require "gettext_simple_rails/engine"
require "string-cases"

module GettextSimpleRails
  def self.const_missing(name)
    require "#{::File.dirname(__FILE__)}/gettext_simple_rails/#{::StringCases.camel_to_snake(name)}"
    raise LoadError, "Still not loaded: '#{name}'." unless ::GettextSimpleRails.const_defined?(name)
    return ::GettextSimpleRails.const_get(name)
  end
  
  def self.translation_dir
    return "#{Rails.root}/lib/gettext_simple_rails"
  end
  
  def self.write_recursive_translations(fp, translations, pre_path = [])
    if translations.is_a?(Hash)
      translations.each do |key, val|
        newpath = pre_path + [key]
        write_recursive_translations(fp, val, newpath)
      end
    elsif translations.is_a?(Array)
      translations.each do |val|
        newpath = pre_path + [val]
        write_recursive_translations(fp, val, newpath)
      end
    elsif translations.is_a?(String) || translations.is_a?(Fixnum)
      fp.puts "    _('#{pre_path.join(".")}')"
    else
      raise "Unknownt class: '#{translations.class.name}'."
    end
  end
  
  class Translators
    def self.const_missing(name)
      require "#{::File.dirname(__FILE__)}/gettext_simple_rails/translators/#{::StringCases.camel_to_snake(name)}"
      raise LoadError, "Still not loaded: '#{name}'." unless ::GettextSimpleRails::Translators.const_defined?(name)
      return ::GettextSimpleRails::Translators.const_get(name)
    end
    
    def self.load_all
      result = []
      
      path = "#{File.dirname(__FILE__)}/gettext_simple_rails/translators"
      Dir.foreach(path) do |file|
        next unless match = file.match(/^(.+_translator)\.rb$/)
        require "#{path}/#{file}"
        
        class_name = StringCases.snake_to_camel(match[1])
        clazz = ::GettextSimpleRails::Translators.const_get(class_name)
        
        result << {
          :path => path,
          :file => file,
          :class => clazz
        }
      end
      
      return result
    end
  end
end