;;
;; member-print.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 member-print))

(module
 member-print
 (
  print-member-info
  print-member-table
  print-member-source
  )

 (import scheme
	 (chicken base)
	 (chicken string)
	 (chicken sort)
	 (chicken format)
	 dictionary
	 member-record
	 month
	 utils
	 table
	 listing
	 ansi)

 ;; Prints human-readable information
 (define (print-member-info mr)
   (let* ((id (dict-ref mr 'id))
	  (aliases (dict-ref mr 'symlinks))
	  (info (dict-ref mr 'info))
	  (sinfo (sort info
		       (lambda (a b)
			 (string<?
			  (symbol->string (car a))
			  (symbol->string (car b)))))))
     (print "User " id " alias(es): "
	    (string-intersperse
	     (map symbol->string aliases)
	     ", "))
     (when (member-suspended? mr)
       (print "  Suspended for " (member-suspended-months mr) " months."))
     (newline)
     (let loop ((sinfo sinfo))
       (when (not (null? sinfo))
	 (let* ((kv (car sinfo))
		(k (car kv))
		(v (cdr kv)))
	   (loop (cdr sinfo)))))))

 ;; Prints nicely formatted table
 (define (print-member-table mr)
   (let* ((aliases (dict-ref mr 'symlinks))
	  (head (list (list "ID:" (member-id mr))
		      (list (sprintf "Alias~A:" (if (> (length aliases) 1) "es" ""))
			    (string-intersperse (map symbol->string aliases) ", "))
		      (if (member-suspended? mr)
			  (list "Suspended for:"
				(let ((msm (member-suspended-months mr)))
				  (sprintf "~A month~A" msm
					   (if (> msm 1) "s" ""))))
			  #f)))
	  (info (dict-ref mr 'info))
	  (sikeys (sort (dict-keys info)
			(lambda (a b)
			  (string<?
			   (symbol->string a)
			   (symbol->string b)))))
	  (body (map (lambda (k)
		       (let ((v (dict-ref info k)))
			 (case k
			   ((joined)
			    (list k (month->string v)))
			   ((card desfire credit)
			    (list k 
				  (table->string
				   (map
				    (lambda (c)
				      (list (car c) (cdr c)))
				    v)
				   #:col-border #t)))
			   ((suspend student)
			    (list k
				  (table->string
				   (cons (list "Since" "Until")
					 (map
					  (lambda (p)
					    (list
					     (month->string (car p))
					     (month->string (cdr p))))
					  v))
				   #:col-border #t)))
			   (else
			    (list k v)))))
		     sikeys))
	  (result (filter identity (append head body))))
     (print (table->string result #:table-border #t #:row-border #t #:col-border #t))))

 ;; Nicely prints the member source with any errors recorded.
 (define (print-member-source mr)
   (let* ((lines (dict-ref mr 'source mr))
	  (file-name (dict-ref mr 'file-name))
	  (hls (dict-ref mr 'highlights)))
     (print file-name ":")
     (print-source-listing
      lines
      hls
      -1
      a:error a:default
      "" "" ; Not used
      "..." ; Not used
      )))

 )