;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; transaction-report.scm : Report on all transactions in account(s)
;;
;; Original report by Robert Merkel <rgmerk@mira.net>
;; Contributions by Bryan Larsen <blarsen@ada-works.com>
;; More contributions for new report generation code by Robert Merkel
;; More contributions by Christian Stimming <stimming@tuhh.de>
;; Modified to support the intersection of two account lists by
;; Michael T. Garrison Stuber
;; Modified account names display by Tomas Pospisek
;; <tpo_deb@sourcepole.ch> with a lot of help from "warlord"
;;
;; This program 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 2 of   
;; the License, or (at your option) any later version.              
;;                                                                  
;; This program 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 this program; if not, contact:
;;
;; Free Software Foundation           Voice:  +1-617-542-5942
;; 51 Franklin Street, Fifth Floor    Fax:    +1-617-542-2652
;; Boston, MA  02110-1301,  USA       gnu@gnu.org
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(define-module (gnucash report standard-reports transaction))

(use-modules (gnucash main)) ;; FIXME: delete after we finish modularizing.
(use-modules (srfi srfi-1))
(use-modules (gnucash gnc-module))
(use-modules (gnucash gettext))

(use-modules (gnucash printf))

(gnc:module-load "gnucash/report/report-system" 0)

(define-macro (addto! alist element)
  `(set! ,alist (cons ,element ,alist)))

;; Define the strings here to avoid typos and make changes easier.

(define reportname (N_ "Transaction Report"))
(define pagename-sorting (N_ "Sorting"))
(define optname-prime-sortkey (N_ "Primary Key"))
(define optname-prime-subtotal (N_ "Primary Subtotal"))
(define optname-prime-date-subtotal (N_ "Primary Subtotal for Date Key"))
(define optname-sec-sortkey (N_ "Secondary Key"))
(define optname-sec-subtotal (N_ "Secondary Subtotal"))
(define optname-sec-date-subtotal (N_ "Secondary Subtotal for Date Key"))
(define optname-void-transactions (N_ "Void Transactions"))
(define optname-table-export (N_ "Table for Exporting"))
(define optname-common-currency (N_ "Common Currency"))
(define optname-currency (N_ "Report's currency"))
(define def:grand-total-style "grand-total")
(define def:normal-row-style "normal-row")
(define def:alternate-row-style "alternate-row")
(define def:primary-subtotal-style "primary-subheading")
(define def:secondary-subtotal-style "secondary-subheading")
;; The option-values of the sorting key multichoice option, for
;; which a subtotal should be enabled.
(define subtotal-enabled '(account-name
                           account-code 
                           corresponding-acc-name
                           corresponding-acc-code))

(define (split-account-full-name-same-p a b)
  (= (xaccSplitCompareAccountFullNames a b) 0))

(define (split-account-code-same-p a b)
  (= (xaccSplitCompareAccountCodes a b) 0))

(define (split-same-corr-account-full-name-p a b)
  (= (xaccSplitCompareOtherAccountFullNames a b) 0))

(define (split-same-corr-account-code-p a b)
  (= (xaccSplitCompareOtherAccountCodes a b) 0))

(define (timepair-same-year tp-a tp-b)
  (= (gnc:timepair-get-year tp-a)
     (gnc:timepair-get-year tp-b)))

(define (timepair-same-quarter tp-a tp-b)
  (and (timepair-same-year tp-a tp-b) 
       (= (gnc:timepair-get-quarter tp-a)
          (gnc:timepair-get-quarter tp-b))))

(define (timepair-same-month tp-a tp-b)
  (and (timepair-same-year tp-a tp-b) 
       (= (gnc:timepair-get-month tp-a)
          (gnc:timepair-get-month tp-b))))

(define (timepair-same-week tp-a tp-b)
  (and (timepair-same-year tp-a tp-b)
       (= (gnc:timepair-get-week tp-a)
	  (gnc:timepair-get-week tp-b))))

(define (split-same-week-p a b)
  (let ((tp-a (gnc-transaction-get-date-posted (xaccSplitGetParent a)))
	(tp-b (gnc-transaction-get-date-posted (xaccSplitGetParent b))))
    (timepair-same-week tp-a tp-b)))

(define (split-same-month-p a b)
  (let ((tp-a (gnc-transaction-get-date-posted (xaccSplitGetParent a)))
        (tp-b (gnc-transaction-get-date-posted (xaccSplitGetParent b))))
    (timepair-same-month tp-a tp-b)))

(define (split-same-quarter-p a b)
  (let ((tp-a (gnc-transaction-get-date-posted (xaccSplitGetParent a)))
        (tp-b (gnc-transaction-get-date-posted (xaccSplitGetParent b))))
    (timepair-same-quarter tp-a tp-b)))

(define (split-same-year-p a b)
  (let ((tp-a (gnc-transaction-get-date-posted (xaccSplitGetParent a)))
        (tp-b (gnc-transaction-get-date-posted (xaccSplitGetParent b))))
    (timepair-same-year tp-a tp-b)))

(define (set-last-row-style! table tag . rest)
  (let ((arg-list 
         (cons table 
               (cons (- (gnc:html-table-num-rows table) 1)
                     (cons tag rest)))))
    (apply gnc:html-table-set-row-style! arg-list)))

(define (add-subheading-row data table width subheading-style)
  (let ((heading-cell (gnc:make-html-table-cell data)))
    (gnc:html-table-cell-set-colspan! heading-cell width)
    (gnc:html-table-append-row/markup!
     table
     subheading-style
     (list heading-cell))))

;; display an account name depending on the options the user has set
(define (account-namestring account show-account-code show-account-name show-account-full-name)
  ;;# on multi-line splits we can get an empty ('()) account
  (if (null? account)
        (_ "Split Transaction")
        (string-append 
           ;; display account code?
           (if show-account-code
                 (string-append (xaccAccountGetCode account) " ")
                 "")
           ;; display account name?
           (if show-account-name
                 ;; display full account name?
                 (if show-account-full-name
                      (gnc-account-get-full-name account)
                      (xaccAccountGetName account))
                 ""))))

;; render an account subheading - column-vector determines what is displayed
(define (render-account-subheading
         split table width subheading-style column-vector)
  (let ((account (xaccSplitGetAccount split)))
    (add-subheading-row (gnc:make-html-text
                         (gnc:html-markup-anchor
                           (gnc:account-anchor-text account)
                           (account-namestring account
                                               (used-sort-account-code      column-vector)
                                               #t
                                               (used-sort-account-full-name column-vector))))
                        table width subheading-style)))

(define (render-corresponding-account-subheading 
         split table width subheading-style column-vector)
  (let ((account (xaccSplitGetAccount (xaccSplitGetOtherSplit split))))
    (add-subheading-row (gnc:make-html-text
                         (gnc:html-markup-anchor
                          (if (not (null? account))
                           (gnc:account-anchor-text account)
                           "")
                           (account-namestring account
                                               (used-sort-account-code      column-vector)
                                               #t
                                               (used-sort-account-full-name column-vector))))
                        table width subheading-style)))

(define (render-week-subheading split table width subheading-style column-vector)
  (add-subheading-row (gnc:date-get-week-year-string
		       (gnc:timepair->date
			(gnc-transaction-get-date-posted
			 (xaccSplitGetParent split))))
		      table width subheading-style))

