#include "fxManager.h"

#include <root.h>
#include <node.h>

#include <SFML/Audio.hpp>

namespace battleship{
	using namespace std;
	using namespace vb01;
	using namespace sf;

	FxManager::Fx::Component::Component(void *c, bool v, s64 dur, vb01::Vector3 p, s64 ot) : comp(c), vfx(v), duration(dur), pos(p), offsetTime(ot) {
		if(v) ((vb01::Node*)c)->setVisible(false);
	}

	FxManager::Fx::Fx(std::vector<FxManager::Fx::Component> comps, bool re) : components(comps), reuse(re){
		toggleComponents(!re);
	}

	void FxManager::Fx::toggleComponents(bool active){
		for(Component &component : components){
			component.active = active;
			component.initTime = getTime();
		}
	}

	static FxManager *fxManager = nullptr;

	FxManager* FxManager::getSingleton(){
		if(!fxManager)
			fxManager = new FxManager();

		return fxManager;
	}

	void FxManager::update(){
		for(int i = 0; i < fxs.size(); i++){
			s64 currTime = getTime();
			Fx *fx = fxs[i];

			for(int j = 0; j < fx->components.size(); j++){
				Fx::Component &comp = fx->components[j];
				s64 currTime = getTime();

				if(comp.comp && currTime - comp.initTime > comp.offsetTime){
					if(comp.active){
						if(comp.vfx)
							((Node*)comp.comp)->setVisible(true);
						else
							((sf::Sound*)comp.comp)->play();

						comp.active = false;
						comp.initTime = getTime();
					}
					else if(!comp.active && currTime - comp.initTime > comp.duration){
						if(fx->reuse){
							if(comp.vfx)
								((Node*)comp.comp)->setVisible(false);
							else
								((sf::Sound*)comp.comp)->stop();
						}
						else{
							destroyFxComponent(i, j);
							fx->components.erase(fx->components.begin() + j);
							j--;
						}
					}
				}

			}

			if(fx->components.empty()){
				delete fx;
				fxs.erase(fxs.begin() + i);
				i--;
			}
		}
	}

	void FxManager::destroyFxComponent(int fid, int cid){
		Fx *fx = fxs[fid];

		if(fx->components[cid].vfx){
			Node *vfxNode = (Node*)fx->components[cid].comp, *parNode = vfxNode->getParent();
			parNode->dettachChild(vfxNode);
			delete vfxNode;
		}
		else{
			sf::Sound *sfx = (sf::Sound*)fx->components[cid].comp;
			const sf::SoundBuffer *buffer = sfx->getBuffer();
			sfx->stop();

			delete sfx;
			delete buffer;
		}

		fx->components[cid].comp = nullptr;
	}

	void FxManager::removeFx(Fx *fx){
		int id = -1;

		for(int i = 0; i < fxs.size(); i++)
			if(fxs[i] == fx){
				id = i;
				break;
			}

		for(int i = 0; i < fx->components.size(); i++)
			destroyFxComponent(id, i);

		fxs.erase(fxs.begin() + id);
		delete fx;
	}
}