package de.ph87.tools.user;

import com.fasterxml.jackson.annotation.JsonIgnore;
import de.ph87.tools.session.AbstractSession;
import de.ph87.tools.web.IWebSocketMessage;
import lombok.Getter;
import lombok.NonNull;
import lombok.Setter;
import lombok.ToString;

import java.time.ZonedDateTime;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.UUID;

@Getter
@ToString
public class User implements IWebSocketMessage {

  @NonNull
  public final String privateUuid = UUID.randomUUID().toString();

  @NonNull
  public final String publicUuid = UUID.randomUUID().toString();

  public final ZonedDateTime created = ZonedDateTime.now();

  @JsonIgnore
  @ToString.Exclude
  private final Set<AbstractSession> sessions = new HashSet<>();

  private ZonedDateTime lastAccess = created;

  @Setter
  @NonNull
  public String name = "unnamed";

  private void touch() {
    lastAccess = ZonedDateTime.now();
  }

  public void join(@NonNull final AbstractSession session) {
    synchronized (privateUuid) {
      sessions.add(session);
      touch();
    }
  }

  public void leave(@NonNull final AbstractSession session) {
    synchronized (sessions) {
      sessions.remove(session);
    }
  }

  @Override
  public List<Object> getWebsocketTopic() {
    return List.of("User", privateUuid);
  }

}