require 'rails/generators/migration'
require 'fileutils'

module SeemsRateable
  module Generators
    class InstallGenerator < ::Rails::Generators::Base
      include Rails::Generators::Migration
      source_root File.expand_path('../templates', __FILE__)
  
      def self.next_migration_number(path)
        unless @prev_migration_nr
          @prev_migration_nr = Time.now.utc.strftime("%Y%m%d%H%M%S").to_i
        else
          @prev_migration_nr += 1
        end
      @prev_migration_nr.to_s
      end
      
      def routegen
        route("seems_rateable")
      end
      
      desc "generating migration files"
      def copy_migrations
        migration_template "rates_migration.rb", "db/migrate/create_seems_rateable_rates.rb"
        migration_template "cached_ratings_migration.rb", "db/migrate/create_seems_rateable_cached_ratings.rb"
      end
      
      desc "generating initializer"
      def copy_initializer
        template "initializer.rb", "config/initializers/seems_rateable.rb"
      end
      
      desc "generating javascript files"
      def copy_javascript_asset
        Dir.mkdir "app/assets/javascripts/rateable" unless File.directory?("app/assets/javascripts/rateable")
        copy_file "rateable.js.erb", "app/assets/javascripts/rateable/rateable.js.erb" unless File.exists?("app/assets/javascripts/rateable/rateable.js.erb")
        copy_file "jRating.js.erb", "app/assets/javascripts/rateable/jRating.js.erb" unless File.exists?("app/assets/javascripts/rateable/jRating.js.erb")
      end
    end
  end
end