#!/usr/bin/env ruby
# yaml2po, for converting RoR translation YAML to the standard gettext
#          for eventual use with a translation site such as Transifex
# Use:
#  - To create a 'master' .pot
#    yaml2po > translations.pot
#  - To create a language's .po from scratch
#    yaml2po > de.po
#  - To create a partucular language's .po from existing translations
#    yaml2po de > de.po

require "yaml"

LOCALE_DIR = File.dirname(__FILE__) + '/../../config/locales/'

def iterate(hash, fhash={}, path='')
  hash.each {|key, val|
    unless fhash.has_key? key
     fhash[key] = {}
    end
    if val.is_a? Hash
      iterate(val, fhash[key], path+key+':')
    else
      puts "msgctxt \"#{path}#{key}\""
      puts "msgid \"#{val}\""
      puts "msgstr \"#{fhash[key]}\""
    end
  }
end

language = ARGV[0]
oth = {}
if language
  oth = YAML::load_file(LOCALE_DIR+language+'.yml')
  oth = oth[language]
end

en = YAML::load_file(LOCALE_DIR+'en.yml')
iterate(en['en'], oth)