const PROVIDER_LABELS: Record<string, string> = {
  sendblue: "iMessage",
  slack: "Slack",
  whatsapp: "WhatsApp",
  telegram: "Telegram",
  lark: "Feishu",
};

/** User-facing name of a messaging provider (falls back to the raw id). */
export function providerLabel(provider: string): string {
  return PROVIDER_LABELS[provider] ?? provider;
}

/** Per-message provider label, narrowed to a recognized transport when available. */
export function messageProviderLabel(provider: string, transport?: string): string {
  if (provider === "sendblue" && ["iMessage", "SMS", "RCS"].includes(transport ?? "")) {
    return transport!;
  }
  return providerLabel(provider);
}