import { datadogRum } from '@datadog/browser-rum';
import { bundleState } from './bundle-state';
import { getSharedImpl } from './get-shared';
import type { RumUser } from './shared-impl';

export type { RumUser } from './shared-impl';

/**
 * Sets the session user on the Datadog RUM SDK.
 *
 * - **SDK initialized via `init`**: only the bundle whose `init` call
 *   initialized the SDK may set the user; calls from any other bundle are
 *   silent no-ops.
 * - **SDK initialized directly via `datadogRum.init`**: no gating is applied.
 * - **Neither initialized**: no-op.
 */
export function setUser(user: RumUser): void {
    if (bundleState.isSdkInitializer) {
        datadogRum.setUser(user);
        return;
    }
    if (!getSharedImpl() && datadogRum.getInitConfiguration()) {
        datadogRum.setUser(user);
    }
}