class Urh < Formula
  desc "Universal Radio Hacker"
  homepage "https://github.com/jopohl/urh"
  url "https://files.pythonhosted.org/packages/8d/a9/79d4311c0c356071eba57472b7f93e42807ef067563ffe3a16ab10cc1e2c/urh-2.2.2.tar.gz"
  sha256 "592cd0bd3031755005fd6aef510e6e764fd9a9b49adec2f3b29da34d53595f78"
  head "https://github.com/jopohl/urh.git"

  bottle do
    sha256 "c79c7ce04091135ee38d923225a805b57d5b4cb555b51e3972c56825889057ab" => :high_sierra
    sha256 "99f7add0278c4f0a5a815af33c4e67072de7bac91f1c745df352a61dab7bdea5" => :sierra
    sha256 "eb223bc74577b6b0af51df82d910f673bd44333fe2dcb9fd2f510b2e368aa1b1" => :el_capitan
  end

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

  depends_on "pkg-config" => :build

  depends_on "numpy"
  depends_on "python"
  depends_on "pyqt"
  depends_on "zeromq"

  depends_on "hackrf" => :optional

  resource "Cython" do
    url "https://files.pythonhosted.org/packages/b3/ae/971d3b936a7ad10e65cb7672356cff156000c5132cf406cb0f4d7a980fd3/Cython-0.28.3.tar.gz"
    sha256 "1aae6d6e9858888144cea147eb5e677830f45faaff3d305d77378c3cba55f526"
  end

  resource "psutil" do
    url "https://files.pythonhosted.org/packages/51/9e/0f8f5423ce28c9109807024f7bdde776ed0b1161de20b408875de7e030c3/psutil-5.4.6.tar.gz"
    sha256 "686e5a35fe4c0acc25f3466c32e716f2d498aaae7b7edc03e2305b682226bcf6"
  end

  resource "pyzmq" do
    url "https://files.pythonhosted.org/packages/9f/f6/85a33a25128a4a812c3482547e3d458eebdb19ee0b4699f9199cdb2ad731/pyzmq-17.0.0.tar.gz"
    sha256 "0145ae59139b41f65e047a3a9ed11bbc36e37d5e96c64382fcdff911c4d8c3f0"
  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|
      next if r.name == "Cython"
      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"
    saved_python_path = ENV["PYTHONPATH"]
    ENV.prepend_create_path "PYTHONPATH", buildpath/"cython/lib/python#{xy}/site-packages"

    resource("Cython").stage do
      system "python3", *Language::Python.setup_install_args(buildpath/"cython")
    end

    system "python3", *Language::Python.setup_install_args(libexec)

    bin.install Dir[libexec/"bin/*"]
    bin.env_script_all_files(libexec/"bin", :PYTHONPATH => saved_python_path)
  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 = [0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0]
      assert(expected == c.crc([0, 1, 0, 1, 1, 0, 1, 0]).tolist())
    EOS
    system "python3", "test.py"
  end
end