class CopyTunerClient::TranslationLog

def self.add(key, result)
  translations[key] = result if initialized? && !translations.key?(key)
end

def self.clear
  Thread.current[:translations] = {}
end

def self.initialized?
  !Thread.current[:translations].nil?
end

def self.install_hook
  I18n.class_eval do
    class << self
      def translate_with_copy_tuner_hook(*args)
        key = args[0]
        options  = args.last.is_a?(Hash) ? args.last : {}
        scope = options[:scope]
        scope = scope.dup if scope.is_a?(Array) || scope.is_a?(String)
        result = translate_without_copy_tuner_hook(*args)
        if key.is_a?(Array)
          key.zip(result).each { |k, v| CopyTunerClient::TranslationLog.add(I18n.normalize_keys(nil, k, scope).join('.'), v) unless v.is_a?(Array) }
        else
          CopyTunerClient::TranslationLog.add(I18n.normalize_keys(nil, key, scope).join('.'), result) unless result.is_a?(Array)
        end
        result
      end
      if CopyTunerClient.configuration.enable_middleware?
        alias_method :translate_without_copy_tuner_hook, :translate
        alias_method :translate, :translate_with_copy_tuner_hook
        alias :t :translate
      end
    end
  end
end

def self.translations
  Thread.current[:translations]
end

def translate_with_copy_tuner_hook(*args)
  key = args[0]
  options  = args.last.is_a?(Hash) ? args.last : {}
  scope = options[:scope]
  scope = scope.dup if scope.is_a?(Array) || scope.is_a?(String)
  result = translate_without_copy_tuner_hook(*args)
  if key.is_a?(Array)
    key.zip(result).each { |k, v| CopyTunerClient::TranslationLog.add(I18n.normalize_keys(nil, k, scope).join('.'), v) unless v.is_a?(Array) }
  else
    CopyTunerClient::TranslationLog.add(I18n.normalize_keys(nil, key, scope).join('.'), result) unless result.is_a?(Array)
  end
  result
end