import 'dart:convert';
import 'dart:io';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../core/navigation_provider.dart';
import '../../core/app_colors.dart';
import '../../core/app_theme.dart';
import '../../providers/auth_provider.dart';
import '../../utils/sse_handler.dart';

final dietProvider = NotifierProvider<DietNotifier, DietState>(
  DietNotifier.new,
);

class DietState {
  final String? imagePath;
  final List<FoodItem> foods;
  final String mealType;
  final bool isAnalyzing;
  final int? healthScore;
  final String? errorMessage;
  final String? commentary;

  DietState({
    this.imagePath,
    this.foods = const [],
    this.mealType = 'lunch',
    this.isAnalyzing = false,
    this.healthScore,
    this.errorMessage,
    this.commentary,
  });

  DietState copyWith({
    String? imagePath,
    List<FoodItem>? foods,
    String? mealType,
    bool? isAnalyzing,
    int? healthScore,
    String? errorMessage,
    String? commentary,
  }) {
    return DietState(
      imagePath: imagePath ?? this.imagePath,
      foods: foods ?? this.foods,
      mealType: mealType ?? this.mealType,
      isAnalyzing: isAnalyzing ?? this.isAnalyzing,
      healthScore: healthScore ?? this.healthScore,
      errorMessage: errorMessage ?? this.errorMessage,
      commentary: commentary ?? this.commentary,
    );
  }
}

class FoodItem {
  final String id;
  String name;
  String portion;
  int calories;
  bool selected;

  FoodItem({
    required this.id,
    required this.name,
    required this.portion,
    required this.calories,
    this.selected = true,
  });
}

class DietNotifier extends Notifier<DietState> {
  @override
  DietState build() => DietState();

  void setImage(String path) {
    state = state.copyWith(imagePath: path);
  }

  Future<void> analyzeImage() async {
    state = state.copyWith(isAnalyzing: true, errorMessage: null);
    try {
      final api = ref.read(apiClientProvider);
      final path = state.imagePath!;
      final imageFile = File(path);
      final formData = FormData.fromMap({
        'images': await MultipartFile.fromFile(
          imageFile.path,
          filename: imageFile.path.split('/').last,
        ),
      });
      final res = await api.dio.post(
        '/api/ai/analyze-food-image',
        data: formData,
      );
      final data = res.data;
      if (data['code'] != 0) {
        state = state.copyWith(
          isAnalyzing: false,
          errorMessage: data['message'] ?? '识别失败',
        );
        return;
      }
      final raw = data['data'] as String? ?? '[]';
      final foods = _parseFoodItems(raw);
      state = state.copyWith(
        foods: foods,
        isAnalyzing: false,
        healthScore: foods.isNotEmpty ? 3 : null,
      );
      if (foods.isNotEmpty) _fetchCommentary(foods);
    } catch (e) {
      state = state.copyWith(isAnalyzing: false, errorMessage: '识别失败，请重试');
    }
  }

  Future<void> _fetchCommentary(List<FoodItem> foods) async {
    try {
      final api = ref.read(apiClientProvider);
      final token = await api.accessToken;
      if (token == null) return;
      final names = foods
          .map((f) => '${f.name}(${f.portion},${f.calories}kcal)')
          .join('、');
      final stream = SseHandler.connect(
        agentType: 'default',
        message: '我刚才吃了这些：$names。请结合我的健康档案，给我简短的饮食评价和建议（50字以内）。',
        token: token,
      );
      String text = '';
      await for (final event in stream) {
        if (event['action'] == 'answer')
          text += (event['data'] as String?) ?? '';
        if (event['action'] == 'status') {
          if (text.isNotEmpty) state = state.copyWith(commentary: text.trim());
        }
      }
    } catch (e) {
      debugPrint('[Diet] 获取饮食点评失败: $e');
    }
  }

