import { Ionicons } from '@expo/vector-icons';
import dayjs from 'dayjs';
import { LinearGradient } from 'expo-linear-gradient';
import { router } from 'expo-router';
import React, { useEffect, useState } from 'react';
import {
  ActivityIndicator,
  Animated,
  Modal,
  Pressable,
  ScrollView,
  StyleSheet,
  Text,
  TouchableOpacity,
  View
} from 'react-native';

import { HeaderBar } from '@/components/ui/HeaderBar';
import { Colors } from '@/constants/Colors';
import { useColorScheme } from '@/hooks/useColorScheme';
import {
  fetchSleepDetailForDate,
  formatSleepTime,
  formatTime,
  getSleepStageColor,
  SleepDetailData,
  SleepStage
} from '@/services/sleepService';
import { ensureHealthPermissions } from '@/utils/health';


// 简化的睡眠阶段图表组件
const SleepStageChart = ({
  sleepData,
  onInfoPress
}: {
  sleepData: SleepDetailData;
  onInfoPress: () => void;
}) => {
  const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
  const colorTokens = Colors[theme];

  // 使用真实的睡眠阶段数据，如果没有则使用默认数据
  const stages = sleepData.sleepStages.length > 0
    ? sleepData.sleepStages
        .filter(stage => stage.percentage > 0) // 只显示有数据的阶段
        .map(stage => ({
          stage: stage.stage,
          percentage: stage.percentage,
          duration: stage.duration
        }))
    : [
      { stage: SleepStage.Awake, percentage: 1, duration: 3 },
      { stage: SleepStage.REM, percentage: 20, duration: 89 },
      { stage: SleepStage.Core, percentage: 67, duration: 295 },
      { stage: SleepStage.Deep, percentage: 12, duration: 51 }
    ];

  return (
    <View style={styles.simplifiedChartContainer}>
      <View style={styles.chartTitleContainer}>
        <Text style={styles.chartTitle}>睡眠阶段分析</Text>
        <TouchableOpacity
          style={styles.chartInfoButton}
          onPress={onInfoPress}
        >
          <Ionicons name="help-circle-outline" size={20} color="#6B7280" />
        </TouchableOpacity>
      </View>

      {/* 入睡时间和起床时间显示 */}
      <View style={styles.sleepTimeLabels}>
        <View style={styles.sleepTimeLabel}>
          <Text style={[styles.sleepTimeText, { color: colorTokens.textSecondary }]}>
            入睡时间
          </Text>
          <Text style={[styles.sleepTimeValue, { color: colorTokens.text }]}>
            {sleepData.bedtime ? formatTime(sleepData.bedtime) : '23:15'}
          </Text>
        </View>
        <View style={styles.sleepTimeLabel}>
          <Text style={[styles.sleepTimeText, { color: colorTokens.textSecondary }]}>
            起床时间
          </Text>
          <Text style={[styles.sleepTimeValue, { color: colorTokens.text }]}>
            {sleepData.wakeupTime ? formatTime(sleepData.wakeupTime) : '06:52'}
          </Text>
        </View>
      </View>

      {/* 简化的睡眠阶段条 */}
      <View style={styles.simplifiedChartBar}>
        {stages.map((stageData, index) => {
          const color = getSleepStageColor(stageData.stage);
          return (
            <View
              key={index}
              style={[
                styles.stageSegment,
                {
                  backgroundColor: color,
                  flex: stageData.percentage || 1,
                }
              ]}
            />
          );
        })}
      </View>

      {/* 图例 */}
      <View style={styles.chartLegend}>
        <View style={styles.legendRow}>
          <View style={styles.legendItem}>
            <View style={[styles.legendDot, { backgroundColor: getSleepStageColor(SleepStage.Awake) }]} />
            <Text style={styles.legendText}>清醒时间</Text>
          </View>
          <View style={styles.legendItem}>
            <View style={[styles.legendDot, { backgroundColor: getSleepStageColor(SleepStage.REM) }]} />
            <Text style={styles.legendText}>快速眼动</Text>
          </View>
        </View>
        <View style={styles.legendRow}>
          <View style={styles.legendItem}>
            <View style={[styles.legendDot, { backgroundColor: getSleepStageColor(SleepStage.Core) }]} />
            <Text style={styles.legendText}>核心睡眠</Text>
          </View>
          <View style={styles.legendItem}>
            <View style={[styles.legendDot, { backgroundColor: getSleepStageColor(SleepStage.Deep) }]} />
            <Text style={styles.legendText}>深度睡眠</Text>
          </View>
        </View>
      </View>
    </View>
  );
};

