#!/usr/bin/env ruby

require 'uri'
require 'open3'

BASE_DIR = '/home/wasa/fallkiste/'.freeze

def die(msg)
  STDERR.puts(msg)
  exit(1)
end

die('Usage: permalink FILE1 ...') if ARGV.empty?
ARGV.each do |file|
  f = File.expand_path(file)
  next unless File.fnmatch("#{BASE_DIR}**", f)
  name = f.split(BASE_DIR)[1]
  url = URI.join('https://x32.be/', URI.encode_www_form_component(name))
           .to_s.gsub('%2F', '/')
  Open3.popen2('xclip') do |stdin, _, _|
    stdin.print url
  end
  Open3.popen2('xclip', '-selection', 'clipboard') do |stdin, _, _|
    stdin.print url
  end
  puts url
end