import 'dart:async';

import 'package:flutter/material.dart';

import '../config/strings.dart';
import '../config/title_server_config.dart';
import '../services/title_api_service.dart';

enum TicketStep {
  idle,
  checkPreview,
  userLogin,
  fetchData,
  chargeTicket,
  uploadPlaylog,
  upsertAll,
  logout,
  complete,
  failed,
}

class TicketPage extends StatefulWidget {
  final int userId;
  final String token;

  const TicketPage({super.key, required this.userId, required this.token});

  @override
  State<TicketPage> createState() => _TicketPageState();
}

class _TicketPageState extends State<TicketPage> {
  static const _ticketNameMap = {
    1: '🈚️功能票',
    2: '2倍功能票',
    3: '3倍功能票',
    4: '4倍功能票',
    5: '5倍功能票',
    6: '6倍功能票'
  };

  final _formKey = GlobalKey<FormState>();
  final _musicIdController = TextEditingController(text: '417');
  final _levelController = TextEditingController(text: '3');
  final _achievementController = TextEditingController(text: '1010000');
  final _comboStatusController = TextEditingController(text: '4');
  final _syncStatusController = TextEditingController(text: '4');
  final _deluxscoreMaxController = TextEditingController(text: '2277');
  final _scoreRankController = TextEditingController(text: '13');

  TicketStep _step = TicketStep.idle;
  String _stepMessage = '';
  String? _error;
  bool _running = false;

  List<Map<String, dynamic>>? _tickets;
  bool _ticketsLoading = false;
  String? _ticketsError;
  int? _selectedTicketId;

  // Rewards from upsertUserAll response
  List<Map<String, dynamic>>? _rewards;

  String _ticketName(int chargeId) =>
      _ticketNameMap[chargeId] ?? '票$chargeId';

  @override
  void dispose() {
    _musicIdController.dispose();
    _levelController.dispose();
    _achievementController.dispose();
    _comboStatusController.dispose();
    _syncStatusController.dispose();
    _deluxscoreMaxController.dispose();
    _scoreRankController.dispose();
    super.dispose();
  }

  Map<String, dynamic> _buildMusicData() {
    return {
      'musicId': int.tryParse(_musicIdController.text) ?? 417,
      'level': int.tryParse(_levelController.text) ?? 3,
      'achievement': int.tryParse(_achievementController.text) ?? 1010000,
      'comboStatus': int.tryParse(_comboStatusController.text) ?? 4,
      'syncStatus': int.tryParse(_syncStatusController.text) ?? 4,
      'deluxscoreMax': int.tryParse(_deluxscoreMaxController.text) ?? 2277,
      'scoreRank': int.tryParse(_scoreRankController.text) ?? 13,
      'extNum1': 0,
      'playCount': 1,
    };
  }

  void _updateStep(TicketStep step, [String? message]) {
    if (!mounted) return;
    setState(() {
      _step = step;
      _stepMessage = message ?? '';
    });
  }

  Future<void> _loadTickets() async {
    if (!TitleServerConfigHolder().isConfigured) return;

    // ignore: avoid_print
    print('[TICKET] ===== _loadTickets =====');

    setState(() {
      _ticketsLoading = true;
      _ticketsError = null;
      _tickets = null;
      _selectedTicketId = null;
    });

    try {
      final config = TitleServerConfigHolder().config!;
      final service = TitleApiService(config);
      final data = await service.getUserCharge(widget.userId);
      if (!mounted) return;

      final rawList = data['userChargeList'] as List<dynamic>? ?? [];

      // ignore: avoid_print
      print('[TICKET] _loadTickets: got ${rawList.length} tickets');
      for (var i = 0; i < rawList.length; i++) {
        final t = rawList[i] as Map<String, dynamic>;
        // ignore: avoid_print
        print('[TICKET]   ticket[$i] chargeId=${t['chargeId']} stock=${t['stock']} validDate=${t['validDate']}');
      }

      setState(() {
        _tickets = rawList.map((e) => e as Map<String, dynamic>).toList();
        _ticketsLoading = false;
      });
    } catch (e) {
      if (!mounted) return;
      // ignore: avoid_print
      print('[TICKET] _loadTickets ERROR: $e');
      setState(() {
        _ticketsError = e.toString();
        _ticketsLoading = false;
      });
    }
  }

