#!/usr/bin/env ruby

require "bundler/setup"
require "distack/urlsign"

key, url = ARGV

if key.nil? || url.nil?
  puts Distack::URLSign.strip_heredoc <<-EOF
    Usage: #{$0} <key> <url>

    Calculates a HMAC signature for the URL using the provided key.
    Prints the url with the _signature parameter.

  EOF

  exit(1)
end

puts Distack::URLSign::Signer.new(key).sign(URI.parse(url))