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package be.mct.model;

import be.mct.entities.Beer;
import be.mct.entities.BeerData;
import be.mct.entities.BeerLover;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 *
 * @author Tommy
 */
public class BeersFacade {

   private Map<String, Object> context;
   private Beer beer;
   private int offset = 0;
   private int maxResults = 3;

    private boolean next;
    private boolean prev;
    public boolean getNext() {
        return next;
    }

    public boolean getPrev() {
        return prev;
    }

    public int getMaxResults() {
        return maxResults;
    }

    public void setMaxResults(int maxResults) {
        this.maxResults = maxResults;
    }

    public int getOffset() {
        return offset;
    }

    public void setOffset(int offset) {
         BeerLover tmp = (BeerLover) context.get("identity");
        if(offset + maxResults < tmp.getBeers().size()) { next = true; }else{ next = false;}
        if(offset - maxResults > 0) { prev = true; }else{ prev =false; }
        this.offset = offset;
    }


    public Beer getBeer() {
        return beer;
    }

    public void setBeer(Beer beer) {
        this.beer = beer;
    }

    public Map<String, Object> getContext() {
        return context;
    }

    public void setContext(Map<String, Object> context) {
        this.context = context;
    }

   public List<BeerData> getEigen() {
      List<BeerData> bd = new ArrayList();
      BeerLover tmp = (BeerLover) context.get("identity");
      List<Beer> beers = tmp.getBeers();
      for(int i = offset ; i < offset + maxResults ; i++) {
        try {
            Beer b = beers.get(i);
            bd.add(new BeerData(b,tmp.getFavorites().contains(b)));
        }catch(Exception ex) {
            //Woops out of bounds ^^
        }
      }
      return bd;
   }
}