#!/usr/bin/guile \
--debug -s
!#

(use-modules (dolcon ui))
(use-modules (ice-9 popen))
(use-modules (ice-9 pretty-print))

(define (flush port)
  (force-output port))

(define idlist '())
(define filter '())
(define (filtered tag filter)
  (and (pair? filter)
       (or (equal? (car filter) (substring tag 0 (min (string-length (car filter)) (string-length tag))))
	   (filtered tag (cdr filter)))))
(catch 'system-error
       (lambda ()
	 (let ((port (open-input-file (string-append (getenv "HOME") "/.dctrmon-defines"))) (form #f))
	   (while (begin (set! form (read port)) (not (eof-object? form)))
		  (primitive-eval form))))
       (lambda args
	 #f))


(define krbcc (string-append "/tmp/krb5cc_dcmon_" (number->string (getuid)) "_XXXXXX"))
(close-port (mkstemp! krbcc))
(setenv "KRB5CCNAME" (string-append "FILE:" krbcc))
(sigaction SIGCHLD SIG_DFL)
(define pid (primitive-fork))
(if (= pid 0)
    (begin (execlp "kinit" "kinit" "-f" "-r" "10d" "-k" "-t" (string-append (getenv "HOME") "/.myprinc.keytab") (string-append (passwd:name (getpwuid (getuid))) "/dcview"))
	   (exit 1))
    (if (not (= (cdr (waitpid pid)) 0))
	(exit 1)))
(dc-c&l #f (getenv "DCSERVER") #t)
(delete-file krbcc)

(dc-ecmd-assert 200 "notify" "all" "on")

(display "C\n")

(let ((resp (dc-ecmd-assert '(200 201) "lstrans")))
  (if (and resp (= (cdr (assoc 'code (dc-extract resp))) 200))
      (for-each (lambda (o)
		  (if (= (cadr o) 2)
		      (catch 'bad-return
			     (lambda ()
			       (for-each (lambda (a)
					   (if (and (equal? (car a) "tag") (filtered (cadr a) filter))
					       (begin
						 (display (string-append "N\t" (cadr a) "\t" (number->string (list-ref o 6)) "\t" (number->string (list-ref o 7)) "\n"))
						 (set! idlist (append idlist (list (cons (car o) (cadr a))))))))
					 (dc-intall (dc-ecmd-assert 200 "lstrarg" (car o)))))
			     (lambda args #f))))
		(dc-intall resp))))

(flush (current-output-port))

(while #t
       (dc-select 10000)
       (while (let ((resp (dc-getresp)))
		(if resp
		    (begin
		      (let* ((er (dc-extract resp)) (code (cdr (assoc 'code er))) (cmd (cdr (assoc 'cmd er))) (ir (dc-intresp resp)))
			(if (equal? cmd ".notify")
			    (case code
			      ((610)
			       (let* ((id (car ir)) (ir2 (dc-intall (dc-ecmd-assert '(200 201) "lstrarg" id))) (tag (if (eq? (car ir2) '()) #f (assoc "tag" ir2))))
				 (if (and tag (filtered (cadr tag) filter))
				     (begin (display (string-append "N\t" (cadr tag) "\t-1\t-1\n"))
					    (flush (current-output-port))
					    (set! idlist (append idlist (list (cons (car ir) (cadr tag)))))))))
			      ((613)
			       (let ((id (car ir)))
				 (if (assoc id idlist)
				     (begin (display (string-append "S\t" (cdr (assoc id idlist)) "\t" (number->string (cadr ir)) "\n"))
					    (flush (current-output-port))))))
			      ((615)
			       (let ((id (car ir)))
				 (if (assoc id idlist)
				     (begin (display (string-append "P\t" (cdr (assoc id idlist)) "\t" (number->string (cadr ir)) "\n"))
					    (flush (current-output-port))))))
			      ((617)
			       (let ((id (car ir)))
				 (if (assoc id idlist)
				     (begin (display (string-append "D\t" (cdr (assoc id idlist)) "\n"))
					    (flush (current-output-port)))))))))
		      #t)
		    #f)) #f))

(dc-disconnect)