#include "Level.h"
#include "CollisionManager.h"
#include "Game.h"
#include "JumpPad.h"
#include "ExplosiveCrate.h"
#include "Portal.h"
#include <Resource\OResource.h>

//Conversion from wstring to string
#include <codecvt>

using namespace GameLogic;
using namespace Utility::DynamicMemory;
using namespace Oyster::Physics;
using namespace Oyster::Math;

Level::Level(void)
{
	srand (time(NULL));
	objIDCounter = 100; 
}
Level::~Level(void)
{
}
Object* Level::CreateGameObj(ObjectHeader* obj, ICustomBody* rigidBody)
{
	Object* gameObj  = NULL;
	
	switch ((ObjectSpecialType)obj->specialTypeID)
	{
	case ObjectSpecialType_None: 
		{
			gameObj = new StaticObject(rigidBody, Object::DefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter); 

		}
		break;
	case ObjectSpecialType_Sky: 
		{
			float skySize = ((SkyAttributes*)obj)->skySize; 
			//gameObj = new StaticObject(rigidBody, Object::DefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objID); 
		}
		break;
	case ObjectSpecialType_World: 
		{
			API::Instance().SetGravityPoint(Oyster::Math3D::Float3(0,0,0));
			API::Instance().SetGravity(200); // could balance gravitation with the world size

			float worldSize = ((WorldAttributes*)obj)->worldSize; 
			float atmosphereSize = ((WorldAttributes*)obj)->atmoSphereSize; 

			gameObj = new StaticObject(rigidBody, Object::DefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter); 
		}
		break;
	case ObjectSpecialType_Building: 
		{
			gameObj = new StaticObject(rigidBody, Object::DefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter); 
		}
		break;
	case ObjectSpecialType_Stone: 
		{
			gameObj = new DynamicObject(rigidBody, DynamicObject::DynamicDefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter);
		}
		break;
	case ObjectSpecialType_StandardBox: 
		{
			gameObj = new DynamicObject(rigidBody, DynamicObject::DynamicDefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter);
		}
		break;
	case ObjectSpecialType_RedExplosiveBox: 
		{
			Oyster::Math::Float dmg = 50; 
			Oyster::Math::Float force = 800; 
			Oyster::Math::Float radie = 3; 
			gameObj = new ExplosiveCrate(rigidBody, (ObjectSpecialType)obj->specialTypeID, objIDCounter, dmg, force, radie);
		}
		break;
	//case ObjectSpecialType_BlueExplosiveBox: 
	//	int dmg = 70; 
	//	gameObj = new ExplosiveBox(rigidBody, ObjectSpecialType_BlueExplosiveBox);
	//	break;
	case ObjectSpecialType_SpikeBox: 
		{
			gameObj = new DynamicObject(rigidBody, DynamicObject::DynamicDefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter);
		}
		break;
	case ObjectSpecialType_Spike: 
		{
			gameObj = new DynamicObject(rigidBody, DynamicObject::DynamicDefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter);
		}
		break;
	case ObjectSpecialType_CrystalFormation: 
		{
			int dmg = 30; 
			gameObj = new StaticObject(rigidBody, Object::DefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter); 
		}
		break;
	case ObjectSpecialType_CrystalShard: 
		{
			gameObj = new DynamicObject(rigidBody, DynamicObject::DynamicDefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter);
		}
		break;
	case ObjectSpecialType_JumpPad: 
		{
			float power = ((JumpPadAttributes*)obj)->power; 
			Oyster::Math::Float3 dir = ((JumpPadAttributes*)obj)->direction; 
			Oyster::Math::Float3 pushForce = dir * power; 
			gameObj = new JumpPad(rigidBody, (ObjectSpecialType)obj->specialTypeID, objIDCounter , pushForce);
		}
		break;
	case ObjectSpecialType_Portal: 
		{
			Oyster::Math::Float3 destination = ((PortalAttributes*)obj)->destination; 
			gameObj = new Portal(rigidBody, (ObjectSpecialType)obj->specialTypeID, objIDCounter, destination);
		}
		break;
	case ObjectSpecialType_Generic:
		{
			gameObj = new StaticObject(rigidBody, Object::DefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter); 
		}
		break;
	case ObjectSpecialType_PickupHealth:
		{
			gameObj = new PickupHealth(rigidBody, obj->specialTypeID, objIDCounter, ((PickupHealthAttributes*)obj)->spawnTime, ((PickupHealthAttributes*)obj)->healthValue);
		}
		break;
	default:
		{
			gameObj = new StaticObject(rigidBody, Object::DefaultOnCollision, (ObjectSpecialType)obj->specialTypeID, objIDCounter); 
		}
		break;
	}
	return gameObj;
}

