module ShopifyApp::Utils

def self.fetch_known_api_versions
  Rails.logger.info("[ShopifyAPI::ApiVersion] Fetching known Admin API Versions from Shopify...")
  ShopifyAPI::ApiVersion.fetch_known_versions
  Rails.logger.info("[ShopifyAPI::ApiVersion] Known API Versions: #{ShopifyAPI::ApiVersion.versions.keys}")
rescue ActiveResource::ConnectionError
  logger.error("[ShopifyAPI::ApiVersion] Unable to fetch api_versions from Shopify")
end

def self.sanitize_shop_domain(shop_domain)
  myshopify_domain = ShopifyApp.configuration.myshopify_domain
  name = shop_domain.to_s.downcase.strip
  name += ".#{myshopify_domain}" if !name.include?(myshopify_domain.to_s) && !name.include?(".")
  name.sub!(%r|https?://|, '')
  u = URI("http://#{name}")
  u.host if u.host&.match(/^[a-z0-9][a-z0-9\-]*[a-z0-9]\.#{Regexp.escape(myshopify_domain)}$/)
rescue URI::InvalidURIError
  nil
end