import { getQueueMediaMm } from '../../utils/cupsMedia'
import { hasAnyBindings, findAgentMediaForQueue } from '../../utils/printSpoolDb'

// GET /api/printers/cups-media?queue=labelprinter-2
// Returns the queue's configured default media size in mm — from the tenant's Print Agent
// inventory when the queue is bound to one (PPD default on the device), otherwise from the
// local CUPS PPD. Used by the printer settings form to prefill the label size.
// `media` is null when the queue is unknown or CUPS is unavailable.
export default defineEventHandler(async (event) => {
  const queue = String(getQuery(event)?.queue ?? '').trim()
  if (!queue) return { status: 400, message: 'queue is required', media: null }
  if (hasAnyBindings()) {
    const orgId = Number(getCookie(event, 'logship_organization_id') || 0) || 0
    const agentMedia = findAgentMediaForQueue(queue, orgId)
    if (agentMedia) return { status: 200, queue, media: agentMedia, source: 'agent' }
  }
  const media = await getQueueMediaMm(queue)
  return { status: 200, queue, media, source: media ? 'cups' : null }
})