/*-
 * ============LICENSE_START=======================================================
 * ONAP-REST
 * ================================================================================
 * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
 * Modifications Copyright (C) 2019 Nordix Foundation.
 * ================================================================================
 * Licensed 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.rest.jpa;

import java.io.Serializable;
import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.Setter;

/**
 * The Class PolicyVersion.
 */
// @formatter:off
@Entity
@Table(name = "PolicyVersion")
@NamedQueries(
    {
        @NamedQuery(
            name = "PolicyVersion.findAll", query = "SELECT p FROM PolicyVersion p"
        ),
        @NamedQuery(
            name = "PolicyVersion.deleteAll", query = "DELETE FROM PolicyVersion WHERE 1=1"
        ),
        @NamedQuery(
            name = "PolicyVersion.findByPolicyName", query = "Select p from PolicyVersion p where p.policyName=:pname"
        ),
        @NamedQuery(
            name = "PolicyVersion.findAllCount", query = "SELECT COUNT(p) FROM PolicyVersion p"
        )
    }
)
@Getter
@Setter
@EqualsAndHashCode
// @formatter:on
public class PolicyVersion implements Serializable {
    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)

    @Column(name = "id")
    private int id;

    @Column(name = "POLICY_NAME", nullable = false, length = 255)
    private String policyName;

    @Column(name = "ACTIVE_VERSION")
    private int activeVersion;

    @Column(name = "HIGHEST_VERSION")
    private int higherVersion;

    @Temporal(TemporalType.TIMESTAMP)
    @Column(name = "created_date", nullable = false)
    private Date createdDate;

    @Column(name = "CREATED_BY", nullable = false, length = 45)
    private String createdBy;

    @Temporal(TemporalType.TIMESTAMP)
    @Column(name = "modified_date", nullable = false)
    private Date modifiedDate;

    @Column(name = "modified_by", nullable = false, length = 45)
    private String modifiedBy;

    /**
     * Instantiates a new policy version.
     */
    public PolicyVersion() {
        this.modifiedDate = new Date();
        this.createdDate = new Date();
    }

    /**
     * Instantiates a new policy version.
     *
     * @param domain the domain
     * @param loginUserId the login user id
     */
    public PolicyVersion(String domain, String loginUserId) {
        this(domain);
        this.createdBy = loginUserId;
        this.modifiedBy = loginUserId;
    }

    /**
     * Instantiates a new policy version.
     *
     * @param domain the domain
     */
    public PolicyVersion(String domain) {
        this.policyName = domain;
    }

    /**
     * Pre persist.
     */
    @PrePersist
    public void prePersist() {
        Date date = new Date();
        this.createdDate = date;
        this.modifiedDate = date;
    }

    /**
     * Pre update.
     */
    @PreUpdate
    public void preUpdate() {
        this.modifiedDate = new Date();
    }
}