Wrike API Connector for Power Automate

public class Script : ScriptBase
{
    public override async Task<HttpResponseMessage> ExecuteAsync()
    {
        // 1. Safely retrieve the "hookUrl" header if present
        if (this.Context.Request.Headers.TryGetValues("hookUrl", out var headerValues))
        {
            var rawHookUrl = headerValues.FirstOrDefault();

            if (!string.IsNullOrWhiteSpace(rawHookUrl))
            {
                // 2. Fully URL-encode the complete hookUrl value so decoding returns the original string
                //var encodedHookUrl = HttpUtility.UrlEncode(rawHookUrl);

                // 3. Rebuild the request URI cleanly without manual string concatenation
                var uriBuilder = new UriBuilder(this.Context.Request.RequestUri);
                var queryParams = HttpUtility.ParseQueryString(uriBuilder.Query);

                // Add or overwrite the hookUrl query parameter
                queryParams["hookUrl"] = rawHookUrl;
                uriBuilder.Query = queryParams.ToString();

                // 4. Update the request URI
                this.Context.Request.RequestUri = uriBuilder.Uri;
            }
        }

        HttpResponseMessage response = await this.Context.SendAsync(this.Context.Request, this.CancellationToken).ConfigureAwait(false);

        // Check if this is a successful webhook creation missing the Location header
        if (response.IsSuccessStatusCode && !response.Headers.Contains("Location"))
        {
            // Inject a fallback Location header (e.g., using a reference ID from the body or request URI)
            // Power Automate uses this URI when issuing an Unsubscribe call.
            response.Headers.Add("Location", this.Context.Request.RequestUri.ToString());
        }

        return response;

    }
}