import { STSClient } from '@aws-sdk/client-sts';
const MAX_TAG_VALUE_LENGTH = 256;
const SANITIZATION_CHARACTER = '_';
let stsclient;
export function getStsClient(region, agent) {
    if (!stsclient) {
        stsclient = new STSClient({
            region,
            customUserAgent: agent,
        });
    }
    return stsclient;
}
export function sanitizeGithubActor(actor) {
    // In some circumstances the actor may contain square brackets. For example, if they're a bot ('[bot]')
    // Square brackets are not allowed in AWS session tags
    return actor.replace(/\[|\]/g, SANITIZATION_CHARACTER);
}
export function sanitizeGithubWorkflowName(name) {
    // Workflow names can be almost any valid UTF-8 string, but tags are more restrictive.
    // This replaces anything not conforming to the tag restrictions by inverting the regular expression.
    // See the AWS documentation for constraint specifics https://docs.aws.amazon.com/STS/latest/APIReference/API_Tag.html.
    const nameWithoutSpecialCharacters = name.replace(/[^\p{L}\p{Z}\p{N}_:/=+.-@-]/gu, SANITIZATION_CHARACTER);
    const nameTruncated = nameWithoutSpecialCharacters.slice(0, MAX_TAG_VALUE_LENGTH);
    return nameTruncated;
}
export function errorMessage(error) {
    return error instanceof Error ? error.message : String(error);
}
export function isDefined(i) {
    return i !== undefined && i !== null;
}
function sleep(ms) {
    return new Promise((resolve) => setTimeout(resolve, ms));
}
// retryAndBackoff retries with exponential backoff the promise if the error isRetryable upto maxRetries time.
export async function retryAndBackoff(fn, isRetryable, retries = 0, maxRetries = 12, base = 50) {
    try {
        return await fn();
    }
    catch (err) {
        if (!isRetryable) {
            throw err;
        }
        // It's retryable, so sleep and retry.
        await sleep(Math.random() * (Math.pow(2, retries) * base));
        retries += 1;
        if (retries === maxRetries) {
            throw err;
        }
        return await retryAndBackoff(fn, isRetryable, retries, maxRetries, base);
    }
}
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RyeS5cbiAgICBhd2FpdCBzbGVlcChNYXRoLnJhbmRvbSgpICogKE1hdGgucG93KDIsIHJldHJpZXMpICogYmFzZSkpO1xuICAgIHJldHJpZXMgKz0gMTtcbiAgICBpZiAocmV0cmllcyA9PT0gbWF4UmV0cmllcykge1xuICAgICAgdGhyb3cgZXJyO1xuICAgIH1cbiAgICByZXR1cm4gYXdhaXQgcmV0cnlBbmRCYWNrb2ZmKGZuLCBpc1JldHJ5YWJsZSwgcmV0cmllcywgbWF4UmV0cmllcywgYmFzZSk7XG4gIH1cbn1cbiJdfQ==