export interface Note {
  id: string;
  public_key: string;
  encrypted_content: string;
  encrypted_title: string;
  iv: string;
  created_at: number;
  updated_at: number;
}

export interface CreateNoteRequest {
  id: string;
  encrypted_content: string;
  encrypted_title: string;
  iv: string;
}

export interface UpdateNoteRequest {
  encrypted_content: string;
  encrypted_title: string;
  iv: string;
}

export interface SSEClient {
  id: string;
  public_key: string;
  res: import('express').Response;
}

export interface SSEMessage {
  type: 'note_created' | 'note_updated' | 'note_deleted' | 'invitation_received';
  data: Note | { id: string } | Invitation;
}

export interface Invitation {
  id: string;
  from_public_key: string;
  to_public_key: string;
  encrypted_group_key: string;
  iv: string;
  note_id?: string;
  note_title?: string;
  created_at: number;
}

export interface CreateInvitationRequest {
  toPublicKey: string;
  encryptedGroupKey?: string;
  iv?: string;
  noteId?: string;
  noteTitle?: string;
}