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;;; Copyright © 2019 - 2023 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/>.

(define-module (jakob dynamic capabilities rsvp-form)
  ;; #:use-module (gcrypt base64)
  #:use-module (haunt html)
  ;; #:use-module (ice-9 match)
  #:use-module (jakob dynamic capabilities rsvp)
  ;; #:use-module (jakob dynamic captcha)
  ;; #:use-module (jakob dynamic util)
  #:use-module (jakob theme)
  #:use-module (jakob utils sxml)
  ;; #:use-module (json)
  #:use-module (srfi srfi-1)
  ;; #:use-module (srfi srfi-11)
  #:use-module (web request)
  ;; #:use-module (web response)
  #:use-module (web uri)
  #:export (get-rsvp-form))

(define (event-name invitation-code)
  (let ((event-info (event-info-internal invitation-code)))
    (assoc-ref event-info 'title)))

(define (render-rsvp-form invitation-code)
  (let ((event-info (event-info-internal invitation-code)))
    `((div (@ (id "rsvp"))
       (div (@ (id "event-info"))
            (h1 ,(assoc-ref event-info 'title))
            ,@(if (assoc-ref event-info 'image)
                  (list `(img (@ (style "float: right; max-size: 200px; margin: 16px;")
                                 (src ,(format #f "data:image/png;base64,~a" (assoc-ref event-info 'image)))))
                        '()))
            (p ,(assoc-ref event-info 'location))
            (p ,(assoc-ref event-info 'date))
            (p ,(assoc-ref event-info 'description))
       (form (@ (id "rsvp-input"))
        (fieldset
         (legend "Your Info")
         (label (@ (for "name")) "Name:")
         (input (@ (type "text") (id "name") (name "name") (required #t) (size 24)))
         (label (@ (for "email")) "Email:")
         (input (@ (type "text") (id "email") (name "email") (required #t) (size 24))))
        (fieldset
         (legend "RSVP Status")
         (input (@ (type "radio") (id "attending") (name "rsvp")))
         (label (@ (for "attending")) "Attending")
         (input (@ (type "radio") (id "tentative") (name "rsvp")))
         (label (@ (for "tentative")) "Tentative")
         (input (@ (type "radio") (id "not-attending") (name "rsvp")))
         (label (@ (for "not-attending")) "Not Attending"))
        (fieldset
         (legend "Guests")
         (div (@ (id "guest-view")))
         (input (@ (type "button") (id "add-entry") (value "+")))
         (input (@ (type "button") (id "remove-entry") (value "-"))))
        (fieldset
         (legend "All Set?")
         (input (@ (type "button") (id "submit-form") (value "Submit")))))
       (div (@ (id "rsvp-global"))))))))

(define (get-rsvp-form request body)
  ;; TODO
  (let* ((path-encoded (uri-path (request-uri request)))
         (path (split-and-decode-uri-path path-encoded))
         (invitation-code (last path))
         (form (render-rsvp-form invitation-code)))
    (values '((content-type . (text/html)))
            (sxml->html-string
             (theme
              #:title (format #f "You've Been Invited to ~a!" (event-name invitation-code))
              #:content form)))))