/*******************************************************************************
 * Copyright (C) 2026, Leo Galambos
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 * are permitted provided that the following conditions are met:
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 * 1. Redistributions of source code must retain the above copyright notice, this
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 *    This product includes software developed by the Egothor project.
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package zeroecho.pki.api;

/**
 * Base runtime exception for PKI domain failures.
 *
 * <p>
 * This exception is used to report policy violations, storage failures,
 * framework backend errors, and other domain-level problems not representable
 * as {@link IllegalArgumentException}.
 * </p>
 *
 * <p>
 * Security note: exception messages must not contain secrets (private keys,
 * plaintext, shared secrets, or other sensitive cryptographic material).
 * </p>
 */
public class PkiException extends RuntimeException {

    private static final long serialVersionUID = 759504279718537161L;

    /**
     * Creates a PKI exception with a message.
     *
     * @param message non-empty message describing the failure in a non-sensitive
     *                manner
     */
    public PkiException(String message) {
        super(requireNonBlank(message, "message"));
    }

    /**
     * Creates a PKI exception with a message and cause.
     *
     * @param message non-empty message describing the failure in a non-sensitive
     *                manner
     * @param cause   underlying cause
     */
    public PkiException(String message, Throwable cause) {
        super(requireNonBlank(message, "message"), cause);
    }

    private static String requireNonBlank(String value, String name) {
        if (value == null || value.isBlank()) {
            throw new IllegalArgumentException(name + " must not be null/blank");
        }
        return value;
    }
}
