import postgres from 'postgres'

const databaseUrl = String(process.env.DATABASE_URL || '').trim()

if (!databaseUrl) {
  throw new Error('DATABASE_URL_REQUIRED')
}

const parsedDatabaseUrl = new URL(databaseUrl)
const allowedHosts = new Set(['127.0.0.1', 'localhost', '::1'])
const expectedDatabase = decodeURIComponent(parsedDatabaseUrl.pathname.replace(/^\/+/, ''))

if (process.env.NODE_ENV === 'production' || !allowedHosts.has(parsedDatabaseUrl.hostname)) {
  throw new Error('MEDIA_CATALOG_RECONCILE_LOCAL_DATABASE_ONLY')
}

const database = postgres(databaseUrl, {
  max: 1
})

try {
  const identityRows = await database`
    SELECT current_database() AS database_name
  `
  const databaseName = identityRows[0]?.database_name

  if (!databaseName || databaseName !== expectedDatabase || /prod|production/i.test(databaseName)) {
    throw new Error('MEDIA_CATALOG_DATABASE_IDENTITY_MISMATCH')
  }

  const { reconcileMediaCatalog } = await import('../server/repositories/media-catalog-repository.js')
  const report = await reconcileMediaCatalog()
  console.info(JSON.stringify({
    database: databaseName,
    destructiveFileChanges: false,
    report
  }, null, 2))
} finally {
  await database.end()
}