  Future<void> _runTicket() async {
    // ignore: avoid_print
    print('');
    // ignore: avoid_print
    print('██████████████████████████████████████');
    // ignore: avoid_print
    print('[TICKET] ===== START _runTicket =====');
    // ignore: avoid_print
    print('[TICKET] userId=${widget.userId} token=${widget.token}');
    // ignore: avoid_print
    print('[TICKET] config: url=${TitleServerConfigHolder().config!.titleServerUrl} clientId=${TitleServerConfigHolder().config!.clientId} regionId=${TitleServerConfigHolder().config!.regionId} placeId=${TitleServerConfigHolder().config!.placeId}');

    if (_selectedTicketId == null) {
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(content: Text(AppStrings.ticketNotSelected)),
        );
      }
      return;
    }

    if (!TitleServerConfigHolder().isConfigured) {
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(content: Text(AppStrings.ticketNotConfigured)),
        );
      }
      return;
    }

    final config = TitleServerConfigHolder().config!;
    final service = TitleApiService(config);
    final musicData = _buildMusicData();
    final userId = widget.userId;
    final token = widget.token;
    final ticketId = _selectedTicketId!;

    // ignore: avoid_print
    print('[TICKET] musicData: $musicData');
    // ignore: avoid_print
    print('[TICKET] selectedTicketId: $ticketId (${_ticketName(ticketId)})');

    setState(() {
      _running = true;
      _error = null;
      _rewards = null;
    });

    var loginId = 0;
    String lastLoginDate = '';
    int loginTimestamp = 0;

    try {
      // Step 1: Check preview
      // ignore: avoid_print
      print('[TICKET] ── Step 1: getUserPreview ──');
      _updateStep(TicketStep.checkPreview);
      final preview = await service.getUserPreview(userId: userId, token: token);
      // ignore: avoid_print
      print('[TICKET] preview.isLogin=${preview.isLogin} errorId=${preview.errorId} userName=${preview.userName}');
      if (preview.isLogin) {
        // ignore: avoid_print
        print('[TICKET] user already logged in, force-logout stale session...');
        try {
          print('[TICKET] force-logout: waiting 5s...');
          await Future.delayed(const Duration(seconds: 5));
          print('[TICKET] force-logout: sending...');
          await service.userLogout(userId: userId, loginDateTime: DateTime.now().millisecondsSinceEpoch ~/ 1000);
          // ignore: avoid_print
          print('[TICKET] force-logout done');
        } catch (e) {
          // ignore: avoid_print
          print('[TICKET] force-logout failed (ignored): $e');
        }
      }

      // Step 2: Login
      // ignore: avoid_print
      print('[TICKET] ── Step 2: userLoginFull ──');
      _updateStep(TicketStep.userLogin);
      final loginResult = await service.userLoginFull(userId: userId, token: token);
      loginId = loginResult.loginId;
      lastLoginDate = loginResult.lastLoginDate;
      loginTimestamp = loginResult.loginDateTime;
      // ignore: avoid_print
      print('[TICKET] loginId=$loginId lastLoginDate=$lastLoginDate loginDateTime=$loginTimestamp newToken=${loginResult.token}');

      // Wait 60s after LoginPacket for stability
      // ignore: avoid_print
      print('[TICKET] waiting 60s after LoginPacket...');
      await Future.delayed(const Duration(seconds: 60));

      // Step 3: Get user data (for playerRating)
      // ignore: avoid_print
      print('[TICKET] ── Step 3: getUserData ──');
      _updateStep(TicketStep.fetchData);
      final userData = await service.getUserData(userId);
      if (!mounted) return;
      final playerRating = ((userData['userData'] as Map<String, dynamic>?)?['playerRating'] as num?)?.toInt() ?? 0;
      // ignore: avoid_print
      print('[TICKET] playerRating=$playerRating');

      // Step 4: Use ticket (UpsertUserChargelogApi)
      // ignore: avoid_print
      print('[TICKET] ── Step 4: upsertUserChargeLog (ticketId=$ticketId) ──');
      _updateStep(TicketStep.chargeTicket);
      await service.upsertUserChargeLog(
        userId: userId,
        ticketId: ticketId,
        loginDate: lastLoginDate,
        playerRating: playerRating,
      );
      // ignore: avoid_print
      print('[TICKET] upsertUserChargeLog OK');

      // Step 5: Upload playlog (using ticket)
      // ignore: avoid_print
      print('[TICKET] ── Step 5: uploadUserPlaylog ──');
      _updateStep(TicketStep.uploadPlaylog);
      await service.uploadUserPlaylog(
        userId: userId,
        loginId: loginId,
        musicData: musicData,
        userData: userData,
        ticketId: ticketId,
      );
      // ignore: avoid_print
      print('[TICKET] uploadUserPlaylog OK');

