class DustAlbumsGenerator < Rails::Generator::Base
  
  def manifest
		record do |m|
			app(m)
			migrations(m)
			css(m)
			javascript(m)
			images(m)
			initializers(m)
			routes(m)
			
			m.readme 'README'
    end
  end

	def app(m)
		m.template "app/controllers/albums_controller.rb", "app/controllers/albums_controller.rb"
		m.template "app/controllers/photos_controller.rb", "app/controllers/photos_controller.rb"
		m.template "app/controllers/view_albums_controller.rb", "app/controllers/view_albums_controller.rb"

		m.template "app/helpers/albums_helper.rb", "app/helpers/albums_helper.rb"
		m.template "app/helpers/photos_helper.rb", "app/helpers/photos_helper.rb"
		m.template "app/helpers/view_albums_helper.rb", "app/helpers/view_albums_helper.rb"

		m.template "app/models/album.rb", "app/models/album.rb"
		m.template "app/models/photo.rb", "app/models/photo.rb"
		
		photos_dir = File.join(@source_root, 'app', 'views', 'photos')
		albums_dir = File.join(@source_root, 'app', 'views', 'albums')
		view_albums_dir = File.join(@source_root, 'app', 'views', 'view_albums')
    dst_dir = File.join(RAILS_ROOT, 'app', 'views')

    FileUtils.cp_r photos_dir, dst_dir, :verbose => true
    FileUtils.cp_r albums_dir, dst_dir, :verbose => true
    FileUtils.cp_r view_albums_dir, dst_dir, :verbose => true
	end
	
	def migrations(m)
		m.migration_template "migration/albums_migration.rb", "db/migrate", :migration_file_name => "create_albums"
	end
	
	def css(m)
		m.template "stylesheets/dust_album.css", "public/stylesheets/dust_album.css"  
    m.template "stylesheets/uploadify.css", "public/stylesheets/uploadify.css"
		m.template "stylesheets/dust_album_app.css", "public/stylesheets/dust_album_app.css"
	end
	
	def javascript(m)
		m.template "javascript/dragsort.js", "public/javascripts/dragsort.js"
		m.template "javascript/dust_album.js", "public/javascripts/dust_album.js"
		
		src_dir = File.join(@source_root, 'javascript', 'uploadify')
    dst_dir = File.join(RAILS_ROOT, 'public', 'javascripts')

    FileUtils.cp_r src_dir, dst_dir, :verbose => true
	end
	
	def images(m)
		m.template "images/cancel.png", "public/images/cancel.png"
		m.template "images/browse.png", "public/images/browse.png"
		m.template "images/upload.png", "public/images/upload.png"
		m.template "images/save_position.png", "public/images/save_position.png"		
	end
	
	def initializers(m)
		m.template "initializers/flash_session_cookie_middleware.rb", "config/initializers/flash_session_cookie_middleware.rb"
		m.template "initializers/session_store_middleware.rb", "config/initializers/session_store_middleware.rb"
	end
	
	def routes(m)
		m.route :name => 'view_albums',
		        			:url => 'all/albums',
		      				:controller => 'view_albums',
		              :action => 'index'
		m.route :name => 'view_album',
		        			:url => 'photos-for/:filename',
		              :controller => 'view_albums',
		              :action => 'show'
		m.route :name => 'manage_photos',
									:url => 'manage-photos/:id',
		              :controller => 'albums',
		              :action => 'manage'
		
		m.route_resources 'photos'
		m.route_resources 'albums'
	end
  
end

module Rails
  module Generator
    module Commands

      class Base
        def route_code(route_options)
          "map.#{route_options[:name]} '#{route_options[:url]}', :controller => '#{route_options[:controller]}', :action => '#{route_options[:action]}'"
        end
      end

				# Here's a readable version of the long string used above in route_code;
				# but it should be kept on one line to avoid inserting extra whitespace
				# into routes.rb when the generator is run:
				# "map.#{route_options[:name]} '#{route_options[:name]}',
				#     :controller => '#{route_options[:controller]}',
				#     :action => '#{route_options[:action]}'"

      class Create
        def route(route_options)
          sentinel = 'ActionController::Routing::Routes.draw do |map|'
          logger.route route_code(route_options)
          gsub_file 'config/routes.rb', /(#{Regexp.escape(sentinel)})/mi do |m|
              "#{m}\n  #{route_code(route_options)}\n"
          end
        end
      end

      class Destroy
        def route(route_options)
          logger.remove_route route_code(route_options)
          to_remove = "\n  #{route_code(route_options)}"
          gsub_file 'config/routes.rb', /(#{to_remove})/mi, ''
        end
      end

    end
  end
end