class OpenApiSDK::Utils::RetryConfig

def initialize(backoff: nil, retry_connection_errors: nil, strategy: nil)
  @backoff = T.let(backoff, T.nilable(BackoffStrategy))
  @retry_connection_errors = T.let(retry_connection_errors, T.nilable(T::Boolean))
  @strategy = T.let(strategy, T.nilable(::String))
end

def to_faraday_retry_options(initial_time:)
  retry_options = {
    # must overwrite default max of 2 retries and it must be positive
    max: 1_000_000_000,
    # ensure all HTTP methods are retried, especially via retry_if
    methods: [],
  }
  if @retry_connection_errors
    retry_options[:exceptions] = Faraday::Retry::Middleware::DEFAULT_EXCEPTIONS + [Faraday::ConnectionFailed]
  end
  if @strategy == 'backoff' && @backoff
    retry_options[:backoff_factor] = @backoff.exponent unless @backoff.exponent.nil?
    retry_options[:interval] = (@backoff.initial_interval.to_f / 1000) unless @backoff.initial_interval.nil?
    retry_options[:max_interval] = @backoff.max_interval unless @backoff.max_interval.nil?
    unless @backoff.max_elapsed_time.nil?
      stop_time = initial_time + (@backoff.max_elapsed_time.to_f / 1000)
      retry_options[:retry_if] = ->(_env, _exc) { Time.now < stop_time }
    end
  end
  retry_options
end