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package zeroecho.pki.api.ca;

import java.util.Optional;

import zeroecho.pki.api.FormatId;
import zeroecho.pki.api.KeyRef;
import zeroecho.pki.api.SubjectRef;
import zeroecho.pki.api.attr.AttributeSet;

/**
 * Command to create a new root CA entity and issue its initial CA credential.
 *
 * <p>
 * If {@code keyRef} is absent, the runtime may generate a new key pair
 * depending on policy and runtime wiring. This command carries universal
 * {@code attributes} used by policy and mapping.
 * </p>
 *
 * @param formatId   target credential format
 * @param subjectRef normalized CA subject reference
 * @param profileId  profile id governing issuance and mapping
 * @param keyRef     optional existing key reference; empty requests key
 *                   generation
 * @param attributes universal attributes (may be empty but not null)
 */
public record CaCreateCommand(FormatId formatId, SubjectRef subjectRef, String profileId, Optional<KeyRef> keyRef,
        AttributeSet attributes) {

    /**
     * Creates a CA create command.
     *
     * @throws IllegalArgumentException if inputs are invalid or optional container
     *                                  is null
     */
    public CaCreateCommand {
        if (formatId == null) {
            throw new IllegalArgumentException("formatId must not be null");
        }
        if (subjectRef == null) {
            throw new IllegalArgumentException("subjectRef must not be null");
        }
        if (profileId == null || profileId.isBlank()) {
            throw new IllegalArgumentException("profileId must not be null/blank");
        }
        if (keyRef == null) {
            throw new IllegalArgumentException("keyRef must not be null");
        }
        if (attributes == null) {
            throw new IllegalArgumentException("attributes must not be null");
        }
    }
}
