package org.baeldung.persistence.model;

import io.katharsis.resource.annotations.JsonApiId;
import io.katharsis.resource.annotations.JsonApiRelation;
import io.katharsis.resource.annotations.JsonApiResource;
import io.katharsis.resource.annotations.SerializeType;

import java.util.Set;

import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;

@Entity
@JsonApiResource(type = "users")
public class User {

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @JsonApiId
    private Long id;

    private String username;

    private String email;

    @ManyToMany(fetch = FetchType.EAGER)
    @JoinTable(name = "users_roles", joinColumns = @JoinColumn(name = "user_id", referencedColumnName = "id"), inverseJoinColumns = @JoinColumn(name = "role_id", referencedColumnName = "id"))
    @JsonApiRelation(serialize=SerializeType.EAGER)
    private Set<Role> roles;

    public User() {
        super();
    }

    public User(String username, String email) {
        super();
        this.username = username;
        this.email = email;
    }

    public Long getId() {
        return id;
    }

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

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(final String email) {
        this.email = email;
    }

    public Set<Role> getRoles() {
        return roles;
    }

    public void setRoles(Set<Role> roles) {
        this.roles = roles;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + (email == null ? 0 : email.hashCode());
        return result;
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final User user = (User) obj;
        if (!email.equals(user.email)) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        final StringBuilder builder = new StringBuilder();
        builder.append("User [id=").append(id).append(", username=").append(username).append(", email=").append(email).append(", roles=").append(roles).append("]");
        return builder.toString();
    }

}