class AwsEsProxy < Formula
  desc "Small proxy between HTTP client and AWS Elasticsearch"
  homepage "https://github.com/abutaha/aws-es-proxy"
  url "https://github.com/abutaha/aws-es-proxy/archive/v0.8.tar.gz"
  sha256 "f1462dcfd75aa2a8e7e370f2cfac3241bcc44de3406181fc164b9c1f90315f2c"

  bottle do
    cellar :any_skip_relocation
    sha256 "5a9753d4f211e7781c6d84160be263b57ab74f2efd5155f3edc70dd84e94f57e" => :high_sierra
    sha256 "d8d3782b6e2a6bbe52b0a4d435e0376f23279e841696cd3a9e62b6a6d2edb26f" => :sierra
    sha256 "873743453d14d675276a5a541dad73c7d75157d6da5e63d5aa374def5894c18b" => :el_capitan
  end

  depends_on "glide" => :build
  depends_on "go" => :build

  def install
    ENV["GLIDE_HOME"] = buildpath/"glide_home"
    ENV["GOPATH"] = buildpath
    (buildpath/"src/github.com/abutaha/aws-es-proxy").install buildpath.children
    cd "src/github.com/abutaha/aws-es-proxy" do
      system "glide", "install"
      system "go", "build", "-o", "aws-es-proxy"

      bin.install "aws-es-proxy"
      prefix.install_metafiles
    end
  end

  def caveats
    <<~EOS
      Before you can use these tools you must export some variables to your $SHELL.
        export AWS_ACCESS_KEY="<Your AWS Access ID>"
        export AWS_SECRET_KEY="<Your AWS Secret Key>"
        export AWS_CREDENTIAL_FILE="<Path to the credentials file>"
    EOS
  end

  test do
    begin
      io = IO.popen("#{bin}/aws-es-proxy -endpoint https://dummy-host.eu-west-1.es.amazonaws.com", :err => [:child, :out])
      sleep 2
    ensure
      Process.kill("SIGINT", io.pid)
      Process.wait(io.pid)
    end

    assert_match "Listening on", io.read
  end
end