      // Step 6: Fetch remaining data + upsertAll
      // ignore: avoid_print
      print('[TICKET] ── Step 6: fetch all + upsertUserAll ──');
      _updateStep(TicketStep.upsertAll);
      // ignore: avoid_print
      print('[TICKET] parallel fetching: userExtend, userOption, userRating, userCharge, userActivity, userMissionData...');
      final results = await Future.wait([
        Future.value(userData),
        service.getUserExtend(userId),
        service.getUserOption(userId),
        service.getUserRating(userId),
        service.getUserCharge(userId),
        service.getUserActivity(userId),
        service.getUserMissionData(userId),
      ]);
      // ignore: avoid_print
      print('[TICKET] all fetches done, calling upsertUserAll...');

      final userAllJson = await service.upsertUserAll(
        userId: userId,
        loginId: loginId,
        loginDate: lastLoginDate,
        musicData: musicData,
        generalUserInfo: results,
        ticketId: ticketId,
      );

      // Check rewards
      final upsertAll = userAllJson['upsertUserAll'] as Map<String, dynamic>?;
      final pointList = upsertAll?['userGetPointList'] as List<dynamic>?;
      // ignore: avoid_print
      print('[TICKET] upsertUserAll returnCode=${userAllJson['returnCode']}');
      if (pointList != null && pointList.isNotEmpty) {
        _rewards = pointList.map((e) => e as Map<String, dynamic>).toList();
        // ignore: avoid_print
        print('[TICKET] rewards: $_rewards');
      } else {
        // ignore: avoid_print
        print('[TICKET] no rewards (userGetPointList empty or null)');
      }

      // ignore: avoid_print
      print('[TICKET] ===== TICKET COMPLETE =====');
      _updateStep(TicketStep.complete, AppStrings.ticketLoginInfo(loginId));
    } on TitleApiException catch (e) {
      // ignore: avoid_print
      print('[TICKET] ===== TitleApiException: ${e.message} =====');
      _updateStep(TicketStep.failed, e.message);
      setState(() => _error = e.message);
    } catch (e) {
      // ignore: avoid_print
      print('[TICKET] ===== EXCEPTION: $e =====');
      _updateStep(TicketStep.failed, e.toString());
      setState(() => _error = e.toString());
    } finally {
      // Step 7: Logout (always)
      if (loginId != 0) {
        // ignore: avoid_print
        print('[TICKET] ── Step 7: userLogout (loginId=$loginId, loginTimestamp=$loginTimestamp) ──');
        try {
          _updateStep(TicketStep.logout);
          print('[TICKET] ── Step 7: userLogout ── waiting 5s...');
          await Future.delayed(const Duration(seconds: 5));
          print('[TICKET] ── Step 7: userLogout ── sending...');
          await service.userLogout(userId: userId, loginDateTime: loginTimestamp);
          // ignore: avoid_print
          print('[TICKET] userLogout OK');
        } catch (e) {
          // ignore: avoid_print
          print('[TICKET] userLogout ERROR (ignored): $e');
        }
      } else {
        // ignore: avoid_print
        print('[TICKET] ── Step 7: SKIP logout (loginId=0) ──');
      }
      // ignore: avoid_print
      print('██████████████████████████████████████');
      // ignore: avoid_print
      print('');
      if (mounted) {
        setState(() => _running = false);
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);

    if (!TitleServerConfigHolder().isConfigured) {
      return Center(
        child: Padding(
          padding: const EdgeInsets.all(32),
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              Icon(Icons.settings_ethernet, size: 48, color: theme.colorScheme.primary),
              const SizedBox(height: 16),
              Text(AppStrings.ticketNotConfigured, style: theme.textTheme.titleMedium),
            ],
          ),
        ),
      );
    }

    return SingleChildScrollView(
      padding: const EdgeInsets.all(16),
      child: ConstrainedBox(
        constraints: const BoxConstraints(maxWidth: 500),
        child: Column(
          children: [
            _buildTicketListCard(theme),
            const SizedBox(height: 16),
            _buildMusicForm(theme),
            const SizedBox(height: 16),
            _buildRunButton(theme),
            if (_step != TicketStep.idle) ...[
              const SizedBox(height: 16),
              _buildProgressCard(theme),
            ],
          ],
        ),
      ),
    );
  }

