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;; Tekuti
;; Copyright (C) 2008, 2010, 2012 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)
    `((div (@ (class "navbar navbar-inverse navbar-fixed-top"))
           (div (@ (class "navbar-inner"))
                (div (@ (class "container"))
                     (a (@ (class "btn btn-navbar")
                           (data-toggle "collapse")
                           (data-target ".nav-collapse"))
                        (span (@ (class "icon-bar")) "")
                        (span (@ (class "icon-bar")) "")
                        (span (@ (class "icon-bar")) ""))
                     (a (@ (class "brand")
                           (href "/"))
                        ,*title*)
                     (div (@ (class "nav-collapse collapse"))
                          (ul (@ (class "nav"))
                              ,(if (null? *navbar-links*)
                                   '()
                                   (map (lambda (x)
                                          `(li (a (@ (href ,(cdr x)))
                                                  ,(car x))))
                                        *navbar-links*)))))))))
  `(html
    (head (title ,title)
          (meta (@ (name "Generator")
                   (content "An unholy concoction of parenthetical guile")))
          (link (@ (rel "stylesheet")
                   (href ,*bootstrap-base* "/css/bootstrap.min.css")))
          (style "body { padding-top: 60px; }")
          (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
     ,@(make-navbar)
     (div (@ (class "container"))
          (div (@ (id "content")) ,@body)
          (div (@ (id "footer"))
               "powered by "
               (a (@ (href "http://wingolog.org/software/tekuti/"))
                  "tekuti")
               ", "
               (a (@ (href "http://twitter.github.com/bootstrap/"))
                  "bootstrap")))
     (script (@ (src ,*bootstrap-base* "/js/bootstrap.min.js"))))))