class Cfssl < Formula
  desc "CloudFlare's PKI toolkit"
  homepage "https://cfssl.org/"
  url "https://github.com/cloudflare/cfssl/archive/1.3.1.tar.gz"
  sha256 "3d0e409d30d41d797974559ae782a11e6823f38f5000544e604058cd43726528"
  head "https://github.com/cloudflare/cfssl.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "e234b37b5cd985fce65227a810df2ceffd40922155e687e47ec84a470f9efd72" => :high_sierra
    sha256 "474d8c8a9a28ba8ae217382efcf5161742ca7f992ce3fc40a14bbc9686b036d0" => :sierra
    sha256 "9c2fc7027b2136c1d228a84f0abd1bfe80c542f89b650ae864f792e9fc63f3fb" => :el_capitan
  end

  depends_on "go" => :build
  depends_on "libtool" => :run

  def install
    ENV["GOPATH"] = buildpath
    cfsslpath = buildpath/"src/github.com/cloudflare/cfssl"
    cfsslpath.install Dir["{*,.git}"]
    cd "src/github.com/cloudflare/cfssl" do
      system "go", "build", "-o", "#{bin}/cfssl", "cmd/cfssl/cfssl.go"
      system "go", "build", "-o", "#{bin}/cfssljson", "cmd/cfssljson/cfssljson.go"
      system "go", "build", "-o", "#{bin}/cfsslmkbundle", "cmd/mkbundle/mkbundle.go"
    end
  end

  def caveats; <<~EOS
    `mkbundle` has been installed as `cfsslmkbundle` to avoid conflict
    with Mono and other tools that ship the same executable.
  EOS
  end

  test do
    (testpath/"request.json").write <<~EOS
      {
        "CN" : "Your Certificate Authority",
        "hosts" : [],
        "key" : {
          "algo" : "rsa",
          "size" : 4096
        },
        "names" : [
          {
            "C" : "US",
            "ST" : "Your State",
            "L" : "Your City",
            "O" : "Your Organization",
            "OU" : "Your Certificate Authority"
          }
        ]
      }
    EOS
    shell_output("#{bin}/cfssl genkey -initca request.json > response.json")
    response = JSON.parse(File.read(testpath/"response.json"))
    assert_match(/^-----BEGIN CERTIFICATE-----.*/, response["cert"])
    assert_match(/.*-----END CERTIFICATE-----$/, response["cert"])
    assert_match(/^-----BEGIN RSA PRIVATE KEY-----.*/, response["key"])
    assert_match(/.*-----END RSA PRIVATE KEY-----$/, response["key"])
  end
end