  Widget _buildTicketListCard(ThemeData theme) {
    return Card(
      elevation: 0,
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(16),
        side: BorderSide(
          color: _selectedTicketId != null
              ? theme.colorScheme.primary.withValues(alpha: 0.5)
              : theme.colorScheme.outline.withValues(alpha: 0.3),
        ),
      ),
      child: Padding(
        padding: const EdgeInsets.all(20),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              children: [
                Icon(Icons.confirmation_number, size: 18, color: theme.colorScheme.primary),
                const SizedBox(width: 8),
                Expanded(
                  child: Text(
                    AppStrings.myTickets,
                    style: theme.textTheme.labelLarge?.copyWith(
                      color: theme.colorScheme.primary,
                      fontWeight: FontWeight.w600,
                    ),
                  ),
                ),
                SizedBox(
                  height: 32,
                  child: OutlinedButton.icon(
                    onPressed: _ticketsLoading ? null : _loadTickets,
                    icon: _ticketsLoading
                        ? const SizedBox(
                            width: 14,
                            height: 14,
                            child: CircularProgressIndicator(strokeWidth: 2),
                          )
                        : const Icon(Icons.refresh, size: 16),
                    label: Text(
                      _ticketsLoading ? AppStrings.loading : AppStrings.refreshTickets,
                      style: theme.textTheme.labelSmall,
                    ),
                    style: OutlinedButton.styleFrom(
                      padding: const EdgeInsets.symmetric(horizontal: 12),
                      shape: RoundedRectangleBorder(
                        borderRadius: BorderRadius.circular(8),
                      ),
                    ),
                  ),
                ),
              ],
            ),
            const SizedBox(height: 12),
            if (_ticketsError != null)
              Container(
                width: double.infinity,
                padding: const EdgeInsets.all(10),
                decoration: BoxDecoration(
                  color: theme.colorScheme.errorContainer,
                  borderRadius: BorderRadius.circular(8),
                ),
                child: Text(
                  _ticketsError!,
                  style: theme.textTheme.bodySmall?.copyWith(
                    color: theme.colorScheme.onErrorContainer,
                    fontFamily: 'monospace',
                  ),
                ),
              )
            else if (_tickets == null)
              Text(
                AppStrings.ticketsNotLoaded,
                style: theme.textTheme.bodySmall?.copyWith(
                  color: theme.colorScheme.onSurfaceVariant,
                ),
              )
            else if (_tickets!.isEmpty)
              Text(
                AppStrings.noTickets,
                style: theme.textTheme.bodySmall?.copyWith(
                  color: theme.colorScheme.onSurfaceVariant,
                ),
              )
            else
              ..._tickets!.map((t) => _ticketRow(theme, t)),
          ],
        ),
      ),
    );
  }

  Widget _ticketRow(ThemeData theme, Map<String, dynamic> ticket) {
    final chargeId = (ticket['chargeId'] as num?)?.toInt() ?? 0;
    final stock = (ticket['stock'] as num?)?.toInt() ?? 0;
    final validDate = ticket['validDate'] as String? ?? '-';
    final name = _ticketName(chargeId);
    final isSelected = _selectedTicketId == chargeId;

    return InkWell(
      borderRadius: BorderRadius.circular(8),
      onTap: _running
          ? null
          : () {
              setState(() {
                _selectedTicketId = isSelected ? null : chargeId;
              });
            },
      child: AnimatedContainer(
        duration: const Duration(milliseconds: 200),
        padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 8),
        decoration: BoxDecoration(
          color: isSelected
              ? theme.colorScheme.primaryContainer.withValues(alpha: 0.5)
              : null,
          borderRadius: BorderRadius.circular(8),
        ),
        child: Row(
          children: [
            Container(
              width: 28,
              height: 28,
              decoration: BoxDecoration(
                color: isSelected
                    ? theme.colorScheme.primary
                    : theme.colorScheme.primaryContainer,
                borderRadius: BorderRadius.circular(6),
              ),
              alignment: Alignment.center,
              child: Text(
                '$chargeId',
                style: theme.textTheme.labelSmall?.copyWith(
                  color: isSelected
                      ? theme.colorScheme.onPrimary
                      : theme.colorScheme.onPrimaryContainer,
                  fontWeight: FontWeight.w600,
                ),
              ),
            ),
            const SizedBox(width: 12),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    name,
                    style: theme.textTheme.bodyMedium?.copyWith(
                      fontWeight: isSelected ? FontWeight.w700 : FontWeight.w600,
                      color: isSelected ? theme.colorScheme.primary : null,
                    ),
                  ),
                  Text(
                    '有效期: $validDate',
                    style: theme.textTheme.labelSmall?.copyWith(
                      color: theme.colorScheme.onSurfaceVariant,
                    ),
                  ),
                ],
              ),
            ),
            if (isSelected)
              Icon(Icons.check_circle, size: 18, color: theme.colorScheme.primary)
            else
              Container(
                padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
                decoration: BoxDecoration(
                  color: stock > 0 ? Colors.green.withValues(alpha: 0.15) : Colors.grey.withValues(alpha: 0.15),
                  borderRadius: BorderRadius.circular(6),
                ),
                child: Text(
                  '剩余 $stock',
                  style: theme.textTheme.labelSmall?.copyWith(
                    color: stock > 0 ? Colors.green : Colors.grey,
                    fontWeight: FontWeight.w600,
                  ),
                ),
              ),
          ],
        ),
      ),
    );
  }

