#include <iostream>
#include <iomanip>
#include <atomic>
#include <sstream>
#include <string.h>
#include <tt_cplus_sdk.h>
#include <condition_variable>

std::mutex mutex;
std::condition_variable sdkReadyCondition;

//
//  SDK event handler class
//

class SDKEventHandler : public ttsdk::IEventHandler
{
public:
  SDKEventHandler() : IEventHandler() {}
  virtual ~SDKEventHandler() {}

  // received on an SDK managed thread that can be used for processing.
  // beware that time consuming tasks can delay the delivery of another status event.

  virtual void OnStatus(const ttsdk::IEventHandler::Status status) override
  {
  if (status == ttsdk::IEventHandler::Status::INITIALIZED)
    {
      std::cout << "---SDK is initialized." 
                << std::endl;
      std::lock_guard<std::mutex> lock(mutex);
      sdkReadyCondition.notify_one();
    }
  else
    {
      std::cout << "SDKEventHandler::OnStatus (" 
                << (uint32_t)status << ")" 
                << std::endl;
    }
  }
};

//
//  Main
//

int main(int argc, char* argv[])
{
    //Set the environment the app needs to run in here
    ttsdk::Environment env = ttsdk::Environment::ProdLive;

    // Add your app secret Key here. It looks like: 00000000-0000-0000-0000-000000000000:00000000-0000-0000-0000-000000000000
    std::string app_key = “Your App Key”;

    ttsdk::TTSDKOptions options;
    options.environment = env;
    options.app_key_secret = app_key.c_str();

    SDKEventHandler myObserver;
    
    if (!ttsdk::Initialize(options, &myObserver, nullptr))
    {
      std::cout << "Unable to initialize SDK!" << std::endl;
      return -1;
    }  

    std::unique_lock<std::mutex> lock(mutex);
    if (sdkReadyCondition.wait_for(lock, std::chrono::seconds(300)) == std::cv_status::timeout)
    {
      std::cout << "Timeout waiting for SDK to initialize!"
                << std::endl;
                return -1;
    }

    std::cout << std::endl;
    std::cout << "<<<<< TT CORE SDK is initialized. >>>>>" 
              << std::endl;

    std::cout << std::endl << "Press q to exit....." 
              << std::endl;
    std::string command;
    while (std::cin >> command)
    {
      if (command == "q")
      {
        std::cout << "Quitting...\n";
        break;
      }
    }
    std::cout << "Exiting..." 
              << std::endl;
              ttsdk::Shutdown();
}