayoutBuilder(
                builder: (context, constraints) {
                  final timelineWide = constraints.maxWidth >= 900;
                  final isMobile = constraints.maxWidth < 600;
                  return SingleChildScrollView(
                    physics: const AlwaysScrollableScrollPhysics(),
                    child: Padding(
                      padding: const EdgeInsets.all(24),
                      child: Column(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          if (!isMobile) ...[
                            _buildHeaderCard(userName, department, sessionIssuedAt),
                            const SizedBox(height: 28),
                          ],
                          _buildSectionTitle('활동상황', '현재 연결된 앱과 최근 인증 상태입니다.'),
                          const SizedBox(height: 12),
                          _buildActivityGrid(sessionIssuedAt, isMobile),
                          const SizedBox(height: 28),
                          _buildSectionTitle('접속이력', 'Baron 통합로그인 기준의 최근 접근 기록입니다.'),
                          const SizedBox(height: 12),
                          _buildAccessHistory(timelineWide),
                        ],
                      ),
                    ),
                  );
                },
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildHeaderCard(String userName, String department, DateTime? issuedAt) {
    final sessionLabel = issuedAt != null ? _formatDateTime(issuedAt) : '알 수 없음';
    final infoColumn = Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text(
          '안녕하세요, $userName님',
          style: const TextStyle(fontSize: 22, fontWeight: FontWeight.bold, color: _ink),
        ),
        const SizedBox(height: 6),
        Text(
          department,
          style: TextStyle(color: Colors.grey[600], fontSize: 14),
        ),
        const SizedBox(height: 16),
        Wrap(
          spacing: 8,
          runSpacing: 8,
          children: [
            _buildInfoChip(Icons.verified_user, '세션 활성'),
            _buildInfoChip(Icons.lock_outline, _authMethodLabel()),
            _buildInfoChip(Icons.access_time, sessionLabel),
          ],
        ),
      ],
    );

    return Container(
      width: double.infinity,
      padding: const EdgeInsets.all(20),
      decoration: BoxDecoration(
        color: _surface,
        borderRadius: BorderRadius.circular(16),
        border: Border.all(color: _border),
        boxShadow: [
          BoxShadow(
            color: Colors.black.withOpacity(0.04),
            blurRadius: 18,
            offset: const Offset(0, 8),
          ),
        ],
      ),
      child: infoColumn,
    );
  }

  Widget _buildSectionTitle(String title, String subtitle) {
    return Row(
      crossAxisAlignment: CrossAxisAlignment.end,
      children: [
        Text(
          title,
          style: const TextStyle(fontSize: 18, fontWeight: FontWeight.w700, color: _ink),
        ),
        const SizedBox(width: 12),
        Text(
          subtitle,
          style: TextStyle(fontSize: 13, color: Colors.grey[600]),
        ),
      ],
    );
  }

  Widget _buildInfoChip(IconData icon, String label) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
      decoration: BoxDecoration(
        color: _subtle,
        borderRadius: BorderRadius.circular(999),
        border: Border.all(color: _border),
      ),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(icon, size: 16, color: _ink),
          const SizedBox(width: 6),
          Text(
            label,
            style: const TextStyle(fontSize: 12, color: _ink, fontWeight: FontWeight.w600),
          ),
        ],
      ),
    );
  }

  Widget _buildActivityGrid(DateTime? signupAt, bool isMobile) {
    final signupLabel = signupAt != null ? _formatDateTime(signupAt) : '확인 필요';
    final activities = [
      _ActivityItem(
        appName: 'Baron 통합로그인',
        lastAuthAt: signupLabel,
        status: '활성',
        canLogout: true,
        onLogout: _logout,
      ),
      _ActivityItem(
        appName: 'BEPs',
        lastAuthAt: '연동 필요',
        status: '미연동',
        canLogout: false,
      ),
      _ActivityItem(
        appName: 'KNGIL',
        lastAuthAt: '연동 필요',
        status: '미연동',
        canLogout: false,
      ),
      _ActivityItem(
        appName: 'C.E.L',
        lastAuthAt: '연동 필요',
        status: '미연동',
        canLogout: false,
      ),
      _ActivityItem(
        appName: 'EG-BIM',
        lastAuthAt: '연동 필요',
        status: '미연동',
        canLogout: false,
      ),
    ];

    if (!isMobile) {
      return Wrap(
        spacing: 12,
        runSpacing: 12,
        children: activities.map(_buildActivityCard).toList(),
      );
    }

    final visibleCount = _showAllActivities ? activities.length : 4;
    final visibleActivities = activities.take(visibleCount).toList();
    final shouldShowToggle = activities.length > 4;

