/**
 * 埋点验证脚本
 *
 * 检查 simple_logs 表中是否存在各关键埋点，
 * 并汇总每个模块/功能的记录数量。
 *
 * 用法: npx tsx scripts/verify-activity-tracking.ts [--days N]
 */

import { PrismaClient } from '@prisma/client';

const prisma = new PrismaClient();

interface TrackingPoint {
  module: string;
  feature: string;
  label: string;
}

const EXPECTED_TRACKING_POINTS: TrackingPoint[] = [
  // 系统级
  { module: 'SYSTEM', feature: '用户登录', label: '用户登录' },
  { module: 'SYSTEM', feature: '顶部导航点击', label: '顶部导航点击' },
  // ASL
  { module: 'ASL', feature: '意图识别', label: 'ASL 意图识别（需求扩写）' },
  { module: 'ASL', feature: 'Deep Research', label: 'ASL 启动 Deep Research' },
  // AIA (各智能体名称作为 feature)
  { module: 'AIA', feature: '科学问题梳理', label: 'AIA 智能体 - 科学问题梳理（示例）' },
  // PKB
  { module: 'PKB', feature: '创建知识库', label: 'PKB 创建知识库' },
  // DC
  { module: 'DC', feature: '智能数据清洗', label: 'DC 智能数据清洗' },
  // IIT/CRA
  { module: 'IIT', feature: 'CRA质控', label: 'IIT CRA质控' },
  // RVW
  { module: 'RVW', feature: '稿', label: 'RVW 稿件审查相关' },
];

async function main() {
  const daysArg = process.argv.findIndex(a => a === '--days');
  const days = daysArg >= 0 ? parseInt(process.argv[daysArg + 1], 10) || 7 : 7;

  const since = new Date();
  since.setDate(since.getDate() - days);

  console.log(`\n📊 埋点验证报告 (最近 ${days} 天，since ${since.toISOString().slice(0, 10)})\n`);
  console.log('='.repeat(80));

  // 1. 总记录数
  const totalCount = await prisma.simple_logs.count({
    where: { created_at: { gte: since } },
  });
  console.log(`\n📈 总记录数: ${totalCount}\n`);

  // 2. 按模块统计
  const moduleStats = await prisma.$queryRaw`
    SELECT module, COUNT(*) as count
    FROM admin_schema.simple_logs
    WHERE created_at >= ${since}
    GROUP BY module
    ORDER BY count DESC
  ` as Array<{ module: string; count: bigint }>;

  console.log('📦 模块统计:');
  console.log('-'.repeat(40));
  for (const row of moduleStats) {
    console.log(`  ${row.module.padEnd(12)} ${Number(row.count).toString().padStart(6)} 条`);
  }

  // 3. 检查每个关键埋点是否存在
  console.log('\n🔍 关键埋点覆盖检查:');
  console.log('-'.repeat(80));

  let coveredCount = 0;
  let missingCount = 0;

  for (const tp of EXPECTED_TRACKING_POINTS) {
    const count = await prisma.simple_logs.count({
      where: {
        module: tp.module,
        feature: { contains: tp.feature },
        created_at: { gte: since },
      },
    });

    const status = count > 0 ? '✅' : '❌';
    if (count > 0) coveredCount++;
    else missingCount++;

    console.log(`  ${status} ${tp.label.padEnd(35)} ${count > 0 ? `${count} 条` : '缺失'}`);
  }

  console.log('\n' + '='.repeat(80));
  console.log(`\n📋 结果: ${coveredCount}/${EXPECTED_TRACKING_POINTS.length} 已覆盖, ${missingCount} 缺失\n`);

  // 4. 按 feature 统计 Top 20
  console.log('🏆 Top 20 Feature (按记录数):');
  console.log('-'.repeat(80));
  const topFeatures = await prisma.$queryRaw`
    SELECT module, feature, action, COUNT(*) as count
    FROM admin_schema.simple_logs
    WHERE created_at >= ${since}
    GROUP BY module, feature, action
    ORDER BY count DESC
    LIMIT 20
  ` as Array<{ module: string; feature: string; action: string; count: bigint }>;

  for (const row of topFeatures) {
    console.log(`  ${row.module.padEnd(10)} ${row.feature.padEnd(25)} ${row.action.padEnd(10)} ${Number(row.count).toString().padStart(6)} 条`);
  }

  // 5. DAU/MAU
  const dauResult = await prisma.$queryRaw`
    SELECT COUNT(DISTINCT user_id) as dau
    FROM admin_schema.simple_logs
    WHERE created_at >= CURRENT_DATE
  ` as Array<{ dau: bigint }>;

  const mauResult = await prisma.$queryRaw`
    SELECT COUNT(DISTINCT user_id) as mau
    FROM admin_schema.simple_logs
    WHERE created_at >= CURRENT_DATE - INTERVAL '30 days'
  ` as Array<{ mau: bigint }>;

  console.log(`\n👤 DAU (今日活跃用户): ${Number(dauResult[0]?.dau || 0)}`);
  console.log(`👥 MAU (30日活跃用户): ${Number(mauResult[0]?.mau || 0)}`);

  console.log('\n✅ 验证完成\n');
}

main()
  .then(() => prisma.$disconnect())
  .catch(async (e) => {
    console.error('❌ 验证失败:', e);
    await prisma.$disconnect();
    process.exit(1);
  });