module Capistrano
  module Helpers
    ##
    # Helper functions for monit
    #
    module Monit
      ##
      # Control / Command monit with given arguments
      def command_monit(command, arguments = '')
        execute :sudo, :monit, "#{arguments} #{command}"
      end

      ##
      # Control / Command a monit group
      # namescheme: user_application_environment "#{user}_#{application}_#{environment}"
      #
      def command_monit_group(command, arguments = '')
        command_monit(command, "-g #{fetch(:monit_application_group_name)} #{arguments}")
      end

      ##
      # Command a single monit service
      #
      # The service name scheme is recommended to be
      # "#{user}_#{application}_#{environment}_#{service}"
      #
      def command_monit_service(command, service_name, arguments = '')
        execute :sudo, :monit, "#{arguments} #{command} #{service_name}"
      end

      ##
      # The service name is the same as the conf file name for the service.
      # E.g. puma.conf
      #
      # This will symlink the service to enabled service, but not start or reload monit configuration
      #
      def enable_monitor(service_conf_filename)
        return unless test("[ ! -h #{File.join(fetch(:monit_enabled_path), service_conf_filename)} ]")
        execute :ln, "-sf #{File.join(fetch(:monit_available_path), service_conf_filename)} #{File.join(fetch(:monit_enabled_path), service_conf_filename)}" # rubocop:disable Metrics/LineLength:
      end

      def disable_monitor(service_conf_filename)
        execute :rm, "-f #{File.join(fetch(:monit_enabled_path), service_conf_filename)}"
      end
    end
  end
end