package model;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

import javax.persistence.*;
import javax.validation.constraints.NotNull;

import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
/**
 * Created by Karol on 24.07.2016.
 */
@Entity(name = "users")
@Table(name = "users")
public class UserEntity extends AbstractEntity implements UserDetails {

    @NotNull
    private String username;

    @NotNull
    private String password;

    @ManyToMany(mappedBy = "users", fetch = FetchType.EAGER, cascade = CascadeType.ALL)
    private Set<RoleEntity> userRoleEntity = new HashSet<>();

    public UserEntity(String username, String password, Set<RoleEntity> userRoleEntity) {
        super();
        this.username = username;
        this.password = password;
        this.userRoleEntity = userRoleEntity;
    }

    public Set<RoleEntity> getUserRoleEntity() {
        return userRoleEntity;
    }

    public void setUserRoleEntity(Set<RoleEntity> userRoleEntity) {
        this.userRoleEntity = userRoleEntity;
    }

    public UserEntity() {
        super();
        // TODO Auto-generated constructor stub
    }

    public String getUsername() {
        return username;
    }

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

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    @Transient
    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {

        Collection<GrantedAuthority> authorities = new ArrayList<>();
        Set<RoleEntity> userRoleEntities = this.getUserRoleEntity();

        if (userRoleEntities != null) {
            for (RoleEntity roleEntity : userRoleEntities) {
                SimpleGrantedAuthority authority = new SimpleGrantedAuthority(roleEntity.getRoleName());
                authorities.add(authority);
            }
        }
        return authorities;
    }

    @Transient
    @Override
    public boolean isAccountNonExpired() {
        // TODO Auto-generated method stub
        return true;
    }

    @Transient
    @Override
    public boolean isAccountNonLocked() {
        // TODO Auto-generated method stub
        return true;
    }

    @Transient
    @Override
    public boolean isCredentialsNonExpired() {
        // TODO Auto-generated method stub
        return true;
    }

    @Transient
    @Override
    public boolean isEnabled() {
        // TODO Auto-generated method stub
        return true;
    }

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

        UserEntity that = (UserEntity) o;

        if (username != null ? !username.equals(that.username) : that.username != null) return false;
        return password != null ? password.equals(that.password) : that.password == null;

    }

    @Override
    public int hashCode() {
        int result = super.hashCode();
        result = 31 * result + (username != null ? username.hashCode() : 0);
        result = 31 * result + (password != null ? password.hashCode() : 0);
        return result;
    }
}