#include "playlist.h"

playlist::playlist()
{
	name="";
	
}

void playlist::load(string _name){
    //printf("loading %s\n",_name.c_str());
	thumbnail.allocate(128,128,GL_RGB); //segfault here orig 128,128,GL_RGB
	thumbnailed=false;

    if( !XML.loadFile(_name) ){
		printf("unable to load %s check data/ folder\n",_name.c_str());
    }else {
        //printf("starting loader thread\n");
        loadimg(); //how to do this from the worker thread???
        startThread(false, false); //blocking, verbose
    }



}

void playlist::threadedFunction(){
        if( lock() ){
            loadLayers();
            unlock();
            printf("unlocking thread\n");
        }
}

void playlist::loadLayers(){
	int numLayers=0;
	layers.clear();
	name=XML.getAttribute("playlist", "name", "");
	float speed=XML.getAttribute("playlist", "speed", 0);
	if(XML.pushTag("playlist")) {
		numLayers=XML.getNumTags("svglayer");
		if(numLayers) {
			for (int i=0;i<numLayers;i++) {
				string s=XML.getAttribute("svglayer", "file", "",i);
				printf("loading %s: \n",s.c_str());
				layers[XML.getAttribute("svglayer", "note", 0,i)]=new svglayer(s);
			}
			thumbnailed=false;
		}
		numLayers=XML.getNumTags("movlayer");
		if(numLayers) {
			for (int i=0;i<numLayers;i++) {
				string s=XML.getAttribute("movlayer", "file", "",i);
				printf("loading %s: \n",s.c_str());
				int note=XML.getAttribute("movlayer", "note", 0,i);
				int endnote=XML.getAttribute("movlayer", "endnote", 0,i);
				layers[note]=new videolayer(XML.getAttribute("movlayer", "file", "",i),note,endnote,speed);
				if (endnote>note) {
					for (int j=note+1;j<endnote;j++) {
						layers[j]=layers[note];
					    }
				}
			}
			thumbnailed=false;
		}
		numLayers=XML.getNumTags("imglayer");
		if(numLayers) {
			for (int i=0;i<numLayers;i++) {
				string s=XML.getAttribute("imglayer", "files", "",i);
				printf("loading %s: \n",s.c_str());
				int note=XML.getAttribute("imglayer", "note", 0,i);
				int endnote=XML.getAttribute("imglayer", "endnote", 0,i);
				float rate=XML.getAttribute("imglayer", "rate", 0.0,i);
				int frames=XML.getAttribute("imglayer", "frames", 0,i);
				int start=XML.getAttribute("imglayer", "start", 1,i);
				layers[note]=new imglayer(s,frames,start,rate,note,endnote);
				if (endnote>note) {
					for (int j=note+1;j<=endnote;j++) {
						layers[j]=layers[note];
					    }
				}
			}
			thumbnailed=false;
		}
		XML.popTag();
	}

}

void playlist::makeThumbnail(){
	if (layers.size()) {
		thumbnail.begin();
		ofBackground(0,0,0);
		ofPushMatrix();
		ofTranslate(64,64);
		ofScale(0.2,0.2,0.2);
		ofTranslate(-64,-64);
		map<int,layer*>::iterator i=layers.begin();
		i->second->draw(1.0,64,64,0.0);
		ofPopMatrix();
		thumbnail.end();
		thumbnailed=true;
	}
}


void playlist::loadimg(){
    int numLayers=0;
    layers.clear();
    if(XML.pushTag("playlist")) {
      numLayers=XML.getNumTags("imglayer");
          if(numLayers) {
                 for (int i=0;i<numLayers;i++) {
             string s=XML.getAttribute("imglayer", "file", "",i);
             printf("%s: ",s.c_str());
            layers[XML.getAttribute("imglayer", "note", 0,i)]=new imglayer(XML.getAttribute("imglayer", "file", "",i));
         }
          }
      else printf("no IMG layers loaded!\n");
      XML.popTag();
     }

}

playlist::~playlist()
{
    //dtor
}