import { registerAs } from "@nestjs/config";

/**
 * EbirrPay — direct mobile-wallet debit (docs/ebirr/INTEGRATION.md).
 *
 * Auth is plain credentials in the request body (§4): there is no signing key, and — because the
 * flow has no hosted page and no callback — no notify URL and no return URL either.
 */
export default registerAs("ebirr", () => ({
  baseUrl: process.env.EBIRR_BASE_URL ?? "",
  merchantUid: process.env.EBIRR_MERCHANT_UID ?? "",
  apiKey: process.env.EBIRR_API_KEY ?? "",
  apiUserId: process.env.EBIRR_API_USER_ID ?? "",
  paymentMethod: process.env.EBIRR_PAYMENT_METHOD ?? "MWALLET_ACCOUNT",
  channelName: process.env.EBIRR_CHANNEL_NAME ?? "WEB",
  /**
   * How long API_PURCHASE waits for the payer to read the USSD prompt and type their PIN. It is
   * awaited on the request path, so it must stay under every timeout in front of it — the
   * passenger API's PAYMENT_API_HTTP_TIMEOUT_MS (60s) and nginx's 60s default proxy_read_timeout.
   * Raising it past those turns a slow payer into a dropped connection instead of a fallback.
   */
  purchaseTimeoutMs: Number(process.env.EBIRR_PURCHASE_TIMEOUT_MS ?? 45_000),
  /** How long the intent stays payable before the reconciliation sweep expires it. */
  pushTtlMs: Number(process.env.EBIRR_PUSH_TTL_MS ?? 180_000),
  insecureTls: process.env.EBIRR_INSECURE_TLS === "true",
}));