/**
 * Daily Horoscope & Fortune Analysis
 * 
 * 查询每日星座运势，结合黄历和八字分析
 * 为桐哥 Agent 提供每日运势推送功能
 */

const https = require('https');

// 王院长生辰信息
const USER_BIRTH_INFO = {
  name: '王院长',
  birthday: '1984-05-16',
  birthTime: '23:00-24:00', // 子时
  lunarBirthday: '甲子年 四月十六',
  zodiac: '鼠',
  westernZodiac: '金牛座',
  bazi: {
    year: '甲子',
    month: '己巳',
    day: '丙午',
    hour: '戊子',
    dayMaster: '丙火' // 日主
  }
};

// 十二星座
const ZODIAC_SIGNS = [
  '白羊座', '金牛座', '双子座', '巨蟹座',
  '狮子座', '处女座', '天秤座', '天蝎座',
  '射手座', '摩羯座', '水瓶座', '双鱼座'
];

/**
 * 使用 Tavily 搜索运势信息
 */
async function searchHoroscope(date, sign) {
  const tomorrow = new Date(date);
  tomorrow.setDate(tomorrow.getDate() + 1);
  const dateStr = tomorrow.toISOString().split('T')[0];
  
  const query = `${dateStr} ${sign} 运势 星座运程`;
  
  // 调用 Tavily API
  const tavilyApiKey = process.env.TAVILY_API_KEY || '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';
  
  return new Promise((resolve, reject) => {
    const postData = JSON.stringify({
      query: query,
      search_depth: 'basic',
      include_answer: true,
      max_results: 3,
      topic: 'general'
    });
    
    const options = {
      hostname: 'api.tavily.com',
      port: 443,
      path: '/search',
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'Content-Length': Buffer.byteLength(postData),
        'Authorization': `Bearer ${tavilyApiKey}`
      }
    };
    
    const req = https.request(options, (res) => {
      let data = '';
      res.on('data', (chunk) => data += chunk);
      res.on('end', () => {
        try {
          const result = JSON.parse(data);
          resolve(result);
        } catch (e) {
          reject(e);
        }
      });
    });
    
    req.on('error', reject);
    req.write(postData);
    req.end();
  });
}

/**
 * 查询黄历
 */
async function queryAlmanac(date) {
  // 调用 chinese-almanac skill
  const almanacPath = '/root/.openclaw/workspace/skills/chinese-almanac/almanac.js';
  
  try {
    const almanac = require(almanacPath);
    const result = await almanac.queryAlmanac(date);
    return result;
  } catch (e) {
    console.error('黄历查询失败:', e.message);
    // Fallback: 基础信息
    return {
      success: false,
      date: date,
      lunarDate: '查询失败',
      yi: [],
      ji: [],
      chong: ''
    };
  }
}

/**
 * 八字分析 - 根据日主和明日五行
 */
function analyzeBazi(targetDate, userBazi) {
  const date = new Date(targetDate);
  const dayMaster = userBazi.dayMaster; // 丙火
  
  // 简化的五行分析（实际应该用更精确的干支计算）
  const dayOfWeek = date.getDay();
  const elements = ['金', '木', '水', '火', '土'];
  const tomorrowElement = elements[dayOfWeek % 5];
  
  // 五行生克关系
  const shengKe = {
    '丙火': {
      '金': '火克金 - 财星，利于求财',
      '木': '木生火 - 印星，贵人相助',
      '水': '水克火 - 官杀，压力较大',
      '火': '火比和 - 兄弟，竞争激烈',
      '土': '火生土 - 食伤，才华展现'
    }
  };
  
  const analysis = shengKe[dayMaster]?.[tomorrowElement] || '五行平衡';
  
  // 根据分析生成建议
  const suggestions = {
    '财星': {
      lucky: ['商务谈判', '投资决策', '签订合同'],
      avoid: ['大额支出', '冒险投资']
    },
    '印星': {
      lucky: ['学习新知', '拜访长辈', '规划未来'],
      avoid: ['独自决策', '匆忙行动']
    },
    '官杀': {
      lucky: ['处理公务', '解决问题', '锻炼身体'],
      avoid: ['与人争执', '高风险活动']
    },
    '比和': {
      lucky: ['团队合作', '朋友聚会', '交流沟通'],
      avoid: ['单打独斗', '固执己见']
    },
    '食伤': {
      lucky: ['创意工作', '表达展示', '休闲娱乐'],
      avoid: ['批评他人', '过度消费']
    }
  };
  
  const key = Object.keys(suggestions).find(k => analysis.includes(k)) || '比和';
  
  return {
    dayMaster: dayMaster,
    tomorrowElement: tomorrowElement,
    analysis: analysis,
    suggestions: suggestions[key]
  };
}

