(setq load-path (append '("@abs_top_srcdir@/elisp/") ; for hoa-mode.el
			load-path))

(setq debug-on-error t)

;;; Some combination of GNU TLS and Emacs fail to retrieve archive
;;; contents over https.
;;; https://www.reddit.com/r/emacs/comments/cdf48c/failed_to_download_gnu_archive/
;;; https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34341
(if (and (version< emacs-version "26.3") (>= libgnutls-version 30600))
    (setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3"))
; work around obsolete ELPA signatures :-(
(setq package-check-signature 'nil)

(package-initialize)
(require 'cl)
(setq features-before features)

(require 'org-version)
(print (org-version nil t t))
(print (concat "Org " org-version))

; The Org version that ships with emacs is usually too old.
(when (version< org-version "9.1")
  (warn "Org-mode is too old; attempting to download a more recent version")
  ;; we need to unload any bits of org that were loaded before calling
  ;; install package, otherwise the byte code might mix the two versions.
  (dolist (feature (set-difference features features-before))
    (when (and (featurep feature)
               (let ((feature-name (symbol-name feature)))
                 (or (string-prefix-p "org" feature-name)
                     (string-prefix-p "ob" feature-name))))
      (message "unloading feature %s" feature)
      (unload-feature feature t)))
  ;; install org-plus-contrib, not org, as the former includes htmlize
  (add-to-list 'package-archives '("gnu" . "https://elpa.gnu.org/packages/") t)
  (package-refresh-contents)
  (let ((org (cadr (assq 'org package-archive-contents))))
    (package-install org)))

(let ((have-htmlize (require 'htmlize nil t))
      (have-ess (require 'ess nil t)))
  (unless (and have-htmlize have-ess)
    (add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/") t)
    (package-refresh-contents)
    (unless have-htmlize
      (let ((htmlize (cadr (assq 'htmlize package-archive-contents))))
        (package-install htmlize)))
    (unless have-ess
      (let ((ess (cadr (assq 'ess package-archive-contents))))
        (package-install ess)))))

(require 'ox-publish)
(require 'org-install)
(require 'hoa-mode)

; See https://github.com/emacs-ess/ESS/issues/1052
(setq ess-gen-proc-buffer-name-function 'ess-gen-proc-buffer-name:directory)
(setq ess-use-flymake nil)

(setq org-export-htmlize-output-type 'css)
(setq org-html-htmlize-output-type 'css)
; the .org-timestamp directory does not always exist, is not always
; created by org, and that causes issues on our buildfarm.
(setq org-publish-use-timestamps-flag nil)
;; The default value of writing to ~/.org-timestamps causes race
;; conditions when doing concurrent builds.
(setq org-publish-timestamp-directory "@abs_top_builddir@/.org-timestamps/")

;; Prevent tabs from being inserted when org-mode reindent some code.
(setq-default indent-tabs-mode nil)

(org-babel-do-load-languages
 'org-babel-load-languages
 `((,(if (version< org-version "8.3") 'sh 'shell) . t)
   (dot . t)
   (python . t)
   (plantuml . t)
   (R . t)
   (C . t)))
(setq org-confirm-babel-evaluate nil)
(setq org-plantuml-jar-path "@abs_top_builddir@/doc/org/plantuml.jar")
(setq org-babel-temporary-directory "@abs_top_builddir@/doc/org/tmp")
;;; the directory might already exist from a previously aborted run.
(if (file-directory-p org-babel-temporary-directory)
    (delete-directory org-babel-temporary-directory t))
(make-directory org-babel-temporary-directory t)
(setq org-babel-python-command "@PYTHON@")
(setq org-babel-C++-compiler "./g++wrap")
(setq shell-file-name "@SHELL@")
(setq ess-ask-for-ess-directory nil)

(setq org-babel-default-header-args:plantuml
      '((:results . "file")
        (:exports . "results")
        ;; Prevent the plantuml logo to appear on top of whatever you
        ;; are doing when the project compiles in the background.
        (:java . "-Djava.awt.headless=true")))

(setenv "PATH"
	(concat "@abs_top_builddir@/bin" path-separator (getenv "PATH")))
(setenv "SPOT_UNINSTALLED" "1")
(setenv "PYTHONPATH"
	(concat "@abs_top_builddir@/python/.libs:"
		"@abs_top_builddir@/python:"
		"@abs_top_srcdir@/python:"
		"@abs_top_builddir@/python/spot/.libs:"
		"@abs_top_builddir@/python/spot:"
		"@abs_top_builddir@/spot/ltsmin/.libs"
		"@abs_top_srcdir@/python/spot:"
		(getenv "PYTHONPATH")))
(setenv "DYLD_LIBRARY_PATH"
	(concat "@abs_top_builddir@/python/.libs:@abs_top_builddir@/spot/.libs:@abs_top_builddir@/buddy/src/.libs:"
		(getenv "DYLD_LIBRARY_PATH")))
(setenv "SPOT_DOTDEFAULT" "Brf(Lato)C(#ffffa0)")
(setenv "SPOT_DOTEXTRA" "node[fontsize=12] fontsize=12 stylesheet=\"spot.css\" edge[arrowhead=vee, arrowsize=.7, fontsize=12]")

