class Gmime < Formula
  desc "MIME mail utilities"
  homepage "https://spruce.sourceforge.io/gmime/"
  url "https://download.gnome.org/sources/gmime/3.2/gmime-3.2.0.tar.xz"
  sha256 "75ec6033f9192488ff37745792c107b3d0ab0a36c2d3e4f732901a771755d7e0"

  bottle do
    sha256 "f259025c542b5d0486c23d001dbf858cfd50beca495dad58dbcb2d6027376660" => :high_sierra
    sha256 "9d696db40dba32aac602a9ba84516520c63e74c31e60002d59dc8baa83d20748" => :sierra
    sha256 "cb7d81356c0fc27f95110a21929dc4772dc571269fbe1ed2cb7c5d7079c7490b" => :el_capitan
  end

  depends_on "pkg-config" => :build
  depends_on "gobject-introspection" => :recommended
  depends_on "glib"
  depends_on "gpgme"

  def install
    args = %W[
      --disable-dependency-tracking
      --prefix=#{prefix}
      --enable-largefile
      --disable-vala
      --disable-glibtest
      --enable-crypto
    ]

    if build.with? "gobject-introspection"
      args << "--enable-introspection"
    else
      args << "--disable-introspection"
    end

    system "./configure", *args
    system "make", "install"
  end

  test do
    (testpath/"test.c").write <<~EOS
      #include <stdio.h>
      #include <gmime/gmime.h>
      int main (int argc, char **argv)
      {
        g_mime_init();
        if (gmime_major_version>=3) {
          return 0;
        } else {
          return 1;
        }
      }
      EOS
    gettext = Formula["gettext"]
    glib = Formula["glib"]
    pcre = Formula["pcre"]
    flags = (ENV.cflags || "").split + (ENV.cppflags || "").split + (ENV.ldflags || "").split
    flags += %W[
      -I#{gettext.opt_include}
      -I#{glib.opt_include}/glib-2.0
      -I#{glib.opt_lib}/glib-2.0/include
      -I#{include}/gmime-3.0
      -I#{pcre.opt_include}
      -D_REENTRANT
      -L#{gettext.opt_lib}
      -L#{glib.opt_lib}
      -L#{lib}
      -lgio-2.0
      -lglib-2.0
      -lgmime-3.0
      -lgobject-2.0
      -lintl
    ]
    system ENV.cc, "-o", "test", "test.c", *flags
    system "./test"
  end
end