import { defineComponent, h } from 'vue';

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

const svg = [
	h('rect', {
		x: '0',
		y: '0',
		width: '100',
		height: '100',
		fill: 'none',
	}),
	h(
		'g',
		{
			transform: 'translate(25 25)',
		},
		[
			h(
				'rect',
				{
					x: '-20',
					y: '-20',
					width: '40',
					height: '40',
					fill: 'currentColor',
					opacity: '0.9',
				},
				[
					h('animateTransform', {
						attributeName: 'transform',
						type: 'scale',
						from: '1.5',
						to: '1',
						repeatCount: 'indefinite',
						begin: '0s',
						dur: '1s',
						calcMode: 'spline',
						keySplines: '0.2 0.8 0.2 0.8',
						keyTimes: '0;1',
					}),
				]
			),
		]
	),
	h(
		'g',
		{
			transform: 'translate(75 25)',
		},
		[
			h(
				'rect',
				{
					x: '-20',
					y: '-20',
					width: '40',
					height: '40',
					fill: 'currentColor',
					opacity: '0.8',
				},
				[
					h('animateTransform', {
						attributeName: 'transform',
						type: 'scale',
						from: '1.5',
						to: '1',
						repeatCount: 'indefinite',
						begin: '0.1s',
						dur: '1s',
						calcMode: 'spline',
						keySplines: '0.2 0.8 0.2 0.8',
						keyTimes: '0;1',
					}),
				]
			),
		]
	),
	h(
		'g',
		{
			transform: 'translate(25 75)',
		},
		[
			h(
				'rect',
				{
					x: '-20',
					y: '-20',
					width: '40',
					height: '40',
					fill: 'currentColor',
					opacity: '0.7',
				},
				[
					h('animateTransform', {
						attributeName: 'transform',
						type: 'scale',
						from: '1.5',
						to: '1',
						repeatCount: 'indefinite',
						begin: '0.3s',
						dur: '1s',
						calcMode: 'spline',
						keySplines: '0.2 0.8 0.2 0.8',
						keyTimes: '0;1',
					}),
				]
			),
		]
	),
	h(
		'g',
		{
			transform: 'translate(75 75)',
		},
		[
			h(
				'rect',
				{
					x: '-20',
					y: '-20',
					width: '40',
					height: '40',
					fill: 'currentColor',
					opacity: '0.6',
				},
				[
					h('animateTransform', {
						attributeName: 'transform',
						type: 'scale',
						from: '1.5',
						to: '1',
						repeatCount: 'indefinite',
						begin: '0.2s',
						dur: '1s',
						calcMode: 'spline',
						keySplines: '0.2 0.8 0.2 0.8',
						keyTimes: '0;1',
					}),
				]
			),
		]
	),
];

export default defineComponent({
	name: 'VueSpinnerCube',

	props: spinnerProps,

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

		return () =>
			h(
				'svg',
				{
					style: style.value,
					class: classes.value,
					width: cSize.value,
					height: cSize.value,
					xmlns: 'http://www.w3.org/2000/svg',
					viewBox: '0 0 100 100',
					preserveAspectRatio: 'xMidYMid',
				},
				svg
			);
	},
});