#!/usr/bin/env ruby
# frozen_string_literal: true

# give a replacement version of a file replacing found UUIDs,
# preserving multiple instances that might indicate relations

require 'active_support/all'
require 'pry'

file_path = $ARGV.first

abort 'Specify the file to replace' unless file_path.present?

matcher = /[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}/
content = File.read(file_path)

puts '==== Old content ===='
puts content
puts "--------------------------\n\n"
uuids = content.scan(matcher).uniq
uuids.each do |uuid|
  content.gsub! uuid, SecureRandom.uuid
end
puts '==== New content ===='
puts content