// Sleep Grade Component 睡眠等级组件
const SleepGradeCard = ({
  icon,
  grade,
  range,
  isActive = false
}: {
  icon: string;
  grade: string;
  range: string;
  isActive?: boolean;
}) => {
  const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
  const colorTokens = Colors[theme];

  const getGradeColor = (grade: string) => {
    switch (grade) {
      case '低': case '较差': return { bg: '#FECACA', text: '#DC2626' };
      case '正常': case '一般': return { bg: '#D1FAE5', text: '#065F46' };
      case '良好': return { bg: '#D1FAE5', text: '#065F46' };
      case '优秀': return { bg: '#FEF3C7', text: '#92400E' };
      default: return { bg: colorTokens.pageBackgroundEmphasis, text: colorTokens.textSecondary };
    }
  };

  const colors = getGradeColor(grade);

  return (
    <View style={[
      styles.gradeCard,
      {
        backgroundColor: isActive ? colors.bg : colorTokens.pageBackgroundEmphasis,
        borderColor: isActive ? colors.text : 'transparent',
      }
    ]}>
      <View style={styles.gradeCardLeft}>
        <Ionicons name={icon as any} size={16} color={colors.text} />
        <Text style={[
          styles.gradeText,
          { color: isActive ? colors.text : colorTokens.textSecondary }
        ]}>
          {grade}
        </Text>
      </View>
      <Text style={[
        styles.gradeRange,
        { color: isActive ? colors.text : colorTokens.textSecondary }
      ]}>
        {range}
      </Text>
    </View>
  );
};

// Sleep Stages Info Modal 组件
const SleepStagesInfoModal = ({
  visible,
  onClose
}: {
  visible: boolean;
  onClose: () => void;
}) => {
  const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
  const colorTokens = Colors[theme];
  const slideAnim = useState(new Animated.Value(0))[0];

  React.useEffect(() => {
    if (visible) {
      slideAnim.setValue(0);
      Animated.spring(slideAnim, {
        toValue: 1,
        useNativeDriver: true,
        tension: 100,
        friction: 8,
      }).start();
    } else {
      Animated.spring(slideAnim, {
        toValue: 0,
        useNativeDriver: true,
        tension: 100,
        friction: 8,
      }).start();
    }
  }, [visible]);

  const translateY = slideAnim.interpolate({
    inputRange: [0, 1],
    outputRange: [300, 0],
  });

  const opacity = slideAnim.interpolate({
    inputRange: [0, 1],
    outputRange: [0, 1],
  });

  return (
    <Modal
      transparent
      visible={visible}
      animationType="none"
      onRequestClose={onClose}
    >
      <View style={styles.modalOverlay}>
        <Pressable
          style={StyleSheet.absoluteFillObject}
          onPress={onClose}
        />
        <Animated.View
          style={[
            styles.sleepStagesModalContent,
            {
              backgroundColor: colorTokens.background,
              transform: [{ translateY }],
              opacity,
            }
          ]}
        >
          <View style={styles.sleepStagesModalInner}>
            <View style={styles.modalHandle} />

            <View style={styles.sleepStagesModalHeader}>
              <Text style={[styles.sleepStagesModalTitle, { color: colorTokens.text }]}>
                了解你的睡眠阶段
              </Text>
              <TouchableOpacity onPress={onClose} style={styles.infoModalCloseButton}>
                <Ionicons name="close" size={24} color={colorTokens.textSecondary} />
              </TouchableOpacity>
            </View>

            <ScrollView
              style={styles.sleepStagesScrollView}
              contentContainerStyle={styles.sleepStagesScrollContent}
              showsVerticalScrollIndicator={false}
              bounces={true}
              scrollEnabled={true}
            >
              <Text style={[styles.sleepStagesDescription, { color: colorTokens.textSecondary }]}>
                人们对睡眠阶段和睡眠质量有许多误解。有些人可能需要更多深度睡眠，其他人则不然。科学家和医生仍在探索不同睡眠阶段的作用及其对身体的影响。通过跟踪睡眠阶段并留意每天清晨的感受，你或许能深入了解自己的睡眠。
              </Text>

              {/* 清醒时间 */}
              <View style={styles.sleepStageInfoCard}>
                <View style={[styles.sleepStageInfoHeader, { borderBottomColor: colorTokens.border }]}>
                  <View style={styles.sleepStageInfoTitleContainer}>
                    <View style={[styles.sleepStageDot, { backgroundColor: '#F59E0B' }]} />
                    <Text style={[styles.sleepStageInfoTitle, { color: colorTokens.text }]}>清醒时间</Text>
                  </View>
                </View>
                <Text style={[styles.sleepStageInfoContent, { color: colorTokens.textSecondary }]}>
                  一次睡眠期间，你可能会醒来几次。偶尔醒来很正常。可能你会立刻再次入睡，并不记得曾在夜间醒来。
                </Text>
              </View>

              {/* 快速动眼睡眠 */}
              <View style={styles.sleepStageInfoCard}>
                <View style={[styles.sleepStageInfoHeader, { borderBottomColor: colorTokens.border }]}>
                  <View style={styles.sleepStageInfoTitleContainer}>
                    <View style={[styles.sleepStageDot, { backgroundColor: '#EC4899' }]} />
                    <Text style={[styles.sleepStageInfoTitle, { color: colorTokens.text }]}>快速动眼睡眠</Text>
                  </View>
                </View>
                <Text style={[styles.sleepStageInfoContent, { color: colorTokens.textSecondary }]}>
                  这一睡眠阶段可能对学习和记忆产生一定影响。在此阶段，你的肌肉最为放松，眼球也会快速左右移动。这也是你大多数梦境出现的阶段。
                </Text>
              </View>

