;; Tekuti
;; Copyright (C) 2008, 2010 Andy Wingo <wingo at pobox dot com>

;; 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, contact:
;;
;; Free Software Foundation           Voice:  +1-617-542-5942
;; 59 Temple Place - Suite 330        Fax:    +1-617-542-2652
;; Boston, MA  02111-1307,  USA       gnu@gnu.org

;;; Commentary:
;;
;; This is the main script that will launch tekuti.
;;
;;; Code:

(define-module (tekuti template)
  #:use-module (web uri)
  #:use-module (tekuti config)
  #:use-module (tekuti page-helpers)
  #:export (templatize))

(define* (templatize #:key
                     (title *title*)
                     (body '((p "(missing content?)"))))
  (define (href . args)
    `(href ,(string-append "/" (encode-and-join-uri-path
                                (append *public-path-base* args)))))
  (define (list-join l infix)
    "Infixes @var{infix} into list @var{l}."
    (if (null? l) l
        (let lp ((in (cdr l)) (out (list (car l))))
          (cond ((null? in) (reverse out))
                (else (lp (cdr in) (cons* (car in) infix out)))))))
  (define (make-navbar)
    (if (null? *navbar-links*)
        '()
        `((div (@ (id "navbar"))
               ,@(list-join
                  (map (lambda (x) `(a (@ (href ,(cdr x))) ,(car x)))
                       *navbar-links*)
                  *navbar-infix*)))))
  `(html
    (head (title ,title)
          (meta (@ (name "Generator")
                   (content "An unholy concoction of parenthetical guile")))
          (link (@ (rel "stylesheet")
                   (type "text/css")
                   (media "screen")
                   (href ,*css-file*)))
          (link (@ (rel "alternate")
                   (type "application/rss+xml")
                   (title ,*title*)
                   (href ,(relurl `("feed" "atom"))))))
    (body
     (div (@ (id "rap"))
          (h1 (@ (id "header"))
              (a (@ ,(href "")) ,*title*))
          ,@(make-navbar)
          (div (@ (id "content")) ,@body)
          (div (@ (id "footer"))
               "powered by "
               (a (@ (href "http://wingolog.org/software/tekuti/"))
                  "tekuti"))))))