require "test_helper"

class Mailings::ImapBounceReaderTest < ActiveSupport::TestCase
  test "parses aruba-style delivery failure from raw rfc822" do
    identity = create_mail_identity(
      from_email: "info@matchlivetv.it",
      smtp_username: "info@matchlivetv.it",
      smtp_host: "smtps.aruba.it",
      smtp_port: 465,
      encryption: "tls"
    )

    raw = <<~EML
      From: mail-daemon@example.com
      To: info@matchlivetv.it
      Subject: Recapito fallito
      Date: Mon, 07 Sep 2026 08:14:05 +0200
      MIME-Version: 1.0
      Content-Type: text/plain; charset=UTF-8

      Delivery to the following recipients failed permanently:

         * broken@club.it

      Reason: 550 5.1.1 User unknown

      Final-Recipient: rfc822; broken@club.it
      Diagnostic-Code: smtp; 550 5.1.1 User unknown

      Subject: Più visibilità per ASD Test Club
    EML

    reader = Mailings::ImapBounceReader.new(identity)
    parsed = reader.send(:parse_message, raw, uid: 42)
    assert_not_nil parsed
    assert_includes parsed[:failed_emails], "broken@club.it"
    assert_equal "ASD Test Club", parsed[:club_hint]
    assert_match(/550|User unknown/i, parsed[:reason].to_s)
  end
end