module ExtJS
  module MVC
    module Generator
      class Base
        
        TEMPLATE_PATH = "#{File.dirname(__FILE__)}/templates"
                                
        def initialize *args
          @gsubs ||= {}
          @gsubs['namespace']  = ExtJS::MVC.environment['namespace']
        end

        protected
        def ensure_directories_present! *args
          args.each do |a|
            Dir.mkdir(a) unless File.exists?(a)
          end
        end

        def ensure_no_overwrite! *args
          args.each do |a|
            if File.exists?(a) && !ARGV.include?("--force")
              raise ExtJS::MVC::FileExists.new("File already exists: #{a}")
            end
          end
        end

        def template(template_filename, destination_filename)
          #write the file
          File.open(destination_filename, 'w') {|f| f.puts(render_template(template_filename))}
  
          ExtJS::MVC.ui.confirm(" Created #{destination_filename}")
        end

        def render_template(template_filename, gsubs = @gsubs)
          #grab the template file text
          template_text = IO.read("#{TEMPLATE_PATH}/#{template_filename}")
  
          #translate the template file text
          gsubs.each_pair do |key, value|
            template_text.gsub!(Regexp.new("<%= @#{key} %>"), value)
          end
  
          template_text
        end

        def include_script html_filename, script_filename, dom_id
  
        end
      end
    end
  end
end