carrot/hw

module HW
  class Runner < Thor
    include Base

    def self.start(given_args = ARGV, config = {})
      unless self.is_a_reserved_task?(given_args)
        name = ARGV.first

        if Packages.reserved?(name)
          Packages.register(name, "hw/packages/#{name}")
        else
          Packages.add(name)
        end
      end

      super(given_args, config)
    end

    desc "list", "list available packages"
    def list
      Packages.formatted_list
    end

    desc "add_source <name> <source>", "Add a source to ~/.hw/config"
    def add_source name, source
      Sources.add(name, source)
    end

    desc "update", "Update installed packages"
    method_option :pull, :aliases => "-p", :type => :boolean, :default => "true",  :desc => "Pull from remote sources"
    def update
      header "Updating hw"
      Sources.ensure_defaults 

      if options["pull"]
        Sources.fetch
      else
        warn "Sources not updated"
        info "Remove `-p false` to update your sources"
      end
    end
    
    desc "install", "Update installed packages"
    method_option :pull, :aliases => "-p", :type => :boolean, :default => "true",  :desc => "Pull from remote sources"
    alias :install :update

    no_tasks do
      def self.is_a_reserved_task? args
        ARGV.empty? or reserved?(args) or self.instance_methods(false).include?(args.first.to_sym)
      end
    end
  end
end