  List<FoodItem> _parseFoodItems(String raw) {
    var json = raw.trim();
    if (json.startsWith('```')) {
      final start = json.indexOf('\n');
      if (start != -1) json = json.substring(start + 1);
      final end = json.lastIndexOf('```');
      if (end != -1) json = json.substring(0, end);
      json = json.trim();
    }
    try {
      final list = jsonDecode(json) as List;
      return list.asMap().entries.map((e) {
        final item = e.value as Map<String, dynamic>;
        return FoodItem(
          id: 'food_${DateTime.now().millisecondsSinceEpoch}_${e.key}',
          name: item['name']?.toString() ?? '未知食物',
          portion: item['portion']?.toString() ?? '',
          calories: (item['calories'] as num?)?.toInt() ?? 0,
          selected: true,
        );
      }).toList();
    } catch (_) {
      return [
        FoodItem(
          id: 'food_${DateTime.now().millisecondsSinceEpoch}',
          name: '识别结果（手动编辑）',
          portion: raw.length > 50 ? raw.substring(0, 50) : raw,
          calories: 0,
          selected: true,
        ),
      ];
    }
  }

  void updateFoodName(String id, String name) {
    final foods = state.foods
        .map(
          (f) => f.id == id
              ? FoodItem(
                  id: f.id,
                  name: name,
                  portion: f.portion,
                  calories: f.calories,
                  selected: f.selected,
                )
              : f,
        )
        .toList();
    state = state.copyWith(foods: foods);
  }

  void updateFoodPortion(String id, String portion) {
    final foods = state.foods
        .map(
          (f) => f.id == id
              ? FoodItem(
                  id: f.id,
                  name: f.name,
                  portion: portion,
                  calories: f.calories,
                  selected: f.selected,
                )
              : f,
        )
        .toList();
    state = state.copyWith(foods: foods);
  }

  void updateFoodCalories(String id, int calories) {
    final foods = state.foods
        .map(
          (f) => f.id == id
              ? FoodItem(
                  id: f.id,
                  name: f.name,
                  portion: f.portion,
                  calories: calories,
                  selected: f.selected,
                )
              : f,
        )
        .toList();
    state = state.copyWith(foods: foods);
  }

  void toggleFood(String id) {
    final foods = state.foods
        .map(
          (f) => f.id == id
              ? FoodItem(
                  id: f.id,
                  name: f.name,
                  portion: f.portion,
                  calories: f.calories,
                  selected: !f.selected,
                )
              : f,
        )
        .toList();
    state = state.copyWith(foods: foods);
  }

  void addFood() {
    final newId = '${DateTime.now().millisecondsSinceEpoch}';
    state = state.copyWith(
      foods: [
        ...state.foods,
        FoodItem(id: newId, name: '新食物', portion: '', calories: 100),
      ],
    );
  }

  void removeFood(String id) {
    state = state.copyWith(
      foods: state.foods.where((f) => f.id != id).toList(),
    );
  }

  void setMealType(String type) {
    state = state.copyWith(mealType: type);
  }

  void reset() {
    state = DietState();
  }

  Future<void> saveRecord() async {
    final selectedFoods = state.foods.where((f) => f.selected).toList();
    if (selectedFoods.isEmpty) return;
    final api = ref.read(apiClientProvider);
    final mealMap = {
      'breakfast': 'Breakfast',
      'lunch': 'Lunch',
      'dinner': 'Dinner',
      'snack': 'Snack',
    };
    final totalCal = selectedFoods.fold<int>(0, (s, f) => s + f.calories);
    await api.post(
      '/api/diet-records',
      data: {
        'mealType': mealMap[state.mealType] ?? 'Lunch',
        'totalCalories': totalCal,
        'healthScore': state.healthScore ?? 3,
        'recordedAt': DateTime.now().toIso8601String().substring(0, 10),
        'foodItems': selectedFoods
            .asMap()
            .entries
            .map(
              (e) => {
                'name': e.value.name,
                'portion': e.value.portion,
                'calories': e.value.calories,
                'sortOrder': e.key,
              },
            )
            .toList(),
      },
    );
  }
}

