class Gnuradio < Formula
  desc "SDK providing the signal processing runtime and processing blocks"
  homepage "https://gnuradio.org/"
  url "https://gnuradio.org/releases/gnuradio/gnuradio-3.7.11.tar.gz"
  sha256 "87d9ba3183858efdbb237add3f9de40f7d65f25e16904a9bc8d764a7287252d4"
  head "https://github.com/gnuradio/gnuradio.git"

  bottle do
    rebuild 1
    sha256 "60eb27fab026ab6139576f3ffdc55d6b7da1ee7f8495650a8fc97e25a59d85e4" => :sierra
    sha256 "fbf5dbdf430db136a5e97075052f3e2453c10ec2477e35f5928081d8f00910d5" => :el_capitan
    sha256 "0143a5b0e8cbe007520660143de7350943cecced240f0956135e3484c18664eb" => :yosemite
  end

  option "without-python", "Build without python support"

  depends_on "pkg-config" => :build
  depends_on :python => :recommended if MacOS.version <= :snow_leopard
  depends_on "boost"
  depends_on "fftw"
  depends_on "gsl"
  depends_on "zeromq"
  depends_on "numpy" if build.with? :python
  depends_on "swig" => :build if build.with? :python
  depends_on "cmake" => :build

  # For documentation
  depends_on "doxygen" => [:build, :optional]
  depends_on "sphinx-doc" => [:build, :optional]

  depends_on "uhd" => :recommended
  depends_on "sdl" => :optional
  depends_on "jack" => :optional
  depends_on "portaudio" => :recommended
  depends_on "pygtk" => :optional
  depends_on "wxpython" => :optional

  # cheetah starts here
  resource "Markdown" do
    url "https://files.pythonhosted.org/packages/1d/25/3f6d2cb31ec42ca5bd3bfbea99b63892b735d76e26f20dd2dcc34ffe4f0d/Markdown-2.6.8.tar.gz"
    sha256 "0ac8a81e658167da95d063a9279c9c1b2699f37c7c4153256a458b3a43860e33"
  end

  resource "Cheetah" do
    url "https://files.pythonhosted.org/packages/cd/b0/c2d700252fc251e91c08639ff41a8a5203b627f4e0a2ae18a6b662ab32ea/Cheetah-2.4.4.tar.gz"
    sha256 "be308229f0c1e5e5af4f27d7ee06d90bb19e6af3059794e5fd536a6f29a9b550"
  end
  # cheetah ends here

  resource "lxml" do
    url "https://files.pythonhosted.org/packages/39/e8/a8e0b1fa65dd021d48fe21464f71783655f39a41f218293c1c590d54eb82/lxml-3.7.3.tar.gz"
    sha256 "aa502d78a51ee7d127b4824ff96500f0181d3c7826e6ee7b800d068be79361c7"
  end

  resource "cppzmq" do
    url "https://raw.githubusercontent.com/zeromq/cppzmq/46fc0572c5e9f09a32a23d6f22fd79b841f77e00/zmq.hpp"
    sha256 "964031c0944f913933f55ad1610938105a6657a69d1ac5a6dd50e16a679104d5"
  end

  def install
    ENV["CHEETAH_INSTALL_WITHOUT_SETUPTOOLS"] = "1"
    ENV["XML_CATALOG_FILES"] = etc/"xml/catalog"
    ENV.prepend_create_path "PYTHONPATH", libexec/"vendor/lib/python2.7/site-packages"

    res = %w[Markdown Cheetah lxml]
    res.each do |r|
      resource(r).stage do
        system "python", *Language::Python.setup_install_args(libexec/"vendor")
      end
    end

    resource("cppzmq").stage include.to_s

    args = std_cmake_args
    args << "-DGR_PKG_CONF_DIR=#{etc}/gnuradio/conf.d"
    args << "-DGR_PREFSDIR=#{etc}/gnuradio/conf.d"

    args << "-DENABLE_DEFAULT=OFF"
    enabled_components = %w[gr-analog gr-fft volk gr-filter gnuradio-runtime
                            gr-blocks gr-pager gr-noaa gr-channels gr-audio
                            gr-fcd gr-vocoder gr-fec gr-digital gr-dtv gr-atsc
                            gr-trellis gr-zeromq]
    if build.with? "python"
      enabled_components << "python"
      enabled_components << "gr-utils"
      enabled_components << "grc" if build.with? "pygtk"
      enabled_components << "gr-wxgui" if build.with? "wxpython"
    end
    enabled_components << "gr-wavelet"
    enabled_components << "gr-video-sdl" if build.with? "sdl"
    enabled_components << "gr-uhd" if build.with? "uhd"
    enabled_components << "doxygen" if build.with? "doxygen"
    enabled_components << "sphinx" if build.with? "sphinx"

    enabled_components.each do |c|
      args << "-DENABLE_#{c.upcase.split("-").join("_")}=ON"
    end

    mkdir "build" do
      system "cmake", "..", *args
      system "make"
      system "make", "install"
    end

    rm bin.children.reject(&:executable?)
    bin.env_script_all_files(libexec/"bin", :PYTHONPATH => ENV["PYTHONPATH"])
  end

  test do
    system("#{bin}/gnuradio-config-info -v")

    (testpath/"test.c++").write <<-EOS.undent
        #include <gnuradio/top_block.h>
        #include <gnuradio/blocks/null_source.h>
        #include <gnuradio/blocks/null_sink.h>
        #include <gnuradio/blocks/head.h>
        #include <gnuradio/gr_complex.h>

        class top_block : public gr::top_block {
        public:
          top_block();
        private:
          gr::blocks::null_source::sptr null_source;
          gr::blocks::null_sink::sptr null_sink;
          gr::blocks::head::sptr head;
        };

        top_block::top_block() : gr::top_block("Top block") {
          long s = sizeof(gr_complex);
          null_source = gr::blocks::null_source::make(s);
          null_sink = gr::blocks::null_sink::make(s);
          head = gr::blocks::head::make(s, 1024);
          connect(null_source, 0, head, 0);
          connect(head, 0, null_sink, 0);
        }

        int main(int argc, char **argv) {
          top_block top;
          top.run();
        }
    EOS
    system ENV.cxx,
           "-lgnuradio-blocks", "-lgnuradio-runtime", "-lgnuradio-pmt",
           "-lboost_system",
           (testpath/"test.c++"),
           "-o", (testpath/"test")
    system (testpath/"test")

    if build.with? "python"
      (testpath/"test.py").write <<-EOS.undent
        from gnuradio import blocks
        from gnuradio import gr

        class top_block(gr.top_block):
            def __init__(self):
                gr.top_block.__init__(self, "Top Block")
                self.samp_rate = 32000
                s = gr.sizeof_gr_complex
                self.blocks_null_source_0 = blocks.null_source(s)
                self.blocks_null_sink_0 = blocks.null_sink(s)
                self.blocks_head_0 = blocks.head(s, 1024)
                self.connect((self.blocks_head_0, 0),
                             (self.blocks_null_sink_0, 0))
                self.connect((self.blocks_null_source_0, 0),
                             (self.blocks_head_0, 0))

        def main(top_block_cls=top_block, options=None):
            tb = top_block_cls()
            tb.start()
            tb.wait()

        main()
      EOS
      system "python", (testpath/"test.py")

      cd(testpath) do
        system "#{bin}/gr_modtool", "newmod", "test"
        cd("gr-test") do
          system "#{bin}/gr_modtool", "add", "-t", "general", "test_ff", "-l",
                 "python", "-y", "--argument-list=''", "--add-python-qa"
        end
      end
    end
  end
end