module Coco
  class Svg < Coco::Component
    SVG_CACHE = {}

    InvalidSvgError = Class.new(StandardError)

    attr_reader :path

    def initialize(path: nil, **kwargs)
      @path = path.gsub(".svg", "")
    end

    def svg
      SVG_CACHE[path] ||= read_svg
    end

    def read_svg
      File.read(full_path).html_safe
    rescue
      if Rails.env.development? || Rails.env.test?
        raise InvalidSvgError, "The SVG `#{full_path}` was not found"
      end
    end

    def full_path
      Coco::Engine.root.join("app/assets/build/coco/img/#{path}.svg")
    end
  end
end