export interface Song {
  id: string;
  title: string;
  duration: string;
  previewUrl: string; // URL to 30-second preview
  fullUrl: string; // URL to full song (locked until purchase)
}

export interface Album {
  id: string;
  title: string;
  coverImage: string;
  year: number;
  genre: string;
  price: number;
  description: string;
  songs: Song[];
}

export interface Purchase {
  id?: number;
  albumId: string;
  transactionId: string;
  customerName?: string;
  email?: string;
  phoneNumber?: string;
  txReceipt?: string;
  purchaseDate: Date | number;
}