(define (render-month-subheading split table width subheading-style column-vector)
  (add-subheading-row (gnc:date-get-month-year-string
                      (gnc:timepair->date 
                       (gnc-transaction-get-date-posted
                        (xaccSplitGetParent split))))
                     table width subheading-style))

(define (render-quarter-subheading split table width subheading-style column-vector)
  (add-subheading-row (gnc:date-get-quarter-year-string 
                      (gnc:timepair->date 
                       (gnc-transaction-get-date-posted
                        (xaccSplitGetParent split))))
                     table width subheading-style))

(define (render-year-subheading split table width subheading-style column-vector)
  (add-subheading-row (gnc:date-get-year-string 
                      (gnc:timepair->date 
                       (gnc-transaction-get-date-posted
                        (xaccSplitGetParent split))))
                      table width subheading-style))


(define (add-subtotal-row table width subtotal-string subtotal-collector 
                          subtotal-style export?)
  (let ((currency-totals (subtotal-collector
                          'format gnc:make-gnc-monetary #f))
        (blanks (gnc:make-html-table-cell/size 1 (- width 1) #f)))
    (gnc:html-table-append-row/markup!
     table
     subtotal-style 
     (if export?
      (append! (cons (gnc:make-html-table-cell/markup "total-label-cell" subtotal-string)
                     (gnc:html-make-empty-cells (- width 2)))
               (list (gnc:make-html-table-cell/markup 
                      "total-number-cell"
                      (car currency-totals))))
     (list (gnc:make-html-table-cell/size/markup 1 (- width 1) "total-label-cell"
                                          subtotal-string)
           (gnc:make-html-table-cell/markup 
            "total-number-cell"
             (car currency-totals)))))
    (for-each (lambda (currency)
                (gnc:html-table-append-row/markup! 
                 table
                 subtotal-style
                 (append!
                  (if export?
                   (gnc:html-make-empty-cells (- width 1))
                   (list blanks))
                         (list (gnc:make-html-table-cell/markup
                                "total-number-cell" currency)))))
              (cdr currency-totals))))

(define (total-string str) (string-append (_ "Total For ") str))

(define (render-account-subtotal 
         table width split total-collector subtotal-style column-vector export?)
    (add-subtotal-row table width 
                      (total-string (account-namestring (xaccSplitGetAccount split)
                                                        (used-sort-account-code      column-vector)
                                                        #t
                                                        (used-sort-account-full-name column-vector)))
                      total-collector subtotal-style export?))

(define (render-corresponding-account-subtotal
         table width split total-collector subtotal-style column-vector export?)
    (add-subtotal-row table width
                      (total-string (account-namestring (xaccSplitGetAccount
                                                          (xaccSplitGetOtherSplit split))
                                                        (used-sort-account-code      column-vector)
                                                        #t
                                                        (used-sort-account-full-name column-vector)))
                    total-collector subtotal-style export?))

(define (render-week-subtotal
	 table width split total-collector subtotal-style column-vector export?)
  (let ((tm (gnc:timepair->date (gnc-transaction-get-date-posted
				 (xaccSplitGetParent split)))))
    (add-subtotal-row table width
		      (total-string (gnc:date-get-week-year-string tm))
		      total-collector subtotal-style export?)))

(define (render-month-subtotal
         table width split total-collector subtotal-style column-vector export?)
  (let ((tm (gnc:timepair->date (gnc-transaction-get-date-posted
                                 (xaccSplitGetParent split)))))
    (add-subtotal-row table width 
                      (total-string (gnc:date-get-month-year-string tm))
                      total-collector subtotal-style export?)))


(define (render-quarter-subtotal
         table width split total-collector subtotal-style column-vector export?)
  (let ((tm (gnc:timepair->date (gnc-transaction-get-date-posted
                                 (xaccSplitGetParent split)))))
    (add-subtotal-row table width 
                      (total-string (gnc:date-get-quarter-year-string tm))
                     total-collector subtotal-style export?)))

(define (render-year-subtotal
         table width split total-collector subtotal-style column-vector export?)
  (let ((tm (gnc:timepair->date (gnc-transaction-get-date-posted
                                 (xaccSplitGetParent split)))))
    (add-subtotal-row table width 
                      (total-string (strftime "%Y" tm))
                      total-collector subtotal-style export?)))


(define (render-grand-total
         table width total-collector export?)
  (add-subtotal-row table width
                    (_ "Grand Total")
                    total-collector def:grand-total-style export?))

(define account-types-to-reverse-assoc-list
  (list (cons 'none '())
        (cons 'income-expense
              (list ACCT-TYPE-INCOME ACCT-TYPE-EXPENSE))
        (cons 'credit-accounts
              (list ACCT-TYPE-LIABILITY ACCT-TYPE-PAYABLE ACCT-TYPE-EQUITY
                    ACCT-TYPE-CREDIT ACCT-TYPE-INCOME))))

(define (used-date columns-used)
  (vector-ref columns-used 0))
(define (used-reconciled-date columns-used)
  (vector-ref columns-used 1))
(define (used-num columns-used)
  (vector-ref columns-used 2))
(define (used-description columns-used)
  (vector-ref columns-used 3))
(define (used-account-name columns-used)
  (vector-ref columns-used 4))
(define (used-other-account-name columns-used)
  (vector-ref columns-used 5))	
(define (used-shares columns-used)
  (vector-ref columns-used 6))	
(define (used-price columns-used)
  (vector-ref columns-used 7))	
(define (used-amount-single columns-used)
  (vector-ref columns-used 8))	
(define (used-amount-double-positive columns-used)
  (vector-ref columns-used 9))	
(define (used-amount-double-negative columns-used)
  (vector-ref columns-used 10))	
(define (used-running-balance columns-used)
  (vector-ref columns-used 11))
(define (used-account-full-name columns-used)
  (vector-ref columns-used 12))
(define (used-memo columns-used)
  (vector-ref columns-used 13))
(define (used-account-code columns-used)
  (vector-ref columns-used 14))
(define (used-other-account-code columns-used)
  (vector-ref columns-used 15))
(define (used-other-account-full-name columns-used)
  (vector-ref columns-used 16))
(define (used-sort-account-code columns-used)
  (vector-ref columns-used 17))
(define (used-sort-account-full-name columns-used)
  (vector-ref columns-used 18))
(define (used-notes columns-used)
  (vector-ref columns-used 19))

(define columns-used-size 20)

(define (num-columns-required columns-used)  
  (do ((i 0 (+ i 1)) 
       (col-req 0 col-req)) 
      ((>= i columns-used-size) col-req)
    ; If column toggle is true, increase column count. But attention:
    ; some toggles only change the meaning of another toggle. Don't count these modifier toggles
    (if (and (not (= i 12)) ; Skip Account Full Name toggle - modifies Account Name column
             (not (= i 16)) ; Skip Other Account Full Name toggle - modifies Other Account Name column
             (not (= i 17)) ; Skip Sort Account Code - modifies Account Name subheading
             (not (= i 18)) ; Skip Sort Account Full Name - modifies Account Name subheading
             (not (= i 19)) ; Skip Note toggle - modifies Memo column
             (vector-ref columns-used i))
      (set! col-req (+ col-req 1)))
    ; Account Code and Account Name share one column so if both were ticked the
    ; the check above would have set up one column too much. The check below
    ; will compensate these again.
    (if (or (and (= i 14) (vector-ref columns-used 14) (vector-ref columns-used 4)) ; Account Code and Name
            (and (= i 15) (vector-ref columns-used 15) (vector-ref columns-used 5))) ; Other Account Code and Name
      (set! col-req (- col-req 1)))))

