export interface Exhibition {
  id: string
  name: string
  venue: string
  address: string
  startsAt: string
  endsAt: string
  description: string
  coverUrl?: string
}

export interface Tag { id: string; name: string; color: string }
export interface ActivityImage { id: string; url: string }
export interface Participant extends CoffeeChatUser { purpose: string; joinedAt: string }
export interface ActivityGroup { id: string; name: string; qrImageUrl: string; note: string }

export interface Activity {
  id: string
  title: string
  description: string
  location: string
  startsAt: string
  endsAt?: string
  capacity?: number
  status: 'upcoming' | 'active' | 'ended'
  exhibition: Exhibition
  images: ActivityImage[]
  tags: Tag[]
  participantCount: number
  participants: Participant[]
  groups: ActivityGroup[]
}

export interface CatalogMeta { exhibitions: Exhibition[]; tags: Tag[] }