#pragma once

#include "ofMain.h"
#include "ofxJSON.h"

#define THUMB_BORDER_RATIO 0.8
#define THUMB_SIZE 160
#define DEFAULT_FADEIN 1.0
#define BEZIER_OUT 0.2
#define BEZIER_IN 0.5

class chainImage : public ofImage{
	//todo: threaded image loader

	public:
		chainImage(){
			link=NULL;
			ofImage();
		}
		void init(ofPoint _linkPos,float _linkScale,float _linkRot);

		void start();
		bool load(std::string _filename){
			filename=_filename;
			if (ofImage::load(filename)){
				makeThumbnail();

				//could there be a way to load without committing the texture
				//setUseTexture(false);
				setAnchorPoint(getWidth()/2,getHeight()/2);
				return true;
			}

			return false;
		}

		bool update(float decayRatio);
		ofVec3f getTransform();
		float getScale();
		float getRotation();

		void drawChain(float fadeIn=DEFAULT_FADEIN);

		ofImage thumbnail;
		void makeThumbnail();

		Json::Value toJson();
		bool fromJson(Json::Value json);

		chainImage *link;

		ofPoint linkPos;
		float linkScale;
		float linkRot;
		std::string filename;

		float transition;
		float fadeIn;
		float speed;
		float time;
		float scale;

		ofPolyline path;

		//int totalframes,framecount;

};

class chainImageSet{
	public:
		chainImageSet(){
			currentDefaultImageRatio=0.3;
			filename="";
			outputSize=ofPoint(1024,576);
			decayFactor=.999;
		}
		void drawGui();
		void drawOutput();
		void update();
		bool add(std::string filename,glm::vec2 pos);
		void keyPressed(ofKeyEventArgs &keyargs);
		void mouseDragged(int x, int y, int button);
		void mousePressed(int x, int y, int button);
		void mouseReleased(int x, int y, int button);

		bool saveJson(std::string filename);
		bool loadJson(std::string filename);

		ofPoint outputSize;

		std::list <chainImage> images;
		float currentDefaultImageRatio;

		std::list<chainImage>::iterator selected;
		ofPoint clickPoint;
		ofPoint dragPoint;
		float dragScale;
		float dragRotate;

		std::string filename;

		chainImage *currentImage;

		float decayFactor;
};