(define (build-column-used options)   
  (define (opt-val section name)
    (gnc:option-value 
     (gnc:lookup-option options section name)))
  (let ((column-list (make-vector columns-used-size #f)))
    (if (opt-val (N_ "Display") (N_ "Date"))
        (vector-set! column-list 0 #t))
    (if (opt-val (N_ "Display") (N_ "Reconciled Date"))
        (vector-set! column-list 1 #t))
    (if (if (gnc:lookup-option options (N_ "Display") (N_ "Num"))
            (opt-val (N_ "Display") (N_ "Num"))
            (opt-val (N_ "Display") (N_ "Num/Action")))
        (vector-set! column-list 2 #t))
    (if (opt-val (N_ "Display") (N_ "Description"))
        (vector-set! column-list 3 #t))
    (if (opt-val (N_ "Display") (N_ "Account Name"))
        (vector-set! column-list 4 #t))
    (if (opt-val (N_ "Display") (N_ "Other Account Name"))
        (vector-set! column-list 5 #t))
    (if (opt-val (N_ "Display") (N_ "Shares"))
        (vector-set! column-list 6 #t))
    (if (opt-val (N_ "Display") (N_ "Price"))
        (vector-set! column-list 7 #t))
    (let ((amount-setting (opt-val (N_ "Display") (N_ "Amount"))))
      (if (eq? amount-setting 'single)
          (vector-set! column-list 8 #t))
      (if (eq? amount-setting 'double)
          (begin (vector-set! column-list 9 #t)
                 (vector-set! column-list 10 #t))))
    (if (opt-val (N_ "Display") (N_ "Running Balance"))
        (vector-set! column-list 11 #t))
    (if (opt-val (N_ "Display")  (N_ "Use Full Account Name"))
        (vector-set! column-list 12 #t))
    (if (opt-val (N_ "Display") (N_ "Memo"))
        (vector-set! column-list 13 #t))
    (if (opt-val (N_ "Display") (N_ "Account Code"))
        (vector-set! column-list 14 #t))
    (if (opt-val (N_ "Display") (N_ "Other Account Code"))
        (vector-set! column-list 15 #t))
    (if (opt-val (N_ "Display") (N_ "Use Full Other Account Name"))
        (vector-set! column-list 16 #t))
    (if (opt-val (N_ "Sorting") (N_ "Show Account Code"))
        (vector-set! column-list 17 #t))
    (if (opt-val (N_ "Sorting") (N_ "Show Full Account Name"))
        (vector-set! column-list 18 #t))
    (if (opt-val (N_ "Display") (N_ "Notes"))
        (vector-set! column-list 19 #t))
    column-list))

(define (make-heading-list column-vector options)
  (let ((heading-list '()))
    (if (used-date column-vector)
        (addto! heading-list (_ "Date")))
    (if (used-reconciled-date column-vector)
        (addto! heading-list (_ "Reconciled Date")))
    (if (used-num column-vector)
        (addto! heading-list (if (and (qof-book-use-split-action-for-num-field
                                                        (gnc-get-current-book))
                                      (if (gnc:lookup-option options
                                                    gnc:pagename-display
                                                    (N_ "Trans Number"))
                                          (gnc:option-value 
                                            (gnc:lookup-option options
                                                    gnc:pagename-display
                                                    (N_ "Trans Number")))
                                          #f))
                                 (_ "Num/T-Num")
                                 (_ "Num"))))
    (if (used-description column-vector)
        (addto! heading-list (_ "Description")))
    (if (used-memo column-vector)
        (if (used-notes column-vector)
            (addto! heading-list (string-append (_ "Memo") "/" (_ "Notes")))
            (addto! heading-list (_ "Memo"))))
    (if (or (used-account-name column-vector) (used-account-code column-vector))
        (addto! heading-list (_ "Account")))
    (if (or (used-other-account-name column-vector) (used-other-account-code column-vector))
        (addto! heading-list (_ "Transfer from/to")))
    (if (used-shares column-vector)
        (addto! heading-list (_ "Shares")))
    (if (used-price column-vector)
        (addto! heading-list (_ "Price")))
    (if (used-amount-single column-vector)
        (addto! heading-list (_ "Amount")))
    ;; FIXME: Proper labels: what?
    (if (used-amount-double-positive column-vector)
        (addto! heading-list (_ "Debit")))
    (if (used-amount-double-negative column-vector)
        (addto! heading-list (_ "Credit")))
    (if (used-running-balance column-vector)
        (addto! heading-list (_ "Balance")))
    (reverse heading-list)))

(define (add-split-row table split column-vector options
                       row-style account-types-to-reverse transaction-row?)

  (define (opt-val section name)
    (gnc:option-value 
     (gnc:lookup-option options section name)))

  (let* ((row-contents '())
	 (dummy  (gnc:debug "split is originally" split))
         (parent (xaccSplitGetParent split))
         (account (xaccSplitGetAccount split))
         (account-type (xaccAccountGetType account))
         (currency (if (not (null? account))
                       (xaccAccountGetCommodity account)
                       (gnc-default-currency)))
	 (report-currency (if (opt-val gnc:pagename-general optname-common-currency)
			       (opt-val gnc:pagename-general optname-currency)
			       currency))
         (damount (if (gnc:split-voided? split)
					 (xaccSplitVoidFormerAmount split)
					 (xaccSplitGetAmount split)))
	 (trans-date (gnc-transaction-get-date-posted parent))
	 (split-value (gnc:exchange-by-pricedb-nearest
		       (gnc:make-gnc-monetary 
			currency
			(if (member account-type account-types-to-reverse) 
			    (gnc-numeric-neg damount)
			    damount))
		       report-currency
		       ;; Use midday as the transaction time so it matches a price
		       ;; on the same day.  Otherwise it uses midnight which will
		       ;; likely match a price on the previous day
		       (timespecCanonicalDayTime trans-date))))
    
    (if (used-date column-vector)
        (addto! row-contents
                (if transaction-row?
                    (gnc:make-html-table-cell/markup "date-cell"
                        (gnc-print-date (gnc-transaction-get-date-posted parent)))
                    " ")))
    (if (used-reconciled-date column-vector)
        (addto! row-contents
                (gnc:make-html-table-cell/markup "date-cell"
		    (let ((date (gnc-split-get-date-reconciled split)))
		      (if (equal? date (cons 0 0))
		          " "
		          (gnc-print-date date))))))
    (if (used-num column-vector)
        (addto! row-contents
                (if transaction-row?
                    (if (qof-book-use-split-action-for-num-field
                                                        (gnc-get-current-book))
                        (let* ((num (gnc-get-num-action parent split))
                               (t-num (if (if (gnc:lookup-option options
                                                    gnc:pagename-display
                                                    (N_ "Trans Number"))
                                              (opt-val gnc:pagename-display
                                                    (N_ "Trans Number"))
                                              #f)
                                          (gnc-get-num-action parent #f)
                                          ""))
                               (num-string (if (equal? t-num "")
                                               num
                                               (string-append num "/" t-num))))
                              (gnc:make-html-table-cell/markup "text-cell"
                                   num-string))
                        (gnc:make-html-table-cell/markup "text-cell"
                            (gnc-get-num-action parent split)))
                    " ")))

    (if (used-description column-vector)
        (addto! row-contents
                (if transaction-row?
                    (gnc:make-html-table-cell/markup "text-cell"
                        (xaccTransGetDescription parent))
                    " ")))
    
