import { existsSync } from 'node:fs'
import { sendPathWithRange } from '~/server/utils/httpRange'

export default defineEventHandler((event) => {
  const { owner } = assertLibraryOwner(event)
  const id = String(getRouterParam(event, 'id') || '')
  const clip = getClip(owner, id)
  assertFolderAccess(event, clip.folderId)
  const path = clipVideoPath(owner, clip.id)
  if (!existsSync(path)) {
    throw createError({ statusCode: 404, statusMessage: 'Video file is missing' })
  }
  return sendPathWithRange(event, path, 'video/mp4', {
    'Content-Disposition': `inline; filename="${safeDownloadName(clipTitle(clip))}.mp4"`,
    'Cache-Control': 'private, max-age=0, must-revalidate'
  })
})