class GtkMacIntegration < Formula
  desc "API to integrate GTK OS X applications with the Mac desktop"
  homepage "https://wiki.gnome.org/Projects/GTK+/OSX/Integration"
  url "https://download.gnome.org/sources/gtk-mac-integration/2.0/gtk-mac-integration-2.0.8.tar.xz"
  sha256 "74fce9dbc5efe4e3d07a20b24796be1b1d6c3ac10a0ee6b1f1d685c809071b79"

  depends_on "pkg-config" => :build
  depends_on "gtk+"
  depends_on "gtk+3" => :recommended

  def install
    args = %W[
      --disable-debug
      --disable-dependency-tracking
      --disable-silent-rules
      --prefix=#{prefix}
      --with-gtk2
      --enable-python=no
      --enable-introspection=no
    ]

    args << ((build.without? "gtk+3") ? "--without-gtk3" : "--with-gtk3")
    system "./configure", *args
    system "make", "install"
  end

  test do
    (testpath/"test.c").write <<-EOS.undent
      #include <gtkosxapplication.h>

      int main(int argc, char *argv[]) {
        gchar *bundle = gtkosx_application_get_bundle_path();
        return 0;
      }
    EOS
    atk = Formula["atk"]
    cairo = Formula["cairo"]
    fontconfig = Formula["fontconfig"]
    freetype = Formula["freetype"]
    gdk_pixbuf = Formula["gdk-pixbuf"]
    gettext = Formula["gettext"]
    glib = Formula["glib"]
    gtkx = Formula["gtk+"]
    libpng = Formula["libpng"]
    pango = Formula["pango"]
    pixman = Formula["pixman"]
    flags = (ENV.cflags || "").split + (ENV.cppflags || "").split + (ENV.ldflags || "").split
    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}/glib-2.0
      -I#{glib.opt_lib}/glib-2.0/include
      -I#{gtkx.opt_include}/gtk-2.0
      -I#{gtkx.opt_lib}/gtk-2.0/include
      -I#{include}/gtkmacintegration
      -I#{libpng.opt_include}/libpng16
      -I#{pango.opt_include}/pango-1.0
      -I#{pixman.opt_include}/pixman-1
      -DMAC_INTEGRATION
      -D_REENTRANT
      -L#{atk.opt_lib}
      -L#{cairo.opt_lib}
      -L#{gdk_pixbuf.opt_lib}
      -L#{gettext.opt_lib}
      -L#{glib.opt_lib}
      -L#{gtkx.opt_lib}
      -L#{lib}
      -L#{pango.opt_lib}
      -latk-1.0
      -lcairo
      -lgdk-quartz-2.0
      -lgdk_pixbuf-2.0
      -lgio-2.0
      -lglib-2.0
      -lgobject-2.0
      -lgtk-quartz-2.0
      -lgtkmacintegration-gtk2
      -lintl
      -lpango-1.0
      -lpangocairo-1.0
    ]
    system ENV.cc, "test.c", "-o", "test", *flags
    system "./test"
  end
end