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package cloud.prefab.client.config;

import cloud.prefab.domain.Prefab;
import com.google.common.base.MoreObjects;
import java.util.Optional;

public class EvaluatedCriterion {

  private final Prefab.Criterion criterion;
  private final Optional evaluatedProperty;

  private final boolean match;

  public EvaluatedCriterion(
    Prefab.Criterion criterion,
    String evaluatedProperty,
    boolean match
  ) {
    this(
      criterion,
      Prefab.ConfigValue.newBuilder().setString(evaluatedProperty).build(),
      match
    );
  }

  public EvaluatedCriterion(
    Prefab.Criterion criterion,
    Prefab.ConfigValue evaluatedProperty,
    boolean match
  ) {
    this.criterion = criterion;
    this.evaluatedProperty = Optional.of(evaluatedProperty);
    this.match = match;
  }

  public EvaluatedCriterion(
    Prefab.Criterion criterion,
    Optional evaluatedProperty,
    boolean match
  ) {
    this.criterion = criterion;
    this.evaluatedProperty = evaluatedProperty;
    this.match = match;
  }

  public EvaluatedCriterion(Prefab.Criterion criterion, boolean match) {
    this.criterion = criterion;
    this.evaluatedProperty = Optional.empty();
    this.match = match;
  }

  public Prefab.Criterion getCriterion() {
    return criterion;
  }

  public Optional getEvaluatedProperty() {
    return evaluatedProperty;
  }

  public boolean isMatch() {
    return match;
  }

  public EvaluatedCriterion negated() {
    return new EvaluatedCriterion(criterion, evaluatedProperty, !match);
  }

  @Override
  public String toString() {
    return MoreObjects
      .toStringHelper(this)
      .add("criterion", criterion)
      .add("evaluatedProperty", evaluatedProperty)
      .add("match", match)
      .toString();
  }
}