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package org.opentripplanner.astar.strategy;

import java.time.Duration;
import org.opentripplanner.astar.spi.AStarEdge;
import org.opentripplanner.astar.spi.AStarState;
import org.opentripplanner.astar.spi.SkipEdgeStrategy;

/**
 * Skips edges when the specified number of seconds has elapsed. This does not guarantee that we get
 * all relevant results up to the specified duration, as the only criterion we optimize on is
 * generalized cost.
 */
public class DurationSkipEdgeStrategy<
  State extends AStarState, Edge extends AStarEdge
>
  implements SkipEdgeStrategy {

  private final double durationInSeconds;

  public DurationSkipEdgeStrategy(Duration duration) {
    this.durationInSeconds = duration.toSeconds();
  }

  @Override
  public boolean shouldSkipEdge(State current, Edge edge) {
    return current.getElapsedTimeSeconds() > durationInSeconds;
  }
}