/**
 * 生成运势报告
 */
async function generateFortuneReport(targetDate) {
  const tomorrow = new Date(targetDate);
  tomorrow.setDate(tomorrow.getDate() + 1);
  const dateStr = tomorrow.toISOString().split('T')[0];
  
  console.log(`[Horoscope] 查询 ${dateStr} 的运势...`);
  
  // 1. 查询黄历
  const almanac = await queryAlmanac(dateStr);
  console.log('[Horoscope] 黄历查询完成');
  
  // 2. 搜索金牛座运势（王院长是金牛座）
  let horoscopeText = '';
  try {
    const horoscopeResult = await searchHoroscope(dateStr, '金牛座');
    if (horoscopeResult.answer) {
      horoscopeText = horoscopeResult.answer;
    } else if (horoscopeResult.results && horoscopeResult.results.length > 0) {
      horoscopeText = horoscopeResult.results[0].content;
    }
  } catch (e) {
    console.error('星座运势搜索失败:', e.message);
    horoscopeText = '今日金牛座运势平稳，保持积极心态。';
  }
  console.log('[Horoscope] 星座运势查询完成');
  
  // 3. 八字分析
  const baziAnalysis = analyzeBazi(dateStr, USER_BIRTH_INFO.bazi);
  console.log('[Horoscope] 八字分析完成');
  
  // 4. 生成综合报告
  const report = {
    date: dateStr,
    user: USER_BIRTH_INFO.name,
    zodiac: USER_BIRTH_INFO.westernZodiac,
    chineseZodiac: USER_BIRTH_INFO.zodiac,
    almanac: almanac,
    horoscope: {
      text: horoscopeText,
      source: 'Tavily AI Search'
    },
    bazi: baziAnalysis,
    overallLuck: calculateOverallLuck(almanac, baziAnalysis)
  };
  
  return report;
}

/**
 * 计算整体运势指数
 */
function calculateOverallLuck(almanac, bazi) {
  let score = 3; // 基础 3 星
  
  // 黄历加分项
  if (almanac.yi && almanac.yi.length > 3) score += 0.5;
  if (almanac.chong && !almanac.chong.includes('鼠')) score += 0.5;
  
  // 八字加分项
  if (baziAnalysis.analysis.includes('贵人') || baziAnalysis.analysis.includes('财星')) {
    score += 0.5;
  }
  
  const stars = Math.min(5, Math.max(1, Math.round(score)));
  return '★'.repeat(stars) + '☆'.repeat(5 - stars);
}

/**
 * 格式化运势报告为消息
 */
function formatFortuneMessage(report) {
  const { date, user, zodiac, almanac, horoscope, bazi, overallLuck } = report;
  
  let message = `📅 **${user} · 明日运势**\n`;
  message += `${date} | ${almanac.lunarDate || '农历查询中'}\n\n`;
  
  message += `✨ **整体运势**: ${overallLuck}\n\n`;
  
  message += `🗓️ **黄历宜忌**\n`;
  message += `宜：${almanac.yi?.join('、') || '查询中'}\n`;
  message += `忌：${almanac.ji?.join('、') || '查询中'}\n`;
  if (almanac.chong) {
    message += `冲煞：${almanac.chong}\n`;
  }
  message += '\n';
  
  message += `♉ **${zodiac}运势**\n`;
  message += `${horoscope.text}\n\n`;
  
  message += `🔮 **八字分析**\n`;
  message += `日主：${bazi.dayMaster}\n`;
  message += `明日五行：${bazi.tomorrowElement}\n`;
  message += `${bazi.analysis}\n\n`;
  
  message += `💡 **趋吉避凶建议**\n`;
  message += `✅ 宜：${bazi.suggestions?.lucky?.join('、') || '顺其自然'}\n`;
  message += `❌ 忌：${bazi.suggestions?.avoid?.join('、') || '谨慎行事'}\n\n`;
  
  message += `_桐哥祝您明日顺利！_ 🌟`;
  
  return message;
}

/**
 * 主函数 - 获取明日运势
 */
async function getDailyHoroscope(options = {}) {
  const targetDate = options.date || new Date().toISOString().split('T')[0];
  
  try {
    const report = await generateFortuneReport(targetDate);
    const message = formatFortuneMessage(report);
    
    return {
      success: true,
      report: report,
      message: message
    };
  } catch (e) {
    console.error('运势查询失败:', e);
    return {
      success: false,
      error: e.message,
      message: '⚠️ 运势查询暂时失败，请稍后再试。'
    };
  }
}

// 导出函数
module.exports = {
  getDailyHoroscope,
  generateFortuneReport,
  formatFortuneMessage,
  searchHoroscope,
  queryAlmanac,
  analyzeBazi,
  USER_BIRTH_INFO,
  ZODIAC_SIGNS
};

// 测试运行
if (require.main === module) {
  getDailyHoroscope().then(result => {
    console.log('\n=== 运势报告 ===\n');
    console.log(result.message);
  });
}