/*
 * UserRole.java
 *
 * Created on 31 de Janeiro de 2007, 15:11
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package org.msh.etbm.db.entities;


import javax.persistence.Column;
import javax.persistence.Id;
import javax.validation.constraints.NotNull;

/**
 * Store information about a user role
 *
 * @author Ricardo Memoria
 */

//@Entity
//@Table(name = "userrole")
public class UserRole {

    @Id
    private Integer id;

    @Column(length = 80)
    @NotNull
    private String name;

    @Column(length = 50)
    private String code;

    /**
     * Indicate if this role contains operations of read-write, like, for instance, insert-update-delete commands
     */
    private boolean changeable;


    /**
     * Return the parent code of the user role
     *
     * @return
     */
    public String getParentCode() {
        int level = getLevel();
        switch (level) {
            case 2:
                return code.substring(0, 2).concat("0000");
            case 3:
                return code.substring(0, 4).concat("00");
            default:
                return null;
        }
    }


    /**
     * Check if user role is a child of the given role
     *
     * @param role
     * @return
     */
    public boolean isChildOf(UserRole role) {
        int parentLevel = role.getLevel();
        if ((parentLevel >= getLevel()) || (parentLevel == 0)) {
            return false;
        }

        String parentCode = role.getCode().substring(0, parentLevel * 2);
        return code.startsWith(parentCode);
    }


    /**
     * Return the level of the user role
     *
     * @return
     */
    public int getLevel() {
        if ((code == null) || (code.isEmpty())) {
            return 0;
        }

        if (code.endsWith("0000")) {
            return 1;
        }

        if (code.endsWith("00")) {
            return 2;
        }

        return code.length() == 6 ? 3 : 0;
    }


    public Integer getId() {
        return id;
    }

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

    public String getName() {
        return name;
    }

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

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public int compareTo(UserRole userRole) {
        return code.compareTo(userRole.getCode());
    }

    /**
     * @return the changeable
     */
    public boolean isChangeable() {
        return changeable;
    }

    /**
     * @param changeable the changeable to set
     */
    public void setChangeable(boolean changeable) {
        this.changeable = changeable;
    }

}