package <%= packageName %>.entity;

import jakarta.persistence.*;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;

@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
@EqualsAndHashCode(callSuper = false)
@Entity
@Table(name = "users")
public class User extends AbstractAuditingEntity implements UserDetails {

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

    @Column(nullable = false)
    private String firstName;

    @Column(nullable = false)
    private String lastName;

    @Column(unique = true, nullable = false)
    private String email;

    @Column(nullable = false)
    private String password;

    private String bio;

    private String avatarUrl;

    @Builder.Default
    @ElementCollection(fetch = FetchType.EAGER)
    @CollectionTable(name = "user_roles", joinColumns = @JoinColumn(name = "user_id"))
    @Enumerated(EnumType.STRING)
    @Column(name = "role_name")
    private Set<Role> roles = new HashSet<>(Set.of(Role.ROLE_USER));

    // --- UserDetails ---

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        return roles.stream()
                .map(role -> new SimpleGrantedAuthority(role.name()))
                .collect(Collectors.toSet());
    }

    @Override
    public String getUsername() {
        return email;
    }

    @Override
    public boolean isAccountNonExpired()     { return true; }

    @Override
    public boolean isAccountNonLocked()      { return true; }

    @Override
    public boolean isCredentialsNonExpired() { return true; }

    @Override
    public boolean isEnabled()               { return true; }

    public boolean isAdmin() {
        return roles != null && roles.contains(Role.ROLE_ADMIN);
    }
}