module Scrivito
  class ResolvePathsController < WebserviceController
    def resolve
      link_parser = LinkParser.new(request.host, request.port)
      @paths = assert_paths.map do |path|
        link = link_parser.parse(path)
        next if link.external?
        {
          'obj_id' => link.obj.id,
          'query' => link.query,
          'fragment' => link.fragment,
        }
      end
    end

    private

    def assert_paths
      raise ClientError.new('paths is not given or not an Array') unless params[:paths].is_a?(Array)
      unless params[:paths].all? { |path| path.is_a?(String) }
        raise ClientError.new('paths is not an Array of Strings')
      end

      params[:paths]
    end
  end
end