    (if (used-memo column-vector)
        (let ((memo (xaccSplitGetMemo split)))
          (if (and (equal? memo "") (used-notes column-vector))
              (addto! row-contents (xaccTransGetNotes parent))
              (addto! row-contents memo))))
    
    (if (or (used-account-name column-vector) (used-account-code column-vector))
       (addto! row-contents (account-namestring account
                                                (used-account-code      column-vector)
                                                (used-account-name      column-vector)
                                                (used-account-full-name column-vector))))
    
    (if (or (used-other-account-name column-vector) (used-other-account-code column-vector))
       (addto! row-contents (account-namestring (xaccSplitGetAccount
                                                   (xaccSplitGetOtherSplit split))
                                                (used-other-account-code      column-vector)
                                                (used-other-account-name      column-vector)
                                                (used-other-account-full-name column-vector))))
    
    (if (used-shares column-vector)
        (addto! row-contents (xaccSplitGetAmount split)))
    (if (used-price column-vector)
        (addto! 
         row-contents 
         (gnc:make-gnc-monetary (xaccTransGetCurrency parent)
                                (xaccSplitGetSharePrice split))))
    (if (used-amount-single column-vector)
        (addto! row-contents
                (gnc:make-html-table-cell/markup "number-cell"
                                                 (gnc:html-transaction-anchor parent split-value))))
    (if (used-amount-double-positive column-vector)
        (if (gnc-numeric-positive-p (gnc:gnc-monetary-amount split-value))
            (addto! row-contents
                    (gnc:make-html-table-cell/markup "number-cell"
                                                     (gnc:html-transaction-anchor parent split-value)))
            (addto! row-contents " ")))
    (if (used-amount-double-negative column-vector)
        (if (gnc-numeric-negative-p (gnc:gnc-monetary-amount split-value))
            (addto! row-contents
                    (gnc:make-html-table-cell/markup
                     "number-cell" (gnc:html-transaction-anchor parent (gnc:monetary-neg split-value))))
            (addto! row-contents " ")))
    (if (used-running-balance column-vector)
	(begin
	  (gnc:debug "split is " split)
	  (gnc:debug "split get balance:" (xaccSplitGetBalance split))
	  (addto! row-contents
		  (gnc:make-html-table-cell/markup
		   "number-cell"
		   (gnc:make-gnc-monetary currency
					  (xaccSplitGetBalance split))))))
	(gnc:html-table-append-row/markup! table row-style
                                       (reverse row-contents))
    split-value))


(define date-sorting-types (list 'date 'exact-time 'register-order))

(define (trep-options-generator)
  (define gnc:*transaction-report-options* (gnc:new-options))
  (define (gnc:register-trep-option new-option)
    (gnc:register-option gnc:*transaction-report-options* new-option))
  
  ;; General options
  
  (gnc:options-add-date-interval!
   gnc:*transaction-report-options*
   gnc:pagename-general (N_ "Start Date") (N_ "End Date") "a")
  
  
  (gnc:register-trep-option
   (gnc:make-multichoice-option
    gnc:pagename-general (N_ "Style")
    "d" (N_ "Report style.")
    'single
    (list (vector 'multi-line
                  (N_ "Multi-Line")
                  (N_ "Display N lines."))
          (vector 'single
                  (N_ "Single")
                  (N_ "Display 1 line.")))))

  (gnc:register-trep-option
   (gnc:make-complex-boolean-option
    gnc:pagename-general optname-common-currency
    "e" (N_ "Convert all transactions into a common currency.") #f
    #f
    (lambda (x) (gnc-option-db-set-option-selectable-by-name
		 gnc:*transaction-report-options*
		 gnc:pagename-general
		 optname-currency
		 x))
    ))

  (gnc:options-add-currency!
   gnc:*transaction-report-options* gnc:pagename-general optname-currency "f")

  (gnc:register-trep-option
   (gnc:make-simple-boolean-option
    gnc:pagename-general optname-table-export
    "g" (N_ "Formats the table suitable for cut & paste exporting with extra cells.") #f))  
  
  ;; Accounts options
  
  ;; account to do report on
  (gnc:register-trep-option
   (gnc:make-account-list-option
    gnc:pagename-accounts (N_ "Accounts")
    "a" (N_ "Report on these accounts.")
    ;; select, by default, no accounts! Selecting all accounts will
    ;; always imply an insanely long waiting time upon opening, and it
    ;; is almost never useful. So we instead display the normal error
    ;; message saying "Click here", and the user knows how to
    ;; continue.
    (lambda ()
      '())
    #f #t))

  (gnc:register-trep-option
   (gnc:make-account-list-option
    gnc:pagename-accounts (N_ "Filter By...")
    "b" (N_ "Filter on these accounts.")
    (lambda ()
      ;; FIXME : gnc:get-current-accounts disappeared.
      (let* ((current-accounts '())
	     (root (gnc-get-current-root-account))
	     (num-accounts (gnc-account-n-children root))
	     (first-account (gnc-account-nth-child root 0)))
	(cond ((not (null? current-accounts))
	       (list (car current-accounts)))
	      ((> num-accounts 0) (list first-account))
	      (else '()))))
    #f #t))

  (gnc:register-trep-option
   (gnc:make-multichoice-option
    gnc:pagename-accounts (N_ "Filter Type")
    "c" (N_ "Filter account.")
    'none
    (list (vector 'none
		  (N_ "None")
		  (N_ "Do not do any filtering."))
	  (vector 'include
		  (N_ "Include Transactions to/from Filter Accounts")
		  (N_ "Include transactions to/from filter accounts only."))
	  (vector 'exclude
		  (N_ "Exclude Transactions to/from Filter Accounts")
		  (N_ "Exclude transactions to/from all filter accounts."))
	  )))

  ;;

  (gnc:register-trep-option
   (gnc:make-multichoice-option
    gnc:pagename-accounts optname-void-transactions
    "d" (N_ "How to handle void transactions.")
    'non-void-only
    (list (vector
	   'non-void-only
	   (N_ "Non-void only")
	   (N_ "Show only non-voided transactions."))
	  (vector
	   'void-only
	   (N_ "Void only")
	   (N_ "Show only voided transactions."))
	  (vector 
	   'both
	   (N_ "Both")
	   (N_ "Show both (and include void transactions in totals).")))))

  ;; Sorting options
      
  (let ((options gnc:*transaction-report-options*)

        (key-choice-list 
         (if (qof-book-use-split-action-for-num-field (gnc-get-current-book))
             (list (vector 'none
                           (N_ "None")
                           (N_ "Do not sort."))

                   (vector 'account-name
                           (N_ "Account Name")
                           (N_ "Sort & subtotal by account name."))

                   (vector 'account-code
                           (N_ "Account Code")
                           (N_ "Sort & subtotal by account code."))

                   (vector 'date
                           (N_ "Date")
                           (N_ "Sort by date."))

                   (vector 'exact-time
                           (N_ "Exact Time")
                           (N_ "Sort by exact time."))

                   (vector 'reconciled-date
                           (N_ "Reconciled Date")
                           (N_ "Sort by the Reconciled Date."))

                   (vector 'register-order
                           (N_ "Register Order")
                           (N_ "Sort as with the register."))

                   (vector 'corresponding-acc-name 
                           (N_ "Other Account Name")
                           (N_ "Sort by account transferred from/to's name."))