ICustomBody* Level::InitRigidBodyCube( const ObjectHeader* obj)
{
	ICustomBody* rigidBody = NULL;
	Oyster::Math::Float3 rigidWorldPos;
	Oyster::Math::Float4 rigidWorldRotation;
	float rigidBodyMass;
	Oyster::Math::Float3 rigidBodySize;

	//offset the rigidPosition from modelspace to worldspace;
	rigidWorldPos = (Oyster::Math::Float3)obj->position + (Oyster::Math::Float3)obj->boundingVolume.box.position; 

	//scales the position so the collision geomentry is in the right place
	rigidWorldPos = rigidWorldPos * obj->scale;

	//offset the rigidRotation from modelspace to worldspace;
	Oyster::Math::Quaternion worldPosQuaternion = Oyster::Math::Quaternion(Oyster::Math::Float3(obj->rotation[0],obj->rotation[1],obj->rotation[2]), obj->rotation[3]);
	Oyster::Math::Quaternion physicsPosQuaternion = Oyster::Math::Quaternion(Oyster::Math::Float3(obj->boundingVolume.sphere.rotation[0],obj->boundingVolume.sphere.rotation[1],obj->boundingVolume.sphere.rotation[2]), obj->boundingVolume.sphere.rotation[3]);
	Oyster::Math::Quaternion rigidWorldQuaternion = worldPosQuaternion * physicsPosQuaternion; 

	rigidWorldRotation = Oyster::Math::Float4(rigidWorldQuaternion); 

	//mass scaled
	rigidBodyMass = obj->scale[0] * obj->scale[1] * obj->scale[2] * obj->boundingVolume.box.mass;

	//size scaled 
	rigidBodySize = (Oyster::Math::Float3)obj->boundingVolume.box.size * (Oyster::Math::Float3)obj->scale;

	//create the rigid body
	rigidBody = API::Instance().AddCollisionBox(rigidBodySize , rigidWorldRotation  , rigidWorldPos , rigidBodyMass, obj->boundingVolume.box.restitutionCoeff , obj->boundingVolume.box.frictionCoeffStatic , obj->boundingVolume.box.frictionCoeffDynamic);
	return rigidBody;
}
ICustomBody* Level::InitRigidBodySphere( const ObjectHeader* obj)
{
	ICustomBody* rigidBody = NULL;
	Oyster::Math::Float3 rigidWorldPos;
	Oyster::Math::Float4 rigidWorldRotation;
	float rigidBodyMass;
	float rigidBodyRadius;

	//offset the rigidPosition from modelspace to worldspace;
	rigidWorldPos = (Oyster::Math::Float3)obj->position + (Oyster::Math::Float3)obj->boundingVolume.sphere.position;
	//scales the position so the collision geomentry is in the right place
	rigidWorldPos = rigidWorldPos * obj->scale;

	//offset the rigidRotation from modelspace to worldspace;
	Oyster::Math::Quaternion worldPosQuaternion = Oyster::Math::Quaternion(Oyster::Math::Float3(obj->rotation[0],obj->rotation[1],obj->rotation[2]), obj->rotation[3]);
	Oyster::Math::Quaternion physicsPosQuaternion = Oyster::Math::Quaternion(Oyster::Math::Float3(obj->boundingVolume.sphere.rotation[0],obj->boundingVolume.sphere.rotation[1],obj->boundingVolume.sphere.rotation[2]), obj->boundingVolume.sphere.rotation[3]);
	Oyster::Math::Quaternion rigidWorldQuaternion = worldPosQuaternion * physicsPosQuaternion; 

	rigidWorldRotation = Oyster::Math::Float4(rigidWorldQuaternion); 


