#include "TelegramResponse.mq5"

#property library

class TelegramApi
{
   protected:
      string baseUrl;
      string token;
   public:
      /**
         @var string _token - your bot's token
         
         token should be url encoded twice
      **/
      void TelegramApi(string _token): token(_token) {
         baseUrl = "https://api.telegram.org/bot";
      };
      string getBaseUrl();
      TelegramResponse* sendMessage(string chatId, string text);
};

string TelegramApi::getBaseUrl(void)
{
   return StringFormat("%s%s", baseUrl, token);
}

TelegramResponse* TelegramApi::sendMessage(string chatId, string text)
{
   string url = StringFormat("%s/sendMessage?chat_id=%s&text=%s", getBaseUrl(), chatId, text);
   string headers="";
   string cookie=NULL,responseHeaders; 
   
   char post[], result[];
   
   int responseCode = WebRequest(
      "POST",
      url,
      headers,
      120,
      post,
      result,
      responseHeaders
   );
   
   TelegramResponse* response = new TelegramResponse();
   
   if (responseCode == -1) {
      response.setLastError(StringFormat("WebRequest error. Code %d.", GetLastError()));
   } else if (responseCode == 200) {
      response.setHeaders(headers);
      response.setResult(result);
   } else {
      response.setLastError(StringFormat("Code %d returned. Code %d", responseCode, GetLastError()));
      response.setHeaders(headers);
      response.setResult(result);
   }
   
   return response;
}