;;
;; member2-record.scm
;;
;; Procedures working with complete member record (as loaded by the
;; members-base).
;;
;; ISC License
;;
;; Copyright 2023 Brmlab, z.s.
;; Dominik Pantůček <dominik.pantucek@trustica.cz>
;;
;; Permission to use, copy, modify, and/or distribute this software
;; for any purpose with or without fee is hereby granted, provided
;; that the above copyright notice and this permission notice appear
;; in all copies.
;; 
;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;;

(declare (unit member2-record))

(module
 member2-record
 (
  make-member-record
  member-record-input-file
  member-record-set
  member-record-add-highlight
  member-record-tests!
  )

 (import scheme
	 (chicken base)
	 (chicken keyword)
	 dictionary
	 testing)

 ;; Creates new member record based on the file and symlinks
 ;; information received from the members directory. Any keyword
 ;; arguments are converted to respective symbols in the dictionary.
 (define (make-member-record file-name file-path symlinks . args)
   (let loop ((args args)
	      (pairs `((file-name . ,file-name)
		       (file-path . ,file-path)
		       (symlinks . ,symlinks))))
     (if (null? args)
	 (make-dict pairs)
	 (if (not (keyword? (car args)))
	     (error 'make-member-record "Optional arguments must be keywords" (car args))
	     (if (null? (cdr args))
		 (error 'make-member-record "Each optional keyword argument must have a value" (car args))
		 (loop (cddr args)
		       (cons (cons (string->symbol (keyword->string (car args)))
				   (cadr args))
			     pairs)))))))

 ;; Returns opened input file for this record (used by parser).
 (define (member-record-input-file mr)
   (open-input-file
    (dict-ref mr 'file-path)))

 ;; Sets pairs of keys/values for given member record.
 (define (member-record-set mr . args)
   (let loop ((args args)
	      (mr mr))
     (if (null? args)
	 mr
	 (if (not (keyword? (car args)))
	     (error 'member-record-set "Needs argument keyword" (car args))
	     (if (null? (cdr args))
		 (error 'member-record-set "Argument needs value" (car args))
		 (loop (cddr args)
		       (dict-set mr (string->symbol (keyword->string (car args)))
				 (cadr args))))))))

 ;; Adds highlight identified by line number, message, pass number and
 ;; type (error, warning, info).
 (define (member-record-add-highlight mr line-number message pass type)
   (dict-set mr 'highlights
	     (cons (list line-number message pass type)
		   (dict-ref mr 'highlights '()))))

 ;; Self-tests
 (define (member-record-tests!)
   (run-tests
    member-record
    (test-equal? make-member-record
		 (make-member-record "1234" "members/1234" '("member"))
		 '((file-name . "1234")
		   (file-path . "members/1234")
		   (symlinks "member")))
    (test-equal? make-member-record
		 (make-member-record "1234" "members/1234" '("member") #:id 1234)
		 '((id . 1234)
		   (file-name . "1234")
		   (file-path . "members/1234")
		   (symlinks "member")))
    (test-equal? member-record-set
		 (member-record-set '() #:id 1234)
		 '((id . 1234)))
    (test-equal? member-record-add-highlight
		 (member-record-add-highlight '() 123 "Interesting..." 0 'info)
		 '((highlights . ((123 "Interesting..." 0 info)))))
    ))

 )

(import member2-record)

(member-record-tests!)