              {/* 核心睡眠 */}
              <View style={styles.sleepStageInfoCard}>
                <View style={[styles.sleepStageInfoHeader, { borderBottomColor: colorTokens.border }]}>
                  <View style={styles.sleepStageInfoTitleContainer}>
                    <View style={[styles.sleepStageDot, { backgroundColor: '#8B5CF6' }]} />
                    <Text style={[styles.sleepStageInfoTitle, { color: colorTokens.text }]}>核心睡眠</Text>
                  </View>
                </View>
                <Text style={[styles.sleepStageInfoContent, { color: colorTokens.textSecondary }]}>
                  这一阶段有时也称为浅睡期，与其他阶段一样重要。此阶段通常占据你每晚大部分的睡眠时间。对于认知至关重要的脑电波会在这一阶段产生。
                </Text>
              </View>

              {/* 深度睡眠 */}
              <View style={styles.sleepStageInfoCard}>
                <View style={[styles.sleepStageInfoHeader, { borderBottomColor: colorTokens.border }]}>
                  <View style={styles.sleepStageInfoTitleContainer}>
                    <View style={[styles.sleepStageDot, { backgroundColor: '#3B82F6' }]} />
                    <Text style={[styles.sleepStageInfoTitle, { color: colorTokens.text }]}>深度睡眠</Text>
                  </View>
                </View>
                <Text style={[styles.sleepStageInfoContent, { color: colorTokens.textSecondary }]}>
                  因为脑电波的特征，这一阶段也称为慢波睡眠。在此阶段，身体组织得到修复，并释放重要荷尔蒙。它通常出现在睡眠的前半段，且持续时间较长。深度睡眠期间，身体非常放松，因此相较于其他阶段，你可能更难在此阶段醒来。
                </Text>
              </View>
            </ScrollView>
          </View>
        </Animated.View>
      </View>
    </Modal>
  );
};

// Info Modal 组件
const InfoModal = ({
  visible,
  onClose,
  title,
  type,
  sleepData
}: {
  visible: boolean;
  onClose: () => void;
  title: string;
  type: 'sleep-time' | 'sleep-quality';
  sleepData: SleepDetailData;
}) => {
  const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
  const colorTokens = Colors[theme];
  const slideAnim = useState(new Animated.Value(0))[0];

  React.useEffect(() => {
    if (visible) {
      // 重置动画值确保每次打开都有动画
      slideAnim.setValue(0);
      Animated.spring(slideAnim, {
        toValue: 1,
        useNativeDriver: true,
        tension: 100,
        friction: 8,
      }).start();
    } else {
      Animated.spring(slideAnim, {
        toValue: 0,
        useNativeDriver: true,
        tension: 100,
        friction: 8,
      }).start();
    }
  }, [visible]);

  const translateY = slideAnim.interpolate({
    inputRange: [0, 1],
    outputRange: [300, 0],
  });

  const opacity = slideAnim.interpolate({
    inputRange: [0, 1],
    outputRange: [0, 1],
  });

  // 根据实际睡眠时间计算等级
  const getSleepTimeGrade = (totalSleepMinutes: number) => {
    const hours = totalSleepMinutes / 60;
    if (hours < 6) return 0; // 低
    if ((hours >= 6 && hours < 7) || hours > 9) return 1; // 正常
    if (hours >= 7 && hours < 8) return 2; // 良好
    if (hours >= 8 && hours <= 9) return 3; // 优秀
    return 1; // 默认正常
  };

  // 根据实际睡眠质量百分比计算等级
  const getSleepQualityGrade = (qualityPercentage: number) => {
    if (qualityPercentage < 55) return 0; // 较差
    if (qualityPercentage < 70) return 1; // 一般
    if (qualityPercentage < 85) return 2; // 良好
    return 3; // 优秀
  };

  const currentSleepTimeGrade = getSleepTimeGrade(sleepData.totalSleepTime || 443); // 默认7h23m
  const currentSleepQualityGrade = getSleepQualityGrade(sleepData.sleepQualityPercentage || 94); // 默认94%

  const sleepTimeGrades = [
    { icon: 'alert-circle-outline', grade: '低', range: '< 6h', isActive: currentSleepTimeGrade === 0 },
    { icon: 'checkmark-circle-outline', grade: '正常', range: '6h - 7h or > 9h', isActive: currentSleepTimeGrade === 1 },
    { icon: 'checkmark-circle', grade: '良好', range: '7h - 8h', isActive: currentSleepTimeGrade === 2 },
    { icon: 'star', grade: '优秀', range: '8h - 9h', isActive: currentSleepTimeGrade === 3 },
  ];

  const sleepQualityGrades = [
    { icon: 'alert-circle-outline', grade: '较差', range: '< 55%', isActive: currentSleepQualityGrade === 0 },
    { icon: 'checkmark-circle-outline', grade: '一般', range: '55% - 69%', isActive: currentSleepQualityGrade === 1 },
    { icon: 'checkmark-circle', grade: '良好', range: '70% - 84%', isActive: currentSleepQualityGrade === 2 },
    { icon: 'star', grade: '优秀', range: '85% - 100%', isActive: currentSleepQualityGrade === 3 },
  ];

  const currentGrades = type === 'sleep-time' ? sleepTimeGrades : sleepQualityGrades;

  const getDescription = () => {
    if (type === 'sleep-time') {
      return '睡眠最重要 - 它占据了你睡眠得分的一半以上。长时间的睡眠可以减少睡眠债务，但是规律的睡眠时间对于高质量的休息至关重要。';
    } else {
      return '睡眠质量综合评估您的睡眠效率、深度睡眠时长、REM睡眠比例等多个指标。高质量的睡眠不仅仅取决于时长，还包括睡眠的连续性和各睡眠阶段的平衡。';
    }
  };