// ─────────── 饮食主题色（暖橙系，不再用紫色）───────────
const _dietAccent = Color(0xFFF97316);
const _dietAccentLight = Color(0xFFFFF3E0);
const _dietKcalText = Color(0xFF9A3412);
const _dietGradient = LinearGradient(
  begin: Alignment.topLeft,
  end: Alignment.bottomRight,
  colors: [Color(0xFFF6D365), Color(0xFFFDA085)],
);

class DietCapturePage extends ConsumerStatefulWidget {
  const DietCapturePage({super.key});
  @override
  ConsumerState<DietCapturePage> createState() => _DietCapturePageState();
}

class _DietCapturePageState extends ConsumerState<DietCapturePage> {
  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    final state = ref.watch(dietProvider);
    return GradientScaffold(
      appBar: AppBar(
        backgroundColor: Colors.white.withValues(alpha: 0.9),
        title: const Text(
          '饮食分析',
          style: TextStyle(fontSize: 20, fontWeight: FontWeight.w600),
        ),
        centerTitle: true,
      ),
      body: state.imagePath == null
          ? const Center(
              child: Text(
                '请从首页拍摄或选择食物照片',
                style: TextStyle(color: AppColors.textSecondary, fontSize: 16),
              ),
            )
          : _buildResultView(context, ref),
    );
  }

  Widget _buildResultView(BuildContext context, WidgetRef ref) {
    final state = ref.watch(dietProvider);
    final screenW = MediaQuery.of(context).size.width;

    return Container(
      decoration: const BoxDecoration(gradient: AppColors.bgGradient),
      child: SingleChildScrollView(
        padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
        child: Column(
          children: [
            // 图片自适应显示
            Container(
              padding: const EdgeInsets.all(8),
              decoration: BoxDecoration(
                color: Colors.white,
                borderRadius: BorderRadius.circular(24),
                border: Border.all(color: AppColors.borderLight),
                boxShadow: AppColors.cardShadowLight,
              ),
              child: ClipRRect(
                borderRadius: BorderRadius.circular(18),
                child: Image.file(
                  File(state.imagePath!),
                  width: screenW - 48,
                  height: 220,
                  fit: BoxFit.cover,
                ),
              ),
            ),
            const SizedBox(height: 16),
            _buildMealSelector(ref),
            const SizedBox(height: 16),
            if (state.isAnalyzing)
              _buildAnalyzing(state)
            else ...[
              if (state.foods.isNotEmpty) ...[
                _buildFoodList(ref),
                const SizedBox(height: 16),
                _buildNutritionCard(ref),
                if (state.commentary != null &&
                    state.commentary!.isNotEmpty) ...[
                  const SizedBox(height: 16),
                  _buildAiCommentary(state.commentary!),
                ],
              ],
              const SizedBox(height: 20),
              _buildSaveButton(),
            ],
          ],
        ),
      ),
    );
  }

  // ─────────── 餐次选择器 ───────────
  Widget _buildMealSelector(WidgetRef ref) {
    final state = ref.watch(dietProvider);
    final meals = [
      ('🌅', '早餐', 'breakfast'),
      ('☀️', '午餐', 'lunch'),
      ('🌙', '晚餐', 'dinner'),
      ('🍪', '加餐', 'snack'),
    ];
    return Container(
      padding: const EdgeInsets.all(6),
      decoration: BoxDecoration(
        color: Colors.white.withValues(alpha: 0.92),
        borderRadius: BorderRadius.circular(20),
        border: Border.all(color: Colors.white, width: 1.4),
        boxShadow: AppColors.cardShadowLight,
      ),
      child: Row(
        children: meals.map((m) {
          final sel = state.mealType == m.$3;
          return Expanded(
            child: GestureDetector(
              onTap: () => ref.read(dietProvider.notifier).setMealType(m.$3),
              child: AnimatedContainer(
                duration: const Duration(milliseconds: 200),
                curve: Curves.easeOutCubic,
                margin: const EdgeInsets.symmetric(horizontal: 2),
                padding: const EdgeInsets.symmetric(vertical: 11),
                decoration: BoxDecoration(
                  gradient: sel ? _dietGradient : null,
                  color: sel ? null : const Color(0xFFFFFBF6),
                  borderRadius: BorderRadius.circular(16),
                  border: Border.all(
                    color: sel ? Colors.transparent : const Color(0xFFFFE4CA),
                  ),
                ),
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    const SizedBox.shrink(),
                    const SizedBox(height: 0),
                    Text(
                      m.$2,
                      style: TextStyle(
                        fontSize: 15,
                        fontWeight: FontWeight.w900,
                        color: sel ? Colors.white : _dietKcalText,
                      ),
                    ),
                  ],
                ),
              ),
            ),
          );
        }).toList(),
      ),
    );
  }

