package org.simantics.district.network.profile;

import java.util.Optional;

import org.simantics.db.Resource;
import org.simantics.scl.runtime.function.Function1;

/**
 * @author Tuukka Lehtonen
 */
public class DiagramSettings {

	public final Optional<Function1<Resource, Double>> arrowLengthProperty;
	public final double arrowLengthGain;
	public final double arrowLengthBias;

	public DiagramSettings(
			Function1<Resource, Double> arrowLengthProperty, double arrowLengthGain, double arrowLengthBias
			) {
		this.arrowLengthProperty = Optional.ofNullable(arrowLengthProperty);
		this.arrowLengthGain = arrowLengthGain;
		this.arrowLengthBias = arrowLengthBias;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		//result = prime * result + edgeThicknessProperty.hashCode();
		result = prime * result + arrowLengthProperty.hashCode();
		long temp = result;
		//temp = Double.doubleToLongBits(edgeThicknessGain);
		result = prime * result + (int) (temp ^ (temp >>> 32));
		//temp = Double.doubleToLongBits(edgeThicknessBias);
		result = prime * result + (int) (temp ^ (temp >>> 32));
		temp = Double.doubleToLongBits(arrowLengthGain);
		result = prime * result + (int) (temp ^ (temp >>> 32));
		temp = Double.doubleToLongBits(arrowLengthBias);
		result = prime * result + (int) (temp ^ (temp >>> 32));

		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		DiagramSettings other = (DiagramSettings) obj;

		if (!arrowLengthProperty.equals(other.arrowLengthProperty))
			return false;
		if (Double.doubleToLongBits(arrowLengthGain) != Double.doubleToLongBits(other.arrowLengthGain))
			return false;
		if (Double.doubleToLongBits(arrowLengthBias) != Double.doubleToLongBits(other.arrowLengthBias))
			return false;

		return true;
	}

	@Override
	public String toString() {
		return String.format("DiagramSettings[%s * %f + %f]",
				arrowLengthProperty, arrowLengthGain, arrowLengthBias
				);
	}

}