#!/usr/bin/env ruby

require 'fileutils'
include FileUtils

require File.dirname(__FILE__) + "/../config/environment"

# RAILS_ROOT is just one up
RAILS_ROOT = File.expand_path(File.dirname(__FILE__) + '/..')
include Mailr::Localization


# goto RAILS_ROOT so we can address all files relatively from there
Dir.chdir(RAILS_ROOT)

# directories and extensions to harvest
dirpattern = '{app,components,lib}'
extpattern = 'r{b,html,xml}'

total_replacements = 0

Dir.glob("#{dirpattern}/**/*.#{extpattern}").each do |f|
  next if f == 'lib/localization.rb'
  puts "Scanning file #{f}"
  fc = ""
  re = /l[ ]?\(\:([a-z0-9\_\-]*)[ ]?\)/
  File.open(f, "r").each_line { |line| fc << line}
  has_replacements = 0	
  # remeber that it will not work if there are localized messages with parameters
  # e.g. l(:key, param1, param2) - this should be fixed locally with:
  # sprintf(_('message'), param1, param2
  fc = fc.gsub(re) { |match| 
  		result = ""
  		has_replacements = has_replacements + 1
  		total_replacements = total_replacements + 1
  		match.scan(re) { |token| 
    		result = "_('"<<eval("l(:#{token})").gsub("'", "\\'") << "')"
    	}
    	result 	
  	}
  f = File.open(f, "w")
  f << fc
  f.close
  puts "... #{has_replacements} replacements made." if has_replacements > 0
end

puts "Done - #{total_replacements} total replacements made."