class Haxe < Formula
  desc "Multi-platform programming language"
  homepage "https://haxe.org/"
  url "https://github.com/HaxeFoundation/haxe.git",
      tag:      "4.1.4",
      revision: "7d0faa039ffe5e618587e2417323b59044282177"
  head "https://github.com/HaxeFoundation/haxe.git", branch: "development"

  livecheck do
    url "https://github.com/HaxeFoundation/haxe/releases/latest"
    regex(%r{href=.*?/tag/v?(\d+(?:\.\d+)+)["' >]}i)
  end

  bottle do
    cellar :any
    sha256 "4d198b6fe5ad9addbaadd2aba3a43e4f0a356cfd632e389af76c83a8eb1246a6" => :catalina
    sha256 "077d47ef86c0c3ccdc5f4c7c92b5485e76727afc3096d19bf149125e60ad5ce3" => :mojave
    sha256 "3c8e7a07d745f290ef54154a05b730440cb319ec84319e6117e59936510b3234" => :high_sierra
  end

  depends_on "cmake" => :build
  depends_on "ocaml" => :build
  depends_on "opam" => :build
  depends_on "pkg-config" => :build
  depends_on "mbedtls"
  depends_on "neko"
  depends_on "pcre"

  uses_from_macos "m4" => :build
  uses_from_macos "unzip" => :build

  def install
    # Build requires targets to be built in specific order
    ENV.deparallelize

    Dir.mktmpdir("opamroot") do |opamroot|
      ENV["OPAMROOT"] = opamroot
      ENV["OPAMYES"] = "1"
      ENV["ADD_REVISION"] = "1" if build.head?
      system "opam", "init", "--no-setup", "--disable-sandboxing"
      system "opam", "config", "exec", "--",
             "opam", "pin", "add", "haxe", buildpath, "--no-action"
      system "opam", "config", "exec", "--",
             "opam", "install", "haxe", "--deps-only"
      system "opam", "config", "exec", "--",
             "make"
    end

    # Rebuild haxelib as a valid binary
    cd "extra/haxelib_src" do
      system "cmake", ".", *std_cmake_args
      system "make"
    end
    rm "haxelib"
    cp "extra/haxelib_src/haxelib", "haxelib"

    bin.mkpath
    system "make", "install", "INSTALL_BIN_DIR=#{bin}",
           "INSTALL_LIB_DIR=#{lib}/haxe", "INSTALL_STD_DIR=#{lib}/haxe/std"
  end

  def caveats
    <<~EOS
      Add the following line to your .bashrc or equivalent:
        export HAXE_STD_PATH="#{HOMEBREW_PREFIX}/lib/haxe/std"
    EOS
  end

  test do
    ENV["HAXE_STD_PATH"] = "#{HOMEBREW_PREFIX}/lib/haxe/std"
    system "#{bin}/haxe", "-v", "Std"
    system "#{bin}/haxelib", "version"

    (testpath/"HelloWorld.hx").write <<~EOS
      import js.html.Console;

      class HelloWorld {
          static function main() Console.log("Hello world!");
      }
    EOS
    system "#{bin}/haxe", "-js", "out.js", "-main", "HelloWorld"
    _, stderr, = Open3.capture3("osascript -so -lJavaScript out.js")
    assert_match /^Hello world!$/, stderr
  end
end