module Skellington
  class Template
    def initialize name, generator
      @name = name
      @generator = generator
    end

    def outpath
      @outpath ||= begin
        subs = @generator.files[@name]['outpath'].split '/'
        @outpath = "#{@generator.send(subs[1].to_sym)}/#{@name.sub(subs[0], @generator.send(subs[1].to_sym))}"
      rescue NoMethodError
        @outpath = "#{@generator.path}/#{@name}"
      end
    end

    def templates_dir
      File.join File.dirname(__FILE__), '..', 'templates'
    end

    def write
      print "Generating #{outpath}..."
      FileUtils.mkdir_p File.dirname outpath
      f = File.open outpath, 'w'
      f.write self
      f.close
      puts 'done'
    end

    def to_s
      t = File.read(File.open("#{templates_dir}/#{@name}.eruby"))
      Erubis::Eruby.new(t).evaluate(gen: @generator)
    end
  end
end