
;; Copyright 2006-2012, Matthew Welland.
;; 
;; This file is part of Megatest.
;; 
;;     Megatest is free software: you can redistribute it and/or modify
;;     it under the terms of the GNU General Public License as published by
;;     the Free Software Foundation, either version 3 of the License, or
;;     (at your option) any later version.
;; 
;;     Megatest is distributed in the hope that it will be useful,
;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;     GNU General Public License for more details.
;; 
;;     You should have received a copy of the GNU General Public License
;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.


;; (define itemdat '((ripeness    "green ripe overripe")
;; 		     (temperature "cool medium hot")
;; 		     (season      "summer winter fall spring")))

(declare (unit items))
(declare (uses common))
;; (declare (uses debugprint))

(include "common_records.scm")

;; (import debugprint)

;; Puts out all combinations
(define (process-itemlist hierdepth curritemkey itemlist)
  (let ((res '()))
    (if (not hierdepth)
	(set! hierdepth (length itemlist)))
    (let loop ((hed (car itemlist))
	       (tal (cdr itemlist)))
      (if (null? tal)
	  (for-each (lambda (item)
		      (if (> (length curritemkey) (- hierdepth 2))
			  (set! res (append res (list (append curritemkey (list (list (car hed) item))))))))
		    (cadr hed))
	  (begin
	    (for-each (lambda (item)
			(set! res (append res (process-itemlist hierdepth (append curritemkey (list (list (car hed) item))) tal))))
		      (cadr hed))
	    (loop (car tal)(cdr tal)))))
    res))

;; (item-assoc->item-list '(("ANIMAL" "Elephant Lion")("SEASON" "Spring Fall")))
;;   => ((("ANIMAL" "Elephant") ("SEASON" "Spring")) 
;;       (("ANIMAL" "Elephant") ("SEASON" "Fall")) 
;;       (("ANIMAL" "Lion")     ("SEASON" "Spring"))
;;       (("ANIMAL" "Lion")     ("SEASON" "Fall")))
(define (item-assoc->item-list itemsdat)
  (if (and itemsdat (not (null? itemsdat)))
      (let ((itemlst (filter (lambda (x)
			       (list? x))
			     (map (lambda (x)
				    (debug:print 6 *default-log-port* "item-assoc->item-list x: " x)
				    (if (< (length x) 2)
					(begin
					  (debug:print-error 0 *default-log-port* "malformed items spec " (string-intersperse x " "))
					  (list (car x)'()))
					(let* ((name (car x))
					       (items (cadr x))
					       (ilist (list name (if (string? items)
								     (string-split items)
								     '()))))
					  (if (null? ilist)
					      (debug:print-error 0 *default-log-port* "No items specified for " name))
					  ilist)))
				  itemsdat))))
	(let ((debuglevel 5))
	  (debug:print 5 *default-log-port* "item-assoc->item-list: itemsdat => itemlst ")
	  (if (debug:debug-mode 5)
	      (begin
		(pp itemsdat)
		(print " => ")
		(pp itemlst))))
	(if (> (length itemlst) 0)
	    (process-itemlist #f '() itemlst)
	    '()))
      '())) ;; return a list consisting on a single null list for non-item runs
            ;; Nope, not now, return null as of 6/6/2011

;; (item-table->item-list '(("ANIMAL" "Elephant Lion")("SEASON" "Spring Winter")))
;;   => ((("ANIMAL" "Elephant")("SEASON" "Spring"))
;;       (("ANIMAL" "Lion")    ("SEASON" "Winter")))
(define (item-table->item-list itemtable)
  (let ((newlst (map (lambda (x)
		       (if (> (length x) 1)
			   (list (car x)
				 (string-split (cadr x)))
			   (list x '())))
		     itemtable))
	(res     '())) ;; a list of items
    (let loop ((indx    0)
	       (item   '()) ;; an item will be ((KEYNAME1 VAL1)(KEYNAME2 VAL2) ...)
	       (elflag  #f))
      (for-each (lambda (row)
		  (let ((rowname (car row))
			(rowdat  (cadr row)))
		    (set! item (append item 
				       (list 
					(if (< indx (length rowdat))
					    (let ((new (list rowname (list-ref rowdat indx))))
					      ;; (debug:print 0 *default-log-port* "New: " new)
					      (set! elflag #t)
					      new
					      ) ;; i.e. had at least on legit value to use
					    (list rowname "-")))))))
		newlst)
      (if elflag
	  (begin
	    (set! res (append res (list item)))
	    (loop (+ indx 1)
		  '()
		  #f)))
      res)))
            ;; Nope, not now, return null as of 6/6/2011
		
