package de.ph87.tools.common.uuid;

import lombok.Getter;
import lombok.NonNull;

import java.util.UUID;

@Getter
public abstract class AbstractUuid {

  public final String uuid;

  @SuppressWarnings("unused") // used by lombok @NoArgsConstructor
  protected AbstractUuid() {
    this(UUID.randomUUID().toString());
  }

  protected AbstractUuid(@NonNull final String uuid) {
    if (uuid.length() != 36) {
      throw new RuntimeException();
    }
    this.uuid = uuid;
  }

  @Override
  public String toString() {
    return uuid;
  }

  @Override
  public boolean equals(final Object obj) {
    if (!this.getClass().equals(obj.getClass())) {
      return false;
    }
    return uuid.equals(this.getClass().cast(obj).uuid);
  }

  @Override
  public int hashCode() {
    return uuid.hashCode();
  }

}