	//mass scaled
	rigidBodyMass = obj->scale[0] * obj->scale[1] * obj->scale[2] * obj->boundingVolume.sphere.mass;

	//Radius scaled
	rigidBodyRadius = (obj->scale[0]) * obj->boundingVolume.sphere.radius;
	//rigidBodyRadius = (obj->scale[0] * obj->scale[1] * obj->scale[2]) * obj->boundingVolume.sphere.radius;

	//create the rigid body
	rigidBody = API::Instance().AddCollisionSphere( rigidBodyRadius , rigidWorldRotation , rigidWorldPos , rigidBodyMass, obj->boundingVolume.sphere.restitutionCoeff , obj->boundingVolume.sphere.frictionCoeffStatic , obj->boundingVolume.sphere.frictionCoeffDynamic);
	return rigidBody;
}
ICustomBody* Level::InitRigidBodyMesh( const ObjectHeader* obj)
{
	ICustomBody* rigidBody = NULL;
	Oyster::Math::Float3 rigidWorldPos;
	Oyster::Math::Float4 rigidWorldRotation;
	float rigidBodyMass;
	float rigidBodyRadius;

	//offset the rigidPosition from modelspace to worldspace;
	rigidWorldPos = (Oyster::Math::Float3)obj->position + (Oyster::Math::Float3)obj->boundingVolume.cgMesh.position;
	//scales the position so the collision geomentry is in the right place
	rigidWorldPos = rigidWorldPos * obj->scale;

	//offset the rigidRotation from modelspace to worldspace;
	Oyster::Math::Quaternion worldPosQuaternion = Oyster::Math::Quaternion(Oyster::Math::Float3(obj->rotation[0],obj->rotation[1],obj->rotation[2]), obj->rotation[3]);
	Oyster::Math::Quaternion physicsPosQuaternion = Oyster::Math::Quaternion(Oyster::Math::Float3(obj->boundingVolume.cgMesh.rotation[0],obj->boundingVolume.cgMesh.rotation[1],obj->boundingVolume.cgMesh.rotation[2]), obj->boundingVolume.cgMesh.rotation[3]);
	Oyster::Math::Quaternion rigidWorldQuaternion = worldPosQuaternion * physicsPosQuaternion; 

	rigidWorldRotation = Oyster::Math::Float4(rigidWorldQuaternion); 


	//mass scaled
	rigidBodyMass = obj->scale[0] * obj->scale[1] * obj->scale[2] * obj->boundingVolume.cgMesh.mass;

	//Radius scaled
	//rigidBodyRadius = (obj->scale[0]) * obj->boundingVolume.sphere.radius;
	//rigidBodyRadius = (obj->scale[0] * obj->scale[1] * obj->scale[2]) * obj->boundingVolume.sphere.radius;

	//create the rigid body
	std::wstring fname = L"..\\Content\\Worlds\\cgf\\";
	fname.append(obj->boundingVolume.cgMesh.filename);
	rigidBody = API::Instance().AddTriangleMesh( fname , rigidWorldRotation , rigidWorldPos , rigidBodyMass, obj->boundingVolume.cgMesh.restitutionCoeff , obj->boundingVolume.cgMesh.frictionCoeffStatic , obj->boundingVolume.cgMesh.frictionCoeffDynamic);
	return rigidBody;
}
bool Level::InitiateLevel(std::wstring levelPath)
{
	LevelLoader ll; 
	ll.SetFolderPath("..\\Content\\Worlds\\");
	std::vector<Utility::DynamicMemory::SmartPointer<ObjectTypeHeader>> objects; 

	//Convert from wstring to string
	typedef std::codecvt_utf8<wchar_t> convert_typeX;
	std::wstring_convert<convert_typeX, wchar_t> converterX;

	std::string convertedLevelPath = converterX.to_bytes(levelPath);
	objects = ll.LoadLevel(convertedLevelPath);

	if(objects.size() == 0)
		return false;

