/*
 * This file is part of Dependency-Track.
 *
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * Copyright (c) Steve Springett. All Rights Reserved.
 */
package org.dependencytrack.model;

import alpine.common.validation.RegexSequence;
import alpine.server.json.TrimmedStringDeserializer;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;

import javax.jdo.annotations.Column;
import javax.jdo.annotations.Extension;
import javax.jdo.annotations.IdGeneratorStrategy;
import javax.jdo.annotations.Order;
import javax.jdo.annotations.PersistenceCapable;
import javax.jdo.annotations.Persistent;
import javax.jdo.annotations.PrimaryKey;
import javax.validation.constraints.NotBlank;
import javax.validation.constraints.Pattern;
import javax.validation.constraints.Size;
import java.io.Serializable;
import java.util.List;
import java.util.Objects;

/**
 * Model for assigning tags to specific objects.
 *
 * @author Steve Springett
 * @since 3.0.0
 */
@PersistenceCapable
@JsonInclude(JsonInclude.Include.NON_NULL)
public class Tag implements Serializable {

    private static final long serialVersionUID = -7798359808664731988L;

    @PrimaryKey
    @Persistent(valueStrategy = IdGeneratorStrategy.NATIVE)
    @JsonIgnore
    private long id;

    @Persistent
    @Column(name = "NAME", allowsNull = "false")
    @NotBlank
    @Size(min = 1, max = 255)
    @JsonDeserialize(using = TrimmedStringDeserializer.class)
    @Pattern(regexp = RegexSequence.Definition.PRINTABLE_CHARS, message = "The name may only contain printable characters")
    private String name;

    @Persistent
    @JsonIgnore
    @Order(extensions = @Extension(vendorName = "datanucleus", key = "list-ordering", value = "name ASC"))
    private List<Project> projects;

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public List<Project> getProjects() {
        return projects;
    }

    public void setProjects(List<Project> projects) {
        this.projects = projects;
    }

    @Override
    public boolean equals(Object object) {
        if (object instanceof Tag) {
            return this.id == ((Tag) object).id;
        }
        return false;
    }

    @Override
    public int hashCode() {
        return Objects.hash(id);
    }
}
