class Vtk < Formula
  desc "Toolkit for 3D computer graphics, image processing, and visualization"
  homepage "https://www.vtk.org/"
  url "https://www.vtk.org/files/release/9.0/VTK-9.0.3.tar.gz"
  sha256 "bc3eb9625b2b8dbfecb6052a2ab091fc91405de4333b0ec68f3323815154ed8a"
  license "BSD-3-Clause"
  head "https://github.com/Kitware/VTK.git"

  bottle do
    sha256 arm64_big_sur: "fde272807de4be00a73385e08f95daa26568d82b2bd8e49c0632d908fbf14788"
    sha256 big_sur:       "030677a7748f0fc0d4116424db9225ecf3d805476c08da3d07e65e381ff21589"
    sha256 catalina:      "beb7e778df907e3763363ad51579b4e004b1b2b745a395621cbc1f2800340d81"
    sha256 mojave:        "d466d33fd7932aedd24fce9c5b791e7e97cf375db629180718171a2df4b97153"
  end

  depends_on "cmake" => [:build, :test]
  depends_on "boost"
  depends_on "double-conversion"
  depends_on "eigen"
  depends_on "fontconfig"
  depends_on "gl2ps"
  depends_on "glew"
  depends_on "hdf5"
  depends_on "jpeg"
  depends_on "jsoncpp"
  depends_on "libogg"
  depends_on "libpng"
  depends_on "libtiff"
  depends_on "lz4"
  depends_on "netcdf"
  depends_on "pugixml"
  depends_on "pyqt@5"
  depends_on "python@3.9"
  depends_on "qt@5"
  depends_on "sqlite"
  depends_on "theora"
  depends_on "utf8cpp"
  depends_on "xz"

  uses_from_macos "expat"
  uses_from_macos "libxml2"
  uses_from_macos "tcl-tk"
  uses_from_macos "zlib"

  on_linux do
    depends_on "szip"
    depends_on "mesa-glu"
  end

  def install
    # Do not record compiler path because it references the shim directory
    inreplace "Common/Core/vtkConfigure.h.in", "@CMAKE_CXX_COMPILER@", ENV.cxx

    args = std_cmake_args + %W[
      -DBUILD_SHARED_LIBS:BOOL=ON
      -DBUILD_TESTING:BOOL=OFF
      -DCMAKE_INSTALL_NAME_DIR:STRING=#{opt_lib}
      -DCMAKE_INSTALL_RPATH:STRING=#{rpath}
      -DVTK_WRAP_PYTHON:BOOL=ON
      -DVTK_PYTHON_VERSION:STRING=3
      -DVTK_LEGACY_REMOVE:BOOL=ON
      -DVTK_MODULE_ENABLE_VTK_InfovisBoost:STRING=YES
      -DVTK_MODULE_ENABLE_VTK_InfovisBoostGraphAlgorithms:STRING=YES
      -DVTK_MODULE_ENABLE_VTK_RenderingFreeTypeFontConfig:STRING=YES
      -DVTK_MODULE_USE_EXTERNAL_VTK_doubleconversion:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_eigen:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_expat:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_gl2ps:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_glew:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_hdf5:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_jpeg:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_jsoncpp:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_libxml2:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_lz4:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_lzma:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_netcdf:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_ogg:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_png:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_pugixml:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_sqlite:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_theora:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_tiff:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_utf8:BOOL=ON
      -DVTK_MODULE_USE_EXTERNAL_VTK_zlib:BOOL=ON
      -DPython3_EXECUTABLE:FILEPATH=#{Formula["python@3.9"].opt_bin}/python3
      -DVTK_GROUP_ENABLE_Qt:STRING=YES
    ]

    # https://github.com/Homebrew/linuxbrew-core/pull/21654#issuecomment-738549701
    args << "-DOpenGL_GL_PREFERENCE=LEGACY"

    on_macos do
      args << "-DVTK_USE_COCOA:BOOL=ON"
    end

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

  test do
    (testpath/"CMakeLists.txt").write <<~EOS
      cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
      project(Distance2BetweenPoints LANGUAGES CXX)
      find_package(VTK REQUIRED COMPONENTS vtkCommonCore CONFIG)
      add_executable(Distance2BetweenPoints Distance2BetweenPoints.cxx)
      target_link_libraries(Distance2BetweenPoints PRIVATE ${VTK_LIBRARIES})
    EOS

    (testpath/"Distance2BetweenPoints.cxx").write <<~EOS
      #include <cassert>
      #include <vtkMath.h>
      int main() {
        double p0[3] = {0.0, 0.0, 0.0};
        double p1[3] = {1.0, 1.0, 1.0};
        assert(vtkMath::Distance2BetweenPoints(p0, p1) == 3.0);
        return 0;
      }
    EOS

    vtk_dir = Dir[opt_lib/"cmake/vtk-*"].first
    system "cmake", "-DCMAKE_BUILD_TYPE=Debug", "-DCMAKE_VERBOSE_MAKEFILE=ON",
      "-DVTK_DIR=#{vtk_dir}", "."
    system "make"
    system "./Distance2BetweenPoints"

    (testpath/"Distance2BetweenPoints.py").write <<~EOS
      import vtk
      p0 = (0, 0, 0)
      p1 = (1, 1, 1)
      assert vtk.vtkMath.Distance2BetweenPoints(p0, p1) == 3
    EOS

    system bin/"vtkpython", "Distance2BetweenPoints.py"
  end
end