    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        GridView.builder(
          shrinkWrap: true,
          physics: const NeverScrollableScrollPhysics(),
          gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
            crossAxisCount: 2,
            mainAxisSpacing: 12,
            crossAxisSpacing: 12,
            childAspectRatio: 1.05,
          ),
          itemCount: visibleActivities.length,
          itemBuilder: (context, index) => _buildActivityCard(visibleActivities[index]),
        ),
        if (shouldShowToggle)
          Align(
            alignment: Alignment.centerRight,
            child: TextButton(
              onPressed: () {
                setState(() {
                  _showAllActivities = !_showAllActivities;
                });
              },
              child: Text(_showAllActivities ? '접기' : '더보기'),
            ),
          ),
      ],
    );
  }

  Widget _buildActivityCard(_ActivityItem item) {
    final statusColor = item.status == '활성' ? Colors.green : Colors.grey;
    return Container(
      width: 260,
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: _surface,
        borderRadius: BorderRadius.circular(14),
        border: Border.all(color: _border),
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Row(
            children: [
              Expanded(
                child: Text(
                  item.appName,
                  style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: _ink),
                ),
              ),
              Container(
                padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                decoration: BoxDecoration(
                  color: statusColor.withOpacity(0.12),
                  borderRadius: BorderRadius.circular(999),
                ),
                child: Text(
                  item.status,
                  style: TextStyle(fontSize: 11, color: statusColor, fontWeight: FontWeight.w600),
                ),
              ),
            ],
          ),
          const SizedBox(height: 12),
          Text(
            '가입일시',
            style: TextStyle(fontSize: 12, color: Colors.grey[600]),
          ),
          const SizedBox(height: 4),
          Text(
            item.lastAuthAt,
            style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: _ink),
          ),
          const SizedBox(height: 16),
          SizedBox(
            width: double.infinity,
            child: OutlinedButton(
              onPressed: item.canLogout ? item.onLogout : null,
              style: OutlinedButton.styleFrom(
                foregroundColor: _ink,
                side: const BorderSide(color: _border),
              ),
              child: const Text('로그아웃'),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildAccessHistory(bool isWide) {
    return FutureBuilder<List<AuditLogEntry>>(
      future: _auditFuture,
      builder: (context, snapshot) {
        if (snapshot.connectionState == ConnectionState.waiting) {
          return _buildHistoryContainer(
            child: const Center(child: CircularProgressIndicator()),
          );
        }

        if (snapshot.hasError) {
          return _buildHistoryContainer(
            child: Center(
              child: Column(
                mainAxisSize: MainAxisSize.min,
                children: [
                  const Text('접속이력을 불러오지 못했습니다.'),
                  const SizedBox(height: 8),
                  TextButton(
                    onPressed: () {
                      setState(() {
                        _auditFuture = _fetchAuditLogs();
                      });
                    },
                    child: const Text('다시 시도'),
                  ),
                ],
              ),
            ),
          );
        }

        final logs = snapshot.data ?? [];
        if (logs.isEmpty) {
          return _buildHistoryContainer(
            child: Center(
              child: Text(
                '최근 접속 이력이 없습니다.',
                style: TextStyle(color: Colors.grey[600]),
              ),
            ),
          );
        }

        if (isWide) {
          return _buildHistoryTable(logs);
        }
        return _buildHistoryList(logs);
      },
    );
  }

  Widget _buildHistoryContainer({required Widget child}) {
    return Container(
      width: double.infinity,
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: _surface,
        borderRadius: BorderRadius.circular(14),
        border: Border.all(color: _border),
      ),
      child: child,
    );
  }