                   (vector 'corresponding-acc-code
                           (N_ "Other Account Code")
                           (N_ "Sort by account transferred from/to's code."))
               
                   (vector 'amount
                           (N_ "Amount")
                           (N_ "Sort by amount."))
               
                   (vector 'description
                           (N_ "Description")
                           (N_ "Sort by description."))
               
                   (vector 'number
                           (N_ "Number/Action")
                           (N_ "Sort by check number/action."))

                   (vector 't-number
                           (N_ "Transaction Number")
                           (N_ "Sort by transaction number."))
               
                   (vector 'memo
                           (N_ "Memo")
                           (N_ "Sort by memo.")))
             (list (vector 'none
                           (N_ "None")
                           (N_ "Do not sort."))

                   (vector 'account-name
                           (N_ "Account Name")
                           (N_ "Sort & subtotal by account name."))

                   (vector 'account-code
                           (N_ "Account Code")
                           (N_ "Sort & subtotal by account code."))

                   (vector 'date
                           (N_ "Date")
                           (N_ "Sort by date."))

                   (vector 'exact-time
                           (N_ "Exact Time")
                           (N_ "Sort by exact time."))

                   (vector 'reconciled-date
                           (N_ "Reconciled Date")
                           (N_ "Sort by the Reconciled Date."))

                   (vector 'register-order
                           (N_ "Register Order")
                           (N_ "Sort as with the register."))

                   (vector 'corresponding-acc-name 
                           (N_ "Other Account Name")
                           (N_ "Sort by account transferred from/to's name."))

                   (vector 'corresponding-acc-code
                           (N_ "Other Account Code")
                           (N_ "Sort by account transferred from/to's code."))
               
                   (vector 'amount
                           (N_ "Amount")
                           (N_ "Sort by amount."))
               
                   (vector 'description
                           (N_ "Description")
                           (N_ "Sort by description."))
               
                   (vector 'number
                           (N_ "Number")
                           (N_ "Sort by check/transaction number."))

                   (vector 'memo
                           (N_ "Memo")
                           (N_ "Sort by memo.")))))

        (ascending-choice-list 
         (list
          (vector 'ascend
                  (N_ "Ascending")
                  (N_ "Smallest to largest, earliest to latest."))
          (vector 'descend
                  (N_ "Descending")
                  (N_ "Largest to smallest, latest to earliest."))))

        (subtotal-choice-list
         (list
          (vector 'none (N_ "None") (N_ "None."))
          (vector 'weekly (N_ "Weekly") (N_ "Weekly."))
          (vector 'monthly (N_ "Monthly") (N_ "Monthly."))
          (vector 'quarterly (N_ "Quarterly") (N_ "Quarterly."))
          (vector 'yearly (N_ "Yearly") (N_ "Yearly.")))))
    
    ;; primary sorting criterion
    (gnc:register-trep-option
     (gnc:make-multichoice-callback-option
      pagename-sorting optname-prime-sortkey
      "a" (N_ "Sort by this criterion first.")
      'account-name
      key-choice-list #f
      (lambda (x)
        (gnc-option-db-set-option-selectable-by-name
         options pagename-sorting optname-prime-subtotal
         (and (member x subtotal-enabled) #t))
        (gnc-option-db-set-option-selectable-by-name
         options pagename-sorting optname-prime-date-subtotal
         (if (member x date-sorting-types) #t #f)))))
    
    (gnc:register-trep-option
     (gnc:make-simple-boolean-option
      pagename-sorting (N_ "Show Full Account Name")
      "a1" 
      (N_ "Show the full account name for subtotals and subtitles?")
      #f))
    
    (gnc:register-trep-option
     (gnc:make-simple-boolean-option
      pagename-sorting (N_ "Show Account Code")
      "a2" 
      (N_ "Show the account code for subtotals and subtitles?")
      #f))
    
    (gnc:register-trep-option
     (gnc:make-simple-boolean-option
      pagename-sorting optname-prime-subtotal
      "c" 
      (N_ "Subtotal according to the primary key?")
      #t))
    
    (gnc:register-trep-option
     (gnc:make-multichoice-option
      pagename-sorting optname-prime-date-subtotal
      "d" (N_ "Do a date subtotal.")
      'monthly
      subtotal-choice-list))
    
    (gnc:register-trep-option
     (gnc:make-multichoice-option
      pagename-sorting (N_ "Primary Sort Order")
      "e" (N_ "Order of primary sorting.")
      'ascend
      ascending-choice-list))
    
    ;; Secondary sorting criterion
    (gnc:register-trep-option
     (gnc:make-multichoice-callback-option
      pagename-sorting optname-sec-sortkey
      "f"
      (N_ "Sort by this criterion second.")
      'register-order
      key-choice-list #f
      (lambda (x)
        (gnc-option-db-set-option-selectable-by-name
         options pagename-sorting optname-sec-subtotal
         (and (member x subtotal-enabled) #t))
        (gnc-option-db-set-option-selectable-by-name
         options pagename-sorting optname-sec-date-subtotal
         (if (member x date-sorting-types) #t #f)))))
    
    (gnc:register-trep-option
     (gnc:make-simple-boolean-option
      pagename-sorting optname-sec-subtotal
      "g" 
      (N_ "Subtotal according to the secondary key?")
      #t))
    
    (gnc:register-trep-option
     (gnc:make-multichoice-option
      pagename-sorting optname-sec-date-subtotal
      "h" (N_ "Do a date subtotal.")
      'monthly
      subtotal-choice-list))
    
    (gnc:register-trep-option
     (gnc:make-multichoice-option
      pagename-sorting (N_ "Secondary Sort Order")
      "i" (N_ "Order of Secondary sorting.")
      'ascend
      ascending-choice-list)))
  
  ;; Display options
  
  (for-each
   (lambda (l)
     (gnc:register-trep-option
      (gnc:make-simple-boolean-option
       gnc:pagename-display (car l) (cadr l) (caddr l) (cadddr l))))
   ;; One list per option here with: option-name, sort-tag,
   ;; help-string, default-value
   (list
    (list (N_ "Date")                         "a"  (N_ "Display the date?") #t)
    (list (N_ "Reconciled Date")              "a2" (N_ "Display the reconciled date?") #f)
    (if (qof-book-use-split-action-for-num-field (gnc-get-current-book))
        (list (N_ "Num/Action")               "b"  (N_ "Display the check number?") #t)
        (list (N_ "Num")                      "b"  (N_ "Display the check number?") #t))
    (list (N_ "Description")                  "c"  (N_ "Display the description?") #t)
    (list (N_ "Notes")                        "d2" (N_ "Display the notes if the memo is unavailable?") #t)
    (list (N_ "Account Name")                 "e"  (N_ "Display the account name?") #f)
    (list (N_ "Use Full Account Name")        "f"  (N_ "Display the full account name?") #t)
    (list (N_ "Account Code")                 "g"  (N_ "Display the account code?") #f)
    (list (N_ "Other Account Name")           "h"  (N_ "Display the other account name?\
 (if this is a split transaction, this parameter is guessed).") #f)
    (list (N_ "Use Full Other Account Name")  "i"  (N_ "Display the full account name?") #t)
    (list (N_ "Other Account Code")           "j"  (N_ "Display the other account code?") #f)
    (list (N_ "Shares")                       "k"  (N_ "Display the number of shares?") #f)
    (list (N_ "Price")                        "l"  (N_ "Display the shares price?") #f)
    ;; note the "Amount" multichoice option in between here
    (list (N_ "Running Balance")              "n"  (N_ "Display a running balance?") #f)
    (list (N_ "Totals")                       "o"  (N_ "Display the totals?") #t)))