  return (
    <Modal
      transparent
      visible={visible}
      animationType="none"
      onRequestClose={onClose}
    >
      <TouchableOpacity
        style={styles.modalOverlay}
        activeOpacity={1}
        onPress={onClose}
      >
        <Animated.View style={[
          styles.infoModalContent,
          {
            backgroundColor: colorTokens.background,
            transform: [{ translateY }],
            opacity,
          }
        ]}>
          <View style={styles.modalHandle} />
          <View style={styles.infoModalHeader}>
            <Text style={[styles.infoModalTitle, { color: colorTokens.text }]}>
              {title}
            </Text>
            <TouchableOpacity onPress={onClose} style={styles.infoModalCloseButton}>
              <Ionicons name="close" size={20} color={colorTokens.textSecondary} />
            </TouchableOpacity>
          </View>

          {/* 等级卡片区域 */}
          <View style={styles.gradesContainer}>
            {currentGrades.map((grade, index) => (
              <SleepGradeCard
                key={index}
                icon={grade.icon}
                grade={grade.grade}
                range={grade.range}
                isActive={grade.isActive}
              />
            ))}
          </View>

          <Text style={[styles.infoModalText, { color: colorTokens.textSecondary }]}>
            {getDescription()}
          </Text>
        </Animated.View>
      </TouchableOpacity>
    </Modal>
  );
};

export default function SleepDetailScreen() {
  const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
  const colorTokens = Colors[theme];
  const [sleepData, setSleepData] = useState<SleepDetailData | null>(null);
  const [loading, setLoading] = useState(true);
  const [selectedDate] = useState(dayjs().toDate());

  const [infoModal, setInfoModal] = useState<{ visible: boolean; title: string; type: 'sleep-time' | 'sleep-quality' | null }>({
    visible: false,
    title: '',
    type: null
  });

  const [sleepStagesModal, setSleepStagesModal] = useState({
    visible: false
  });

  useEffect(() => {
    loadSleepData();
  }, [selectedDate]);

  const loadSleepData = async () => {
    try {
      setLoading(true);

      // 确保有健康权限
      const hasPermission = await ensureHealthPermissions();
      if (!hasPermission) {
        console.warn('没有健康数据权限');
        return;
      }

      // 获取睡眠详情数据
      const data = await fetchSleepDetailForDate(selectedDate);
      setSleepData(data);

    } catch (error) {
      console.error('加载睡眠数据失败:', error);
    } finally {
      setLoading(false);
    }
  };

  if (loading) {
    return (
      <View style={[styles.container, styles.loadingContainer]}>
        <ActivityIndicator size="large" color={Colors.light.primary} />
        <Text style={styles.loadingText}>加载睡眠数据中...</Text>
      </View>
    );
  }

  // 如果没有数据，使用默认数据结构
  const displayData: SleepDetailData = sleepData || {
    sleepScore: 0,
    totalSleepTime: 0,
    sleepQualityPercentage: 0,
    bedtime: new Date().toISOString(),
    wakeupTime: new Date().toISOString(),
    timeInBed: 0,
    sleepStages: [],
    rawSleepSamples: [], // 添加空的原始睡眠样本数据
    averageHeartRate: null,
    sleepHeartRateData: [],
    sleepEfficiency: 0,
    qualityDescription: '暂无睡眠数据',
    recommendation: '请确保在真实iOS设备上运行并授权访问健康数据，或等待有睡眠数据后再查看。'
  };

  return (
    <View style={styles.container}>
      {/* 背景渐变 */}
      <LinearGradient
        colors={['#f0f4ff', '#e6f2ff', '#ffffff']}
        style={styles.gradientBackground}
        start={{ x: 0, y: 0 }}
        end={{ x: 0, y: 1 }}
      />

      {/* 顶部导航 */}
      <HeaderBar
        title={`今天, ${dayjs(selectedDate).format('M月DD日')}`}
        onBack={() => router.back()}
        withSafeTop={true}
        transparent={true}
      />



      <ScrollView
        style={styles.scrollView}
        contentContainerStyle={styles.scrollContent}
        showsVerticalScrollIndicator={false}
      >
        {/* 睡眠得分圆形显示 */}
        <View style={styles.scoreContainer}>
          <View style={styles.scoreTextContainer}>
            <Text style={styles.scoreNumber}>{displayData.sleepScore}</Text>
            <Text style={styles.scoreLabel}>睡眠得分</Text>
          </View>
        </View>

        {/* 睡眠质量描述 */}
        <Text style={styles.qualityDescription}>{displayData.qualityDescription}</Text>

        {/* 建议文本 */}
        <Text style={styles.recommendationText}>{displayData.recommendation}</Text>

