export type AlbumTag = 'Album' | 'EP' | 'Demo' | 'Deluxe' | 'Single';
export type AudioFormat = 'mp3' | 'm4a' | 'flac' | 'wav';

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[];
  tag: AlbumTag; // EP, Demo, Deluxe, etc.
  format: AudioFormat; // mp3, m4a, flac, wav
  bitrate: string; // e.g., "320kbps", "lossless"
}

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