module Styleyt
  module StyleytHelper

    #
    # Path to the sass template directory
    #
    SASS_TEMPLATES_DIRECTORY = '../../../templates/stylesheets'

    #
    # Path to the preview directory
    #
    PREVIEW_DIRECTORY = '../../../templates/preview'

    COMPILED_PREVIEW_DIRECTORY = PREVIEW_DIRECTORY + '/compiled'

    HAML_FILES = '*.haml'
    SASS_FILES = '*.s[c|a]ss'

    #
    # Asks which theme should be used
    #
    def ask_for_theme
      theme = ask "Available themes: #{available_themes}\nWhich theme would you like to install?"
      theme = 'default' if theme.empty?

      theme
    end

    #
    # Returns the available themes
    #
    def available_themes
      Dir.chdir(File.join(File.dirname(__FILE__), SASS_TEMPLATES_DIRECTORY, 'themes')) do
        Dir.glob("*").join(',')
      end
    end

    #
    # Returns the theme directories
    #
    def theme_directory(theme)
      File.join(File.dirname(__FILE__), SASS_TEMPLATES_DIRECTORY, 'themes', theme)
    end

    #
    # Returns the source route directory
    #
    def src_root_dir
      File.join(File.dirname(__FILE__), SASS_TEMPLATES_DIRECTORY)
    end

    
    #
    # Returns the filename without any extensions
    #
    def remove_file_suffix(file)
      file.split('.').first
    end
    
  end
end