  Widget _buildMusicForm(ThemeData theme) {
    return Card(
      elevation: 0,
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(16),
        side: BorderSide(
          color: theme.colorScheme.outline.withValues(alpha: 0.3),
        ),
      ),
      child: Padding(
        padding: const EdgeInsets.all(20),
        child: Form(
          key: _formKey,
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                AppStrings.musicConfig,
                style: theme.textTheme.labelLarge?.copyWith(
                  color: theme.colorScheme.primary,
                  fontWeight: FontWeight.w600,
                ),
              ),
              const SizedBox(height: 14),
              _buildField(_musicIdController, AppStrings.musicId, theme),
              _buildField(_levelController, AppStrings.level, theme),
              _buildField(_achievementController, AppStrings.achievement, theme),
              _buildField(_comboStatusController, AppStrings.comboStatus, theme),
              _buildField(_syncStatusController, AppStrings.syncStatus, theme),
              _buildField(_deluxscoreMaxController, AppStrings.deluxscoreMax, theme),
              _buildField(_scoreRankController, AppStrings.scoreRank, theme),
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildField(
    TextEditingController controller,
    String label,
    ThemeData theme,
  ) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 4),
      child: Row(
        children: [
          SizedBox(
            width: 140,
            child: Text(
              label,
              style: theme.textTheme.bodySmall?.copyWith(
                color: theme.colorScheme.onSurfaceVariant,
              ),
            ),
          ),
          Expanded(
            child: TextFormField(
              controller: controller,
              enabled: !_running,
              style: theme.textTheme.bodyMedium,
              decoration: InputDecoration(
                isDense: true,
                contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
                border: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(8),
                ),
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildRunButton(ThemeData theme) {
    final selectedName = _selectedTicketId != null
        ? _ticketName(_selectedTicketId!)
        : null;

    return Column(
      children: [
        if (selectedName != null) ...[
          Container(
            width: double.infinity,
            padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
            decoration: BoxDecoration(
              color: theme.colorScheme.primaryContainer.withValues(alpha: 0.4),
              borderRadius: BorderRadius.circular(10),
            ),
            child: Text(
              '${AppStrings.selectedTicket}: $selectedName (ID: $_selectedTicketId)',
              style: theme.textTheme.bodySmall?.copyWith(
                color: theme.colorScheme.primary,
                fontWeight: FontWeight.w600,
              ),
            ),
          ),
          const SizedBox(height: 12),
        ],
        SizedBox(
          width: double.infinity,
          child: FilledButton.icon(
            onPressed: _running ? null : _runTicket,
            icon: _running
                ? const SizedBox(
                    width: 18,
                    height: 18,
                    child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white),
                  )
                : const Icon(Icons.play_arrow, size: 20),
            label: Text(_running ? AppStrings.runningTicket : AppStrings.runTicket),
            style: FilledButton.styleFrom(
              padding: const EdgeInsets.symmetric(vertical: 14),
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.circular(12),
              ),
            ),
          ),
        ),
      ],
    );
  }