  (if (qof-book-use-split-action-for-num-field (gnc-get-current-book))
      (gnc:register-trep-option
       (gnc:make-simple-boolean-option
        gnc:pagename-display (N_ "Trans Number")
                                    "b2" (N_ "Display the trans number?") #f)))

  ;; Add an option to display the memo, and disable the notes option
  ;; when memos are not included.
  (gnc:register-trep-option
   (gnc:make-complex-boolean-option
    gnc:pagename-display (N_ "Memo")
    "d"  (N_ "Display the memo?") #t
    #f
    (lambda (x) (gnc-option-db-set-option-selectable-by-name
		 gnc:*transaction-report-options*
		 gnc:pagename-display
		 (N_ "Notes")
		 x))))

  (gnc:register-trep-option
   (gnc:make-multichoice-option
    gnc:pagename-display (N_ "Amount")
    "m" (N_ "Display the amount?")  
    'single
    (list
     (vector 'none (N_ "None") (N_ "No amount display."))
     (vector 'single (N_ "Single") (N_ "Single Column Display."))
     (vector 'double (N_ "Double") (N_ "Two Column Display.")))))
  
  (gnc:register-trep-option
   (gnc:make-multichoice-option
    gnc:pagename-display (N_ "Sign Reverses")
    "p" (N_ "Reverse amount display for certain account types.")
    'credit-accounts
    (list 
     (vector 'none (N_ "None") (N_ "Don't change any displayed amounts."))
     (vector 'income-expense (N_ "Income and Expense")
             (N_ "Reverse amount display for Income and Expense Accounts."))
     (vector 'credit-accounts (N_ "Credit Accounts")
             (N_ "Reverse amount display for Liability, Payable, Equity, \
Credit Card, and Income accounts.")))))


  (gnc:options-set-default-section gnc:*transaction-report-options*
                                   gnc:pagename-general)

  gnc:*transaction-report-options*)


(define (display-date-interval begin end)
  (let ((begin-string (gnc-print-date begin))
        (end-string (gnc-print-date end)))
    (sprintf #f (_ "From %s To %s") begin-string end-string)))

(define (get-primary-subtotal-style options)
  (let ((bgcolor (gnc:lookup-option options 
                                    (N_ "Colors")
                                    (N_ "Primary Subtotals/headings"))))
    (list 'attribute (list "bgcolor" (gnc:color-option->html bgcolor)))))

(define (get-secondary-subtotal-style options)
  (let ((bgcolor (gnc:lookup-option options
                                    (N_ "Colors")
                                    (N_ "Secondary Subtotals/headings"))))
    (list 'attribute (list "bgcolor" (gnc:color-option->html bgcolor)))))

(define (get-grand-total-style options)
  (let ((bgcolor (gnc:lookup-option options
                                    (N_ "Colors")
                                    (N_ "Grand Total"))))
    (list 'attribute (list "bgcolor" (gnc:color-option->html bgcolor)))))

(define (get-odd-row-style options)
  (let ((bgcolor (gnc:lookup-option options
                                    (N_ "Colors")
                                    (N_ "Split Odd"))))
    (list 'attribute (list "bgcolor" (gnc:color-option->html bgcolor)))))

(define (get-even-row-style options)
  (let ((bgcolor (gnc:lookup-option options
                                    (N_ "Colors")
                                    (N_ "Split Even"))))
    (list 'attribute (list "bgcolor" (gnc:color-option->html bgcolor)))))


;; ;;;;;;;;;;;;;;;;;;;;
;; Here comes the big function that builds the whole table.
(define (make-split-table splits options
                          primary-subtotal-pred
                          secondary-subtotal-pred
                          primary-subheading-renderer
                          secondary-subheading-renderer
                          primary-subtotal-renderer
                          secondary-subtotal-renderer)
  
 (let ((work-to-do (length splits))
       (work-done 0)
       (used-columns (build-column-used options)))
  (define (get-account-types-to-reverse options)
    (cdr (assq (gnc:option-value 
                (gnc:lookup-option options
                                   (N_ "Display")
                                   (N_ "Sign Reverses")))
               account-types-to-reverse-assoc-list)))
  

  (define (transaction-report-multi-rows-p options)
    (eq? (gnc:option-value
          (gnc:lookup-option options gnc:pagename-general (N_ "Style")))
         'multi-line))

  (define (transaction-report-export-p options)
    (gnc:option-value
     (gnc:lookup-option options gnc:pagename-general
       optname-table-export)))

  (define (add-other-split-rows split table used-columns
                                row-style account-types-to-reverse)
    (define (other-rows-driver split parent table used-columns i)
      (let ((current (xaccTransGetSplit parent i)))
        (cond ((null? current) #f)
              ((equal? current split)
               (other-rows-driver split parent table used-columns (+ i 1)))
              (else (begin
                      (add-split-row table current used-columns options
                                     row-style account-types-to-reverse #f)
                      (other-rows-driver split parent table used-columns
                                         (+ i 1)))))))

    (other-rows-driver split (xaccSplitGetParent split)
                       table used-columns 0))

  (define (do-rows-with-subtotals splits 
                                  table 
                                  used-columns
                                  width
                                  multi-rows?
                                  odd-row?
                                  export?
                                  account-types-to-reverse
                                  primary-subtotal-pred
                                  secondary-subtotal-pred 
                                  primary-subheading-renderer
                                  secondary-subheading-renderer
                                  primary-subtotal-renderer
                                  secondary-subtotal-renderer
                                  primary-subtotal-collector 
                                  secondary-subtotal-collector 
                                  total-collector)

    (gnc:report-percent-done (* 100 (/ work-done work-to-do)))
    (set! work-done (+ 1 work-done))
    (if (null? splits)
        (begin
          (gnc:html-table-append-row/markup!
           table
           def:grand-total-style
           (list
            (gnc:make-html-table-cell/size
             1 width (gnc:make-html-text (gnc:html-markup-hr)))))
	  (if (gnc:option-value (gnc:lookup-option options "Display" "Totals"))
	      (render-grand-total table width total-collector export?)))
	
        (let* ((current (car splits))
               (current-row-style (if multi-rows? def:normal-row-style
                                      (if odd-row? def:normal-row-style 
                                          def:alternate-row-style)))
               (rest (cdr splits))
               (next (if (null? rest) #f
                         (car rest)))
               (split-value (add-split-row 
                             table 
                             current 
                             used-columns
			     options
                             current-row-style
                             account-types-to-reverse
                             #t)))
          (if multi-rows?
              (add-other-split-rows
               current table used-columns def:alternate-row-style
               account-types-to-reverse))

          (primary-subtotal-collector 'add 
                                      (gnc:gnc-monetary-commodity
                                       split-value) 
                                      (gnc:gnc-monetary-amount
                                       split-value))
          (secondary-subtotal-collector 'add
                                        (gnc:gnc-monetary-commodity
                                         split-value)
                                        (gnc:gnc-monetary-amount
                                         split-value))
          (total-collector 'add
                           (gnc:gnc-monetary-commodity split-value)
                           (gnc:gnc-monetary-amount split-value))

          (if (and primary-subtotal-pred
                   (or (not next)
                       (and next
                            (not (primary-subtotal-pred current next)))))
              (begin 
                (if secondary-subtotal-pred

                    (begin
                      (secondary-subtotal-renderer
                       table width current
                       secondary-subtotal-collector
                       def:secondary-subtotal-style used-columns export?)
                      (secondary-subtotal-collector 'reset #f #f)))

                (primary-subtotal-renderer table width current
                                           primary-subtotal-collector
                                           def:primary-subtotal-style used-columns
                                           export?)

