;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 John Darrington <jmd@gnu.org>
;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2019 by Amar Singh <nly@disroot.org>
;;;
;;; This file is 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 (gnu packages astronomy)
  #:use-module (guix packages)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix utils)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages image)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages version-control)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages xiph)
  #:use-module (gnu packages pretty-print)
  #:use-module (gnu packages algebra)
  #:use-module (gnu packages lua)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages gl)
  #:use-module (gnu packages qt)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages gnome)
  #:use-module (gnu packages maths)
  #:use-module (guix build-system cmake)
  #:use-module (guix build-system gnu)
  #:use-module (srfi srfi-1))

(define-public cfitsio
  (package
    (name "cfitsio")
    (version "3.47")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://heasarc.gsfc.nasa.gov/FTP/software/fitsio/c/"
             name "-" version ".tar.gz"))
       (sha256
        (base32 "1vzlxnrjckz78p2wf148v2z3krkwnykfqvlj42sz3q711vqid1a1"))))
    (build-system gnu-build-system)
    ;; XXX Building with curl currently breaks wcslib.  It doesn't use
    ;; pkg-config and hence won't link with -lcurl.
    (arguments
     `(#:tests? #f ; no tests
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch-paths
           (lambda _
             (substitute* "Makefile.in" (("/bin/") ""))
             #t)))))
    (home-page "https://heasarc.gsfc.nasa.gov/fitsio/fitsio.html")
    (synopsis "Library for reading and writing FITS files")
    (description "CFITSIO provides simple high-level routines for reading and
writing @dfn{FITS} (Flexible Image Transport System) files that insulate the
programmer from the internal complexities of the FITS format. CFITSIO also
provides many advanced features for manipulating and filtering the information
in FITS files.")
    (license (license:non-copyleft "file://License.txt"
                          "See License.txt in the distribution."))))

(define-public wcslib
  (package
    (name "wcslib")
    (version "6.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "ftp://ftp.atnf.csiro.au/pub/software/wcslib/wcslib" version
             ".tar.bz2"))
       (sha256
        (base32 "01fqckazhbfqqhyr0wd9vcks1m2afmsh83l981alxg2r54jgwkdv"))))
    (inputs
     `(("cfitsio" ,cfitsio)))
    (build-system gnu-build-system)
    (arguments
     `(#:configure-flags
       (list (string-append "--with-cfitsiolib="
                            (assoc-ref %build-inputs "cfitsio") "/lib")
             (string-append "--with-cfitsioinc="
                            (assoc-ref %build-inputs "cfitsio") "/include"))
       #:phases
       (modify-phases %standard-phases
         (add-before 'configure 'patch-/bin/sh
           (lambda _
             (substitute* "makedefs.in"
               (("/bin/sh") "sh"))
             #t))
         (delete 'install-license-files)) ; installed by ‘make install’
       ;; Parallel execution of the test suite is not supported.
       #:parallel-tests? #f))
    (home-page "https://www.atnf.csiro.au/people/mcalabre/WCS")
    (synopsis "Library which implements the FITS WCS standard")
    (description "The FITS \"World Coordinate System\" (@dfn{WCS}) standard
defines keywords and usage that provide for the description of astronomical
coordinate systems in a @dfn{FITS} (Flexible Image Transport System) image
header.")
    (license license:lgpl3+)))

(define-public gnuastro
  (package
    (name "gnuastro")
    (version "0.9")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "mirror://gnu/gnuastro/gnuastro-"
                           version ".tar.lz"))
       (sha256
        (base32
         "1c1894ixz3l8p1nmzkysgl9lz8vpqbfw1dd404kh6lvrpml7jzig"))))
    (inputs
     `(("cfitsio" ,cfitsio)
       ("gsl" ,gsl)
       ("libjpeg" ,libjpeg)
       ("libtiff" ,libtiff)
       ("wcslib" ,wcslib)
       ("zlib" ,zlib)))
    (native-inputs
     `(("libtool" ,libtool)
       ("lzip" ,lzip)))
    (build-system gnu-build-system)
    (home-page "https://www.gnu.org/software/gnuastro/")
    (synopsis "Astronomy utilities")
    (description "The GNU Astronomy Utilities (Gnuastro) is a suite of
programs for the manipulation and analysis of astronomical data.")
    (license license:gpl3+)))

