/****************************************************************************
Copyright (c) 2013-2014 Chukong Technologies Inc.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#include "TriggerMng.h"
#include "json/filestream.h"
#include "json/prettywriter.h"
#include "json/stringbuffer.h"

using namespace cocos2d;

namespace cocostudio {
    
TriggerMng* TriggerMng::_sharedTriggerMng = nullptr;

TriggerMng::TriggerMng(void)
: _movementDispatches(new std::unordered_map<Armature*, ArmatureMovementDispatcher*>)
{
}

TriggerMng::~TriggerMng(void)
{
    removeAll();
    _eventTriggers.clear();
	_triggerObjs.clear();

	removeAllArmatureMovementCallBack();
	CC_SAFE_DELETE(_movementDispatches);
}

const char* TriggerMng::triggerMngVersion()
{
    return "1.0.0.0";
}

TriggerMng* TriggerMng::getInstance()
{
    if (nullptr == _sharedTriggerMng)
    {
        _sharedTriggerMng = new TriggerMng();
    }
    return _sharedTriggerMng;
}

void TriggerMng::destroyInstance()
{
    CC_SAFE_DELETE(_sharedTriggerMng);
}

void TriggerMng::parse(const rapidjson::Value &root)
{
    CCLOG("%s", triggerMngVersion());
    int count = DICTOOL->getArrayCount_json(root, "Triggers");
    ScriptEngineProtocol* engine = ScriptEngineManager::getInstance()->getScriptEngine();
    bool useBindings = engine != nullptr;

    if (useBindings)
    {
        if (count > 0)
        {
            const rapidjson::Value &subDict = DICTOOL->getSubDictionary_json(root, "Triggers");
            rapidjson::StringBuffer buffer;
            rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
            subDict.Accept(writer);
            
            engine->parseConfig(ScriptEngineProtocol::ConfigType::COCOSTUDIO, buffer.GetString());
        }
    }
    else
    {
        for (int i = 0; i < count; ++i)
        {
            const rapidjson::Value &subDict = DICTOOL->getSubDictionary_json(root, "Triggers", i);
            TriggerObj *obj = TriggerObj::create();
            obj->serialize(subDict);
            auto &vInt = obj->getEvents();
            for (const auto& e : vInt)
            {
                add((unsigned int)e, obj);
            }
            
            _triggerObjs.insert(std::pair<unsigned int, TriggerObj*>(obj->getId(), obj));
        }
    }
}

cocos2d::Vector<TriggerObj*>* TriggerMng::get(unsigned int event) const
{
    CCAssert(event >= 0, "Argument must be larger than 0");
    
    auto iter = _eventTriggers.find(event);
    if (iter == _eventTriggers.end())
    {
        return nullptr;
    }
    return iter->second;
}

TriggerObj* TriggerMng::getTriggerObj(unsigned int id) const
{
    auto iter = _triggerObjs.find(id);
    if (iter == _triggerObjs.end())
    {
        return nullptr;
    }
    return iter->second;
}

bool TriggerMng::add(unsigned int event, TriggerObj *obj)
{
    bool ret = false;
    CCAssert(obj != nullptr, "Argument must be non-nil");
    do
    {
        auto iterator = _eventTriggers.find(event);
        if (iterator == _eventTriggers.end())
        {
            auto array = new cocos2d::Vector<TriggerObj*>();
            array->pushBack(obj);
            _eventTriggers.insert(std::make_pair(event, array));
        }
        else
        {
            Vector<TriggerObj*>* temp = iterator->second;
            if(temp->find(obj) == temp->end())
            {
                temp->pushBack(obj);
            }
        }
        ret = true;
    } while(0);
    return ret;
}

void TriggerMng::removeAll(void)
{
    auto etIter = _eventTriggers.begin();
    for (;etIter != _eventTriggers.end(); ++etIter)
    {
        for (auto toIter = etIter->second->begin(); toIter != etIter->second->end(); ++toIter)
        {
            (*toIter)->removeAll();
        }
        etIter->second->clear();
        CC_SAFE_DELETE(etIter->second);
    }
    _eventTriggers.clear();
}

bool TriggerMng::remove(unsigned int event)
{
    bool bRet = false;
    CCAssert(event >= 0, "event must be larger than 0");
    do 
    {
        auto iterator = _eventTriggers.find(event);
        if(iterator != _eventTriggers.end())
        {
            for(auto &obj : *iterator->second)
            {
                obj->removeAll();
            }
            iterator->second->clear();
            CC_SAFE_DELETE(iterator->second);
        }
        
