module Massimo
  class Resource
    attr_reader :source_path, :body
    
    # Creates a new page associated with the given file path.
    def initialize(source_path)
      @source_path = ::Pathname.new(source_path)
      # read and parse the source file
      self.read_source!
    end
    
    # Renders the page using the registered filters.
    def render(locals = {})
      @body
    end
    
    # Gets the resource's file name.
    def file_name
      @source_path.basename.to_s
    end
    
    # Gets the resource type, based on the file's extension
    def resource_type
      @source_path.extname.to_s[1..-1]
    end
    
    # Gets the site instance
    def site
      ::Massimo::Site()
    end
    
    protected
    
      # Reads the source page file, and populates the meta_data and
      # body attributes.
      def read_source!
        raise ::Massimo::MissingResource unless @source_path.exist?
        # try to read it now
        begin
          @line = 1
          @body = @source_path.read
        rescue
          raise ::Massimo::InvalidResource
        end
      end
      
      # Get the options from the Site's config for the current resource type.
      def options_for_resource_type
        self.site.options[self.resource_type.to_sym]
      end
  end
end