  Widget _buildHistoryTable(List<AuditLogEntry> logs) {
    return _buildHistoryContainer(
      child: LayoutBuilder(
        builder: (context, constraints) {
          return SingleChildScrollView(
            scrollDirection: Axis.horizontal,
            child: ConstrainedBox(
              constraints: BoxConstraints(minWidth: constraints.maxWidth),
              child: DataTable(
                columnSpacing: 16,
                horizontalMargin: 12,
                columns: const [
                  DataColumn(label: Text('Session ID')),
                  DataColumn(label: Text('접속일자')),
                  DataColumn(label: Text('애플리케이션')),
                  DataColumn(label: Text('IP')),
                  DataColumn(label: Text('접속환경')),
                  DataColumn(label: Text('인증수단')),
                  DataColumn(label: Text('인증결과')),
                  DataColumn(label: Text('현황')),
                ],
                rows: logs.take(10).map((log) {
                  final statusLabel = log.status == 'success' ? '성공' : '실패';
                  final statusColor = log.status == 'success' ? Colors.green : Colors.redAccent;
                  final appLabel = _appLabelForPath(log.path);
                  final authMethod = log.authMethod.isNotEmpty ? log.authMethod : _authMethodLabel();
                  final deviceLabel = _deviceLabelFromUserAgent(log.userAgent);
                  return DataRow(cells: [
                    DataCell(Text(log.sessionId.isEmpty ? '-' : log.sessionId)),
                    DataCell(Text(_formatDateTime(log.timestamp))),
                    DataCell(Text(appLabel)),
                    DataCell(Text(log.ipAddress.isEmpty ? '-' : log.ipAddress)),
                    DataCell(Text(deviceLabel)),
                    DataCell(_buildAuthMethodCell(log, authMethod)),
                    DataCell(Text(statusLabel, style: TextStyle(color: statusColor, fontWeight: FontWeight.w600))),
                    const DataCell(Text('(준비중)', style: TextStyle(color: Colors.grey))),
                  ]);
                }).toList(),
              ),
            ),
          );
        },
      ),
    );
  }

  Widget _buildHistoryList(List<AuditLogEntry> logs) {
    return _buildHistoryContainer(
      child: Column(
        children: logs.take(10).map((log) {
          final statusLabel = log.status == 'success' ? '성공' : '실패';
          final statusColor = log.status == 'success' ? Colors.green : Colors.redAccent;
          final appLabel = _appLabelForPath(log.path);
          final authMethod = log.authMethod.isNotEmpty ? log.authMethod : _authMethodLabel();
          final deviceLabel = _deviceLabelFromUserAgent(log.userAgent);
          return Container(
            margin: const EdgeInsets.only(bottom: 12),
            padding: const EdgeInsets.all(12),
            decoration: BoxDecoration(
              color: _subtle,
              borderRadius: BorderRadius.circular(12),
              border: Border.all(color: _border),
            ),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Row(
                  children: [
                    Expanded(
                      child: Text(
                        appLabel,
                        style: const TextStyle(fontWeight: FontWeight.w600, color: _ink),
                      ),
                    ),
                    Text(
                      statusLabel,
                      style: TextStyle(color: statusColor, fontWeight: FontWeight.w600),
                    ),
                  ],
                ),
                const SizedBox(height: 6),
                Text('Session ID: ${log.sessionId.isEmpty ? '-' : log.sessionId}'),
                Text('접속일자: ${_formatDateTime(log.timestamp)}'),
                Text('접속 IP: ${log.ipAddress.isEmpty ? '-' : log.ipAddress}'),
                Text('접속환경: $deviceLabel'),
                _buildAuthMethodLine(log, authMethod),
                Text('인증결과: $statusLabel'),
                Text('현황: (준비중)', style: TextStyle(color: Colors.grey[600])),
              ],
            ),
          );
        }).toList(),
      ),
    );
  }
}

class _ActivityItem {
  final String appName;
  final String lastAuthAt;
  final String status;
  final bool canLogout;
  final VoidCallback? onLogout;

  _ActivityItem({
    required this.appName,
    required this.lastAuthAt,
    required this.status,
    required this.canLogout,
    this.onLogout,
  });
}