const RECENT_CLIP_MS = 3 * 60 * 60 * 1000

function recentLibraryClip(event: Parameters<typeof assertLibraryOwner>[0]) {
  const { catalog } = assertLibraryOwner(event)
  const newest = catalog.clips[0]
  if (!newest || Date.now() - newest.createdAt > RECENT_CLIP_MS) return null
  return {
    type: 'complete' as const,
    status: 'complete' as const,
    message: newest.hideThumbnail ? 'Video ready. Click the player to reveal it.' : 'Video ready',
    progress: 100,
    clipId: newest.id,
    filename: newest.comfyFilename,
    hideThumbnail: newest.hideThumbnail,
    folderLocked: false
  }
}

export default defineEventHandler(async (event) => {
  const body = await readBody<{ jobId?: string }>(event).catch(() => ({} as { jobId?: string }))
  const jobId = String(body?.jobId || '')
  const live = jobId ? getJob(jobId) : undefined
  if (live) return jobSnapshot(live)

  if (jobId) {
    const pending = readPendingJob(jobId)
    if (pending) {
      const done = await resolvePendingJob(pending)
      if (done) return done
      return jobSnapshot(ensurePendingWatch(pending))
    }
    const saved = recentLibraryClip(event)
    if (saved) return saved
    throw createError({ statusCode: 404, statusMessage: 'Job not found' })
  }

  const { owner } = assertLibraryOwner(event)
  const library = publicLibrary(event)
  const folderId = library.folders.find(folder => folder.unlocked)?.id
  const imported = folderId ? await importMissingComfyVideos(owner, folderId) : []
  const newest = imported[imported.length - 1]
  if (newest) {
    return {
      type: 'complete',
      status: 'complete',
      message: 'Recovered video from ComfyUI',
      progress: 100,
      clipId: newest.id,
      filename: newest.comfyFilename,
      hideThumbnail: newest.hideThumbnail
    }
  }
  const saved = recentLibraryClip(event)
  if (saved) return saved
  throw createError({ statusCode: 404, statusMessage: 'No finished ComfyUI video to recover' })
})