using System;
using System.Collections.Specialized;
using System.IO;
using System.Net;
using System.Text;
using System.Threading;

namespace WraithSubmitter
{
    class CaptchaSolveTextCaptcha
    {
        public static string SolveTextCaptcha(string apiKey, string theQuestion, out string result) {
            string postUrl = "https://2captcha.com/in.php";
            var response = string.Empty;
            result = string.Empty;
            try
            {
                using (var client = new WebClient())
                {
                    var values = new NameValueCollection
                    {
                        ["key"] = apiKey,
                        ["method"] = "POST",
                        ["textcaptcha"] = theQuestion
                    };
                    var res = client.UploadValues(postUrl, values);
                    response = Encoding.Default.GetString(res);
                }
                //Helpers.ReturnMessage(apiKey + " > " + theQuestion + " > " + result);
                //Helpers.ReturnMessage("Response: " + response);
                if (response.Substring(0, 3) == "OK|")
                {
                    string captchaID = response.Remove(0, 3);
                    for (int i = 0; i < 24; i++)
                    {
                        WebRequest getAnswer = WebRequest.Create("https://2captcha.com/res.php?key=" + apiKey + "&action=get&id=" + captchaID);
                        using (WebResponse answerResp = getAnswer.GetResponse())
                        using (StreamReader answerStream = new StreamReader(answerResp.GetResponseStream()))
                        {
                            string answerResponse = answerStream.ReadToEnd();

                            if (answerResponse.Length < 3)
                            {
                                result = answerResponse;
                            } else {
                                if (answerResponse.Substring(0, 3) == "OK|")
                                {
                                    result = answerResponse.Remove(0, 3);
                                    break;
                                } else if (answerResponse != "CAPCHA_NOT_READY"){
                                    //result = answerResponse;
                                    //return result;
                                }
                            }
                        }
                        Thread.Sleep(5000);
                    }
                }
            } catch (Exception ex) {
                Helpers.ReturnMessage("TEXT CAPTCHA:\n\n" + ex.Message);
            }
            return result;
        }

    } // End.

} // End.