Platoniq/decidim-verifications-direct_verifications

# frozen_string_literal: true

module Decidim
  module DirectVerifications
    module Parsers
      class NameParser < BaseParser
        LINE_DELIMITER = /[\r\n;,]/
        NON_ALPHA_CHARS = /[^[:print:]]|["$<>|\\]/

        def header
          nil
        end

        def lines
          txt.split(LINE_DELIMITER)
        end

        def parse_data(email, line, _header)
          name = parse_name(email, line)
          name = strip_non_alpha_chars(name)
          name.presence || fallback_name(email)
        end

        private

        def strip_non_alpha_chars(str)
          (str.presence || "").gsub(NON_ALPHA_CHARS, "").strip
        end

        def parse_name(email, line)
          line.split(email).first
        end

        def fallback_name(email)
          email.split("@").first&.gsub(/\W/, "")
        end
      end
    end
  end
end