require 'rubygems'
require 'rubigen'
require 'rubigen/scripts/generate'

class RtmlGenerator < RubiGen::Base

  DEFAULT_SHEBANG = File.join(Config::CONFIG['bindir'],
                              Config::CONFIG['ruby_install_name'])

  default_options :author => nil

  attr_reader :name

  def initialize(runtime_args, runtime_options = {})
    super
    usage if args.empty?
    @destination_root = File.expand_path(args.shift)
    @name = base_name
    extract_options
  end

  def manifest
    src = File.join(File.dirname(__FILE__), "templates/rtml")
    dst = "vendor/plugins/rtml"
    record do |m|
      Dir[File.join(File.dirname(__FILE__), "templates/rtml/**/*")].each do |source|
        destination = File.join(dst, source.sub(/^#{Regexp::escape src}/, ''))
        if File.directory?(source)
          m.directory destination
        elsif File.file?(source)
          m.file File.join('rtml', source.sub(/^#{Regexp::escape src}/, '')), destination
        end
      end

      m.file "rtml_template.rb", "rtml_template.rb"

#      m.dependency "install_rubigen_scripts", [destination_root, 'rtml'],
#        :shebang => options[:shebang], :collision => :force
    end
  end

  protected
    def banner
      <<-EOS
Creates a ...

USAGE: #{spec.name} name
EOS
    end

    def add_options!(opts)
      opts.separator ''
      opts.separator 'Options:'
      # For each option below, place the default
      # at the top of the file next to "default_options"
      # opts.on("-a", "--author=\"Your Name\"", String,
      #         "Some comment about this option",
      #         "Default: none") { |o| options[:author] = o }
      opts.on("-v", "--version", "Show the #{File.basename($0)} version number and quit.")
    end

    def extract_options
      # for each option, extract it into a local variable (and create an "attr_reader :author" at the top)
      # Templates can access these value via the attr_reader-generated methods, but not the
      # raw instance variable value.
      # @author = options[:author]
    end

    # Installation skeleton.  Intermediate directories are automatically
    # created so don't sweat their absence here.
    BASEDIRS = %w(
      lib
      log
      script
      test
      tmp
    )
end