/*
 * Copyright 2012 Nodeable Inc
 *
 *    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.
 */

package com.streamreduce.core.model;

import com.google.code.morphia.annotations.Entity;
import com.google.code.morphia.annotations.Indexed;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;

import org.hibernate.validator.constraints.NotEmpty;


/**
 * Model object that represents a security role.
 */
@Entity(value = "roles", noClassnameStored = true)
public class Role extends ObjectWithId {

    private static final long serialVersionUID = -1187250966502639721L;
    @Indexed(unique = true)
    @NotEmpty
    private String name;
    @Size(max = 256)
    private String description;
    @NotNull
    private Set<String> permissions = new HashSet<>();

    protected Role() {
    }

    public Role(String name) {
        this.name = name;
    }

    public Role(String name, String description) {
        this.name = name;
        this.description = description;
    }

    public Role(String name, String description, Set<String> permissions) {
        this.name = name;
        this.description = description;
        this.permissions = permissions;
    }

    public String getName() {
        return name;
    }

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

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public Set<String> getPermissions() {
        return permissions;
    }

    public void setPermissions(Set<String> permissions) {
        this.permissions = permissions;
    }

    public void addPermissions(String... permission) {
        Set<String> set = new HashSet<>();
        set.addAll(Arrays.asList(permission));
        this.permissions = set;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Role role = (Role) o;

        if (name != null ? !name.equals(role.name) : role.name != null) return false;

        return true;
    }

    @Override
    public int hashCode() {
        return name != null ? name.hashCode() : 0;
    }
}