	API::Instance().SetGravityPoint(Oyster::Math3D::Float3(0,0,0));
	API::Instance().SetGravity(200);
	int objCount = (int)objects.size();

	for (int i = 0; i < objCount; i++)
	{
		++this->objIDCounter;
		ObjectTypeHeader* obj = objects.at(i);
		switch (obj->typeID)
		{
		case ObjectType::ObjectType_LevelMetaData:
			{
				LevelMetaData* LevelObjData = ((LevelMetaData*)obj);
				std::string levelName = LevelObjData->levelName;

				// LevelObjData->worldSize;
			}
			break;
		case ObjectType::ObjectType_Static:
			{
				ObjectHeader* staticObjData = ((ObjectHeader*)obj);
				staticObjData->ModelFile;

				ICustomBody* rigidBody_Static = NULL;	

				// collision shape
				if(staticObjData->boundingVolume.geoType == CollisionGeometryType_Sphere)
				{
					rigidBody_Static = InitRigidBodySphere(staticObjData);
				}

				else if(staticObjData->boundingVolume.geoType == CollisionGeometryType_Box)
				{	
					rigidBody_Static = InitRigidBodyCube(staticObjData);
				}

				else if(staticObjData->boundingVolume.geoType == CollisionGeometryType_Cylinder)
				{
					//rigidBody_Static = InitRigidBodyCylinder(staticObjData);
				}

				else if(staticObjData->boundingVolume.geoType == CollisionGeometryType_CG_MESH)
				{
					rigidBody_Static = InitRigidBodyMesh(staticObjData);
				}

				if(rigidBody_Static != NULL)
				{
					// create game object
					Object* staticGameObj = CreateGameObj(staticObjData, rigidBody_Static);
					
					if(staticObjData->specialTypeID == ObjectSpecialType_PickupHealth)
					{
						this->pickupSystem.CreatePickup((PickupHealth*)staticGameObj);
					}
					else if(staticGameObj != NULL)
					{
						this->staticObjects.Push((StaticObject*)staticGameObj);
					}
				}
			}
			break;
		case ObjectType::ObjectType_Dynamic:
			{
				ObjectHeader* dynamicObjData = ((ObjectHeader*)obj);
				dynamicObjData->ModelFile;

				ICustomBody* rigidBody_Dynamic = NULL;	

				// collision shape
				if(dynamicObjData->boundingVolume.geoType == CollisionGeometryType_Sphere)
				{
					rigidBody_Dynamic = InitRigidBodySphere(dynamicObjData);
				}

				else if(dynamicObjData->boundingVolume.geoType == CollisionGeometryType_Box)
				{	
					rigidBody_Dynamic = InitRigidBodyCube(dynamicObjData);
				}

				else if(dynamicObjData->boundingVolume.geoType == CollisionGeometryType_Cylinder)
				{
					//rigidBody_Dynamic = InitRigidBodyCylinder(dynamicObjData);
				}

				if(rigidBody_Dynamic != NULL)
				{
					// create game object
					Object* dynamicGameObj = CreateGameObj(dynamicObjData, rigidBody_Dynamic);
					if (dynamicGameObj != NULL)
					{
						dynamicGameObj->GetRigidBody()->SetSubscription(Level::PhysicsOnMoveLevel);
						this->dynamicObjects.Push((DynamicObject*)dynamicGameObj);
					}
				}
			}
			break;
		case ObjectType::ObjectType_Light:
			// read on client
			break;
		case ObjectType::ObjectType_SpawnPoint:
			{
				Oyster::Math::Float3 pos;
				pos.x = ((SpawnPointAttributes*)obj)->position[0];
				pos.y = ((SpawnPointAttributes*)obj)->position[1];
				pos.z = ((SpawnPointAttributes*)obj)->position[2];
				spawnPoints.Push(pos);
			}
		default:
			break;
		}
	}

	return true;
}

void Level::AddPlayerToTeam(Player *player, int teamID)
{
	this->teamManager.AddPlayerToTeam(player,teamID);
}
void Level::AddPlayerToGame(Player *player)
{
	int i = rand() % spawnPoints.Size();
	Float3 spawnPoint = spawnPoints[i]; 
	player->ResetPlayer(spawnPoint);
	for(int i = 0; i < (int)this->playerObjects.Size(); i++)
	{
		if (!this->playerObjects[i])
		{
			this->playerObjects[i] = player;
			return;
		}
	}
	// if no free space, allocate a new spot
	this->playerObjects.Push(player);
}
void Level::RemovePlayerFromGame(Player *player)
{
	for(int i = 0; i < (int)this->playerObjects.Size(); i++)
	{
		if ((Player*)this->playerObjects[i] == player)
		{
			this->playerObjects[i] =  nullptr;
		}
	}
}
void Level::CreateTeam(int teamSize)
{
	this->teamManager.CreateTeam(teamSize);
}

