package org.opendaylight.alto.commons.types.converter;
import java.util.LinkedList;

import org.opendaylight.alto.commons.helper.Converter;
import org.opendaylight.alto.commons.types.model150404.ModelCostMap;
import org.opendaylight.alto.commons.types.model150404.ModelCostMapData;
import org.opendaylight.alto.commons.types.rfc7285.RFC7285CostMap;

public class RFC2ModelCostMapConverter
    extends Converter<RFC7285CostMap, ModelCostMap>{

  protected RFC2ModelCostMapMetaConverter metaConv = new RFC2ModelCostMapMetaConverter();
  protected RFC2ModelCostMapDataConverter dataConv = new RFC2ModelCostMapDataConverter();

  public RFC2ModelCostMapConverter() {
  }

  public RFC2ModelCostMapConverter(RFC7285CostMap _in) {
      super(_in);
  }

  @Override
  protected Object _convert() {
    ModelCostMap out = new ModelCostMap();
    out.rid = getCostMapResourceId(in());
    //TODO: replace the dummy one in the future
    out.tag = "da65eca2eb7a10ce8b059740b0b2e3f8eb1d4786";

    out.meta = metaConv.convert(in().meta);
    out.map = new LinkedList<ModelCostMapData>();
    for (String src : in().map.keySet()) {
      ModelCostMapData data = new ModelCostMapData();
      data.src = src;
      data.dstCosts = dataConv.convert(in().map.get(src));
      out.map.add(data);
    }
    return out;
  }

  private String getCostMapResourceId(RFC7285CostMap costMap) {
    String networkMapRID = costMap.meta.netmap_tags.get(0).rid;
    String costMetric = costMap.meta.costType.metric;
    String costMode = costMap.meta.costType.mode;
    return networkMapRID + "-" + costMetric + "-" + costMode;
  }
}