        {/* 调试信息 - 仅在开发模式下显示 */}
        {__DEV__ && sleepData && sleepData.rawSleepSamples.length > 0 && (
          <View style={[styles.debugContainer, { backgroundColor: colorTokens.pageBackgroundEmphasis }]}>
            <Text style={[styles.debugTitle, { color: colorTokens.text }]}>
              调试信息 ({sleepData.rawSleepSamples.length} 个睡眠样本)
            </Text>
            <Text style={[styles.debugText, { color: colorTokens.textSecondary }]}>
              原始睡眠样本类型: {[...new Set(sleepData.rawSleepSamples.map(s => s.value))].join(', ')}
            </Text>
            <Text style={[styles.debugText, { color: colorTokens.textSecondary }]}>
              时间范围: {sleepData.rawSleepSamples.length > 0 ? 
                `${formatTime(sleepData.rawSleepSamples[0].startDate)} - ${formatTime(sleepData.rawSleepSamples[sleepData.rawSleepSamples.length - 1].endDate)}` : 
                '无数据'}
            </Text>
            <Text style={[styles.debugText, { color: colorTokens.textSecondary }]}>
              在床时长: {displayData.timeInBed > 0 ? formatSleepTime(displayData.timeInBed) : '未知'}
            </Text>
          </View>
        )}

        {/* 睡眠统计卡片 */}
        <View style={styles.statsContainer}>
          <View style={[styles.newStatCard, { backgroundColor: colorTokens.background }]}>
            <View style={styles.statCardHeader}>
              <View style={styles.statCardLeftGroup}>
                <View style={styles.statCardIcon}>
                  <Ionicons name="moon-outline" size={18} color="#6B7280" />
                </View>
                <Text style={[styles.statLabel, { color: colorTokens.textSecondary }]}>睡眠时间</Text>
              </View>
              <TouchableOpacity
                style={styles.infoButton}
                onPress={() => setInfoModal({
                  visible: true,
                  title: '睡眠时间',
                  type: 'sleep-time'
                })}
              >
                <Ionicons name="information-circle-outline" size={18} color={colorTokens.textMuted} />
              </TouchableOpacity>
            </View>
            <Text style={[styles.newStatValue, { color: colorTokens.text }]}>
              {displayData.totalSleepTime > 0 ? formatSleepTime(displayData.totalSleepTime) : '7h 23m'}
            </Text>
            <View style={[styles.qualityBadge, styles.goodQualityBadge]}>
              <Text style={[styles.qualityBadgeText, styles.goodQualityText]}>✓ 良好</Text>
            </View>
          </View>

          <View style={[styles.newStatCard, { backgroundColor: colorTokens.background }]}>
            <View style={styles.statCardHeader}>
              <View style={styles.statCardLeftGroup}>
                <View style={styles.statCardIcon}>
                  <Ionicons name="star-outline" size={18} color="#6B7280" />
                </View>
                <Text style={[styles.statLabel, { color: colorTokens.textSecondary }]}>睡眠质量</Text>
              </View>
              <TouchableOpacity
                style={styles.infoButton}
                onPress={() => setInfoModal({
                  visible: true,
                  title: '睡眠质量',
                  type: 'sleep-quality'
                })}
              >
                <Ionicons name="information-circle-outline" size={16} color={colorTokens.textMuted} />
              </TouchableOpacity>
            </View>
            <Text style={[styles.newStatValue, { color: colorTokens.text }]}>
              {displayData.sleepQualityPercentage > 0 ? `${displayData.sleepQualityPercentage}%` : '94%'}
            </Text>
            <View style={[styles.qualityBadge, styles.excellentQualityBadge]}>
              <Text style={[styles.qualityBadgeText, styles.excellentQualityText]}>★ 优秀</Text>
            </View>
          </View>
        </View>

        {/* 睡眠阶段图表 */}
        <SleepStageChart
          sleepData={displayData}
          onInfoPress={() => setSleepStagesModal({ visible: true })}
        />

        {/* 睡眠阶段统计 - 2x2网格布局 */}
        <View style={styles.stagesGridContainer}>
          {/* 使用真实数据或默认数据，确保包含所有4个阶段 */}
          {(() => {
            let stagesToDisplay;
            if (displayData.sleepStages.length > 0) {
              // 使用真实数据，确保所有阶段都存在
              const existingStages = new Map(displayData.sleepStages.map(s => [s.stage, s]));
              stagesToDisplay = [
                existingStages.get(SleepStage.Awake) || { stage: SleepStage.Awake, duration: 0, percentage: 0, quality: 'good' as any },
                existingStages.get(SleepStage.REM) || { stage: SleepStage.REM, duration: 0, percentage: 0, quality: 'good' as any },
                existingStages.get(SleepStage.Core) || { stage: SleepStage.Core, duration: 0, percentage: 0, quality: 'good' as any },
                existingStages.get(SleepStage.Deep) || { stage: SleepStage.Deep, duration: 0, percentage: 0, quality: 'good' as any }
              ];
            } else {
              // 使用默认数据
              stagesToDisplay = [
                { stage: SleepStage.Awake, duration: 3, percentage: 1, quality: 'good' as any },
                { stage: SleepStage.REM, duration: 89, percentage: 20, quality: 'good' as any },
                { stage: SleepStage.Core, duration: 295, percentage: 67, quality: 'good' as any },
                { stage: SleepStage.Deep, duration: 51, percentage: 12, quality: 'poor' as any }
              ];
            }
            return stagesToDisplay;
          })().map((stageData, index) => {
            const getStageName = (stage: SleepStage) => {
              switch (stage) {
                case SleepStage.Awake: return '清醒时间';
                case SleepStage.REM: return '快速眼动';
                case SleepStage.Core: return '核心睡眠';
                case SleepStage.Deep: return '深度睡眠';
                default: return '未知';
              }
            };