        _eventTriggers.erase(event);
        
        bRet = true;
    } while(0);
    return bRet;
}

bool TriggerMng::remove(unsigned int event, TriggerObj *Obj)
{
	bool bRet = false;
	CCAssert(event >= 0, "event must be larger than 0");
	CCAssert(Obj != 0, "TriggerObj must be not 0");
	do 
	{
        auto iterator = _eventTriggers.find(event);
        if(iterator != _eventTriggers.end())
        {
            for(auto &triobj : *iterator->second)
            {
                if (triobj != nullptr && triobj == Obj)
                {
                    triobj->removeAll();
                    break;
                }
            }
            
            iterator->second->eraseObject(Obj);
        }
        
		bRet = true;
	} while(0);
	return bRet;
}

bool TriggerMng::removeTriggerObj(unsigned int id)
{
	TriggerObj *obj = getTriggerObj(id);
	if (obj == nullptr)
	{
		return false;
	}
	auto &_vInt = obj->getEvents();
	for (auto iter = _vInt.begin(); iter != _vInt.end(); ++iter)
	{
		remove(*iter, obj);
	}
	return true;
}

bool TriggerMng::isEmpty(void) const
{
    return _eventTriggers.empty();
}

void TriggerMng::addArmatureMovementCallBack(Armature *pAr, Object *pTarget, SEL_MovementEventCallFunc mecf)
{
	if (pAr == nullptr || _movementDispatches == nullptr || pTarget == nullptr || mecf == nullptr)
	{
		return;
	}

	auto iter = _movementDispatches->find(pAr);
	ArmatureMovementDispatcher *amd = nullptr;
	if (iter == _movementDispatches->end())
	{
		amd = new ArmatureMovementDispatcher();
        pAr->getAnimation()->setMovementEventCallFunc(CC_CALLBACK_0(ArmatureMovementDispatcher::animationEvent, amd, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
        amd->addAnimationEventCallBack(pTarget, mecf);
		_movementDispatches->insert(std::make_pair(pAr, amd));

	}
	else
	{
		amd = iter->second;
		amd->addAnimationEventCallBack(pTarget, mecf);
	}
}

void TriggerMng::removeArmatureMovementCallBack(Armature *pAr, Object *pTarget, SEL_MovementEventCallFunc mecf)
{
	if (pAr == nullptr || _movementDispatches == nullptr || pTarget == nullptr || mecf == nullptr)
	{
		return;
	}
    
    auto iter =_movementDispatches->find(pAr);
	ArmatureMovementDispatcher *amd = nullptr;
	if (iter == _movementDispatches->end())
	{
		return;
	}
	else
	{
		amd = iter->second;
		amd->removeAnnimationEventCallBack(pTarget, mecf);
	}
}

void TriggerMng::removeArmatureAllMovementCallBack(Armature *pAr)
{
	if (pAr == nullptr)
	{
		return;
	}

	auto iter = _movementDispatches->find(pAr);
	if (iter == _movementDispatches->end())
	{
		return;
	}
	else
	{
		CC_SAFE_DELETE(iter->second);
		_movementDispatches->erase(iter);
	}
}

void TriggerMng::removeAllArmatureMovementCallBack()
{
	auto iter = _movementDispatches->begin();
	while (iter != _movementDispatches->end())
	{
		removeArmatureAllMovementCallBack(iter->first);
	}
	_movementDispatches->clear();
}

ArmatureMovementDispatcher::ArmatureMovementDispatcher(void)
: _mapEventAnimation(nullptr)
{
	_mapEventAnimation = new std::unordered_map<Object*, SEL_MovementEventCallFunc> ;
}

ArmatureMovementDispatcher::~ArmatureMovementDispatcher(void)
{
	_mapEventAnimation->clear();
	CC_SAFE_DELETE(_mapEventAnimation);
}

 void ArmatureMovementDispatcher::animationEvent(Armature *armature, MovementEventType movementType, const std::string& movementID)
 {
	 for (auto iter = _mapEventAnimation->begin(); iter != _mapEventAnimation->end(); ++iter)
	 {
		   (iter->first->*iter->second)(armature, movementType, movementID);
	 }
 }

  void ArmatureMovementDispatcher::addAnimationEventCallBack(Object *pTarget, SEL_MovementEventCallFunc mecf)
  {
	  _mapEventAnimation->insert(std::make_pair(pTarget, mecf));
  }

  void ArmatureMovementDispatcher::removeAnnimationEventCallBack(Object *pTarget, SEL_MovementEventCallFunc mecf)
  {
	  _mapEventAnimation->erase(pTarget);
  }
  
}