  Widget _buildProgressCard(ThemeData theme) {
    final isFailed = _step == TicketStep.failed;
    final isDone = _step == TicketStep.complete;

    return Card(
      elevation: 0,
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(16),
        side: BorderSide(
          color: isFailed
              ? theme.colorScheme.error.withValues(alpha: 0.5)
              : isDone
                  ? Colors.green.withValues(alpha: 0.5)
                  : theme.colorScheme.outline.withValues(alpha: 0.3),
        ),
      ),
      child: Padding(
        padding: const EdgeInsets.all(20),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            _stepRow(TicketStep.checkPreview, AppStrings.stepCheckPreview, theme),
            _stepRow(TicketStep.userLogin, AppStrings.stepUserLogin, theme),
            _stepRow(TicketStep.fetchData, AppStrings.stepFetchData, theme),
            _stepRow(TicketStep.chargeTicket, AppStrings.stepChargeTicket, theme),
            _stepRow(TicketStep.uploadPlaylog, AppStrings.stepUploadPlaylog, theme),
            _stepRow(TicketStep.upsertAll, AppStrings.stepUpsertAll, theme),
            _stepRow(TicketStep.logout, AppStrings.stepLogout, theme),
            if (_stepMessage.isNotEmpty) ...[
              const SizedBox(height: 12),
              Container(
                width: double.infinity,
                padding: const EdgeInsets.all(10),
                decoration: BoxDecoration(
                  color: isFailed
                      ? theme.colorScheme.errorContainer
                      : isDone
                          ? Colors.green.withValues(alpha: 0.1)
                          : theme.colorScheme.surfaceContainerHighest,
                  borderRadius: BorderRadius.circular(8),
                ),
                child: Text(
                  _stepMessage,
                  style: theme.textTheme.bodySmall?.copyWith(
                    fontFamily: 'monospace',
                    color: isFailed
                        ? theme.colorScheme.onErrorContainer
                        : theme.colorScheme.onSurface,
                  ),
                ),
              ),
            ],
            if (_error != null) ...[
              const SizedBox(height: 12),
              Container(
                width: double.infinity,
                padding: const EdgeInsets.all(10),
                decoration: BoxDecoration(
                  color: theme.colorScheme.errorContainer,
                  borderRadius: BorderRadius.circular(8),
                ),
                child: Text(
                  _error!,
                  style: theme.textTheme.bodySmall?.copyWith(
                    color: theme.colorScheme.onErrorContainer,
                    fontFamily: 'monospace',
                  ),
                ),
              ),
            ],
            if (_rewards != null && _rewards!.isNotEmpty) ...[
              const SizedBox(height: 12),
              Container(
                width: double.infinity,
                padding: const EdgeInsets.all(10),
                decoration: BoxDecoration(
                  color: Colors.amber.withValues(alpha: 0.15),
                  borderRadius: BorderRadius.circular(8),
                ),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Text(
                      AppStrings.rewards,
                      style: theme.textTheme.labelSmall?.copyWith(
                        fontWeight: FontWeight.w600,
                        color: Colors.amber.shade700,
                      ),
                    ),
                    const SizedBox(height: 6),
                    ..._rewards!.map((r) {
                      final pointType = (r['pointType'] as num?)?.toInt() ?? 0;
                      final addPoint = (r['addPoint'] as num?)?.toInt() ?? 0;
                      return Text(
                        '  - pointType: $pointType, point: $addPoint',
                        style: theme.textTheme.bodySmall?.copyWith(
                          fontFamily: 'monospace',
                        ),
                      );
                    }),
                  ],
                ),
              ),
            ],
          ],
        ),
      ),
    );
  }

  Widget _stepRow(TicketStep step, String label, ThemeData theme) {
    IconData icon;
    Color? color;

    if (_step == TicketStep.failed && _step.index <= step.index) {
      icon = _step == step ? Icons.error : Icons.circle_outlined;
      color = _step == step ? theme.colorScheme.error : theme.colorScheme.onSurfaceVariant;
    } else if (_step.index > step.index) {
      icon = Icons.check_circle;
      color = Colors.green;
    } else if (_step == step) {
      icon = Icons.sync;
      color = theme.colorScheme.primary;
    } else {
      icon = Icons.circle_outlined;
      color = theme.colorScheme.onSurfaceVariant;
    }

    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 3),
      child: Row(
        children: [
          Icon(icon, size: 16, color: color),
          const SizedBox(width: 10),
          Text(
            label,
            style: theme.textTheme.bodySmall?.copyWith(
              color: _step.index >= step.index
                  ? theme.colorScheme.onSurface
                  : theme.colorScheme.onSurfaceVariant,
              fontWeight: _step == step ? FontWeight.w600 : FontWeight.normal,
            ),
          ),
        ],
      ),
    );
  }
}