cask "surge@4" do
  version "4.11.2,2016,b4c9dad3472594b01ef3d8ac9b05c78e"
  sha256 "144ba12a3ea884f264ebe8fb5fc2c77003f51057fd9efe8662824acaf3805104"

  url "https://dl.nssurge.com/mac/v#{version.major}/Surge-#{version.tr(",", "-")}.zip"
  name "Surge"
  desc "Network toolbox"
  homepage "https://nssurge.com/"

  livecheck do
    url "https://www.nssurge.com/mac/v#{version.major}/appcast-signed.xml"
    regex(/[._-](\d+(?:\.\d+)+)[._-](\d+)[._-](\h+)\.zip/i)
    strategy :sparkle do |item, regex|
      item.url.scan(regex).map do |match|
        "#{match[0]},#{match[1]},#{match[2]}"
      end
    end
  end

  no_autobump! because: :requires_manual_review

  auto_updates true
  conflicts_with cask: "surge"
  depends_on macos: ">= :high_sierra"

  app "Surge.app"

  uninstall launchctl: "com.nssurge.surge-mac.helper",
            delete:    "/Library/PrivilegedHelperTools/com.nssurge.surge-mac.helper"

  zap delete: [
    "~/Library/Application Support/com.nssurge.surge-mac",
    "~/Library/Caches/com.nssurge.surge-mac",
    "~/Library/Caches/com.nssurge.surge-mac.plist",
    "~/Library/Logs/Surge",
    "~/Library/Preferences/com.nssurge.surge-mac.plist",
  ]
end