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;;; Copyright © 2019 - 2024 Jakob L. Kreuze <zerodaysfordays@sdf.org>
;;;
;;; 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 3 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, see
;;; <http://www.gnu.org/licenses/>.


;;; Commentary:
;;
;; TODO
;;
;;; Code:

(define-module (jakob builder cookbook)
  #:use-module (haunt artifact)
  #:use-module (haunt html)
  #:use-module (haunt post)
  #:use-module (haunt reader)
  #:use-module (haunt site)
  #:use-module (haunt utils)
  #:use-module (ice-9 ftw)
  #:use-module (ice-9 match)
  #:use-module (srfi srfi-11)
  #:export (flat-pages))

(define* (cookbook directory #:key template prefix)
  ;; TODO: Document me
  (lambda (site posts)
    ;; Recursively scan the directory and generate a page for each
    ;; file found.
    (define (enter? file-name stat memo) #t)
    (define (noop file-name stat memo) memo)
    (define keep? (site-file-filter site))
    (define (leaf file-name stat memo)
      (if (keep? file-name) (cons file-name memo) memo))
    (define (err file-name stat errno memo)
      (error "flat page directory scanning failed" file-name errno))
    (define src-files
      (file-system-fold enter? leaf noop noop noop err '() directory))
    ;; (define (strip-extension file-name)
    ;;   (basename file-name
    ;;             (string-append "." (file-extension file-name))))
    ;; (map (lambda (file-name)
    ;;        (match (reader-find (site-readers site) file-name)
    ;;          (reader
    ;;           (let-values (((metadata body) (reader-read reader file-name)))
    ;;             (let* ((dir (substring (dirname file-name)
    ;;                                    (string-length directory)))
    ;;                    (out (string-append (or prefix "/") dir
    ;;                                        (if (string-null? dir) "" "/")
    ;;                                        (strip-extension file-name) ".html"))
    ;;                    (title (or (assq-ref metadata 'title) "Untitled")))
    ;;               (serialized-artifact out (template site title body)
    ;;                                    sxml->html))))
    ;;          (#f (error "no reader available for page" file-name))))
    ;;      src-files)
    ))