.env.companion

#!/usr/bin/env node

/**
 * Custom key generator for Uppy Companion
 * This file implements the /CLIENT/PROJECT/filename structure for S3 uploads
 * 
 * File Structure:
 * - CLIENT - The client's name or code (spaces replaced with underscores)
 * - PROJECT - The project name (spaces replaced with underscores)
 * - filename - The original filename with UUIDs stripped
 * 
 * Example: "Client_Name/Project_Name/original_filename.mp4"
 */

// This function will be used by Companion to generate clean keys for S3 uploads
// It strips out UUIDs and organizes files by client and project folders
// Reference: https://uppy.io/docs/companion/#s3-storage
function stripUuid(req, filename) {
  // Extract client and project info from request metadata
  const clientName = req.body && req.body.metadata ? req.body.metadata.client : 'default';
  const projectName = req.body && req.body.metadata ? req.body.metadata.project : 'default';
  
  // Normalize the client code and project name (replace spaces with underscores)
  // Exactly matching the backend s3Service.generateKey function logic
  const normalizedClientCode = clientName ? clientName.replace(/\s+/g, '_') : 'default';
  const normalizedProjectName = projectName ? projectName.replace(/\s+/g, '_') : 'default';
  
  // Strip out the UUID pattern from the filename
  // This regex matches UUIDs in standard formats: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx-
  const filenameWithoutUuid = filename.replace(/([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}-)/gi, '');
  
  // Ensure the filename is valid for S3 but preserve the original name as much as possible
  // Only replace characters that are invalid for S3 keys
  const safeName = filenameWithoutUuid.replace(/[\/\\:*?"<>|]/g, '_');
  
  // Log the transformation for debugging
  console.log(`Original filename: ${filename}`);
  console.log(`Clean filename without UUID: ${safeName}`);
  
  // Create the key using the /CLIENT/PROJECT/filename structure
  // This ensures files are organized consistently in S3 storage
  const key = `${normalizedClientCode}/${normalizedProjectName}/${safeName}`;
  console.log(`Generated S3 key: ${key}`);
  
  return key;
}

module.exports = { stripUuid };