module Vimpack
  module Commands
    class Install < Command

      def initialize_commands
        die!("install requires at least one script name argument") unless @commands.size >= 0
        @script_names = @commands
      end

      def run
        @script_names.each do |script_name|
          begin
            script = Vimpack::Models::Script.get(script_name)
          rescue Vimpack::Models::Script::ScriptNotFound
            exit_with_did_you_mean!(script_name)
          end
          say(" * installing #{script.name}")
          script.install!
          say("#{script.name} (#{script.version}) installed!")
        end
      end

      private

        def exit_with_did_you_mean!(script_name)
          possible = Vimpack::Models::Script.search(script_name).first rescue nil
          return possible.nil? ?
            exit_with_error!('Script not found!') :
            exit_with_error!("Script not found! Did you mean #{possible.name}?")
        end

    end
  end
end