Copyright 2015 Red Hat, Inc.

All rights reserved. This program and the accompanying materials
are made available under the terms of the Eclipse Public License v1.0
and Apache License v2.0 which accompanies this distribution.

The Eclipse Public License is available at
http://www.eclipse.org/legal/epl-v10.html

The Apache License v2.0 is available at
http://www.opensource.org/licenses/apache2.0.php

You may elect to redistribute this code under either of these licenses.
/**
 * Copyright 2015 Red Hat, Inc.
 * <p>
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Apache License v2.0 which accompanies this distribution.
 * <p>
 * The Eclipse Public License is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * <p>
 * The Apache License v2.0 is available at
 * http://www.opensource.org/licenses/apache2.0.php
 * <p>
 * You may elect to redistribute this code under either of these licenses.
 */
package io.vertx.redis.op;

import io.vertx.codegen.annotations.DataObject;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.JsonObject;

Author:
Marko Strukelj/**
 * @author <a href="mailto:marko.strukelj@gmail.com">Marko Strukelj</a>
 */
@DataObject
public class SetOptions {

  public static final SetOptions NONE = new SetOptions();

  private Long ex;
  private Long px;
  private Boolean nx;
  private Boolean xx;

  public SetOptions() {
  }

  public SetOptions(SetOptions obj) {
    this.ex = obj.ex;
    this.px = obj.px;
    this.nx = obj.nx;
    this.xx = obj.xx;
  }

  public SetOptions(JsonObject json) {
    Long lval = json.getLong("ex");
    if (lval != null) {
      ex = lval;
    }
    lval = json.getLong("px");
    if (lval != null) {
      px = lval;
    }
    Boolean bval = json.getBoolean("nx");
    if (bval != null) {
      nx = bval;
    }
    bval = json.getBoolean("xx");
    if (bval != null) {
      xx = bval;
    }
  }

  public JsonObject toJson() {
    JsonObject json = new JsonObject();
    if (ex != null) {
      json.put("ex", ex);
    }
    if (px != null) {
      json.put("px", px);
    }
    if (nx != null && nx) {
      json.put("nx", nx);
    }
    if (xx != null && xx) {
      json.put("xx", xx);
    }
    return json;
  }

  public SetOptions setEX(long seconds) {
    if (px != null) {
      throw new IllegalStateException("PX is already set - can't have both");
    }
    ex = seconds;
    return this;
  }

  public SetOptions setPX(long millis) {
    if (ex != null) {
      throw new IllegalStateException("EX is already set - can't have both");
    }
    px = millis;
    return this;
  }

  public SetOptions setNX(boolean unlessExists) {
    if (!unlessExists) {
      nx = null;
    }
    if (xx != null && xx) {
      throw new IllegalStateException("XX is already set - can't have both");
    }

    nx = unlessExists;
    return this;
  }

  public SetOptions setXX(boolean onlyIfExists) {
    if (!onlyIfExists) {
      xx = null;
    }
    if (nx != null && nx) {
      throw new IllegalStateException("NX is already set - can't have both");
    }
    xx = onlyIfExists;
    return this;
  }

  public JsonArray toJsonArray() {
    JsonArray result = new JsonArray();
    if (ex != null) {
      result.add("EX").add(ex);
    }
    if (px != null) {
      result.add("PX").add(px);
    }
    if (nx != null && nx) {
      result.add("NX");
    }
    if (xx != null && xx) {
      result.add("XX");
    }
    return result;
  }
}