import { campaignMailProfileReferenceOnly } from "../src/features/campaigns/utils/mailProfileReference";

function assert(condition: unknown, message: string): void {
  if (!condition) throw new Error(message);
}

const source = {
  campaign: { id: "campaign-1" },
  server: {
    mail_profile_id: "  profile-1  ",
    smtp: { host: "smtp.example.test", password: "smtp-secret" },
    imap: { host: "imap.example.test", password: "imap-secret" },
    credentials: { smtp: { username: "sender", password: "legacy-secret" } },
    inherit_smtp_credentials: false
  }
};

const normalized = campaignMailProfileReferenceOnly(source);
const server = normalized.server as Record<string, unknown>;

assert(server.mail_profile_id === "profile-1", "The stable Mail profile reference must be retained and trimmed.");
assert(Object.keys(server).length === 1, "All campaign-local transport settings and credentials must be removed.");
assert((source.server.smtp as Record<string, unknown>).password === "smtp-secret", "Normalization must not mutate the loaded audit representation.");

const withoutProfile = campaignMailProfileReferenceOnly({ server: { smtp: { host: "legacy" } } });
assert(Object.keys(withoutProfile.server as Record<string, unknown>).length === 0, "Legacy settings without a profile must normalize to an empty reference object.");