;; disfluid, implementation of the Solid specification
;; Copyright (C) 2021  Vivien Kraus

;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU Affero 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 Affero General Public License for more details.

;; You should have received a copy of the GNU Affero General Public License
;; along with this program.  If not, see <https://www.gnu.org/licenses/>.

(define-module (webid-oidc client gui authorization-prompt)
  #:use-module (gi)
  #:use-module (gi types)
  #:use-module (gi util)
  #:use-module (ice-9 match)
  #:use-module (ice-9 exceptions)
  #:use-module (ice-9 i18n)
  #:use-module (ice-9 receive)
  #:use-module (ice-9 optargs)
  #:use-module (ice-9 pretty-print)
  #:use-module (srfi srfi-9)
  #:use-module (srfi srfi-19)
  #:use-module (srfi srfi-26)
  #:use-module (webid-oidc errors)
  #:use-module ((webid-oidc stubs) #:prefix stubs:)
  #:use-module (webid-oidc web-i18n)
  #:use-module ((webid-oidc config) #:prefix config:)
  #:use-module (webid-oidc client client)
  #:use-module (webid-oidc client accounts)
  #:use-module (webid-oidc client application)
  #:use-module ((webid-oidc client gui settings) #:prefix settings:)
  #:use-module (webid-oidc jwk)
  #:use-module (webid-oidc oidc-id-token)
  #:use-module (web uri)
  #:use-module (web response)
  #:use-module (rnrs bytevectors)
  #:use-module (oop goops)
  #:declarative? #t
  #:duplicates (merge-generics)
  #:export
  (
   ->widget
   ))

(push-duplicate-handler! 'merge-generics)

;; This avoids a crash when compiling the module
(use-typelibs ("GdkPixbuf" "2.0")
              ("Gtk" "3.0"))

(define format:format
  (@ (ice-9 format) format))

(define-method (->widget (prompt <authorization-prompt>))
  (let ((builder
         (builder:new-from-file
          (string-append config:uidir "/authorization-prompt.glade"))))
    (let ((whole-widget
           (builder:get-object builder "authorization_prompt"))
          (reason-label
           (builder:get-object builder "reason"))
          (link-button
           (builder:get-object builder "authorization_link"))
          (entry
           (builder:get-object builder "authorization_code_entry"))
          (ok
           (builder:get-object builder "ok_button")))
      (label:set-text reason-label
                      (format:format #f (G_ "Your authorization is required: ~a")
                                     (reason prompt)))
      (link-button:set-uri link-button (uri->string (authorization-uri prompt)))
      ((@ (gi) connect) entry activate
       (lambda _
         (button:clicked ok)))
      ((@ (gi) connect) ok clicked
       (lambda _
         (let ((code (entry:get-text entry)))
           (widget:set-sensitive entry #f)
           (widget:set-sensitive ok #f)
           (receive (_ new-state)
               (fold-authorization-prompts
                (settings:application-state)
                (match-lambda*
                  ((_ p)
                   (values #t
                           (and (equal? p (authorization-uri prompt))
                                code))))
                #t)
             (settings:application-state new-state)))))
      (values builder whole-widget))))