/**
 * Copyright © Volker Schukai and all contributing authors, 2026. All rights reserved.
 * Node module: @schukai/monster
 *
 * This source code is licensed under the GNU Affero General Public License version 3 (AGPLv3).
 * The full text of the license can be found at: https://www.gnu.org/licenses/agpl-3.0.en.html
 *
 * For those who do not wish to adhere to the AGPLv3, a commercial license is available.
 * Acquiring a commercial license allows you to use this software without complying with the AGPLv3 terms.
 * For more information about purchasing a commercial license, please contact Volker Schukai.
 */

import { addAttributeToken } from "../../dom/attributes.mjs";
import { ATTRIBUTE_ERRORMESSAGE } from "../../dom/constants.mjs";

export { SpinnerStyleSheet };

/**
 * @private
 * @type {CSSStyleSheet}
 */
const SpinnerStyleSheet = new CSSStyleSheet();

try {
	SpinnerStyleSheet.insertRule(
		`
@layer spinner {
.monster-spinner{-webkit-mask:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' stroke='red' viewBox='0 0 44 44'%3E%3Cg fill='none' fill-rule='evenodd' stroke-width='2'%3E%3Ccircle cx='22' cy='22' r='1'%3E%3Canimate attributeName='r' begin='0s' calcMode='spline' dur='1.8s' keySplines='0.165, 0.84, 0.44, 1' keyTimes='0; 1' repeatCount='indefinite' values='1; 20'/%3E%3Canimate attributeName='stroke-opacity' begin='0s' calcMode='spline' dur='1.8s' keySplines='0.3, 0.61, 0.355, 1' keyTimes='0; 1' repeatCount='indefinite' values='1; 0'/%3E%3C/circle%3E%3Ccircle cx='22' cy='22' r='1'%3E%3Canimate attributeName='r' begin='-0.9s' calcMode='spline' dur='1.8s' keySplines='0.165, 0.84, 0.44, 1' keyTimes='0; 1' repeatCount='indefinite' values='1; 20'/%3E%3Canimate attributeName='stroke-opacity' begin='-0.9s' calcMode='spline' dur='1.8s' keySplines='0.3, 0.61, 0.355, 1' keyTimes='0; 1' repeatCount='indefinite' values='1; 0'/%3E%3C/circle%3E%3C/g%3E%3C/svg%3E\") no-repeat 50% 50%;mask:url(\"data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' stroke='red' viewBox='0 0 44 44'%3E%3Cg fill='none' fill-rule='evenodd' stroke-width='2'%3E%3Ccircle cx='22' cy='22' r='1'%3E%3Canimate attributeName='r' begin='0s' calcMode='spline' dur='1.8s' keySplines='0.165, 0.84, 0.44, 1' keyTimes='0; 1' repeatCount='indefinite' values='1; 20'/%3E%3Canimate attributeName='stroke-opacity' begin='0s' calcMode='spline' dur='1.8s' keySplines='0.3, 0.61, 0.355, 1' keyTimes='0; 1' repeatCount='indefinite' values='1; 0'/%3E%3C/circle%3E%3Ccircle cx='22' cy='22' r='1'%3E%3Canimate attributeName='r' begin='-0.9s' calcMode='spline' dur='1.8s' keySplines='0.165, 0.84, 0.44, 1' keyTimes='0; 1' repeatCount='indefinite' values='1; 20'/%3E%3Canimate attributeName='stroke-opacity' begin='-0.9s' calcMode='spline' dur='1.8s' keySplines='0.3, 0.61, 0.355, 1' keyTimes='0; 1' repeatCount='indefinite' values='1; 0'/%3E%3C/circle%3E%3C/g%3E%3C/svg%3E\") no-repeat 50% 50%;height:100%}
}`,
		0,
	);
} catch (e) {
	addAttributeToken(
		document.getRootNode().querySelector("html"),
		ATTRIBUTE_ERRORMESSAGE,
		e + "",
	);
}