(define-public stellarium
  (package
    (name "stellarium")
    (version "0.19.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://github.com/Stellarium/stellarium"
                           "/releases/download/v" version
                           "/stellarium-" version ".tar.gz"))
       (sha256
        (base32 "0s7v5iyhah258k83kvy2a91a3mdf34r150lcar4mmdsrrcmas98g"))))
    (build-system cmake-build-system)
    (inputs
     `(("qtbase" ,qtbase)
       ("qtlocation" ,qtlocation)
       ("qtmultimedia" ,qtmultimedia)
       ("qtscript" ,qtscript)
       ("qtserialport" ,qtserialport)
       ("zlib" ,zlib)))
    (native-inputs
     `(("gettext" ,gettext-minimal)     ; xgettext is used at compile time
       ("perl" ,perl)                   ; For pod2man
       ("qtbase" ,qtbase)               ; Qt MOC is needed at compile time
       ("qttools" ,qttools)))
    (arguments
     `(#:test-target "test"
       #:configure-flags (list "-DENABLE_TESTING=1"
                               (string-append
                                "-DCMAKE_CXX_FLAGS=-isystem "
                                (assoc-ref %build-inputs "qtserialport")
                                "/include/qt5"))
       #:phases (modify-phases %standard-phases
                  (add-before 'check 'set-offscreen-display
                    (lambda _
                      ;; make Qt render "offscreen", required for tests
                      (setenv "QT_QPA_PLATFORM" "offscreen")
                      (setenv "HOME" "/tmp")
                      #t)))))
    (home-page "https://stellarium.org/")
    (synopsis "3D sky viewer")
    (description "Stellarium is a planetarium.  It shows a realistic sky in
3D, just like what you see with the naked eye, binoculars, or a telescope.  It
can be used to control telescopes over a serial port for tracking celestial
objects.")
    (license license:gpl2+)))

(define-public celestia
  (let ((commit "9dbdf29c4ac3d20afb2d9a80d3dff241ecf81dce"))
    (package
      (name "celestia")
      (version (git-version "1.6.1" "815" commit))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/celestiaproject/celestia")
                      (commit commit)))
                (file-name (git-file-name name version))
                (sha256
                 (base32
                  "00xibg87l1arzifakgj7s828x9pszcgx7x7ij88a561ig49ryh78"))))
      (build-system cmake-build-system)
      (native-inputs
       `(("perl" ,perl)
         ("libgit2" ,libgit2)
         ("pkg-config" ,pkg-config)
         ("libtool" ,libtool)
         ("gettext" ,gettext-minimal)))
      (inputs
       `(("glu" ,glu)
         ("glew" ,glew)
         ("libtheora" ,libtheora)
         ("libjpeg" ,libjpeg)
         ("libpng" ,libpng)
         ;; maybe required?
         ("mesa" ,mesa)
         ;; optional: fmtlib, Eigen3;
         ("fmt" ,fmt)
         ("eigen" ,eigen)
         ;; glut: for glut interface
         ("freeglut" ,freeglut)))
      (propagated-inputs
       `(("lua" ,lua)))
      (arguments
       `(#:configure-flags '("-DENABLE_GLUT=ON" "-DENABLE_QT=OFF")
         #:tests? #f))                            ;no tests
      (home-page "https://celestia.space/")
      (synopsis "Real-time 3D visualization of space")
      (description
       "This simulation program lets you explore our universe in three
dimensions.  Celestia simulates many different types of celestial objects.
From planets and moons to star clusters and galaxies, you can visit every
object in the expandable database and view it from any point in space and
time.  The position and movement of solar system objects is calculated
accurately in real time at any rate desired.")
      (license license:gpl2+))))

(define-public celestia-gtk
  (package
    (inherit celestia)
    (name "celestia-gtk")
    (inputs
     (append (alist-delete "freeglut" (package-inputs celestia))
             `(("gtk2" ,gtk+-2)
               ("gtkglext" ,gtkglext))))
    (arguments
     `(#:configure-flags '("-DENABLE_GTK=ON" "-DENABLE_QT=OFF")
       #:tests? #f))))