                (primary-subtotal-collector 'reset #f #f)

                (if next
                    (begin 
                      (primary-subheading-renderer
                       next table width def:primary-subtotal-style used-columns)

                      (if secondary-subtotal-pred
                          (secondary-subheading-renderer
                           next 
                           table 
                           width def:secondary-subtotal-style used-columns)))))

              (if (and secondary-subtotal-pred
                       (or (not next)
                           (and next
                                (not (secondary-subtotal-pred
                                      current next)))))
                  (begin (secondary-subtotal-renderer
                          table width current
                          secondary-subtotal-collector
                          def:secondary-subtotal-style used-columns export?)
                         (secondary-subtotal-collector 'reset #f #f)
                         (if next
                             (secondary-subheading-renderer
                              next table width
                              def:secondary-subtotal-style used-columns)))))

          (do-rows-with-subtotals rest 
                                  table 
                                  used-columns
                                  width 
                                  multi-rows?
                                  (not odd-row?)
                                  export?
                                  account-types-to-reverse
                                  primary-subtotal-pred 
                                  secondary-subtotal-pred
                                  primary-subheading-renderer 
                                  secondary-subheading-renderer
                                  primary-subtotal-renderer
                                  secondary-subtotal-renderer
                                  primary-subtotal-collector 
                                  secondary-subtotal-collector 
                                  total-collector))))

  (let* ((table (gnc:make-html-table))
         (width (num-columns-required used-columns))
         (multi-rows? (transaction-report-multi-rows-p options))
	 (export? (transaction-report-export-p options))
         (account-types-to-reverse
          (get-account-types-to-reverse options)))

    (gnc:html-table-set-col-headers!
     table
     (make-heading-list used-columns options))
    ;;     (gnc:warn "Splits:" splits)
    (if (not (null? splits))
        (begin
          (if primary-subheading-renderer 
              (primary-subheading-renderer
               (car splits) table width def:primary-subtotal-style used-columns))
          (if secondary-subheading-renderer
              (secondary-subheading-renderer
               (car splits) table width def:secondary-subtotal-style used-columns))

          (do-rows-with-subtotals splits table used-columns width
                                  multi-rows? #t
                                  export?
                                  account-types-to-reverse
                                  primary-subtotal-pred
                                  secondary-subtotal-pred
                                  primary-subheading-renderer
                                  secondary-subheading-renderer
                                  primary-subtotal-renderer
                                  secondary-subtotal-renderer
                                  (gnc:make-commodity-collector)
                                  (gnc:make-commodity-collector)
                                  (gnc:make-commodity-collector))))
    
    table)))

;; ;;;;;;;;;;;;;;;;;;;;
;; Here comes the renderer function for this report.
(define (trep-renderer report-obj)

  (define options (gnc:report-options report-obj))

  (define (opt-val section name)
    (gnc:option-value
     (gnc:lookup-option options section name)))

  (define comp-funcs-assoc-list
    ;; Defines the different sorting keys, together with the
    ;; subtotal functions. Each entry: (cons
    ;; 'sorting-key-option-value (vector 'query-sorting-key
    ;; subtotal-function subtotal-renderer))
;;  (let* ((used-columns (build-column-used options))) ;; tpo: gives unbound variable options?
    (let* ((used-columns (build-column-used (gnc:report-options report-obj))))
      (list (cons 'account-name  (vector 
                                  (list SPLIT-ACCT-FULLNAME)
                                  split-account-full-name-same-p 
                                  render-account-subheading
                                  render-account-subtotal))
            (cons 'account-code  (vector 
                                  (list SPLIT-ACCOUNT ACCOUNT-CODE-)
                                  split-account-code-same-p
                                  render-account-subheading
                                  render-account-subtotal))
            (cons 'exact-time    (vector
                                  (list SPLIT-TRANS TRANS-DATE-POSTED)
                                  #f #f #f))
            (cons 'date          (vector
                                  (list SPLIT-TRANS TRANS-DATE-POSTED)
                                  #f #f #f))
            (cons 'reconciled-date (vector
                                  (list SPLIT-DATE-RECONCILED)
                                  #f #f #f))
            (cons 'register-order (vector
                                  (list QUERY-DEFAULT-SORT)
                                  #f #f #f))
            (cons 'corresponding-acc-name
                                 (vector
                                  (list SPLIT-CORR-ACCT-NAME)
                                  split-same-corr-account-full-name-p 
                                  render-corresponding-account-subheading
                                  render-corresponding-account-subtotal))
            (cons 'corresponding-acc-code
                                 (vector
                                  (list SPLIT-CORR-ACCT-CODE)
                                  split-same-corr-account-code-p 
                                  render-corresponding-account-subheading
                                  render-corresponding-account-subtotal))
            (cons 'amount        (vector (list SPLIT-VALUE) #f #f #f))
            (cons 'description   (vector (list SPLIT-TRANS TRANS-DESCRIPTION) #f #f #f))
            (if (qof-book-use-split-action-for-num-field (gnc-get-current-book))
                (cons 'number    (vector (list SPLIT-ACTION) #f #f #f))
                (cons 'number    (vector (list SPLIT-TRANS TRANS-NUM) #f #f #f)))
            (cons 't-number      (vector (list SPLIT-TRANS TRANS-NUM) #f #f #f))
            (cons 'memo          (vector (list SPLIT-MEMO) #f #f #f))
            (cons 'none          (vector '() #f #f #f)))))

  (define date-comp-funcs-assoc-list
    ;; Extra list for date option. Each entry: (cons
    ;; 'date-subtotal-option-value (vector subtotal-function
    ;; subtotal-renderer))
    (list
     (cons 'none (vector #f #f #f))
     (cons 'weekly (vector split-same-week-p render-week-subheading
			   render-week-subtotal))
     (cons 'monthly (vector split-same-month-p render-month-subheading 
                            render-month-subtotal))
     (cons 'quarterly (vector split-same-quarter-p render-quarter-subheading 
                            render-quarter-subtotal))
     (cons 'yearly (vector split-same-year-p render-year-subheading
                           render-year-subtotal))))

  (define (get-subtotalstuff-helper 
           name-sortkey name-subtotal name-date-subtotal
           comp-index date-index)
    ;; The value of the sorting-key multichoice option.
    (let ((sortkey (opt-val pagename-sorting name-sortkey)))
      (if (member sortkey date-sorting-types)
          ;; If sorting by date, look up the value of the
          ;; date-subtotalling multichoice option and return the
          ;; corresponding funcs in the assoc-list.
          (vector-ref
           (cdr (assq (opt-val pagename-sorting name-date-subtotal)
                      date-comp-funcs-assoc-list)) 
           date-index)
          ;; For everything else: 1. check whether sortkey has
          ;; subtotalling enabled at all, 2. check whether the
          ;; enable-subtotal boolean option is #t, 3. look up the
          ;; appropriate funcs in the assoc-list.
          (and (member sortkey subtotal-enabled) 
               (and (opt-val pagename-sorting name-subtotal)
                    (vector-ref 
                     (cdr (assq sortkey comp-funcs-assoc-list)) 
                     comp-index))))))
  
