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package zeroecho.pki.api.issuance;

import java.util.Optional;

import zeroecho.pki.api.PkiId;
import zeroecho.pki.api.Validity;
import zeroecho.pki.api.attr.AttributeSet;

/**
 * Command to renew an existing credential.
 *
 * <p>
 * Renewal typically retains continuity (same identity and key constraints)
 * under policy-defined semantics. The implementation decides what "renew" means
 * for a given framework and profile.
 * </p>
 *
 * @param existingCredentialId credential id to renew
 * @param validityOverride     optional validity override (policy-validated)
 * @param overrides            universal attribute overrides (policy-validated;
 *                             may be empty but not null)
 */
public record RenewCommand(PkiId existingCredentialId, Optional<Validity> validityOverride, AttributeSet overrides) {

    /**
     * Creates a renewal command.
     *
     * @throws IllegalArgumentException if inputs are invalid or optional container
     *                                  is null
     */
    public RenewCommand {
        if (existingCredentialId == null) {
            throw new IllegalArgumentException("existingCredentialId must not be null");
        }
        if (validityOverride == null) {
            throw new IllegalArgumentException("validityOverride must not be null");
        }
        if (overrides == null) {
            throw new IllegalArgumentException("overrides must not be null");
        }
    }
}
