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/*
 * Copyright 2017-2019, Strimzi authors.
 * License: Apache License 2.0 (see the file LICENSE or http://apache.org/licenses/LICENSE-2.0.html).
 */
package io.strimzi.kafka.oauth.common;

import org.keycloak.representations.AccessToken;

import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

public class TokenInfo {

    private String token;
    private Set scopes = new HashSet<>();
    private long expiresAt;
    private String principal;
    private long issuedAt;
    private AccessToken payload;

    public TokenInfo(AccessToken payload, String token, String principal) {
        this(token,
                payload.getScope(),
                principal,
                payload.getIat() == null ? 0 : payload.getIat() * 1000L,
                payload.getExp() == null ? 0 : payload.getExp() * 1000L);
        this.payload = payload;
    }

    public TokenInfo(String token, String scope, String principal, long issuedAtMs, long expiresAtMs) {
        this.token = token;
        this.principal = principal;
        this.issuedAt = issuedAtMs;
        this.expiresAt = expiresAtMs;

        String[] parsedScopes = scope != null ? scope.split(" ") : new String[0];
        for (String s: parsedScopes) {
            scopes.add(s);
        }
        scopes = Collections.unmodifiableSet(scopes);
    }

    public String token() {
        return token;
    }

    public Set scope() {
        return scopes;
    }

    public long expiresAtMs() {
        return expiresAt;
    }

    public String principal() {
        return principal;
    }

    public long issuedAtMs() {
        return issuedAt;
    }

    public AccessToken payload() {
        return payload;
    }
}