class Csound < Formula
  desc "Sound and music computing system"
  homepage "https://csound.com"
  url "https://github.com/csound/csound/archive/6.12.2.tar.gz"
  sha256 "39f4872b896eb1cbbf596fcacc0f2122fd3e5ebbb5cec14a81b4207d6b8630ff"
  revision 1

  bottle do
    sha256 "c61580b06971b50952504c4c7ec913998531c1dc253f9f187d2a643ab92d3d55" => :mojave
    sha256 "8663be5e850243c2fdd345d26741657d261903922784bdfba449a6b9c356bfbc" => :high_sierra
    sha256 "4cee30249722264ebaca435af3798a2bffa3a88095212e6699e16fc811c03418" => :sierra
  end

  depends_on "cmake" => :build
  depends_on "fltk"
  depends_on "liblo"
  depends_on "libsamplerate"
  depends_on "libsndfile"
  depends_on "portaudio"
  depends_on "portmidi"
  depends_on "stk"

  def install
    inreplace "CMakeLists.txt",
      %r{^set\(CS_FRAMEWORK_DEST\s+"~/Library/Frameworks"\)$},
      "set(CS_FRAMEWORK_DEST \"#{frameworks}\")"

    args = std_cmake_args + %W[
      -DBUILD_FLUID_OPCODES=OFF
      -DBUILD_JAVA_INTERFACE=OFF
      -DBUILD_LUA_INTERFACE=OFF
      -DBUILD_PYTHON_INTERFACE=OFF
      -DCMAKE_INSTALL_RPATH=#{frameworks}
    ]

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

      include.install_symlink "#{frameworks}/CsoundLib64.framework/Headers" => "csound"
    end
  end

  test do
    (testpath/"test.orc").write <<~EOS
      0dbfs = 1
      FLrun
      pyinit
      instr 1
          pyruni "from __future__ import print_function; print('hello, world')"
          aSignal STKPlucked 440, 1
          out aSignal
      endin
    EOS

    (testpath/"test.sco").write <<~EOS
      i 1 0 1
      e
    EOS

    ENV["OPCODE6DIR64"] = "#{HOMEBREW_PREFIX}/Frameworks/CsoundLib64.framework/Resources/Opcodes64"
    ENV["RAWWAVE_PATH"] = "#{HOMEBREW_PREFIX}/share/stk/rawwaves"

    require "open3"
    stdout, stderr, status = Open3.capture3("#{bin}/csound test.orc test.sco")

    assert_equal true, status.success?
    assert_equal "hello, world\n", stdout
    assert_match /^rtaudio:/, stderr
    assert_match /^rtmidi:/, stderr
  end
end