class Libgweather < Formula
  desc "GNOME library for weather, locations and timezones"
  homepage "https://wiki.gnome.org/Projects/LibGWeather"
  url "https://download.gnome.org/sources/libgweather/3.28/libgweather-3.28.1.tar.xz"
  sha256 "157a8388532a751b36befff424b11ed913b2c43689b62cd2060f6847eb730be3"

  bottle do
    sha256 "b96a79ab676438c7e657c17e0fbaacae2e3db041fc66254aae58dadf32b11d70" => :high_sierra
    sha256 "9655e4d9cba44c13e48fa5b661c0c5a121d266ce002e8bcdf32c3c5f30d20b71" => :sierra
    sha256 "9e5e4cd5ae1384d401cde7b3ec8b098b914230fdc3bbd584b382cd5fda0c181e" => :el_capitan
  end

  depends_on "gobject-introspection" => :build
  depends_on "pkg-config" => :build
  depends_on "meson-internal" => :build
  depends_on "ninja" => :build
  depends_on "python" => :build
  depends_on "gtk+3"
  depends_on "geocode-glib"
  depends_on "libsoup"
  depends_on "vala" => :optional

  def install
    ENV.refurbish_args
    ENV["DESTDIR"] = ""
    inreplace "meson/meson_post_install.py", "if not os.environ.get('DESTDIR'):", "if 'DESTDIR' not in os.environ:"

    mkdir "build" do
      system "meson", "--prefix=#{prefix}", ".."
      system "ninja"
      system "ninja", "install"
    end
  end

  def post_install
    system "#{Formula["glib"].opt_bin}/glib-compile-schemas", "#{HOMEBREW_PREFIX}/share/glib-2.0/schemas"
  end

  test do
    (testpath/"test.c").write <<~EOS
      #include <libgweather/gweather.h>

      int main(int argc, char *argv[]) {
        GType type = gweather_info_get_type();
        return 0;
      }
    EOS
    ENV.libxml2
    atk = Formula["atk"]
    cairo = Formula["cairo"]
    fontconfig = Formula["fontconfig"]
    freetype = Formula["freetype"]
    gdk_pixbuf = Formula["gdk-pixbuf"]
    gettext = Formula["gettext"]
    glib = Formula["glib"]
    gtkx3 = Formula["gtk+3"]
    libepoxy = Formula["libepoxy"]
    libpng = Formula["libpng"]
    libsoup = Formula["libsoup"]
    pango = Formula["pango"]
    pixman = Formula["pixman"]
    flags = %W[
      -I#{atk.opt_include}/atk-1.0
      -I#{cairo.opt_include}/cairo
      -I#{fontconfig.opt_include}
      -I#{freetype.opt_include}/freetype2
      -I#{gdk_pixbuf.opt_include}/gdk-pixbuf-2.0
      -I#{gettext.opt_include}
      -I#{glib.opt_include}/gio-unix-2.0/
      -I#{glib.opt_include}/glib-2.0
      -I#{glib.opt_lib}/glib-2.0/include
      -I#{gtkx3.opt_include}/gtk-3.0
      -I#{include}/libgweather-3.0
      -I#{libepoxy.opt_include}
      -I#{libpng.opt_include}/libpng16
      -I#{libsoup.opt_include}/libsoup-2.4
      -I#{pango.opt_include}/pango-1.0
      -I#{pixman.opt_include}/pixman-1
      -D_REENTRANT
      -L#{atk.opt_lib}
      -L#{cairo.opt_lib}
      -L#{gdk_pixbuf.opt_lib}
      -L#{gettext.opt_lib}
      -L#{glib.opt_lib}
      -L#{gtkx3.opt_lib}
      -L#{lib}
      -L#{pango.opt_lib}
      -latk-1.0
      -lcairo
      -lcairo-gobject
      -lgdk-3
      -lgdk_pixbuf-2.0
      -lgio-2.0
      -lglib-2.0
      -lgobject-2.0
      -lgtk-3
      -lgweather-3
      -lintl
      -lpango-1.0
      -lpangocairo-1.0
    ]
    system ENV.cc, "-DGWEATHER_I_KNOW_THIS_IS_UNSTABLE=1", "test.c", "-o", "test", *flags
    system "./test"
  end
end