void Level::RespawnPlayer(Player *player)
{
	//this->teamManager.RespawnPlayerRandom(player);

	int i = rand() % spawnPoints.Size();
	Float3 spawnPoint = spawnPoints[i]; 
	player->Respawn(spawnPoint);
}
void Level::Update(float deltaTime)
{
	// update lvl-things
	

	for(int i = 0; i < (int)this->playerObjects.Size(); i++)
	{
		if(this->playerObjects[i])
		{
			if(this->playerObjects[i]->getAffectingPlayer() != NULL)
			{
			
			}

			if (this->playerObjects[i]->GetState() == PLAYER_STATE::PLAYER_STATE_DEAD)
			{
				// true when timer reaches 0 
				if(this->playerObjects[i]->deathTimerTick(deltaTime))
					RespawnPlayer(this->playerObjects[i]);
			}
			else if (this->playerObjects[i]->GetState() == PLAYER_STATE::PLAYER_STATE_DIED)
			{
				this->playerObjects[i]->setDeathTimer(DEATH_TIMER);
				// HACK to avoid crasch. affected by tag is NULL
				//((Game*)&Game::Instance())->onDeadFnc(this->playerObjects[i], this->playerObjects[i], DEATH_TIMER); // add killer ID
				Player* killer = this->playerObjects[i]->getAffectingPlayer();
				if(!killer) //if there is no killer then you commited suicide
				{
					killer = this->playerObjects[i];
				}
				((Game*)&Game::Instance())->onDeadFnc(this->playerObjects[i], killer, DEATH_TIMER); // add killer ID
			}
		}
	}

	for(int i = 0; i < dynamicObjects.Size(); i++)
	{
		if(dynamicObjects[i]->getAffectingPlayer() != NULL)
		{
			Oyster::Math::Float vel = dynamicObjects[i]->GetRigidBody()->GetLinearVelocity().GetMagnitude();

			if(vel <= 0.1f) // is bearly moving
			{
				//set the tag AffectedBy to NULL
				dynamicObjects[i]->RemoveAffectedBy();
			}
		}
	}

	for(int i = 0; i < playerObjects.Size(); i++)
	{
		if(playerObjects[i]->getAffectingPlayer() != NULL)
		{
			Oyster::Math::Float vel = playerObjects[i]->GetRigidBody()->GetLinearVelocity().GetMagnitude();

			if(vel <= 0.1f) // is bearly moving
			{
				//set the tag AffectedBy to NULL
				playerObjects[i]->RemoveAffectedBy();
			}
		}
	}

	this->pickupSystem.Update();
}
int Level::getNrOfDynamicObj()
{
	return this->dynamicObjects.Size(); 
}
Object* Level::GetObj( int ID) const
{
	for (int i = 0; i < (int)this->dynamicObjects.Size(); i++)
	{
		if(this->dynamicObjects[i]->GetID() == ID)
			return this->dynamicObjects[i];
	}
	return NULL;
}

void Level::PhysicsOnMoveLevel(const ICustomBody *object)
{
	// function call from physics update when object was moved
	Object* temp = (Object*)object->GetCustomTag();
	((Game*)&Game::Instance())->onMoveFnc(temp);
}
Utility::DynamicMemory::DynamicArray<Player*>			Level::GetPlayers()
{
	return this->playerObjects;
}
Utility::DynamicMemory::DynamicArray<Utility::DynamicMemory::SmartPointer<StaticObject>>	Level::GetStaticObjects()
{
	return this->staticObjects;
}
Utility::DynamicMemory::DynamicArray<Utility::DynamicMemory::SmartPointer<DynamicObject>>	Level::GetDynamicObject()
{
	return this->dynamicObjects;
}