import type { PropagatorType, RumInitConfiguration } from '@datadog/browser-rum';
import { datadogRum } from '@datadog/browser-rum';

export type { PropagatorType };

interface Matcher {
    match: (url: string) => boolean;
    propagatorTypes?: PropagatorType[] | null;
}

export function isAllowedTracingUrl(
    matchers: NonNullable<RumInitConfiguration['allowedTracingUrls']>,
    url: string,
    propagator: PropagatorType = 'tracecontext'
): boolean {
    const matcher = matchers.find(
        (candidate): candidate is Matcher =>
            typeof candidate === 'object' &&
            'propagatorTypes' in candidate &&
            !!candidate.propagatorTypes?.includes(propagator)
    );
    return matcher?.match(url) ?? false;
}

export function getInitAllowedTracingUrls(): NonNullable<
    RumInitConfiguration['allowedTracingUrls']
> {
    const call = jest.mocked(datadogRum.init).mock.calls.at(-1)![0];
    return call.allowedTracingUrls!;
}