  // ─────────── 分析中 ───────────
  Widget _buildAnalyzing(DietState state) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 40),
      child: Column(
        children: [
          const SizedBox(
            width: 48,
            height: 48,
            child: CircularProgressIndicator(
              strokeWidth: 3,
              color: _dietAccent,
            ),
          ),
          const SizedBox(height: 16),
          const Text(
            '正在识别食物...',
            style: TextStyle(fontSize: 16, color: AppColors.textSecondary),
          ),
          if (state.errorMessage != null) ...[
            const SizedBox(height: 8),
            Text(
              state.errorMessage!,
              style: const TextStyle(fontSize: 14, color: AppColors.error),
              textAlign: TextAlign.center,
            ),
          ],
        ],
      ),
    );
  }

  // ─────────── 食物列表 ───────────
  Widget _buildFoodList(WidgetRef ref) {
    final state = ref.watch(dietProvider);
    final totalCal = state.foods
        .where((f) => f.selected)
        .fold(0, (s, f) => s + f.calories);
    return Container(
      padding: const EdgeInsets.all(14),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(16),
        border: Border.all(color: AppColors.border),
        boxShadow: AppColors.cardShadowLight,
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Row(
            children: [
              Container(
                width: 4,
                height: 16,
                decoration: BoxDecoration(
                  color: _dietAccent,
                  borderRadius: BorderRadius.circular(2),
                ),
              ),
              const SizedBox(width: 8),
              const Text(
                '识别结果',
                style: TextStyle(
                  fontSize: 16,
                  fontWeight: FontWeight.w600,
                  color: AppColors.textPrimary,
                ),
              ),
              const Spacer(),
              Container(
                padding: const EdgeInsets.symmetric(
                  horizontal: 10,
                  vertical: 4,
                ),
                decoration: BoxDecoration(
                  color: const Color(0xFFFFF3D8),
                  borderRadius: BorderRadius.circular(8),
                ),
                child: Text(
                  '共 $totalCal kcal',
                  style: const TextStyle(
                    fontSize: 15,
                    fontWeight: FontWeight.w600,
                    color: _dietKcalText,
                  ),
                ),
              ),
            ],
          ),
          const SizedBox(height: 10),
          ...state.foods.map((food) => _foodItemTile(ref, food)),
          const SizedBox(height: 4),
          Center(
            child: TextButton.icon(
              onPressed: () => ref.read(dietProvider.notifier).addFood(),
              icon: const Icon(
                Icons.add_circle_outline,
                size: 20,
                color: _dietAccent,
              ),
              label: const Text(
                '添加食物',
                style: TextStyle(fontSize: 15, color: _dietAccent),
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _foodItemTile(WidgetRef ref, FoodItem food) {
    return Container(
      margin: const EdgeInsets.only(bottom: 8),
      padding: const EdgeInsets.all(10),
      decoration: BoxDecoration(
        color: AppColors.background,
        borderRadius: BorderRadius.circular(12),
        border: Border.all(
          color: food.selected
              ? _dietAccent.withAlpha(60)
              : AppColors.borderLight,
        ),
      ),
      child: Row(
        children: [
          GestureDetector(
            onTap: () => ref.read(dietProvider.notifier).toggleFood(food.id),
            child: Container(
              width: 22,
              height: 22,
              decoration: BoxDecoration(
                shape: BoxShape.circle,
                color: food.selected ? _dietAccent : Colors.white,
                border: Border.all(
                  color: food.selected ? _dietAccent : AppColors.border,
                  width: 2,
                ),
              ),
              child: food.selected
                  ? const Icon(Icons.check, size: 14, color: Colors.white)
                  : null,
            ),
          ),
          const SizedBox(width: 10),
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                _compactField(
                  food.name,
                  (v) => ref
                      .read(dietProvider.notifier)
                      .updateFoodName(food.id, v),
                  fieldKey: '${food.id}_name',
                  style: const TextStyle(
                    fontSize: 17,
                    fontWeight: FontWeight.w600,
                  ),
                ),
                const SizedBox(height: 4),
                Row(
                  children: [
                    Expanded(
                      flex: 3,
                      child: _compactField(
                        food.portion,
                        (v) => ref
                            .read(dietProvider.notifier)
                            .updateFoodPortion(food.id, v),
                        fieldKey: '${food.id}_portion',
                        hint: '份量',
                        style: const TextStyle(
                          fontSize: 14,
                          color: AppColors.textSecondary,
                        ),
                      ),
                    ),
                    const SizedBox(width: 8),
                    Expanded(
                      flex: 2,
                      child: Row(
                        children: [
                          Expanded(
                            child: _compactField(
                              food.calories.toString(),
                              (v) => ref
                                  .read(dietProvider.notifier)
                                  .updateFoodCalories(
                                    food.id,
                                    int.tryParse(v) ?? 0,
                                  ),
                              fieldKey: '${food.id}_cal',
                              hint: '0',
                              style: const TextStyle(
                                fontSize: 14,
                                fontWeight: FontWeight.w600,
                                color: _dietKcalText,
                              ),
                              align: TextAlign.right,
                              keyboardType: TextInputType.number,
                            ),
                          ),
                          const SizedBox(width: 2),
                          const Text(
                            'kcal',
                            style: TextStyle(
                              fontSize: 13,
                              color: Color(0xFFB45309),
                            ),
                          ),
                        ],
                      ),
                    ),
                  ],
                ),
              ],
            ),
          ),
          GestureDetector(
            onTap: () => ref.read(dietProvider.notifier).removeFood(food.id),
            child: const Icon(Icons.close, size: 18, color: AppColors.textHint),
          ),
        ],
      ),
    );
  }

