// 1. 个人档案（BMI、体重）
const profile = readFile('data/profile.json');

// 2. 症状记录
const symptomFiles = glob('data/symptoms/**/*.json');
const symptoms = readAllJson(symptomFiles);

// 3. 情绪记录
const moodFiles = glob('data/mood/**/*.json');
const moods = readAllJson(moodFiles);

// 4. 饮食记录
const dietFiles = glob('data/diet/**/*.json');
const diets = readAllJson(dietFiles);

// 5. 用药日志
const medicationLogs = glob('data/medication-logs/**/*.json');

// 6. 女性健康数据（如适用）
const cycleData = readFile('data/cycle-tracker.json');
const pregnancyData = readFile('data/pregnancy-tracker.json');
const menopauseData = readFile('data/menopause-tracker.json');

// 7. 过敏史
const allergies = readFile('data/allergies.json');

// 8. 辐射记录
const radiation = readFile('data/radiation-records.json');

function filterByDate(data, startDate, endDate) {
  return data.filter(item => {
    const itemDate = new Date(item.date || item.created_at);
    return itemDate >= startDate && itemDate <= endDate;
  });
}

// 皮尔逊相关系数
function pearsonCorrelation(x, y) {
  // 计算相关系数
  // 返回值范围：-1（负相关）到 1（正相关）
}

// 应用场景
- 药物开始日期 vs 症状频率
- 睡眠时长 vs 情绪评分
- 体重变化 vs 饮食记录
- 运动量 vs 情绪状态

// 变化点检测
function detectChangePoints(timeSeries) {
  // 使用统计方法检测显著变化点
  // 例如：体重突然下降、症状突然增加
}

// 阈值警报
function checkThresholds(value, thresholds) {
  // 检查是否接近或超过危险阈值
  // 例如：BMI > 30、辐射剂量 > 安全限
}

// 风险评估
function assessRisks(trends) {
  // 识别高风险趋势
  // 例如：快速体重下降、频繁症状
}

// 预防建议
function generateRecommendations(trends, correlations) {
  // 基于模式建议预防措施
  // 例如：改善睡眠、提高用药依从性
}

// 早期预警
function earlyWarnings(trends) {
  // 在问题变得严重之前预测
  // 例如：症状频率上升、情绪持续低落
}

Health Trend Analysis Report
━━━━━━━━━━━━━━━━━━━━━━━━━━
Generation Time: 2025-12-31
Analysis Period: Past 3 months (2025-10-01 to 2025-12-31)

📊 Overall Assessment
━━━━━━━━━━━━━━━━━━━━━━━━━━
Improving: Weight management, cholesterol levels
Stable: Blood glucose control, emotional state
Needs Attention: Medication adherence, sleep quality

📊 Weight/BMI Trends
├─ Current Weight: 68.5 kg
├─ Current BMI: 23.1 (Normal Range)
├─ 3-month Change: -2.3 kg (-3.2%)
├─ Trend: 📉 Gradual weight loss
└─ Assessment: ✅ Positive trend, within healthy range

💊 Medication Adherence
├─ Current Medications: 3 types
├─ Overall Adherence Rate: 78%
├─ Missed Doses: 8 times
├─ Best: Aspirin (95%)
└─ Needs Improvement: Amlodipine (65%)

⚠️ Symptom Patterns
├─ Most Frequent: Headache (12 times in past 3 months)
├─ Trend: 📉 Decreasing frequency (4 fewer than previous period)
├─ Potential Trigger: Moderate correlation identified with sleep quality (r=0.62)
└─ Recommendation: Continue improving sleep patterns

🧪 Lab Result Trends
├─ Cholesterol: 240 → 210 mg/dL (Improved ✅)
├─ Blood Glucose: 5.6 → 5.4 mmol/L (Stable)
├─ Last Check: 30 days ago
└─ Recommendation: Recheck in 3 months

😊 Mood and Sleep
├─ Average Mood Score: 6.8/10
├─ Average Sleep Duration: 6.5 hours
├─ Trend: Stable mood, slight improvement in sleep
└─ Correlation: Strong correlation between sleep duration and mood score (r=0.78)

🔗 Correlation Analysis
━━━━━━━━━━━━━━━━━━━━━━━━━━
• Sleep Duration ↔ Mood Score: Strong positive correlation (r=0.78)
• Weight Change ↔ Diet Records: Moderate correlation (r=0.55)
• Medication Adherence ↔ Symptom Frequency: Moderate negative correlation (r=-0.62)

💡 Risk Assessment and Recommendations
━━━━━━━━━━━━━━━━━━━━━━━━━━

🟢 Keep Up the Good Work
• Current weight management methods are effective
• Cholesterol levels have improved significantly

🟡 Needs Attention
• Improve amlodipine adherence (set reminders)
• Increase sleep duration to 7-8 hours

📅 Follow-up Plan
• Recheck lipid panel in 3 months
• Evaluate medication adherence improvement in 1 month

━━━━━━━━━━━━━━━━━━━━━━━━━━
⚠️ Disclaimer
This analysis is for reference only and does not replace professional medical diagnosis.
Please consult a doctor for professional advice.