class RedisClient::Config

def initialize(
  url: nil,
  host: nil,
  port: nil,
  path: nil,
  **kwargs
)
  if url
    uri = URI(url)
    unless uri.scheme == "redis" || uri.scheme == "rediss"
      raise ArgumentError, "Invalid URL: #{url.inspect}"
    end
    kwargs[:ssl] = uri.scheme == "rediss" unless kwargs.key?(:ssl)
    kwargs[:username] ||= uri.user if uri.password && !uri.user.empty?
    kwargs[:password] ||= if uri.user && !uri.password
      URI.decode_www_form_component(uri.user)
    elsif uri.user && uri.password
      URI.decode_www_form_component(uri.password)
    end
    db_path = uri.path&.delete_prefix("/")
    kwargs[:db] ||= Integer(db_path) if db_path && !db_path.empty?
  end
  super(**kwargs)
  @host = host
  unless @host
    uri_host = uri&.host
    uri_host = nil if uri_host&.empty?
    if uri_host
      @host = uri_host&.sub(/\A\[(.*)\]\z/, '\1')
    end
  end
  @host ||= DEFAULT_HOST
  @port = Integer(port || uri&.port || DEFAULT_PORT)
  @path = path
end