(define-module (glicid services authentication)
  #:use-module (gnu services)
  #:use-module (gnu services shepherd)
  #:use-module (guix)
  #:use-module (guix records)
  #:use-module (ice-9 match)
  #:use-module (gnu packages sssd)
  #:use-module (glicid system file-systems)
  #:export (
    sssd-configuration
    sssd-configuration?
    sssd-service
    sssd-service-type
  )
)

(define-record-type* <sssd-configuration>
  sssd-configuration make-sssd-configuration sssd-configuration?
  (sssd-pkg sssd-pkg
    (default sssd)
  )
  (sssd-conf sssd-conf
    (default (file-append sssd-pkg "/lib/sssd/conf/sssd.conf"))
  )
  (sssd-logger sssd-logger
    (default "stderr")
  )
  (sssd-debug-level sssd-debug-level
    (default #f)
  )
  (log-file log-file
    (default "/var/log/sssd/sssd.log")
  )
)

(define sssd-service
  (match-lambda
    (($ <sssd-configuration> sssd-pkg sssd-conf sssd-logger sssd-debug-level log-file)
      (list
        (shepherd-service
          (provision '(sssd) )
          (documentation "Run sssd.")
          (requirement '(
            user-processes
          ))
          (respawn? #t)
          (start #~(make-forkexec-constructor
            (list
              #$(file-append sssd-pkg "/sbin/sssd")
;              "--interactive"
              (string-append "--config=" sssd-conf)
              (string-append "--logger=" sssd-logger)
              #$@(if sssd-debug-level
                list (string-append "--debug-level=" sssd-debug-level)
                '()
              )
            )
            #:log-file #$log-file
          ))
          (stop #~(make-kill-destructor))
        )
      )
    )
  )
)

(define %sssd-activation
  (with-imported-modules '((guix build utils))
    #~(begin
        (use-modules (guix build utils))
        (define (touch file-name)
          (call-with-output-file file-name (const #t))
        )
        (mkdir-p "/var/log/sssd")
        (mkdir-p "/var/lib/sssd")
        #t
    )
  )
)

(define sssd-service-type
  (service-type (name 'sssd)
    (extensions 
      (list
        (service-extension shepherd-root-service-type sssd-service)
        (service-extension activation-service-type (const %sssd-activation))
      )
    )
    (description "Run sssd")
  )
)