# frozen_string_literal: true

module Decidim
  # This class deals with uploading files to Decidim. It is intended to just
  # hold the uploads configuration, so you should inherit from this class and
  # then tweak any configuration you need.
  class ApplicationUploader < CarrierWave::Uploader::Base
    include CarrierWave::MiniMagick

    process :validate_inside_organization

    # Override the directory where uploaded files will be stored.
    # This is a sensible default for uploaders that are meant to be mounted:
    def store_dir
      default_path = "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"

      return File.join(Decidim.base_uploads_path, default_path) if Decidim.base_uploads_path.present?

      default_path
    end

    # When the uploaded content can't be processed, we want to make sure
    # not to expose internal tools errors to the users.
    # We'll show a generic error instead.
    def manipulate!
      super
    rescue CarrierWave::ProcessingError => e
      Rails.logger.error(e)
      raise CarrierWave::ProcessingError, I18n.t("carrierwave.errors.general")
    end

    # As of Carrierwave 2.0 fog_provider method has been deprecated, and is throwing RuntimeError
    # RuntimeError: Carrierwave fog_provider not supported: DEPRECATION WARNING: #fog_provider is deprecated...
    # We are attempting to fetch the provider from credentials, if not we consider to be file
    def provider
      fog_credentials.fetch(:provider, "file").downcase
    end

    # We overwrite the downloader to be able to fetch some elements from URL.
    def downloader
      Decidim::Downloader
    end

    protected

    # Validates that the associated model is always within an organization in
    # order to pass the organization specific settings for the file upload
    # checks (e.g. file extension, mime type, etc.).
    def validate_inside_organization
      return if model.is_a?(Decidim::Organization)
      return if model.respond_to?(:organization) && model.organization.is_a?(Decidim::Organization)

      raise CarrierWave::IntegrityError, I18n.t("carrierwave.errors.not_inside_organization")
    end
  end
end