class Suricata < Formula
  desc "Network IDS, IPS, and security monitoring engine"
  homepage "https://suricata-ids.org/"
  url "https://www.openinfosecfoundation.org/download/suricata-5.0.3.tar.gz"
  sha256 "34413ecdad2ff2452526dbcd22f1279afd0935151916c0ff9cface4b0b5665db"
  license "GPL-2.0"

  livecheck do
    url "https://suricata-ids.org/download/"
    regex(/href=.*?suricata[._-]v?(\d+(?:\.\d+)+)\.t/i)
  end

  bottle do
    sha256 catalina:    "ce6e9acf117b139febc73ae854aa279c1bab29981c107524ee3ff7c1b3c780a8"
    sha256 mojave:      "033c282b979418b4356b4f208781bcea7fd9100c62e4981a8980b396424aefc9"
    sha256 high_sierra: "6943af9391e189cd28c441645aeec26f48782eaf1c7760c30bdd9ef2e5cf3c7d"
  end

  depends_on "pkg-config" => :build
  depends_on "rust" => :build
  depends_on "jansson"
  depends_on "libmagic"
  depends_on "libnet"
  depends_on "libyaml"
  depends_on "lz4"
  depends_on "nspr"
  depends_on "nss"
  depends_on "pcre"
  depends_on "python@3.8"

  resource "argparse" do
    url "https://files.pythonhosted.org/packages/18/dd/e617cfc3f6210ae183374cd9f6a26b20514bbb5a792af97949c5aacddf0f/argparse-1.4.0.tar.gz"
    sha256 "62b089a55be1d8949cd2bc7e0df0bddb9e028faefc8c32038cc84862aefdd6e4"
  end

  resource "PyYAML" do
    url "https://files.pythonhosted.org/packages/64/c2/b80047c7ac2478f9501676c988a5411ed5572f35d1beff9cae07d321512c/PyYAML-5.3.1.tar.gz"
    sha256 "b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d"
  end

  resource "simplejson" do
    url "https://files.pythonhosted.org/packages/98/87/a7b98aa9256c8843f92878966dc3d8d914c14aad97e2c5ce4798d5743e07/simplejson-3.17.0.tar.gz"
    sha256 "2b4b2b738b3b99819a17feaf118265d0753d5536049ea570b3c43b51c4701e81"
  end

  def install
    python3 = Formula["python@3.8"].opt_bin/"python3"
    xy = Language::Python.major_minor_version python3
    ENV.prepend_create_path "PYTHONPATH", libexec/"vendor/lib/python#{xy}/site-packages"
    resources.each do |r|
      r.stage do
        system python3, *Language::Python.setup_install_args(libexec/"vendor")
      end
    end

    jansson = Formula["jansson"]
    libmagic = Formula["libmagic"]
    libnet = Formula["libnet"]

    args = %W[
      --disable-dependency-tracking
      --disable-silent-rules
      --prefix=#{prefix}
      --sysconfdir=#{etc}
      --localstatedir=#{var}
      --with-libjansson-includes=#{jansson.opt_include}
      --with-libjansson-libraries=#{jansson.opt_lib}
      --with-libmagic-includes=#{libmagic.opt_include}
      --with-libmagic-libraries=#{libmagic.opt_lib}
      --with-libnet-includes=#{libnet.opt_include}
      --with-libnet-libraries=#{libnet.opt_lib}
      --enable-ipfw
    ]

    system "./configure", *args
    system "make", "install-full"

    bin.env_script_all_files(libexec/"bin", PYTHONPATH: ENV["PYTHONPATH"])

    # Leave the magic-file: prefix in otherwise it overrides a commented out line rather than intended line.
    inreplace etc/"suricata/suricata.yaml", %r{magic-file: /.+/magic}, "magic-file: #{libmagic.opt_share}/misc/magic"
  end

  test do
    assert_match(/#{version}/, shell_output("#{bin}/suricata --build-info"))
  end
end
