class Vineyard < Formula
  include Language::Python::Virtualenv

  desc "In-memory immutable data manager. (Project under CNCF)"
  homepage "https://v6d.io"
  url "https://github.com/v6d-io/v6d/releases/download/v0.9.0/v6d-0.9.0.tar.gz"
  sha256 "bd1e5ba09c162e1ff046266644bf18065a50ee1a4ad1def483cab62051cadb03"
  license "Apache-2.0"
  revision 2

  bottle do
    sha256 arm64_monterey: "5251ebdbab866955e6c9dccdb37deed2dc4f2c2e455b2b5dc74319ec1c3b6dfe"
    sha256 arm64_big_sur:  "1b8438b17377c29ae5ecd36d7c007e2771941a40d839249470c0a31b81aa6c5a"
    sha256 monterey:       "6aaaa19507fb2b6624c723588712307f21e0dedb34bf4576aced8eb8413b1844"
    sha256 big_sur:        "4c054029f7f071bbb9fa396579786fa06a291080b0a004ad3f9f3ed373ec1f46"
    sha256 catalina:       "270d2acdce8bb593412b9b3a3ad2e74571eaa23adb4acb121ef50146eb566706"
    sha256 x86_64_linux:   "f79233e1c606de4043794738767b1190fa4d790ae115ea6ceae3c87d54ac54bf"
  end

  depends_on "cmake" => :build
  depends_on "python@3.10" => :build
  depends_on "apache-arrow"
  depends_on "boost"
  depends_on "etcd"
  depends_on "etcd-cpp-apiv3"
  depends_on "gflags"
  depends_on "glog"
  depends_on "libgrape-lite"
  depends_on "llvm"
  depends_on "nlohmann-json"
  depends_on "open-mpi"
  depends_on "openssl@1.1"
  depends_on "tbb"

  fails_with gcc: "5"

  def install
    python = "python3.10"
    # LLVM is keg-only.
    ENV.prepend_path "PYTHONPATH", Formula["llvm"].opt_prefix/Language::Python.site_packages(python)

    system "cmake", "-S", ".", "-B", "build",
                    "-DCMAKE_CXX_STANDARD=14",
                    "-DCMAKE_CXX_STANDARD_REQUIRED=TRUE",
                    "-DPYTHON_EXECUTABLE=#{which(python)}",
                    "-DUSE_EXTERNAL_ETCD_LIBS=ON",
                    "-DUSE_EXTERNAL_TBB_LIBS=ON",
                    "-DUSE_EXTERNAL_NLOHMANN_JSON_LIBS=ON",
                    "-DBUILD_VINEYARD_TESTS=OFF",
                    "-DOPENSSL_ROOT_DIR=#{Formula["openssl@1.1"].opt_prefix}",
                    *std_cmake_args
    system "cmake", "--build", "build"
    system "cmake", "--install", "build"
  end

  test do
    (testpath/"test.cc").write <<~EOS
      #include <iostream>
      #include <memory>

      #include <vineyard/client/client.h>

      int main(int argc, char **argv) {
        vineyard::Client client;
        VINEYARD_CHECK_OK(client.Connect(argv[1]));

        std::shared_ptr<vineyard::InstanceStatus> status;
        VINEYARD_CHECK_OK(client.InstanceStatus(status));
        std::cout << "vineyard instance is: " << status->instance_id << std::endl;

        return 0;
      }
    EOS

    system ENV.cxx, "test.cc", "-std=c++17",
                    "-I#{Formula["apache-arrow"].include}",
                    "-I#{Formula["boost"].include}",
                    "-I#{include}",
                    "-I#{include}/vineyard",
                    "-I#{include}/vineyard/contrib",
                    "-L#{Formula["apache-arrow"].lib}",
                    "-L#{Formula["boost"].lib}",
                    "-L#{lib}",
                    "-larrow",
                    "-lboost_thread-mt",
                    "-lboost_system-mt",
                    "-lvineyard_client",
                    "-o", "test_vineyard_client"

    # prepare vineyardd
    vineyardd_pid = spawn bin/"vineyardd", "--norpc",
                                           "--meta=local",
                                           "--socket=#{testpath}/vineyard.sock"

    # sleep to let vineyardd get its wits about it
    sleep 10

    assert_equal("vineyard instance is: 0\n", shell_output("./test_vineyard_client #{testpath}/vineyard.sock"))
  ensure
    # clean up the vineyardd process before we leave
    Process.kill("HUP", vineyardd_pid)
  end
end