(define (items:check-valid-items class item)
  (let ((valid-values (let ((s (configf:lookup *configdat* "validvalues" class)))
			(if s (string-split s) #f))))
    (if valid-values
	(if (member item valid-values)
	    item #f)
	item)))

;;  '(("k1" "k2" "k3")
;;    ("a" "b" "c")
;;    ("d" "e" "f"))
;;
;;    => '((("k1" "a")("k2" "b")("k3" "c"))
;;         (("k1" "d")("k2" "e")("k3" "f")))
;;
(define (items:first-row-intersperse data)
  (if (< (length data) 2)
      '()
      (let ((header (car data))
	    (rows   (cdr data)))
	(map (lambda (row)
	       (map list header row))
	     rows))))

;; k1/k2/k3
;; a/b/c
;; d/e/f
;;    => '(("k1" "k2" "k3")
;;         ("a" "b" "c")
;;         ("d" "e" "f"))
;;
;;    => '((("k1" "a")("k2" "b")("k3" "c"))
;;         (("k1" "d")("k2" "e")("k3" "f")))
;;
(define (items:read-items-file fname ftype) ;; 'sxml 'slash 'space 
  (if (and fname (file-exists? fname))
      (items:first-row-intersperse (case ftype
				     ((slash space)
				      (let ((splitter (case ftype
							((slash) (lambda (x)(string-split x "/")))
							(else    string-split))))
					(debug:print 0 *default-log-port* "Reading " fname " of type " ftype)
					(with-input-from-file fname
					  (lambda ()
					    (let loop ((inl (read-line))
						       (res '()))
					      (if (eof-object? inl)
						  res
						  (loop (read-line)(cons (splitter inl) res))))))))
				     ((sxml)(with-input-from-file fname read))
				     (else (debug:print 0 *default-log-port* "items file type " ftype " not recognised"))))
      (begin
	(if fname (debug:print 0 *default-log-port* "no items file " fname " found"))
	'())))

(define (items:get-items-from-config tconfig)
  (let* ((slashf      (configf:lookup tconfig "itemopts" "slash")) ;; a/b/c\nd/e/f\n ...
	 (sxmlf       (configf:lookup tconfig "itemopts" "sxml"))  ;; '(("a" "b" "c")("d" "e" "f") ...)
	 (spacef      (configf:lookup tconfig "itemopts" "space")) ;; a b c\nd e f\n ...
	 (have-items  (hash-table-ref/default tconfig "items"      #f))
	 (have-itable (hash-table-ref/default tconfig "itemstable" #f))
	 (items       (hash-table-ref/default tconfig "items"      '()))
	 (itemstable  (hash-table-ref/default tconfig "itemstable" '())))
    (debug:print 5 *default-log-port* "items: " items " itemstable: " itemstable)
    (set! items (map (lambda (item)
		       (if (procedure? (cadr item))
			   (list (car item)((cadr item)))  ;; evaluate the proc
			   item))
		     items))
    (set! itemstable (map (lambda (item)
			    (if (procedure? (cadr item))
				(list (car item)((cadr item)))  ;; evaluate the proc
				item))
			  itemstable))
    (if (and have-items  (null? items))     (debug:print 0 *default-log-port* "WARNING:[items] section in testconfig but no entries defined"))
    (if (and have-itable (null? itemstable))(debug:print 0 *default-log-port* "WARNNG:[itemstable] section in testconfig but no entries defined"))
    (if (or (not (null? items))
	    (not (null? itemstable))
	    slashf
	    sxmlf
	    spacef)
	(append (item-assoc->item-list items)
		(item-table->item-list itemstable)
		(items:read-items-file slashf 'slash)
		(items:read-items-file sxmlf  'sxml)
		(items:read-items-file spacef 'space))
	'(()))))

;; (pp (item-assoc->item-list itemdat))


	