            const getQualityDisplay = (quality: any) => {
              switch (quality) {
                case 'excellent': return { text: '★ 优秀', color: '#10B981', bgColor: '#D1FAE5', progressColor: '#10B981', progressWidth: '100%' };
                case 'good': return { text: '✓ 良好', color: '#065F46', bgColor: '#D1FAE5', progressColor: '#10B981', progressWidth: '85%' };
                case 'fair': return { text: '○ 一般', color: '#92400E', bgColor: '#FEF3C7', progressColor: '#F59E0B', progressWidth: '65%' };
                case 'poor': return { text: '⚠ 低', color: '#DC2626', bgColor: '#FECACA', progressColor: '#F59E0B', progressWidth: '45%' };
                default: return { text: '✓ 正常', color: '#065F46', bgColor: '#D1FAE5', progressColor: '#10B981', progressWidth: '75%' };
              }
            };

            const qualityInfo = getQualityDisplay(stageData.quality);

            return (
              <View key={index} style={[styles.stageCard, { backgroundColor: colorTokens.background }]}>
                <Text style={[styles.stageCardTitle, { color: getSleepStageColor(stageData.stage) }]}>
                  {getStageName(stageData.stage)}
                </Text>
                <Text style={[styles.stageCardValue, { color: colorTokens.text }]}>
                  {formatSleepTime(stageData.duration)}
                </Text>
                <Text style={[styles.stageCardPercentage, { color: colorTokens.textSecondary }]}>
                  占总体睡眠的 {stageData.percentage}%
                </Text>
                <View style={[styles.stageCardQuality, { backgroundColor: qualityInfo.bgColor }]}>
                  <Text style={[styles.stageCardQualityText, { color: qualityInfo.color }]}>
                    {qualityInfo.text}
                  </Text>
                </View>
              </View>
            );
          })}
        </View>
      </ScrollView>

      {infoModal.type && (
        <InfoModal
          visible={infoModal.visible}
          onClose={() => setInfoModal({ ...infoModal, visible: false })}
          title={infoModal.title}
          type={infoModal.type}
          sleepData={displayData}
        />
      )}

