class Faraday::Response::RaiseError

def on_complete(env)
  case env[:status]
  when 400
    raise Faraday::BadRequestError, response_values(env)
  when 401
    raise Faraday::UnauthorizedError, response_values(env)
  when 403
    raise Faraday::ForbiddenError, response_values(env)
  when 404
    raise Faraday::ResourceNotFound, response_values(env)
  when 407
    # mimic the behavior that we get with proxy requests with HTTPS
    msg = %(407 "Proxy Authentication Required")
    raise Faraday::ProxyAuthError.new(msg, response_values(env))
  when 409
    raise Faraday::ConflictError, response_values(env)
  when 422
    raise Faraday::UnprocessableEntityError, response_values(env)
  when ClientErrorStatuses
    raise Faraday::ClientError, response_values(env)
  when ServerErrorStatuses
    raise Faraday::ServerError, response_values(env)
  when nil
    raise Faraday::NilStatusError, response_values(env)
  end
end

def query_params(env)
  env.request.params_encoder ||= Faraday::Utils.default_params_encoder
  env.params_encoder.decode(env.url.query)
end

def response_values(env)
  {
    status: env.status,
    headers: env.response_headers,
    body: env.body,
    request: {
      method: env.method,
      url: env.url,
      url_path: env.url.path,
      params: query_params(env),
      headers: env.request_headers,
      body: env.request_body
    }
  }
end