// File storage service for marketing kit assets
// This is a placeholder implementation

interface FileUploadResult {
  url: string;
  success: boolean;
  error?: string;
}

class FileStorageService {
  /**
   * Upload a file buffer and return the URL
   * In production, this would integrate with AWS S3, Google Cloud Storage, etc.
   */
  async uploadFile(buffer: Buffer, fileName: string): Promise<string> {
    // TODO: Implement actual file upload to cloud storage
    // For now, return a placeholder URL
    return `/api/files/marketing-kit/${fileName}`;
  }

  /**
   * Upload a data URL (base64) and return the URL
   */
  async uploadDataUrl(dataUrl: string, fileName: string): Promise<string> {
    // TODO: Convert data URL to buffer and upload
    // For now, return a placeholder URL
    return `/api/files/marketing-kit/${fileName}`;
  }

  /**
   * Create a temporary URL for file download
   */
  async createTemporaryUrl(fileName: string, expiresInMinutes: number = 60): Promise<string> {
    // TODO: Create signed URL with expiration
    return `/api/files/marketing-kit/temp/${fileName}?expires=${Date.now() + (expiresInMinutes * 60 * 1000)}`;
  }

  /**
   * Delete a file from storage
   */
  async deleteFile(fileName: string): Promise<boolean> {
    // TODO: Implement file deletion
    return true;
  }

  /**
   * Get file metadata
   */
  async getFileInfo(fileName: string): Promise<{
    size: number;
    lastModified: Date;
    contentType: string;
  } | null> {
    // TODO: Get actual file metadata
    return null;
  }
}

export const fileStorageService = new FileStorageService();