module Tay
  module CLI
    class Root < ::Thor
      desc 'minify', 'Minify the CSS and JS of the currently built extension'
      method_option 'tayfile', :type => :string,
        :banner => 'Use the specified tayfile instead of Tayfile'
      method_option 'build-directory', :type => :string, :default => 'build',
        :aliases => '-b', :banner => 'The directory containing the built extension'
      method_option 'skip-js', :type => :boolean, :default => false,
        :banner => "Don't minify *.js files"
      method_option 'skip-css', :type => :boolean, :default => false,
        :banner => "Don't minify *.css files"
      def minify
        unless options['skip-js']
          begin
            require 'uglifier'
            Dir[build_dir.join('**/*.js')].each do |path|
              content = File.read(path)
              File.open(path, 'w') do |f|
                f.write Uglifier.compile(content)
              end
            end
          rescue LoadError
            say('ERROR: please add the uglifier gem to your Gemfile to minfy javascripts', :red)
          end
        end

        unless options['skip-css']
          begin
            require 'yui/compressor'
            Dir[build_dir.join('**/*.css')].each do |path|
              content = File.read(path)
              File.open(path, 'w') do |f|
                f.write YUI::CssCompressor.new.compress(content)
              end
            end
          rescue LoadError
            say('ERROR: please add the yui-compressor gem to your Gemfile to minfy css files', :red)
          end
        end
      end
    end
  end
end