  final Map<String, TextEditingController> _fieldCtrls = {};

  TextEditingController _ctrlFor(String key, String value) {
    if (_fieldCtrls.containsKey(key)) return _fieldCtrls[key]!;
    final c = TextEditingController(text: value);
    _fieldCtrls[key] = c;
    return c;
  }

  Widget _compactField(
    String value,
    ValueChanged<String> cb, {
    required String fieldKey,
    String? hint,
    TextStyle? style,
    TextAlign align = TextAlign.start,
    TextInputType? keyboardType,
  }) {
    return TextField(
      controller: _ctrlFor(fieldKey, value),
      onChanged: cb,
      keyboardType: keyboardType,
      textAlign: align,
      style: style ?? const TextStyle(fontSize: 15),
      decoration: InputDecoration(
        isDense: true,
        contentPadding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
        filled: true,
        fillColor: Colors.white,
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(8),
          borderSide: const BorderSide(color: AppColors.borderLight),
        ),
        enabledBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(8),
          borderSide: const BorderSide(color: AppColors.borderLight),
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(8),
          borderSide: const BorderSide(color: _dietAccent),
        ),
        hintText: hint,
        hintStyle: const TextStyle(fontSize: 14, color: AppColors.textHint),
      ),
    );
  }

  // ─────────── 营养摘要 ───────────
  Widget _buildNutritionCard(WidgetRef ref) {
    final state = ref.watch(dietProvider);
    final totalCal = state.foods
        .where((f) => f.selected)
        .fold(0, (s, f) => s + f.calories);
    return Container(
      padding: const EdgeInsets.all(18),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(16),
        border: Border.all(color: AppColors.border),
        boxShadow: AppColors.cardShadowLight,
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          const Text(
            '本餐热量',
            style: TextStyle(
              fontSize: 16,
              fontWeight: FontWeight.w800,
              color: AppColors.textPrimary,
            ),
          ),
          const SizedBox(height: 14),
          Row(
            children: [
              SizedBox(
                width: 56,
                height: 56,
                child: Stack(
                  alignment: Alignment.center,
                  children: [
                    SizedBox(
                      width: 56,
                      height: 56,
                      child: CircularProgressIndicator(
                        value: (totalCal / 700).clamp(0.0, 1.0),
                        strokeWidth: 4,
                        backgroundColor: AppColors.borderLight,
                        color: _dietAccent,
                      ),
                    ),
                    Column(
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        Text(
                          '$totalCal',
                          style: const TextStyle(
                            fontSize: 16,
                            fontWeight: FontWeight.w800,
                            color: _dietAccent,
                          ),
                        ),
                        const Text(
                          'kcal',
                          style: TextStyle(
                            fontSize: 12,
                            color: AppColors.textSecondary,
                          ),
                        ),
                      ],
                    ),
                  ],
                ),
              ),
              const SizedBox(width: 16),
              Expanded(
                child: Row(
                  children: [
                    _macro('碳水', 0.55, const Color(0xFFF5A623)),
                    const SizedBox(width: 8),
                    _macro('蛋白', 0.25, const Color(0xFF4A90D9)),
