public async Task<string> Request()

        {            

            ServicePointManager.SecurityProtocol = (SecurityProtocolType)12288 | SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

           

            var urlA = "https://api.browse.ai/v2/robots/018bb693-18a5-4590-9859-675b5d1eabde/tasks";

            var urlB = "https://api.browse.ai/v2/robots/4a962674-6fbe-4eea-92da-e930600eba05/tasks";

            var apiKey = "the key";

            var targetUrl = "https://www.ema.europa.eu/en/search?search_api_fulltext=risk";

            const int delayMilliseconds = 5000;

            //var responseGetData = new HttpResponseMessage();

            string status = "failed";

            int attempt = 1;

 

            ServicePointManager.Expect100Continue = true;

            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            ServicePointManager.ServerCertificateValidationCallback += (sender, certificate, chain, sslPolicyErrors) => true;

 

            var requestContentA = new StringContent(

                        "{\"inputParameters\":{\"originUrl\":\"" + targetUrl + "\"}}",

                        Encoding.UTF8,

                        "application/json");

 

            var requestRun = CreateRequest(HttpMethod.Post, urlA, apiKey, requestContentA);

 

            try

            {

                HttpResponseMessage responseRun = await client.SendAsync(requestRun);

                responseRun.EnsureSuccessStatusCode();

 

                var jsonObjectRunA = JObject.Parse(await responseRun.Content.ReadAsStringAsync());

                string id = jsonObjectRunA["result"]["id"].ToString();

 

                do

                {

                    await Task.Delay(delayMilliseconds);

                    var requestGetDataA = CreateRequest(HttpMethod.Get, urlA + "/" + id, apiKey);

                    var responseGetDataA = await client.SendAsync(requestGetDataA);

                    responseGetDataA.EnsureSuccessStatusCode();

 

                    var jsonObjectGetDataA = JObject.Parse(await responseGetDataA.Content.ReadAsStringAsync());

                    status = jsonObjectGetDataA["result"]["status"].ToString();

                    if (status != "successful" && jsonObjectGetDataA["result"]["retriedByTaskId"].ToString() != "null" && jsonObjectGetDataA["result"]["retriedByTaskId"].ToString() != "")

                        id = jsonObjectGetDataA["result"]["retriedByTaskId"].ToString();

                    attempt++;

                } while (status != "successful" && attempt < 10);

 

                if (status == "successful")

                {

                    //todo:

                    // get all tasks created by workflow from robot A and check if all them is finished, then

                    // retrieve the json of each task, then

                    // parse each json and get the 'document link' values from it, then

                    // add all the values to one list which to be returned (btw, i can do it by myself)

 

                    var requestGetTasksB = CreateRequest(HttpMethod.Get, urlB, apiKey);

                    var responseGetTasksB = await client.SendAsync(requestGetTasksB);

                    responseGetTasksB.EnsureSuccessStatusCode();

 

                    var jsonObjectGetTasksB = JObject.Parse(await responseRun.Content.ReadAsStringAsync());

 

                    //... what's the next?

                   

                    StringBuilder sb = new StringBuilder();

                    sb.Add ("links list separated by comma");

                    return sb.ToString();

                }

                else return "error!";                

            }

            catch (HttpRequestException ex)

            {

               return $"Request error: {ex.Message}";

            }

        }

 

        private HttpRequestMessage CreateRequest(HttpMethod method, string url, string apiKey, HttpContent content = null)

        {

            var request = new HttpRequestMessage(method, url)

            {

                Headers = { Authorization = new AuthenticationHeaderValue("Bearer", apiKey) },

                Content = content

            };

            return request;

        }