#include "tlogger.h"

#include "tsystem.h"

#include "tthreadmessage.h"

#include "tconvert.h"

#include <fstream></fstream>

#include <set></set>

#include <vector></vector>

#include <qtimer></qtimer>

class TLogger::Imp {

public:

  std::vector<tlogger::message> m_messages;</tlogger::message>

  std::set<tlogger::listener *=""> m_listeners;</tlogger::listener>

  TThread::Mutex m_mutex;

  class ListenerNotifier final : public TThread::Message {

    Imp *m_imp;

  public:

    ListenerNotifier(Imp *imp) : m_imp(imp) {}

    void onDeliver() override {

      QMutexLocker sl(&m_imp->m_mutex);

      std::set<tlogger::listener *="">::iterator it;</tlogger::listener>

      for (it = m_imp->m_listeners.begin(); it != m_imp->m_listeners.end();

           ++it)

        (*it)->onLogChanged();

    }

    TThread::Message *clone() const override {

      return new ListenerNotifier(*this);

    }

  };

  void notify() {

    // ListenerNotifier(this).send();//onDeliver()

    std::set<tlogger::listener *="">::iterator it;</tlogger::listener>

    for (it = m_listeners.begin(); it != m_listeners.end(); ++it)

      (*it)->onLogChanged();

  }

};

TLogger::TLogger() : m_imp(new Imp()) {}

TLogger::~TLogger() {}

TLogger *TLogger::instance() {

  static TLogger _instance;

  return &_instance;

}

TLogger::Message::Message(MessageType type, std::string text)

    : m_type(type), m_text(text) {

  QTime t     = QTime::currentTime();

  m_timestamp = t.toString("hh:mm:ss.zzz").toStdString();

}

void TLogger::addMessage(const Message &msg) {

  QMutexLocker sl(&m_imp->m_mutex);

  m_imp->m_messages.push_back(msg);

  m_imp->notify();

}

void TLogger::clearMessages() {

  QMutexLocker sl(&m_imp->m_mutex);

  m_imp->m_messages.clear();

  m_imp->notify();

}

int TLogger::getMessageCount() const {

  QMutexLocker sl(&m_imp->m_mutex);

  return m_imp->m_messages.size();

}

TLogger::Message TLogger::getMessage(int index) const {

  QMutexLocker sl(&m_imp->m_mutex);

  assert(0 <= index && index < getMessageCount());

  return m_imp->m_messages[index];

}

void TLogger::addListener(TLogger::Listener *listener) {

  m_imp->m_listeners.insert(listener);

}

void TLogger::removeListener(TLogger::Listener *listener) {

  m_imp->m_listeners.erase(listener);

}

TLogger::Stream::Stream(MessageType type) : m_type(type), m_text() {}

TLogger::Stream::~Stream() {

  try {

    TLogger::Message msg(m_type, m_text);

    TLogger::instance()->addMessage(msg);

  } catch (...) {

  }

}

TLogger::Stream &TLogger::Stream::operator<<(std::string v) {

  m_text += v;

  return *this;

}

TLogger::Stream &TLogger::Stream::operator<<(int v) {

  m_text += std::to_string(v);

  return *this;

}

TLogger::Stream &TLogger::Stream::operator<<(double v) {

  m_text += std::to_string(v);

  return *this;

}

TLogger::Stream &TLogger::Stream::operator<<(const TFilePath &v) {

  m_text += v.getQString().toStdString();

  return *this;

}