/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.tajo.algebra;

import com.google.common.base.Objects;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
import org.apache.commons.lang.StringUtils;

public class TimeValue implements Cloneable {
  @Expose @SerializedName("Hour")
  private String hours;
  @Expose @SerializedName("Minute")
  private String minutes;
  @Expose @SerializedName("Second")
  private String seconds;
  @Expose @SerializedName("SecondFrac")
  private String secondsFraction; // optional

  public TimeValue(String hours, String minutes, String seconds) {
    this.hours = hours;
    this.minutes = minutes;
    this.seconds = seconds;
  }

  public String getHours() {
    return hours;
  }

  public String getMinutes() {
    return minutes;
  }

  public String getSeconds() {
    return seconds;
  }

  public boolean hasSecondsFraction() {
    return secondsFraction != null;
  }

  public void setSecondsFraction(String secondsFraction) {
    this.secondsFraction = StringUtils.rightPad(secondsFraction, 3, '0');
  }

  public String getSecondsFraction() {
    return secondsFraction;
  }

  public boolean equals(Object object) {
    if (object instanceof TimeValue) {
      TimeValue another = (TimeValue) object;
      return hours.equals(another.hours) && minutes.equals(another.minutes) && seconds.equals(another.seconds);
    }
    return false;
  }

  public String toString() {
    if (hasSecondsFraction()) {
      return String.format("%s:%s:%s.%s", hours, minutes, seconds, secondsFraction);
    } else {
      return String.format("%s:%s:%s", hours, minutes, seconds);
    }
  }

  public int hashCode() {
    return Objects.hashCode(hours, minutes, seconds);
  }

  @Override
  public Object clone() throws CloneNotSupportedException {
    TimeValue timeValue = (TimeValue) super.clone();
    timeValue.hours = hours;
    timeValue.minutes = minutes;
    timeValue.seconds = seconds;
    timeValue.secondsFraction = secondsFraction;
    return timeValue;
  }
}