;;
;; bank-account.scm
;;
;; Generic bank account records.
;;
;; 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 bank-account))

(module
 (
  make-bank-account
  bank-account-insert
  )

 (import scheme)

 ;; Bank account is represented as a list with list with the following
 ;; elements: list of transactions, account number, bank code. This
 ;; allows cheap transaction prepending.
 (define (make-bank-account number bank)
   (list '() number bank))

 ;; Prepends given transaction to given bank account. It expects the
 ;; transactions list to be the first element of the bank account
 ;; list.
 (define (bank-account-insert account transaction)
   (cons (cons transaction (car account))
	 (cdr account)))

 (define (make-bank-transaction id date amount currency varsym)
   #f)

 )