import { NextResponse } from 'next/server';
import { getRedisInfo, getStats, INDEX_NAME } from '@/lib/redis';

export async function GET() {
  try {
    // Check Redis connection and get info
    const redisInfo = await getRedisInfo();
    
    // Get index stats
    const stats = await getStats();

    return NextResponse.json({
      status: 'ok',
      redis: {
        connected: redisInfo.connected,
        version: redisInfo.version,
        usedMemory: redisInfo.usedMemory,
        dbSize: redisInfo.dbSize
      },
      index: {
        exists: true,
        name: INDEX_NAME,
        stats: {
          documentCount: stats.count,
          indexSize: stats.size
        }
      }
    });
  } catch (error) {
    console.error('Health check error:', error);
    return NextResponse.json(
      { 
        status: 'error', 
        error: error instanceof Error ? error.message : 'Unknown error' 
      },
      { status: 503 }
    );
  }
}