class Tepl < Formula
  desc "GNOME Text Editor Product Line"
  homepage "https://wiki.gnome.org/Projects/Tepl"
  url "https://download.gnome.org/sources/tepl/4.0/tepl-4.0.0.tar.xz"
  sha256 "a4b6219877b25a376b129c26484946481b7fc1ef6a7a66d804dcf7f48250e997"

  bottle do
    sha256 "99922988d8cf0689e288e0413bf9cbc559388b9f4881c376d3c7466a4408f40a" => :high_sierra
    sha256 "2394f7e1b075e8e73d000d679d8b2d7915323f4819f2b8a5a3bee605c7b7d1ae" => :sierra
    sha256 "36ff1501eff48974bb514b6e8c983dd53296d569d6d19dfb25cfbf10792a8865" => :el_capitan
  end

  depends_on "gobject-introspection" => :build
  depends_on "pkg-config" => :build
  depends_on "gtksourceview@4"
  depends_on "uchardet"

  def install
    system "./configure", "--disable-dependency-tracking",
                          "--disable-silent-rules",
                          "--prefix=#{prefix}"
    system "make", "install"
  end

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

      int main(int argc, char *argv[]) {
        GType type = tepl_file_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"]
    gtksourceview4 = Formula["gtksourceview@4"]
    harfbuzz = Formula["harfbuzz"]
    libepoxy = Formula["libepoxy"]
    libpng = Formula["libpng"]
    pango = Formula["pango"]
    pcre = Formula["pcre"]
    pixman = Formula["pixman"]
    uchardet = Formula["uchardet"]
    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}/gio-unix-2.0/
      -I#{glib.opt_include}/glib-2.0
      -I#{glib.opt_lib}/glib-2.0/include
      -I#{gtksourceview4.opt_include}/gtksourceview-4
      -I#{gtkx3.opt_include}/gtk-3.0
      -I#{harfbuzz.opt_include}/harfbuzz
      -I#{include}/tepl-4
      -I#{include}/amtk-4
      -I#{libepoxy.opt_include}
      -I#{libpng.opt_include}/libpng16
      -I#{pango.opt_include}/pango-1.0
      -I#{pcre.opt_include}
      -I#{pixman.opt_include}/pixman-1
      -I#{uchardet.opt_include}/uchardet
      -D_REENTRANT
      -L#{atk.opt_lib}
      -L#{cairo.opt_lib}
      -L#{gdk_pixbuf.opt_lib}
      -L#{gettext.opt_lib}
      -L#{glib.opt_lib}
      -L#{gtksourceview4.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
      -ltepl-4
      -lamtk-4
      -lgtk-3
      -lgtksourceview-4.0
      -lintl
      -lpango-1.0
      -lpangocairo-1.0
    ]
    system ENV.cc, "test.c", "-o", "test", *flags
    system "./test"
  end
end