class Urh < Formula
  desc "Universal Radio Hacker"
  homepage "https://github.com/jopohl/urh"
  url "https://files.pythonhosted.org/packages/bf/e3/bb5a06ac8ba05e7f082aa7f5272c17bae6c3cdd0c6a9bb1e37656c940d16/urh-1.9.2.tar.gz"
  sha256 "92029b3d9bbcecdd32546b49c4e282ca35f2158cedd85e21df14c3f79cc015be"
  head "https://github.com/jopohl/urh.git"

  bottle do
    sha256 "5a7577d909ae2550483835f7a23fef3d9400523500b8d4f966ca116f0de1d72d" => :high_sierra
    sha256 "f8d3f40dc514d160390d4e562f5895058976cbf3b190a713554bcf0154d4393f" => :sierra
    sha256 "2094c271c6781b7f05027a22915c2b252a3d6d89cda4cdfcdcb514c9b151e1cc" => :el_capitan
  end

  option "with-hackrf", "Build with libhackrf support"

  depends_on "pkg-config" => :build

  depends_on "python3"
  depends_on "pyqt"

  depends_on "hackrf" => :optional

  resource "numpy" do
    url "https://files.pythonhosted.org/packages/ee/66/7c2690141c520db08b6a6f852fa768f421b0b50683b7bbcd88ef51f33170/numpy-1.14.0.zip"
    sha256 "3de643935b212307b420248018323a44ec51987a336d1d747c1322afc3c099fb"
  end

  resource "psutil" do
    url "https://files.pythonhosted.org/packages/e2/e1/600326635f97fee89bf8426fef14c5c29f4849c79f68fd79f433d8c1bd96/psutil-5.4.3.tar.gz"
    sha256 "e2467e9312c2fa191687b89ff4bc2ad8843be4af6fb4dc95a7cc5f7d7a327b18"
  end

  resource "pyzmq" do
    url "https://files.pythonhosted.org/packages/1e/f9/d0675409c11d11e549e3da000901cfaabd848da117390ee00030e14bfdb6/pyzmq-16.0.3.tar.gz"
    sha256 "8a883824147523c0fe76d247dd58994c1c28ef07f1cc5dde595a4fd1c28f2580"
  end

  def install
    # Workaround for https://github.com/Homebrew/brew/issues/932
    ENV.delete "PYTHONPATH"
    # suppress urh warning about needing to recompile the c++ extensions
    inreplace "src/urh/main.py", "GENERATE_UI = True", "GENERATE_UI = False"

    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

    ENV.prepend_create_path "PYTHONPATH", libexec/"lib/python#{xy}/site-packages"
    system "python3", *Language::Python.setup_install_args(libexec)

    bin.install Dir[libexec/"bin/*"]
    bin.env_script_all_files(libexec/"bin", :PYTHONPATH => ENV["PYTHONPATH"])
  end

  test do
    xy = Language::Python.major_minor_version "python3"
    ENV.prepend_create_path "PYTHONPATH", libexec/"lib/python#{xy}/site-packages"
    (testpath/"test.py").write <<~EOS
      from urh.util.GenericCRC import GenericCRC;
      c = GenericCRC();
      expected = [1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1]
      assert(expected == c.crc([1, 2, 3]).tolist())
    EOS
    system "python3", "test.py"
  end
end