class Haxe < Formula
  desc "Multi-platform programming language"
  homepage "https://haxe.org/"
  url "https://github.com/HaxeFoundation/haxe.git",
      :tag      => "4.0.2",
      :revision => "fc976eac04685b206a9a64d9a88ee6237e4b72af"
  head "https://github.com/HaxeFoundation/haxe.git", :branch => "development"

  bottle do
    cellar :any
    sha256 "03e8b41fc8bfd6cc77d283ec78d5b5f89a3343ccb31338fb2de5ad11bde0e0e1" => :catalina
    sha256 "6b7c977ce5acd98d9c38bd668d1d31a42cc61fb1fa8be2c3400acfc0d507ad62" => :mojave
    sha256 "d58593b1301ad899f18087c72da39b12045785dfd69d40cf9fbdac15124dd4df" => :high_sierra
  end

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

  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", "."
      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"
  end
end