  (define (get-query-sortkey sort-option-value)
    (vector-ref 
     (cdr (assq sort-option-value comp-funcs-assoc-list)) 
     0))

  (define (get-subtotal-pred 
           name-sortkey name-subtotal name-date-subtotal)
    (get-subtotalstuff-helper 
     name-sortkey name-subtotal name-date-subtotal
     1 0))

  (define (get-subheading-renderer
           name-sortkey name-subtotal name-date-subtotal)
    (get-subtotalstuff-helper 
     name-sortkey name-subtotal name-date-subtotal
     2 1))

  (define (get-subtotal-renderer
           name-sortkey name-subtotal name-date-subtotal)
    (get-subtotalstuff-helper
     name-sortkey name-subtotal name-date-subtotal
     3 2))

  ;;(define (get-other-account-names account-list)
  ;;  ( map (lambda (acct)  (gnc-account-get-full-name acct)) account-list))

  (define (is-filter-member split account-list)
    (let* ((txn (xaccSplitGetParent split))
           (splitcount (xaccTransCountSplits txn)))

      (cond
        ;; A 2-split transaction - test separately so it can be optimized
        ;; to significantly reduce the number of splits to traverse
        ;; in guile code
        ((= splitcount 2)
         (let* ((other      (xaccSplitGetOtherSplit split))
                (other-acct (xaccSplitGetAccount other)))
               (member other-acct account-list)))

        ;; A multi-split transaction - run over all splits
        ((> splitcount 2)
         (let ((splits (xaccTransGetSplitList txn)))

                ;; Walk through the list of splits.
                ;; if we reach the end, return #f
                ;; if the 'this' != 'split' and the split->account is a member
                ;; of the account-list, then return #t, else recurse
                (define (is-member splits)
                  (if (null? splits)
                      #f
                      (let* ((this (car splits))
                             (rest (cdr splits))
                             (acct (xaccSplitGetAccount this)))
                        (if (and (not (eq? this split))
                                 (member acct account-list))
                            #t
                            (is-member rest)))))

                (is-member splits)))

        ;; Single transaction splits
        (else #f))))


  (gnc:report-starting reportname)
  (let ((document (gnc:make-html-document))
	(c_account_1 (opt-val gnc:pagename-accounts "Accounts"))
	(c_account_2 (opt-val gnc:pagename-accounts "Filter By..."))
	(filter-mode (opt-val gnc:pagename-accounts "Filter Type"))
        (begindate (gnc:timepair-start-day-time
                    (gnc:date-option-absolute-time
                     (opt-val gnc:pagename-general "Start Date"))))
        (enddate (gnc:timepair-end-day-time
                  (gnc:date-option-absolute-time
                   (opt-val gnc:pagename-general "End Date"))))
        (report-title (opt-val 
                       gnc:pagename-general
                       gnc:optname-reportname))
        (primary-key (opt-val pagename-sorting optname-prime-sortkey))
        (primary-order (opt-val pagename-sorting "Primary Sort Order"))
        (secondary-key (opt-val pagename-sorting optname-sec-sortkey))
        (secondary-order (opt-val pagename-sorting "Secondary Sort Order"))
	(void-status (opt-val gnc:pagename-accounts optname-void-transactions))
        (splits '())
        (query (qof-query-create-for-splits)))

    ;;(gnc:warn "accts in trep-renderer:" c_account_1)
    ;;(gnc:warn "Report Account names:" (get-other-account-names c_account_1))

    (if (not (or (null? c_account_1) (and-map not c_account_1)))
        (begin
          (qof-query-set-book query (gnc-get-current-book))
	      ;;(gnc:warn "query is:" query)
          (xaccQueryAddAccountMatch query
                                       c_account_1
                                       QOF-GUID-MATCH-ANY QOF-QUERY-AND)
          (xaccQueryAddDateMatchTS
           query #t begindate #t enddate QOF-QUERY-AND)
          (qof-query-set-sort-order query
				    (get-query-sortkey primary-key)
				    (get-query-sortkey secondary-key)
				    '())

          (qof-query-set-sort-increasing query
                                         (eq? primary-order 'ascend)
                                         (eq? secondary-order 'ascend)
                                         #t)

	  (case void-status
	   ((non-void-only) 
	    (gnc:query-set-match-non-voids-only! query (gnc-get-current-book)))
	   ((void-only)
	    (gnc:query-set-match-voids-only! query (gnc-get-current-book)))
	   (else #f))

          (set! splits (qof-query-run query))

          ;;(gnc:warn "Splits in trep-renderer:" splits)

	  ;;(gnc:warn "Filter account names:" (get-other-account-names c_account_2))

	  ;;This should probably a cond or a case to allow for different filter types.
	  ;;(gnc:warn "Filter Mode: " filter-mode)
	  (if (eq? filter-mode 'include)
	      (begin
		;;(gnc:warn "Including Filter Accounts")
		(set! splits (filter (lambda (split) 
				       (is-filter-member split c_account_2))
				     splits))
		)
	      )

	  (if (eq? filter-mode 'exclude)
	      (begin
		;;(gnc:warn "Excluding Filter Accounts")
		(set! splits (filter (lambda (split) 
				       (not (is-filter-member split c_account_2)))
				     splits))
		)
	      )
	
          (if (not (null? splits))
              (let ((table 
                     (make-split-table 
                      splits 
                      options
                      (get-subtotal-pred optname-prime-sortkey 
                                         optname-prime-subtotal
                                         optname-prime-date-subtotal)
                      (get-subtotal-pred optname-sec-sortkey 
                                         optname-sec-subtotal
                                         optname-sec-date-subtotal)
                      (get-subheading-renderer optname-prime-sortkey 
                                               optname-prime-subtotal
                                               optname-prime-date-subtotal)
                      (get-subheading-renderer optname-sec-sortkey 
                                               optname-sec-subtotal
                                               optname-sec-date-subtotal)
                      (get-subtotal-renderer   optname-prime-sortkey
                                               optname-prime-subtotal
                                               optname-prime-date-subtotal)
                      (get-subtotal-renderer   optname-sec-sortkey
                                               optname-sec-subtotal
                                               optname-sec-date-subtotal))))

                (gnc:html-document-set-title! document
                                              report-title)
                (gnc:html-document-add-object! 
                 document
                 (gnc:make-html-text
                  (gnc:html-markup-h3 
                   (display-date-interval begindate enddate))))
                (gnc:html-document-add-object!
                 document 
                 table)
                (qof-query-destroy query))
              ;; error condition: no splits found
              (let ((p (gnc:make-html-text)))
                (gnc:html-text-append! 
                 p 
                 (gnc:html-markup-h2 
                  (_ "No matching transactions found"))
                 (gnc:html-markup-p
                  (_ "No transactions were found that \
match the time interval and account selection specified \
in the Options panel.")))
                (gnc:html-document-add-object! document p))))

        ;; error condition: no accounts specified
        
        (gnc:html-document-add-object!
         document 
	 (gnc:html-make-no-account-warning 
	  report-title (gnc:report-id report-obj))))

    (gnc:report-finished)
    document))

;; Define the report.
(gnc:define-report
 
 'version 1
 
 'name reportname
 'report-guid "2fe3b9833af044abb929a88d5a59620f"
 
 'options-generator trep-options-generator
 
 'renderer trep-renderer)