      <SleepStagesInfoModal
        visible={sleepStagesModal.visible}
        onClose={() => setSleepStagesModal({ visible: false })}
      />
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#F8FAFC',
  },
  gradientBackground: {
    position: 'absolute',
    left: 0,
    right: 0,
    top: 0,
    bottom: 0,
  },
  scrollView: {
    flex: 1,
  },
  scrollContent: {
    paddingHorizontal: 20,
    paddingBottom: 40,
  },
  scoreContainer: {
    alignItems: 'center',
  },
  circularProgressContainer: {
    position: 'relative',
    alignItems: 'center',
    justifyContent: 'center',
  },
  scoreTextContainer: {
    alignItems: 'center',
    justifyContent: 'center',
  },
  scoreNumber: {
    fontSize: 48,
    fontWeight: '800',
    color: '#1F2937',
    lineHeight: 48,
  },
  scoreLabel: {
    fontSize: 14,
    color: '#6B7280',
    marginTop: 4,
  },
  qualityDescription: {
    fontSize: 18,
    fontWeight: '600',
    color: '#1F2937',
    textAlign: 'center',
    marginBottom: 16,
    lineHeight: 24,
  },
  recommendationText: {
    fontSize: 14,
    color: '#6B7280',
    textAlign: 'center',
    lineHeight: 20,
    marginBottom: 32,
    paddingHorizontal: 16,
  },
  statsContainer: {
    flexDirection: 'row',
    gap: 12,
    marginBottom: 32,
    paddingHorizontal: 4,
  },
  newStatCard: {
    flex: 1,
    borderRadius: 20,
    padding: 16,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 4 },
    shadowOpacity: 0.08,
    shadowRadius: 12,
    elevation: 4,
    borderWidth: 1,
    borderColor: 'rgba(0, 0, 0, 0.06)',
  },
  statCardHeader: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: 8,
  },
  statCardLeftGroup: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 8,
  },
  statCardIcon: {
    width: 20,
    height: 20,
    borderRadius: 4,
    backgroundColor: 'rgba(120, 120, 128, 0.08)',
    alignItems: 'center',
    justifyContent: 'center',
    alignSelf: 'center',
  },
  infoButton: {
    padding: 4,
    alignSelf: 'center',
  },
  statCard: {
    flex: 1,
    backgroundColor: 'rgba(255, 255, 255, 0.9)',
    borderRadius: 16,
    padding: 16,
    alignItems: 'center',
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.1,
    shadowRadius: 8,
    elevation: 3,
  },
  statIcon: {
    fontSize: 18,
  },
  statLabel: {
    fontSize: 12,
    fontWeight: '500',
    letterSpacing: 0.2,
    alignSelf: 'center',
  },
  newStatValue: {
    fontSize: 20,
    fontWeight: '600',
    marginBottom: 12,
    letterSpacing: -0.5,
  },
  qualityBadge: {
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 8,
    alignSelf: 'flex-start',
  },
  goodQualityBadge: {
    backgroundColor: '#D1FAE5',
  },
  excellentQualityBadge: {
    backgroundColor: '#FEF3C7',
  },
  qualityBadgeText: {
    fontSize: 12,
    fontWeight: '600',
    letterSpacing: 0.1,
  },
  goodQualityText: {
    color: '#065F46',
  },
  excellentQualityText: {
    color: '#92400E',
  },
  statValue: {
    fontSize: 18,
    fontWeight: '700',
    color: '#1F2937',
    marginBottom: 4,
  },
  statQuality: {
    fontSize: 12,
    color: '#10B981',
    fontWeight: '500',
  },
  chartContainer: {
    backgroundColor: 'rgba(255, 255, 255, 0.9)',
    borderRadius: 16,
    padding: 16,
    marginBottom: 24,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.1,
    shadowRadius: 8,
    elevation: 3,
  },
  chartHeader: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: 16,
  },
  chartTimeLabel: {
    alignItems: 'center',
  },
  chartTimeText: {
    fontSize: 12,
    color: '#6B7280',
    fontWeight: '500',
  },
  chartHeartRate: {
    alignItems: 'center',
  },
  chartHeartRateText: {
    fontSize: 12,
    color: '#EF4444',
    fontWeight: '600',
  },
  chartBars: {
    flexDirection: 'row',
    alignItems: 'flex-end',
    height: 120,
    gap: 2,
  },
  chartBar: {
    borderRadius: 2,
    minHeight: 8,
  },
  chartTimeScale: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    paddingHorizontal: 4,
    marginTop: 8,
  },
  chartTimeScaleText: {
    fontSize: 10,
    color: '#9CA3AF',
    textAlign: 'center',
  },
  layeredChartContainer: {
    position: 'relative',
    marginVertical: 16,
  },
  sleepBlock: {
    borderRadius: 2,
    borderWidth: 0.5,
    borderColor: 'rgba(255, 255, 255, 0.2)',
  },
  baselineLine: {
    height: 1,
    backgroundColor: '#E5E7EB',
    position: 'absolute',
  },
  stagesContainer: {
    backgroundColor: 'rgba(255, 255, 255, 0.9)',
    borderRadius: 16,
    padding: 16,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.1,
    shadowRadius: 8,
    elevation: 3,
  },
  stageRow: {
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'space-between',
    paddingVertical: 12,
    borderBottomWidth: 1,
    borderBottomColor: '#F3F4F6',
  },
  stageInfo: {
    flexDirection: 'row',
    alignItems: 'center',
    flex: 1,
  },
  stageColorDot: {
    width: 12,
    height: 12,
    borderRadius: 6,
    marginRight: 12,
  },
  stageName: {
    fontSize: 14,
    color: '#374151',
    fontWeight: '500',
  },
  stageStats: {
    alignItems: 'flex-end',
  },
  stagePercentage: {
    fontSize: 16,
    fontWeight: '700',
    color: '#1F2937',
  },
  stageDuration: {
    fontSize: 12,
    color: '#6B7280',
    marginTop: 2,
  },
  stageQuality: {
    fontSize: 11,
    fontWeight: '600',
    marginTop: 2,
  },
  loadingContainer: {
    justifyContent: 'center',
    alignItems: 'center',
  },
  loadingText: {
    fontSize: 16,
    color: '#6B7280',
    marginTop: 16,
  },
  errorText: {
    fontSize: 16,
    color: '#6B7280',
    marginBottom: 16,
  },
  retryButton: {
    backgroundColor: Colors.light.primary,
    borderRadius: 8,
    paddingHorizontal: 24,
    paddingVertical: 12,
  },
  retryButtonText: {
    color: '#FFFFFF',
    fontSize: 14,
    fontWeight: '600',
  },
  noDataContainer: {
    alignItems: 'center',
    paddingVertical: 24,
  },
  noDataText: {
    fontSize: 14,
    color: '#9CA3AF',
    fontStyle: 'italic',
