#!/usr/bin/env bun
/**
 * Check Dragonfly database usage to understand which services use which databases
 */

import Redis from 'ioredis';

async function checkDatabaseUsage() {
  console.log('🔍 Checking Dragonfly database usage...\n');

  const redis = new Redis({
    host: process.env.DRAGONFLY_HOST || 'localhost',
    port: parseInt(process.env.DRAGONFLY_PORT || '6379'),
    password: process.env.DRAGONFLY_PASSWORD || undefined,
    lazyConnect: true,
  });

  try {
    await redis.connect();

    // Check databases 0-15
    for (let db = 0; db < 16; db++) {
      try {
        // Select database
        await redis.select(db);
        
        // Get database size
        const dbSize = await redis.dbsize();
        
        if (dbSize > 0) {
          console.log(`📊 Database ${db}: ${dbSize} keys`);
          
          // Get sample keys
          const keys = await redis.keys('*');
          const sampleKeys = keys.slice(0, 10);
          
          for (const key of sampleKeys) {
            const type = await redis.type(key);
            const ttl = await redis.ttl(key);
            console.log(`   ├─ ${key} (${type}${ttl > 0 ? `, TTL: ${ttl}s` : ttl === -1 ? ', no TTL' : ''})`);
          }
          
          if (keys.length > 10) {
            console.log(`   └─ ... and ${keys.length - 10} more keys`);
          }
          console.log('');
        }
      } catch (error) {
        // Skip databases that don't exist or are inaccessible
      }
    }

    await redis.disconnect();
  } catch (error) {
    console.error('❌ Error:', error);
  }
}

checkDatabaseUsage().catch(console.error);