/**
  * Unittest for testing the statemachine for aes objects
  * $Id$
  * $HeadURL$
  * $Author$
  */

#include "aes_statemachine_test.h"
#include <QDebug>
#include <QSignalSpy>
#include <QTest>
#include <nglapplication/nglcoreapplication.h>

using namespace AreaEffectSimulation;

int main(int argc, char *argv[])
{
  NGLCoreApplication app(argc, argv);
  app.createLogger("StateMachineTest", "log4cxx_AreaEffectSimulation.props");

  StateMachineTest *test = new StateMachineTest;
  int retCode = QTest::qExec(test, argc, argv);
  delete test;

  return retCode;
}

namespace QTest
{
template<>
char *toString(const AesEffectState &s) { std::ostringstream str; str << s; return strdup(str.str().c_str()); }
}

DummyAesObject::DummyAesObject(QObject *parent)
  : ObjectBaseTmpl(nullptr, QStringLiteral("DummyAesObject"), parent)
{}

QPolygonF DummyAesObject::generateForm()
{
  return QPolygonF();
}

StateMachineTest::StateMachineTest()
  : m_dummyAesObject(new DummyAesObject(this))
{}

StateMachineTest::~StateMachineTest()
{
  delete m_dummyAesObject;
}

void StateMachineTest::staticTests()
{
  const time_t tNow = time(nullptr);

  // newly created, nothing set -> checkEnterNewState() should switch to created
  QCOMPARE(m_dummyAesObject->checkEnterNewState().underlying(), AesEffectState::EsCreated);

  // now we set a activation time -> Prepared
  m_dummyAesObject->setActivationTime(tNow + 5);
  QCOMPARE(m_dummyAesObject->checkEnterNewState().underlying(), AesEffectState::EsPrepared);

  // now back to created
  m_dummyAesObject->setActivationTime(0);
  QCOMPARE(m_dummyAesObject->checkEnterNewState().underlying(), AesEffectState::EsCreated);

  // directly to activated
  m_dummyAesObject->setActivationTime(tNow);
  QCOMPARE(m_dummyAesObject->checkEnterNewState().underlying(), AesEffectState::EsActivated);

  // pause not possible
  m_dummyAesObject->setSupportsPausing(false);
  QCOMPARE(m_dummyAesObject->trySwitchToPaused(), false);

  // now possible
  m_dummyAesObject->setSupportsPausing(true);
  QCOMPARE(m_dummyAesObject->trySwitchToPaused(), true);

  // and back to activated
  QCOMPARE(m_dummyAesObject->isActivationTimeReached(), true);  // sanity
  QCOMPARE(m_dummyAesObject->trySwitchToActivated(), true);

  // set end time
  m_dummyAesObject->setActivationTime(tNow);
  m_dummyAesObject->setDurationSec(1);

  // wait 1.5sec (100 * QTest::qWait(15))
  for (int i = 0; i < 100; ++i)
  {
    QTest::qWait(15);
  }
  QCOMPARE(m_dummyAesObject->checkEnterNewState().underlying(), AesEffectState::EsExpired);

  // try to delete it
  QCOMPARE(m_dummyAesObject->trySwitchToRemoved(), false);
  m_dummyAesObject->setActivationTime(0);
  m_dummyAesObject->setDurationSec(0);
  m_dummyAesObject->setAesEffectState(AesEffectState::EsUnknown);
  QCOMPARE(m_dummyAesObject->trySwitchToRemoved(), false);
  m_dummyAesObject->setAesEffectState(AesEffectState::EsCreated);
  QCOMPARE(m_dummyAesObject->trySwitchToRemoved(), true);
  m_dummyAesObject->setAesEffectState(AesEffectState::EsPaused);
  QCOMPARE(m_dummyAesObject->trySwitchToRemoved(), true);
  // an active/paused object must not set to deleted but to expired
  QCOMPARE(m_dummyAesObject->effectState().underlying(), AesEffectState::EsExpired);
  QCOMPARE(m_dummyAesObject->trySwitchToCreated(), false);
}

void StateMachineTest::dynamicTests()
{
  const time_t tNow = time(nullptr);

  QSignalSpy spy(m_dummyAesObject, &DummyAesObject::effectStateChanged);

  m_dummyAesObject->setAesEffectState(AesEffectState::EsUnknown);
  // set activation time
  m_dummyAesObject->setActivationTime(tNow + 1);
  QCOMPARE(m_dummyAesObject->isActivationTimeSet(), true);

  // set end time
  m_dummyAesObject->setDurationSec(2);
  QCOMPARE(m_dummyAesObject->isEndTimeSet(), true);

  QCOMPARE(m_dummyAesObject->checkEnterNewState().underlying(), AesEffectState::EsPrepared);
  QCOMPARE(spy.count(), 2); // Created, Prepared
  spy.clear();

  qDebug() << "Waiting for activation time";
  for (int i = 0; i < 100; ++i)
  {
    QTest::qWait(15); // wait until the object is Activated
    if (m_dummyAesObject->effectState() == AesEffectState::EsActivated)
      break;
  }
  QCOMPARE(m_dummyAesObject->effectState().underlying(), AesEffectState::EsActivated);

  qDebug() << "Waiting for end time";
  for (int i = 0; i < 200; ++i)
  {
    QTest::qWait(15); // wait until the object is Expired
    if (m_dummyAesObject->effectState() == AesEffectState::EsExpired)
      break;
  }
  AreaEffectSimulation::AesEffectState state = m_dummyAesObject->effectState();
  QCOMPARE(state.underlying(), AesEffectState::EsExpired);

  QCOMPARE(spy.count(), 2); // Activated, Done
  spy.clear();
}