import { getPrismaClient, withTenantContext, type TrunkStatus } from "@b2bcall/database";
import { createLogger } from "@b2bcall/shared";

const logger = createLogger("b2bcall-fs-events");

const GATEWAY_STATE_MAP: Record<string, TrunkStatus> = {
  UP: "UP",
  REGED: "REGISTERED",
  TRYING: "TRYING",
  REGISTER: "TRYING",
  FAILED: "FAILED",
  FAIL_WAIT: "FAILED",
  DOWN: "DOWN",
  NOREG: "UNREGISTERED",
  UNREGED: "UNREGISTERED",
};

/**
 * O gateway name no FreeSWITCH é o Trunk.id (ver buildGatewayXml em
 * packages/telephony) — mas RLS exige contexto de tenant, e o evento não
 * diz de qual tenant é. Como o número de tenants é pequeno, procura em
 * cada um até achar (mesmo padrão de fan-out usado em fs-config para
 * sincronizar trunks).
 */
export async function updateTrunkStatusFromGatewayEvent(
  gatewayName: string | undefined,
  rawState: string | undefined,
): Promise<void> {
  if (!gatewayName || !rawState) return;

  const status = GATEWAY_STATE_MAP[rawState.toUpperCase()] ?? "UNKNOWN";
  const prisma = getPrismaClient();

  const tenants = await prisma.tenant.findMany({ where: { status: "ACTIVE" }, select: { id: true } });

  for (const tenant of tenants) {
    const result = await withTenantContext(prisma, tenant.id, (tx) =>
      tx.trunk.updateMany({
        where: { id: gatewayName, tenantId: tenant.id },
        data: { status, statusUpdatedAt: new Date() },
      }),
    );
    if (result.count > 0) {
      logger.info("status do trunk atualizado", { trunkId: gatewayName, status, rawState });
      return;
    }
  }
}