# frozen_string_literal: true

module StorageManager
  class S3
    attr_reader :base_url

    def initialize(endpoint:, access_key_id:, secret_access_key:, bucket:, base_url:)
      @s3 = Aws::S3::Resource.new(
        region:      "weur",
        endpoint:    endpoint,
        credentials: Aws::Credentials.new(access_key_id, secret_access_key),
      ).bucket(bucket)
      @base_url = base_url
    end

    def delete(path)
      return unless exists?(path)
      @s3.object(trim(path)).delete
    end

    def exists?(path)
      @s3.object(trim(path)).exists?
    end

    def get(path, &block)
      file = @s3.object(trim(path)).get.body
      block&.call(file)
      file
    end

    def put(path, io)
      @s3.object(trim(path)).put(body: io, content_type: Marcel::MimeType.for(io))
    end

    def upload(path, body)
      put(path, body)
      "#{base_url}#{path}"
    end

    def url_for(entry)
      "#{base_url}#{entry.path}"
    end

    def trim(path)
      # R2 for some reason doesn't trim preceding slashes
      path.sub(%r{^/}, "")
    end
  end
end