  },
  // Info Modal 样式
  modalOverlay: {
    flex: 1,
    backgroundColor: 'rgba(0, 0, 0, 0.5)',
    justifyContent: 'flex-end',
  },
  infoModalContent: {
    borderTopLeftRadius: 24,
    borderTopRightRadius: 24,
    paddingTop: 12,
    paddingHorizontal: 20,
    paddingBottom: 34,
    minHeight: 200,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: -4 },
    shadowOpacity: 0.1,
    shadowRadius: 16,
    elevation: 8,
  },
  modalHandle: {
    width: 36,
    height: 4,
    backgroundColor: '#D1D5DB',
    borderRadius: 2,
    alignSelf: 'center',
    marginBottom: 20,
  },
  infoModalHeader: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: 16,
  },
  infoModalTitle: {
    fontSize: 18,
    fontWeight: '700',
    letterSpacing: -0.3,
  },
  infoModalCloseButton: {
    padding: 4,
  },
  infoModalText: {
    fontSize: 15,
    lineHeight: 22,
    letterSpacing: -0.1,
  },
  // Grade Cards 样式
  gradesContainer: {
    marginBottom: 20,
    gap: 8,
  },
  gradeCard: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    paddingHorizontal: 16,
    paddingVertical: 12,
    borderRadius: 12,
    borderWidth: 1,
  },
  gradeCardLeft: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 8,
  },
  gradeText: {
    fontSize: 16,
    fontWeight: '600',
    letterSpacing: -0.2,
  },
  gradeRange: {
    fontSize: 16,
    fontWeight: '700',
    letterSpacing: -0.3,
  },
  mockDataToggle: {
    paddingHorizontal: 12,
    paddingVertical: 6,
    backgroundColor: 'rgba(255, 255, 255, 0.2)',
    borderRadius: 16,
    borderWidth: 1,
    borderColor: 'rgba(255, 255, 255, 0.3)',
  },
  mockDataToggleText: {
    fontSize: 12,
    fontWeight: '600',
  },
  // 简化睡眠阶段图表样式
  simplifiedChartContainer: {
    backgroundColor: 'rgba(255, 255, 255, 0.9)',
    borderRadius: 16,
    padding: 16,
    marginBottom: 24,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.1,
    shadowRadius: 8,
    elevation: 3,
  },
  chartTitleContainer: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: 16,
  },
  chartTitle: {
    fontSize: 16,
    fontWeight: '600',
    color: '#1F2937',
  },
  chartInfoButton: {
    padding: 4,
  },
  simplifiedChartBar: {
    flexDirection: 'row',
    height: 24,
    borderRadius: 12,
    overflow: 'hidden',
    marginBottom: 16,
  },
  stageSegment: {
    height: '100%',
  },
  chartLegend: {
    gap: 8,
  },
  legendRow: {
    flexDirection: 'row',
    justifyContent: 'space-between',
  },
  legendItem: {
    flexDirection: 'row',
    alignItems: 'center',
    flex: 1,
  },
  legendDot: {
    width: 8,
    height: 8,
    borderRadius: 4,
    marginRight: 6,
  },
  legendText: {
    fontSize: 12,
    color: '#6B7280',
    fontWeight: '500',
  },
  // 睡眠阶段卡片网格样式
  stagesGridContainer: {
    flexDirection: 'row',
    flexWrap: 'wrap',
    gap: 12,
    paddingHorizontal: 4,
  },
  stageCard: {
    width: '48%',
    borderRadius: 20,
    padding: 16,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 4 },
    shadowOpacity: 0.08,
    shadowRadius: 12,
    elevation: 4,
    borderWidth: 1,
    borderColor: 'rgba(0, 0, 0, 0.06)',
  },
  stageCardTitle: {
    fontSize: 14,
    fontWeight: '500',
    marginBottom: 8,
  },
  stageCardValue: {
    fontSize: 24,
    fontWeight: '700',
    lineHeight: 28,
    marginBottom: 4,
  },
  stageCardPercentage: {
    fontSize: 12,
    marginBottom: 12,
  },
  stageCardQuality: {
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 8,
    alignSelf: 'flex-start',
  },
  normalQuality: {
    backgroundColor: '#D1FAE5',
  },
  lowQuality: {
    backgroundColor: '#FECACA',
  },
  stageCardQualityText: {
    fontSize: 12,
    fontWeight: '600',
  },
  normalQualityText: {
    color: '#065F46',
  },
  lowQualityText: {
    color: '#DC2626',
  },
  stageCardProgress: {
    height: 6,
    backgroundColor: '#E5E7EB',
    borderRadius: 3,
    overflow: 'hidden',
  },
  stageCardProgressBar: {
    height: '100%',
    borderRadius: 3,
  },
  // Sleep Stages Modal 样式
  sleepStagesModalContent: {
    borderTopLeftRadius: 24,
    borderTopRightRadius: 24,
    height: '80%',
    shadowColor: '#000',
    shadowOffset: { width: 0, height: -4 },
    shadowOpacity: 0.1,
    shadowRadius: 16,
    elevation: 8,
  },
  sleepStagesModalInner: {
    flex: 1,
    paddingTop: 12,
    paddingHorizontal: 20,
    paddingBottom: 34,
  },
  sleepStagesModalHeader: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: 20,
  },
  sleepStagesModalTitle: {
    fontSize: 20,
    fontWeight: '700',
    letterSpacing: -0.4,
  },
  sleepStagesScrollView: {
    flex: 1,
  },
  sleepStagesScrollContent: {
    paddingBottom: 40,
  },
  sleepStagesDescription: {
    fontSize: 15,
    lineHeight: 22,
    letterSpacing: -0.1,
    marginBottom: 24,
  },
  sleepStageInfoCard: {
    marginBottom: 20,
  },
  sleepStageInfoHeader: {
    paddingBottom: 12,
    marginBottom: 12,
  },
  sleepStageInfoTitleContainer: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 12,
  },
  sleepStageDot: {
    width: 12,
    height: 12,
    borderRadius: 6,
  },
  sleepStageInfoTitle: {
    fontSize: 18,
    fontWeight: '600',
    letterSpacing: -0.2,
  },
  sleepStageInfoContent: {
    fontSize: 15,
    lineHeight: 22,
    letterSpacing: -0.1,
  },
  // 睡眠时间标签样式
  sleepTimeLabels: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    marginBottom: 16,
  },
  sleepTimeLabel: {
    alignItems: 'center',
  },
  sleepTimeText: {
    fontSize: 12,
    fontWeight: '500',
    marginBottom: 4,
  },
  sleepTimeValue: {
    fontSize: 16,
    fontWeight: '700',
    letterSpacing: -0.2,
  },
  // 调试信息样式
  debugContainer: {
    marginHorizontal: 20,
    marginBottom: 20,
    padding: 16,
    borderRadius: 12,
    borderWidth: 1,
    borderColor: 'rgba(0, 0, 0, 0.1)',
  },
  debugTitle: {
    fontSize: 14,
    fontWeight: '600',
    marginBottom: 8,
  },
  debugText: {
    fontSize: 12,
    lineHeight: 16,
    marginBottom: 4,
  },
});