domain - User

package domain;

import exception.BioException;
import exception.UserException;

import javax.persistence.*;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

/**
 * The type User.
 */
@Entity
@NamedQueries({
        @NamedQuery(name="User.getByUsername",
                query="SELECT User FROM User WHERE username LIKE :username "),
})
public class User implements Serializable {

    @Id
    @GeneratedValue
    private Long id;

    @Column
    private String nickname;

    @Column(unique=true)
    private String username;

    @Column
    private String password;

    @Column
    private String email;

    @Column
    private String bio;

    @Column
    private String website;

    @Column
    private String location;

    @ManyToMany
    //@JoinTable(name = "follower")
    private List<User> follower;

    @ManyToMany
    //@JoinTable(name = "following")
    private List<User> following;

    @OneToMany
    private List<Kweet> kweets;

    private int boiLimit = 160;

    /**
     * Instantiates a new User.
     *
     * @param nickname the nickname
     * @param username the username
     * @param password the password
     * @param email    the email
     */
    public User(String nickname, String username, String password, String email) throws UserException {
        setNickname(nickname);
        setUsername(username);
        setPassword(password);
        setEmail(email);
        follower = new ArrayList<>();
        following = new ArrayList<>();
        kweets = new ArrayList<>();
    }

    public User() {}


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

    /**
     * Gets id.
     *
     * @return the id
     */
    public Long getId() {
        return id;
    }


    /**
     * Gets nickname.
     *
     * @return the nickname
     */
    public String getNickname() {
        return nickname;
    }

    /**
     * Sets nickname.
     *
     * @param nickname the nickname
     */
    public void setNickname(String nickname) throws UserException {
        int len = nickname.length();
        if (nickname.length() > 1) {
            this.nickname = nickname;
        } else {
            throw new UserException("Nickname can not be a length of 0");
        }
    }

    /**
     * Gets username.
     *
     * @return the username
     */
    public String getUsername() {
        return username;
    }

    /**
     * Sets username.
     *
     * @param username the username
     */
    public void setUsername(String username) throws UserException {
        if (username.length() > 1) {
            this.username = username;
        } else {
            throw new UserException("Username can not be a length of 0");
        }
    }

    /**
     * Gets password.
     *
     * @return the password
     */
    public String getPassword() {
        return password;
    }

    /**
     * Sets password.
     *
     * @param password the password
     */
    public void setPassword(String password) throws UserException {
        if (password.length() > 1) {
            this.password = password;
        } else {
            throw new UserException("Password can not be a length of 0");
        }
    }

    /**
     * Gets email.
     *
     * @return the email
     */
    public String getEmail() {
        return email;
    }

    /**
     * Sets email.
     *
     * @param email the email
     */
    public void setEmail(String email) throws UserException {
        if (isValidEmailAddress(email)) {
            this.email = email;
        } else {
            throw new UserException("Email is not valid");
        }
    }

    /**
     * Gets bio.
     *
     * @return the bio
     */
    public String getBio() {
        return bio;
    }

    /**
     * Sets bio.
     *
     * @param bio the bio
     */
    public void setBio(String bio) throws BioException {
        if (bio.length() > this.boiLimit) {
            throw new BioException("Biography is to long, it can not be longer than: " + this.boiLimit);
        } else {
            this.bio = bio;
        }
    }

    /**
     * Gets website.
     *
     * @return the website
     */
    public String getWebsite() {
        return website;
    }

    /**
     * Sets website.
     *
     * @param website the website
     */
    public void setWebsite(String website) {
        this.website = website;
    }

    /**
     * Gets location.
     *
     * @return the location
     */
    public String getLocation() {
        return location;
    }

    /**
     * Sets location.
     *
     * @param location the location
     */
    public void setLocation(String location) {
        this.location = location;
    }

    /**
     * Gets follower.
     *
     * @return the follower
     */
    public List<User> getFollower() {
        return follower;
    }

    /**
     * Add follower.
     *
     * @param user the user
     */
    public void addFollower(User user) {
        this.follower.add(user);
    }

    /**
     * Remove follower.
     *
     * @param user the user
     */
    public void removeFollower(User user) {
        this.follower.remove(user);
    }

    /**
     * Gets following.
     *
     * @return the following
     */
    public List<User> getFollowing() {
        return following;
    }

    /**
     * Add following.
     *
     * @param user the user
     */
    public void addFollowing(User user) {
        this.following.add(user);
    }

    /**
     * Remove following.
     *
     * @param user the user
     */
    public void removeFollowing(User user) {
        this.following.remove(user);
    }

    /**
     * Add kweet.
     *
     * @param kweet the kweet
     */
    public void addKweet(Kweet kweet) {
        this.kweets.add(kweet);
    }

    /**
     * Add kweet.
     *
     * @param kweet the kweet
     */
    public boolean removeKweet(Kweet kweet) {
        return this.kweets.remove(kweet);
    }

    /**
     * Gets kweets.
     *
     * @return the kweets
     */
    public List<Kweet> getKweets() {
        return kweets;
    }

    public boolean isValidEmailAddress(String email) {
        String ePattern = "^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1," +
                "3}\\])|(([a-zA-Z\\-0-9]+\\.)+[a-zA-Z]{2,}))$";
        java.util.regex.Pattern p = java.util.regex.Pattern.compile(ePattern);
        java.util.regex.Matcher m = p.matcher(email);
        return m.matches();
    }

}