class Gtksourceview4 < Formula
  desc "Text view with syntax, undo/redo, and text marks"
  homepage "https://projects.gnome.org/gtksourceview/"
  url "https://download.gnome.org/sources/gtksourceview/4.8/gtksourceview-4.8.1.tar.xz"
  sha256 "d163d71b5fcafbc5b1eec6dd841edbdbcddd3a7511cd5fdcffd86b8bbfe69ac1"
  license "LGPL-2.1-or-later"

  livecheck do
    url :stable
    regex(/gtksourceview[._-]v?(4\.([0-8]\d*?)?[02468](?:\.\d+)*?)\.t/i)
  end

  bottle do
    sha256 arm64_big_sur: "6dfdf21c1f61af35c5cdf091a8b110d8c7d0aecd10aabbc3309d8fbb6bf5f1c1"
    sha256 big_sur:       "9777a274cb8a7fb9bcddbcf6870242cfaf0100398b31c7492b950eb577245b8a"
    sha256 catalina:      "43ca1ff6338153338fc2334f41cfc0d1959ad613e224751e4fbcb1902c09af9f"
    sha256 mojave:        "f0cea7568ac88d30a82d86eacb95d36083fccae6343e08c87f238a9a657ca147"
  end

  depends_on "gobject-introspection" => :build
  depends_on "meson" => :build
  depends_on "ninja" => :build
  depends_on "pkg-config" => :build
  depends_on "vala" => :build
  depends_on "gtk+3"

  def install
    args = std_meson_args + %w[
      -Dgir=true
      -Dvapi=true
    ]

    mkdir "build" do
      system "meson", *args, ".."
      system "ninja", "-v"
      system "ninja", "install", "-v"
    end
  end

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

      int main(int argc, char *argv[]) {
        gchar *text = gtk_source_utils_unescape_search_text("hello world");
        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"]
    harfbuzz = Formula["harfbuzz"]
    libepoxy = Formula["libepoxy"]
    libpng = Formula["libpng"]
    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#{harfbuzz.opt_include}/harfbuzz
      -I#{include}/gtksourceview-4
      -I#{libepoxy.opt_include}
      -I#{libpng.opt_include}/libpng16
      -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
      -lpango-1.0
      -lpangocairo-1.0
    ]
    on_macos do
      flags << "-lintl"
      flags << "-lgtksourceview-4.0"
    end
    on_linux do
      flags << "-lgtksourceview-4"
    end
    system ENV.cc, "test.c", "-o", "test", *flags
    system "./test"
  end
end