class Seed::Parks
  def self.call(...)
    new(...).call
  end

  def call
    offset, total = 0, 1
    while offset < total do
      response_body = NpsClient.current.parks(offset: offset).body
      offset = response_body['start'].to_i + response_body['limit'].to_i
      total = response_body['total'].to_i
      parks = response_body['data']
        .pluck('parkCode', 'name', 'states')
        .map do |code, name, states|
          { code:, name:, states: }
        end
      Park.upsert_all(parks, unique_by: :code)
      Rails.logger.info("Upserted #{parks.count} national parks")
    end
  end
end