require 'repertoire/media/media'
require 'repertoire/extensions/meta'
require 'repertoire/compat'

module Repertoire
  module Media
    module Type
      def self.included(base)
        base.meta_def(:name) do
          @name ||= nil
        end

        base.meta_def('name=') do |name|
          @name = name.to_sym
        end

        base.meta_def(:schemes) do
          @schemes ||= []
        end

        base.meta_def(:directory) do
          @directory ||= nil
        end

        base.meta_def('directory=') do |dir|
          @directory = dir.to_s
        end

        base.module_eval do

          protected

          #
          # Register a Media type with the specified _names_.
          #
          #   known_as :svn
          #
          def self.known_as(name)
            name = name.to_sym

            self.name = name
            Media.types[name] = self
          end

          #
          # Register a Media type for the specified _schemes_.
          #
          #   uses_schemes 'cvs'
          #
          #   uses_schemes 'svn', 'svn+ssh'
          #
          def self.uses_schemes(*schemes)
            schemes.each do |scheme|
              scheme = scheme.to_s

              self.schemes << scheme
              Media.schemes[scheme] = self
            end
          end

          #
          # Registers a Media type that uses the directory of the specified
          # _name_ to store media information.
          #
          #   uses_directory '.svn'
          #
          def self.uses_directory(name)
            name = name.to_s

            self.directory = name
            Media.directories[name] = self
          end

          #
          # See Compat.sh.
          #
          def self.sh(program,*args)
            Compat.sh(program,*args)
          end
        end
      end
    end
  end
end