;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
;;;
;;; This file is not part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (nongnu packages wine)
  #:use-module ((guix licenses) :prefix license:)
  #:use-module (guix packages)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system trivial)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (gnu packages base)
  #:use-module (gnu packages bash)
  #:use-module (gnu packages wget)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages gnome)
  #:use-module (gnu packages wine))

(define-public winetricks
  (package
    (name "winetricks")
    (version "20181203")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://github.com/Winetricks/winetricks")
                    (commit version)))
              (file-name (git-file-name name version))
              (sha256
               (base32
                "1as5h5xibpplm619b1i73g974p96q2jnd7fqm28xj3zkqy7qjdm3"))))
    (build-system gnu-build-system)
    (inputs
     `(("wget" ,wget)
       ("cabextract" ,cabextract)
       ("p7zip" ,p7zip)
       ("unzip" ,unzip)
       ;; ("unrar" ,unrar) ; TODO: Include unrar?  It is referenced in the source.
       ("zenity" ,zenity)))
    (arguments
     `(#:tests? #f
       ;; TODO: Checks need bashate, shellcheck (in Guix), and checkbashisms.
       #:make-flags (list (string-append "DESTDIR=" (assoc-ref %outputs "out"))
                          "PREFIX=")
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)
         (add-after 'unpack 'patch-zenity-path
           (lambda* (#:key inputs #:allow-other-keys)
             (let* ((zenity (assoc-ref inputs "zenity"))
                    (zenity-bin (string-append zenity "/bin/zenity")))
               (substitute* "src/winetricks"
                 ;; TODO: There might need more command substitution needed, e.g. wget, 7z, etc.
                 ;; TODO: Add coreutils to the input?
                 (("command -v zenity") (string-append "command -v " zenity-bin))
                 (("WINETRICKS_GUI=zenity") (string-append "WINETRICKS_GUI=" zenity-bin))
                 (("WINETRICKS_GUI_VERSION=\"\\$\\(zenity") (string-append "WINETRICKS_GUI_VERSION=\"$(" zenity-bin)))))))))
    (home-page "https://github.com/Winetricks/winetricks")
    (synopsis "Easy way to work around problems in Wine")
    (description "Winetricks is an easy way to work around problems in Wine.
It has a menu of supported games/apps for which it can do all the workarounds
automatically.  It also allows the installation of missing nonfree DLLs and
tweaking of various Wine settings.")
    (license license:lgpl2.1)))

;; TODO: We could package from source and distribute in upstream Guix.
;; See bug #35031.
(define-public dxvk
  (package
    (name "dxvk")
    (version "1.4")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/doitsujin/dxvk/releases/download/v"
                                  version "/dxvk-" version ".tar.gz"))
              (sha256
               (base32
                "1pl1a5rh66w6wnnjrjj9h1qv84j1j8sm0qdlryyqnwnfw5fph8mz"))))
    (build-system trivial-build-system)
    (native-inputs
     `(("gzip" ,gzip)
       ("tar" ,tar)))
    (inputs
     `(("wine" ,wine64)
       ("bash" ,bash-minimal)))
    (arguments
     `(#:modules ((guix build utils))
       #:builder
       (begin
         (use-modules (guix build utils))
         (let ((out (assoc-ref %outputs "out"))
               (bash (assoc-ref %build-inputs "bash")))
           (setenv "PATH" (string-append
                           (assoc-ref %build-inputs "gzip") "/bin:"
                           (assoc-ref %build-inputs "tar") "/bin"))
           (invoke "tar" "xvf" (assoc-ref %build-inputs "source"))
           (mkdir-p out)
           (copy-recursively (string-append ,name "-" ,version "/") out)
           (chdir out)
           (mkdir-p "bin")
           (rename-file "setup_dxvk.sh" "bin/setup_dxvk")
           (patch-shebang "bin/setup_dxvk" (list (string-append bash "/bin")))
           (substitute* "bin/setup_dxvk"
             (("wine=\"wine\"")
              (string-append "wine=" (assoc-ref %build-inputs "wine") "/bin/wine"))
             (("x32") "../x32")
             (("x64") "../x64")))
         #t)))
    (home-page "https://github.com/doitsujin/dxvk/")
    (synopsis "Vulkan-based D3D11 and D3D10 implementation for Wine")
    (description "Vulkan-based D3D11 and D3D10 implementation for Wine.")
    (license license:zlib)))