import { NextRequest, NextResponse } from 'next/server'
import { getLibrary } from '@/lib/libraries'
import { isScanRunning, runSingleLibraryScan } from '@/lib/scanner'
import { requireAdmin } from '@/lib/auth'

export async function POST(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  const auth = await requireAdmin(request)
  if (auth instanceof NextResponse) return auth

  const { id } = await params

  const library = getLibrary(id)
  if (!library) {
    return NextResponse.json({ error: 'Library not found' }, { status: 404 })
  }

  if (isScanRunning()) {
    return NextResponse.json({ error: 'Scan already in progress' }, { status: 409 })
  }

  // Fire-and-forget
  void runSingleLibraryScan(library)

  return new NextResponse(null, { status: 202 })
}