import { defineComponent, h } from 'vue';

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

const svg = [
	h(
		'circle',
		{
			cx: '12.5',
			cy: '12.5',
			r: '12.5',
		},
		[
			h('animate', {
				attributeName: 'fill-opacity',
				begin: '0s',
				dur: '1s',
				values: '1;.2;1',
				calcMode: 'linear',
				repeatCount: 'indefinite',
			}),
		]
	),
	h(
		'circle',
		{
			cx: '12.5',
			cy: '52.5',
			r: '12.5',
			'fill-opacity': '.5',
		},
		[
			h('animate', {
				attributeName: 'fill-opacity',
				begin: '100ms',
				dur: '1s',
				values: '1;.2;1',
				calcMode: 'linear',
				repeatCount: 'indefinite',
			}),
		]
	),
	h(
		'circle',
		{
			cx: '52.5',
			cy: '12.5',
			r: '12.5',
		},
		[
			h('animate', {
				attributeName: 'fill-opacity',
				begin: '300ms',
				dur: '1s',
				values: '1;.2;1',
				calcMode: 'linear',
				repeatCount: 'indefinite',
			}),
		]
	),
	h(
		'circle',
		{
			cx: '52.5',
			cy: '52.5',
			r: '12.5',
		},
		[
			h('animate', {
				attributeName: 'fill-opacity',
				begin: '600ms',
				dur: '1s',
				values: '1;.2;1',
				calcMode: 'linear',
				repeatCount: 'indefinite',
			}),
		]
	),
	h(
		'circle',
		{
			cx: '92.5',
			cy: '12.5',
			r: '12.5',
		},
		[
			h('animate', {
				attributeName: 'fill-opacity',
				begin: '800ms',
				dur: '1s',
				values: '1;.2;1',
				calcMode: 'linear',
				repeatCount: 'indefinite',
			}),
		]
	),
	h(
		'circle',
		{
			cx: '92.5',
			cy: '52.5',
			r: '12.5',
		},
		[
			h('animate', {
				attributeName: 'fill-opacity',
				begin: '400ms',
				dur: '1s',
				values: '1;.2;1',
				calcMode: 'linear',
				repeatCount: 'indefinite',
			}),
		]
	),
	h(
		'circle',
		{
			cx: '12.5',
			cy: '92.5',
			r: '12.5',
		},
		[
			h('animate', {
				attributeName: 'fill-opacity',
				begin: '700ms',
				dur: '1s',
				values: '1;.2;1',
				calcMode: 'linear',
				repeatCount: 'indefinite',
			}),
		]
	),
	h(
		'circle',
		{
			cx: '52.5',
			cy: '92.5',
			r: '12.5',
		},
		[
			h('animate', {
				attributeName: 'fill-opacity',
				begin: '500ms',
				dur: '1s',
				values: '1;.2;1',
				calcMode: 'linear',
				repeatCount: 'indefinite',
			}),
		]
	),
	h(
		'circle',
		{
			cx: '92.5',
			cy: '92.5',
			r: '12.5',
		},
		[
			h('animate', {
				attributeName: 'fill-opacity',
				begin: '200ms',
				dur: '1s',
				values: '1;.2;1',
				calcMode: 'linear',
				repeatCount: 'indefinite',
			}),
		]
	),
];

export default defineComponent({
	name: 'VueSpinnerGrid',

	props: spinnerProps,

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

		return () =>
			h(
				'svg',
				{
					style: style.value,
					class: classes.value,
					fill: 'currentColor',
					width: cSize.value,
					height: cSize.value,
					viewBox: '0 0 105 105',
					xmlns: 'http://www.w3.org/2000/svg',
				},
				svg
			);
	},
});