export default defineEventHandler((event) => {
  const userAgent = getHeader(event, 'user-agent') || ''

  // Detect if the requesting device is a tablet
  // Android tablets: have "Android" but NOT "Mobile"
  // iPads: older iPads have "iPad" in UA; newer iPadOS 13+ report as "Macintosh"
  const isAndroidTablet = /Android/i.test(userAgent) && !/Mobile/i.test(userAgent)
  const isIPad = /iPad/i.test(userAgent) || (/Macintosh/i.test(userAgent) && /Safari/i.test(userAgent) && /AppleWebKit/i.test(userAgent) && !/Chrome/i.test(userAgent))
  const isTablet = isAndroidTablet || isIPad

  const manifest = {
    name: 'LogShip ERP',
    short_name: 'LogShip',
    description: 'LogShip ERP - Order Management System',
    start_url: '/',
    display: 'standalone',
    background_color: '#ffffff',
    theme_color: '#1a1a1a',
    orientation: isTablet ? 'any' : 'portrait',
    scope: '/',
    icons: [
      { src: '/icon-72x72.png', sizes: '72x72', type: 'image/png', purpose: 'any' },
      { src: '/icon-96x96.png', sizes: '96x96', type: 'image/png', purpose: 'any' },
      { src: '/icon-128x128.png', sizes: '128x128', type: 'image/png', purpose: 'any' },
      { src: '/icon-144x144.png', sizes: '144x144', type: 'image/png', purpose: 'any' },
      { src: '/icon-152x152.png', sizes: '152x152', type: 'image/png', purpose: 'any' },
      { src: '/icon-192x192.png', sizes: '192x192', type: 'image/png', purpose: 'any maskable' },
      { src: '/icon-384x384.png', sizes: '384x384', type: 'image/png', purpose: 'any' },
      { src: '/icon-512x512.png', sizes: '512x512', type: 'image/png', purpose: 'any maskable' }
    ],
    categories: ['business', 'productivity'],
    prefer_related_applications: false
  }

  setHeader(event, 'content-type', 'application/manifest+json')
  return manifest
})