package NFP.Algorithms;

import java.util.List;

import seg.jUCMNav.nfp.generated.*;

public class AggregateResources {

	private List<Resource> resourcesPlus;
	private CompositionType composition;
	private Resource aggregatedResource;
	private ConvertResUnits convertResUnit;
	
	public Resource getAggregateResources(List<Resource> resourcePlus, CompositionType composition){
		this.resourcesPlus=resourcePlus;
		this.composition=composition;
		convertResUnit = new ConvertResUnits();
		initialize();		
		for(Resource res : resourcesPlus){
			for(ResourceReq req : res.getResourceReqs()){
				if(req.getCategory()== ResourceKind.STORAGE_RESOURCE || req.getCategory()== ResourceKind.TIMING_RESOURCE){
					ResourceReq aggregateReq = null;
					for(ResourceReq aReq : aggregatedResource.getResourceReqs()){
						if(aReq.getCategory()==req.getCategory()){
							aggregateReq = aReq;
							break;
						}
					}
					if(aggregateReq==null){
						aggregatedResource.getResourceReqs().add(req);
					}
					else{
						if(this.composition == CompositionType.Sequence || this.composition == CompositionType.Loop){
							aggregateReq.setQuantity(aggregateReq.getQuantity()+
									convertResUnit.getConvertedValue(req.getQuantity(), req.getUnit(), aggregateReq.getUnit()));
						}
						else if(this.composition == CompositionType.ConditionalBranching){
			 				aggregateReq.setQuantity(Math.max(aggregateReq.getQuantity(),
									convertResUnit.getConvertedValue(req.getQuantity(), req.getUnit(), aggregateReq.getUnit())));
						}
						else{
							if(aggregateReq.getCategory()==ResourceKind.TIMING_RESOURCE){
								aggregateReq.setQuantity(Math.max(aggregateReq.getQuantity(),
										convertResUnit.getConvertedValue(req.getQuantity(), req.getUnit(), aggregateReq.getUnit())));
							}
							else{
								aggregateReq.setQuantity(aggregateReq.getQuantity()+
										convertResUnit.getConvertedValue(req.getQuantity(), req.getUnit(), aggregateReq.getUnit()));
							}
						}
					}
				}
				else{
					aggregatedResource.getResourceReqs().add(req);
				}
			}
		}
		return aggregatedResource;
	}

	private void initialize() {
		aggregatedResource = new Resource();
	}

}