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package io.rocketbase.commons.util;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.Getter;
import lombok.Setter;

import java.time.Instant;
import java.util.List;

@Setter
@JsonIgnoreProperties(ignoreUnknown = true)
public class JwtTokenBody {

    /**
     * token creation date
     */
    private Long iat;
    /**
     * expiration
     */
    private Long exp;
    /**
     * username
     */
    private String sub;

    @Getter
    @JsonProperty("user_id")
    private String userId;

    @Getter
    /**
     * roles
     */
    private List scopes;

    public boolean isExpired() {
        if (exp != null) {
            return getExpiration().isBefore(Instant.now());
        }
        return false;
    }

    public Instant getExpiration() {
        if (exp != null) {
            return Instant.ofEpochSecond(exp, 0);
        }
        return null;
    }

    public Instant getIssuedAt() {
        if (iat != null) {
            return Instant.ofEpochSecond(iat, 0);
        }
        return null;
    }

    public String getUsername() {
        return sub;
    }

    public boolean hasRole(String name) {
        return scopes != null && scopes.stream()
                .filter(s -> s.equalsIgnoreCase(name))
                .findFirst().isPresent();
    }
}