module PreviewService
  class ImageFetcherService
    @aws_service: AwsService
    @tempfiles: Array[Tempfile]

    def initialize: (AwsService aws_service) -> void

    def fetch_s3_image: (String key, ?String folder) -> MiniMagick::Image?

    def fetch_job_icon: (String job_name) -> MiniMagick::Image?

    def fetch_weapon_image: (Weapon weapon, ?mainhand: bool) -> MiniMagick::Image?

    def cleanup: -> void

    private

    def create_temp_file: -> Tempfile

    def download_from_s3: (String key, Tempfile temp_file) -> void

    def create_mini_magick_image: (Tempfile temp_file) -> MiniMagick::Image

    def handle_fetch_error: (Exception error, String key) -> nil
  end
end