                    const SizedBox(width: 8),
                    _macro('脂肪', 0.20, const Color(0xFFE8686A)),
                  ],
                ),
              ),
            ],
          ),
        ],
      ),
    );
  }

  Widget _macro(String label, double ratio, Color color) {
    return Expanded(
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Row(
            children: [
              Container(
                width: 6,
                height: 6,
                decoration: BoxDecoration(color: color, shape: BoxShape.circle),
              ),
              const SizedBox(width: 4),
              Text(
                label,
                style: const TextStyle(
                  fontSize: 12,
                  color: AppColors.textSecondary,
                ),
              ),
            ],
          ),
          const SizedBox(height: 3),
          ClipRRect(
            borderRadius: BorderRadius.circular(2),
            child: LinearProgressIndicator(
              value: ratio,
              minHeight: 4,
              backgroundColor: AppColors.borderLight,
              color: color,
            ),
          ),
        ],
      ),
    );
  }

  // ─────────── AI 点评 ───────────
  Widget _buildAiCommentary(String text) {
    return Container(
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
        color: const Color(0xFFFFFBF5),
        borderRadius: BorderRadius.circular(16),
        border: Border.all(color: AppColors.border),
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          const Text(
            'AI建议',
            style: TextStyle(
              fontSize: 16,
              fontWeight: FontWeight.w800,
              color: AppColors.textPrimary,
            ),
          ),
          const SizedBox(height: 12),
          Row(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Container(
                width: 36,
                height: 36,
                decoration: BoxDecoration(
                  color: _dietAccentLight,
                  borderRadius: BorderRadius.circular(10),
                ),
                child: const Icon(
                  Icons.auto_awesome,
                  size: 20,
                  color: _dietAccent,
                ),
              ),
              const SizedBox(width: 12),
              Expanded(
                child: Text(
                  text,
                  style: const TextStyle(
                    fontSize: 16,
                    color: AppColors.textPrimary,
                    height: 1.6,
                  ),
                ),
              ),
            ],
          ),
        ],
      ),
    );
  }

  // ─────────── 保存按钮 ───────────
  Widget _buildSaveButton() {
    return Container(
      width: double.infinity,
      height: 52,
      decoration: BoxDecoration(
        gradient: _dietGradient,
        borderRadius: BorderRadius.circular(16),
        boxShadow: [
          BoxShadow(
            color: _dietAccent.withValues(alpha: 0.24),
            blurRadius: 16,
            offset: const Offset(0, 8),
          ),
        ],
      ),
      child: Material(
        color: Colors.transparent,
        child: InkWell(
          borderRadius: BorderRadius.circular(16),
          onTap: () async {
            try {
              await ref.read(dietProvider.notifier).saveRecord();
              if (mounted) popRoute(ref);
            } catch (e) {
              debugPrint('[Diet] 保存记录失败: $e');
            }
          },
          child: const Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Icon(Icons.check_circle_outline, size: 22, color: Colors.white),
              SizedBox(width: 8),
              Text(
                '保存记录',
                style: TextStyle(
                  fontSize: 17,
                  fontWeight: FontWeight.w800,
                  color: Colors.white,
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}