import { getDb } from '../../../utils/db'

export default defineEventHandler((event) => {
  const query = getQuery(event)
  const targetId = query.target_id as string
  
  if (!targetId) {
    throw createError({
      statusCode: 400,
      message: 'target_id is required'
    })
  }
  
  const db = getDb()
  
  // 최신 수집 시간 기준 컨테이너 목록
  const containers = db.prepare(`
    SELECT DISTINCT container_name
    FROM server_containers
    WHERE target_id = ?
      AND collected_at = (
        SELECT MAX(collected_at) 
        FROM server_containers 
        WHERE target_id = ?
      )
    ORDER BY container_name ASC
  `).all(targetId, targetId)
  
  return containers.map((c: any) => c.container_name)
})