class Visp < Formula
  desc "Visual Servoing Platform library"
  homepage "https://visp.inria.fr/"
  url "https://gforge.inria.fr/frs/download.php/latestfile/475/visp-3.1.0.tar.gz"
  sha256 "2a1df8195b06f9a057bd4c7d987697be2fdcc9d169e8d550fcf68e5d7f129d96"
  revision 1

  bottle do
    sha256 "2d916fcddfe30085b591e9a0e343bc2d14de281eb907c20279c054d64bf30305" => :high_sierra
    sha256 "8e3ef1fde35fccc12e4c3bfb2e8615ce0150bd19c2c5bc4251a991d125392e6b" => :sierra
    sha256 "c3476bb04f41c009a86afaa24c5f7943627b5696d8613b323afaaf7894b9e257" => :el_capitan
  end

  depends_on "cmake" => :build
  depends_on "eigen"
  depends_on "gsl"
  depends_on "jpeg"
  depends_on "libdc1394"
  depends_on "libpng"
  depends_on "opencv"
  depends_on "zbar"

  def install
    sdk = MacOS::CLT.installed? ? "" : MacOS.sdk_path

    system "cmake", ".", "-DBUILD_DEMOS=OFF",
                         "-DBUILD_EXAMPLES=OFF",
                         "-DBUILD_TESTS=OFF",
                         "-DBUILD_TUTORIALS=OFF",
                         "-DUSE_DC1394=ON",
                         "-DDC1394_INCLUDE_DIR=#{Formula["libdc1394"].opt_include}",
                         "-DDC1394_LIBRARY=#{Formula["libdc1394"].opt_lib}/libdc1394.dylib",
                         "-DUSE_EIGEN3=ON",
                         "-DEigen3_DIR=#{Formula["eigen"].opt_share}/eigen3/cmake",
                         "-DUSE_GSL=ON",
                         "-DGSL_INCLUDE_DIR=#{Formula["gsl"].opt_include}",
                         "-DGSL_cblas_LIBRARY=#{Formula["gsl"].opt_lib}/libgslcblas.dylib",
                         "-DGSL_gsl_LIBRARY=#{Formula["gsl"].opt_lib}/libgsl.dylib",
                         "-DUSE_JPEG=ON",
                         "-DJPEG_INCLUDE_DIR=#{Formula["jpeg"].opt_include}",
                         "-DJPEG_LIBRARY=#{Formula["jpeg"].opt_lib}/libjpeg.dylib",
                         "-DUSE_LAPACK=OFF",
                         "-DUSE_LIBUSB_1=OFF",
                         "-DUSE_OPENCV=ON",
                         "-DOpenCV_DIR=#{Formula["opencv"].opt_share}/OpenCV",
                         "-DUSE_PCL=OFF",
                         "-DUSE_PNG=ON",
                         "-DPNG_PNG_INCLUDE_DIR=#{Formula["libpng"].opt_include}",
                         "-DPNG_LIBRARY_RELEASE=#{Formula["libpng"].opt_lib}/libpng.dylib",
                         "-DUSE_PTHREAD=ON",
                         "-DPTHREAD_INCLUDE_DIR=#{sdk}/usr/include",
                         "-DPTHREAD_LIBRARY=/usr/lib/libpthread.dylib",
                         "-DUSE_PYLON=OFF",
                         "-DUSE_REALSENSE=OFF",
                         "-DUSE_REALSENSE2=OFF",
                         "-DUSE_X11=OFF",
                         "-DUSE_XML2=ON",
                         "-DXML2_INCLUDE_DIR=#{sdk}/usr/include/libxml2",
                         "-DXML2_LIBRARY=/usr/lib/libxml2.dylib",
                         "-DUSE_ZBAR=ON",
                         "-DZBAR_INCLUDE_DIRS=#{Formula["zbar"].opt_include}",
                         "-DZBAR_LIBRARIES=#{Formula["zbar"].opt_lib}/libzbar.dylib",
                         "-DUSE_ZLIB=ON",
                         "-DZLIB_INCLUDE_DIR=#{sdk}/usr/include",
                         "-DZLIB_LIBRARY_RELEASE=/usr/lib/libz.dylib",
                         "-DWITH_LAPACK=OFF",
                         *std_cmake_args
    system "make", "install"
  end

  test do
    (testpath/"test.cpp").write <<~EOS
      #include <visp3/core/vpConfig.h>
      #include <iostream>
      int main()
      {
        std::cout << VISP_VERSION_MAJOR << "." << VISP_VERSION_MINOR <<
                "." << VISP_VERSION_PATCH << std::endl;
        return 0;
      }
    EOS
    system ENV.cxx, "test.cpp", "-I#{include}", "-L#{lib}", "-o", "test"
    assert_equal version.to_s, shell_output("./test").chomp
  end
end