# -*- encoding: utf-8 -*-

require "fileutils"

module Genit

  # Create a skeleton project.
  class ProjectCreator
  
    # Sole constructor.
    #
    # name  - The String name of the future project folder.
    def initialize name
      @name = name
    end
    
    # Public: Create the structure of the project, that is many
    # files and folders.
    #
    # Returns nothing.
    def create
      begin
        FileUtils.makedirs @name
        create_dirs ['fragments', 'news', 'pages', 'scripts', 'styles', 'templates', 'www',
                     'styles/alsa', 'styles/yui', 'styles/images']
        copy_files ['templates/main.html', 'templates/menu.html',
                    'pages/index.html', 'styles/handheld.css', 'styles/print.css',
                    'styles/screen.css', 'styles/alsa/all.css', 'styles/yui/all.css', 'styles/yui/base.css',
                    'styles/yui/fonts.css', 'styles/yui/reset.css']
        FileUtils.touch "#{@name}/.genit"
      rescue SystemCallError
        puts "Cannot create project..."
      end
    end
    
    private
    
    # Create some subfolders inside the project folder.
    #
    # a_array - An Array of String subfolder names
    #
    # Examples
    #
    #   create_dirs ['styles', 'scripts']
    #
    #   create_dirs ['styles/css/alsa', 'styles/css/yui', 'styles/css/images']
    #
    # Returns nothing.
    def create_dirs a_array
      a_array.each {|dir| FileUtils.makedirs File.join(@name, dir) }
    end
    
    # Copy files to project.
    #
    # a_array - An Array of String "subfolder/file" names
    #
    # Example
    #
    #   copy_files ['templates/main.html', 'pages/index.html']
    #
    # Returns nothing.
    def copy_files a_array
      a_array.each do |file|
        src = File.join $GENIT_PATH, 'data', file
        dest =  File.join @name, file
        FileUtils.cp src, dest
      end
    end
    
  end

end