import { defineComponent, h } from 'vue';

import useSpinner, { spinnerProps } from '../utils/use-spinner.js';

const svg = [
	h(
		'g',
		{
			fill: 'none',
			'fill-rule': 'evenodd',
			transform: 'translate(1 1)',
			'stroke-width': '2',
		},
		[
			h(
				'circle',
				{
					cx: '22',
					cy: '22',
					r: '6',
				},
				[
					h('animate', {
						attributeName: 'r',
						begin: '1.5s',
						dur: '3s',
						values: '6;22',
						calcMode: 'linear',
						repeatCount: 'indefinite',
					}),
					h('animate', {
						attributeName: 'stroke-opacity',
						begin: '1.5s',
						dur: '3s',
						values: '1;0',
						calcMode: 'linear',
						repeatCount: 'indefinite',
					}),
					h('animate', {
						attributeName: 'stroke-width',
						begin: '1.5s',
						dur: '3s',
						values: '2;0',
						calcMode: 'linear',
						repeatCount: 'indefinite',
					}),
				]
			),
			h(
				'circle',
				{
					cx: '22',
					cy: '22',
					r: '6',
				},
				[
					h('animate', {
						attributeName: 'r',
						begin: '3s',
						dur: '3s',
						values: '6;22',
						calcMode: 'linear',
						repeatCount: 'indefinite',
					}),
					h('animate', {
						attributeName: 'stroke-opacity',
						begin: '3s',
						dur: '3s',
						values: '1;0',
						calcMode: 'linear',
						repeatCount: 'indefinite',
					}),
					h('animate', {
						attributeName: 'stroke-width',
						begin: '3s',
						dur: '3s',
						values: '2;0',
						calcMode: 'linear',
						repeatCount: 'indefinite',
					}),
				]
			),
			h(
				'circle',
				{
					cx: '22',
					cy: '22',
					r: '8',
				},
				[
					h('animate', {
						attributeName: 'r',
						begin: '0s',
						dur: '1.5s',
						values: '6;1;2;3;4;5;6',
						calcMode: 'linear',
						repeatCount: 'indefinite',
					}),
				]
			),
		]
	),
];

export default defineComponent({
	name: 'VueSpinnerRings',

	props: spinnerProps,

	setup(props) {
		const { cSize, classes, style } = useSpinner(props);

		return () =>
			h(
				'svg',
				{
					style: style.value,
					class: classes.value,
					stroke: 'currentColor',
					width: cSize.value,
					height: cSize.value,
					viewBox: '0 0 45 45',
					xmlns: 'http://www.w3.org/2000/svg',
				},
				svg
			);
	},
});