// Fallback values for use_chat_configuration used when the API request fails.
// Keeping a static copy here means an API outage doesn't block attachment
// uploads entirely — users retain the behavior they had before the server
// was the source of truth.
//
// The server is authoritative: if these values drift from the server's
// ChatConfiguration, the server will still reject uploads that exceed its
// own rules. These exist only to give the client something reasonable to
// validate against up-front.

export const FALLBACK_ALLOWED_FILE_EXTENSIONS = [
  '.3ga',
  '.3gp',
  '.aac',
  '.amr',
  '.avi',
  '.bmp',
  '.doc',
  '.docx',
  '.gif',
  '.h263',
  '.h264',
  '.heic',
  '.heif',
  '.jpeg',
  '.jpg',
  '.key',
  '.m4a',
  '.m4b',
  '.m4p',
  '.m4r',
  '.m4v',
  '.mkv',
  '.mov',
  '.mp3',
  '.mp4',
  '.mp4-latm',
  '.mpeg',
  '.mpeg4',
  '.mpg',
  '.numbers',
  '.ogg',
  '.pages',
  '.pdf',
  '.png',
  '.ppt',
  '.pptx',
  '.rtf',
  '.txt',
  '.vcf',
  '.wav',
  '.webm',
  '.webp',
  '.wmv',
  '.xls',
  '.xlsx',
]

// Broad MIME categories covering the extensions in
// FALLBACK_ALLOWED_FILE_EXTENSIONS. Used to constrain native pickers up
// front; final accept/reject still uses the extension list because the
// picker's `type` filter is advisory on iOS and Android.
export const FALLBACK_ALLOWED_MIME_TYPES = [
  'image/*',
  'video/*',
  'audio/*',
  'application/pdf',
  'application/msword',
  'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
  'application/vnd.ms-excel',
  'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
  'application/vnd.ms-powerpoint',
  'application/vnd.openxmlformats-officedocument.presentationml.presentation',
  'application/vnd.apple.pages',
  'application/vnd.apple.numbers',
  'application/vnd.apple.keynote',
  'application/rtf',
  'text/plain',
  'text/rtf',
  'text/vcard',
]

export const FALLBACK_MAX_FILE_SIZE_IN_BYTES = 50 * 1024 * 1024

export const FALLBACK_MAX_ATTACHMENTS_PER_MESSAGE = 10