#include "HTTPSessions.h"
#include "HTTPSession.h"
#include "Log.h"

namespace http {

   HTTPSession * HTTPSessions::findSessionByHeader(HTTPRequest &httpRequest) {
      coreutils::ZString sessionId(httpRequest.message.getHeaderKeyPairValue("Cookie", "SessionId"));
      if(sessionId.str() == "")
        return createHTTPSession(httpRequest);
      else
        return findSessionById(sessionId, httpRequest);
   }

   HTTPSession * HTTPSessions::findSessionById(coreutils::ZString &sessionId, HTTPRequest &httpRequest) {
      try {
         HTTPSession *httpSession = sessions.at(sessionId);
         return httpSession;
      }
      catch (...) {
         return createHTTPSession(httpRequest);
      }
   }

   HTTPSession * HTTPSessions::createHTTPSession(HTTPRequest &httpRequest) {
      HTTPSession *httpSession = new HTTPSession();
      coreutils::ZString sessionId(httpSession->getSessionId());
      sessions.insert(std::make_pair(sessionId, httpSession));
      std::stringstream temp;
      temp << "SessionId=" << httpSession->getSessionId();
      httpRequest.response.addHeader(coreutils::IMFHeader("Set-Cookie", temp.str().c_str()));
      return httpSession;
   }

   int HTTPSessions::processCommand(std::string command, core::TCPSession *session, std::stringstream &data) {
      if(sessions.size() > 0) {
         int seq = 0;
         for(auto httpSession: sessions)
           data << "|" << ++seq << "|" << httpSession.second->getSessionId() << "|" << std::endl;
      }
      else
        data << "There are no sessions active." << std::endl;
      return 1;
   }

}