class NodeAT8 < Formula
  desc "Platform built on V8 to build network applications"
  homepage "https://nodejs.org/"
  url "https://nodejs.org/dist/v8.16.1/node-v8.16.1.tar.xz"
  sha256 "d8c190acdf2d967faf49c22df883d31a8d4e249d67852dae3c2d8a0f756b0512"

  bottle do
    cellar :any
    sha256 "34856378c511c39f44b0fa34013f07715dbb42e400e9e6535fc01b64e35dc574" => :catalina
    sha256 "08c4cc937e3df04daab65273f91c8d6bde901a91b3ae80267d2053417362acdd" => :mojave
    sha256 "5db101e2f01b24f1c6bf49163a8e8707f02f20465f488a1512ef5929f2c54951" => :high_sierra
    sha256 "b466c0a2ef2b7e955af959de8da61f81a8234eafc7d73b1b077c76013e01e15e" => :sierra
  end

  keg_only :versioned_formula

  depends_on "pkg-config" => :build
  depends_on "python@2" => :build # does not support Python 3
  depends_on "icu4c"

  def install
    system "./configure", "--prefix=#{prefix}", "--with-intl=system-icu"
    system "make", "install"
  end

  def post_install
    (lib/"node_modules/npm/npmrc").atomic_write("prefix = #{HOMEBREW_PREFIX}\n")
  end

  test do
    path = testpath/"test.js"
    path.write "console.log('hello');"

    output = shell_output("#{bin}/node #{path}").strip
    assert_equal "hello", output
    output = shell_output("#{bin}/node -e 'console.log(new Intl.NumberFormat(\"en-EN\").format(1234.56))'").strip
    assert_equal "1,234.56", output

    output = shell_output("#{bin}/node -e 'console.log(new Intl.NumberFormat(\"de-DE\").format(1234.56))'").strip
    assert_equal "1.234,56", output

    # make sure npm can find node
    ENV.prepend_path "PATH", opt_bin
    ENV.delete "NVM_NODEJS_ORG_MIRROR"
    assert_equal which("node"), opt_bin/"node"
    assert_predicate bin/"npm", :exist?, "npm must exist"
    assert_predicate bin/"npm", :executable?, "npm must be executable"
    npm_args = ["-ddd", "--cache=#{HOMEBREW_CACHE}/npm_cache", "--build-from-source"]
    system "#{bin}/npm", *npm_args, "install", "npm@latest"
    system "#{bin}/npm", *npm_args, "install", "bignum"
    assert_predicate bin/"npx", :exist?, "npx must exist"
    assert_predicate bin/"npx", :executable?, "npx must be executable"
    assert_match "< hello >", shell_output("#{bin}/npx cowsay hello")
  end
end