(setq org-export-html-home/up-format
"<div id=\"org-div-home-and-up\" style=\"text-align:center;white-space:nowrap;\">
 <a accesskey=\"h\" href=\"%s\">UP</a> | <a accesskey=\"H\" href=\"%s\">HOME</a>
</div>")

(setq org-export-html-postamble nil)
(setq org-html-table-header-tags
      '("<th scope=\"%s\"%s><div><span>" . "</span></div></th>"))

(defun spot-sitemap-format-entry (entry style project)
  "Export a sitemap entry in a why that we can order them meaningfully.
If file ENTRY has HTML_LINK_UP pointing to file up.html, and file
up.html points to index.html, then the result is:
      index.org/up.org/entry.org/ [[entry.org][TITLE]]"
  (let ((linkup (org-publish-find-property entry :html-link-up project 'html))
        (trail (concat entry "/ ")))
    (while (and linkup (string-match "^\\(.*\\)\.html$" linkup))
      (let ((match (concat (match-string 1 linkup) ".org")))
        (if (string= match entry)
            (setq linkup nil)
          (setq linkup (org-publish-find-property match :html-link-up
                                                  project 'html)
                trail (concat match "/" trail)))))
    (concat trail (org-publish-sitemap-default-entry entry style project))))

(defun spot-sitemap-reorder (entries)
  (sort entries (lambda (a b) (string< (car a) (car b)))))

(defun spot-publish-sitemap (title thelist)
  "Build Spot's sitemap.

  This is done by sorting all lines, and then replacing
  - index.org/up.org/entry.org/ [[entry.org][TITLE]]
  by
  - [[entry.org][TITLE]]
  but indented according to the number of 'fake directory' parts."
  (let ((body (org-list-to-org (cons 'unordered
                                 (spot-sitemap-reorder (cdr thelist))))))
    (while
        (let* ((res (replace-regexp-in-string "\\([:space:]*\\)- [^/[:space:]]+/" "  \\1- " body))
               (cmp (string= res body)))
          (setq body res)
          (not cmp)))
    (concat "#+TITLE: " title
            "\n#+SETUPFILE: setup.org\n#+HTML_LINK_UP: index.html\n\n"
            body)))

(setq org-publish-project-alist
      '(("spot-html"
	:base-directory "@abs_top_srcdir@/doc/org/"
	:base-extension "org"
	:publishing-directory "@abs_top_srcdir@/doc/userdoc/"
	:recursive t
	:exclude "setup.org"
	:auto-sitemap t
	:sitemap-title "Sitemap for Spot"
        :sitemap-function spot-publish-sitemap
        :sitemap-format-entry spot-sitemap-format-entry
	:publishing-function org-html-publish-to-html
	:html-head "<link rel=\"stylesheet\" type=\"text/css\" href=\"spot.css\" />"
	:auto-preamble t)
       ("spot-static"
	:base-directory "@abs_top_srcdir@/doc/org/"
	:base-extension "css\\|js\\|png\\|svg\\|jpg\\|gif\\|pdf"
	:publishing-directory "@abs_top_srcdir@/doc/userdoc/"
	:recursive t
	:publishing-function org-publish-attachment)
       ("spot-all" :components ("spot-html" "spot-static"))))




;;; Org-mode 9.5 is now using <img> to render SVG images.
;;; Unfortunately, this breaks SVG images that use external style
;;; sheets as <img> are expected to be self-contained.
;;;
;;; Since we do use such external style-sheets and never had
;;; any issue with <object type="image/svg+xml"...>, we revert
;;; to the previous behavior.
;;;
;;; The following function is based on org-html--svg-image from
;;; Org-mode 9.4.5, with the addition of the SVG extension test.
(defun spot-svg-output-as-object (source attributes info)
  "If source is an SVG file, return an \"object\" embedding svg file
SOURCE with given ATTRIBUTES.
INFO is a plist used as a communication channel.  Otherwise return nil.

The special attribute \"fallback\" can be used to specify a
fallback image file to use if the object embedding is not
supported.  CSS class \"org-svg\" is assigned as the class of the
object unless a different class is specified with an attribute."
  (when (string= "svg" (file-name-extension source))
    (let ((fallback (plist-get attributes :fallback))
          (attrs (org-html--make-attribute-string
                  (org-combine-plists
                   ;; Remove fallback attribute, which is not meant to
                   ;; appear directly in the attributes string, and
                   ;; provide a default class if none is set.
                   '(:class "org-svg") attributes '(:fallback nil)))))
      (format "<object type=\"image/svg+xml\" data=\"%s\" %s>\n%s</object>"
              source
              attrs
              (if fallback
                  (org-html-close-tag
                   "img" (format "src=\"%s\" %s" fallback attrs) info)
                "Sorry, your browser does not support SVG.")))))
;;; Hack org-html--format-image to call the above first.
;;; (The org-html--svg-image function was removed when the formater code
;;; switched to <img> for SVG.)
(unless (fboundp 'org-html--svg-image)
  (advice-add 'org-html--format-image :before-until 'spot-svg-output-as-object))

(org-publish-all t)
;;; org-babel-remove-temporary-directory does not correctly remove
;;; nested directories and we have some files in tmp/.libs/ because of
;;; libtool.  So we have to clean that ourselves.
(if (file-directory-p org-babel-temporary-directory)
    (delete-directory org-babel-temporary-directory t))