---
export type Icons = "chevron-down" | "download" | "book-open";

import { parse } from 'node-html-parser';
import type { HTMLAttributes } from "astro/types";

interface Props extends HTMLAttributes<"svg"> {
  	icon: Icons;
	size?: number | [number, number];
}

async function getSVG(name: string) {
	const file = await import(`./impl/${name}.svg?raw` /* @vite-ignore */);

	if (!file) {
		throw new Error(`${name} not found`);
	}

	const content = parse(file.default);

	const svg = content.querySelector('svg');

	if (!svg) {
		throw new Error(`${name} is not a valid SVG`);
	}

	const { attributes, innerHTML } = svg;

	return {
		attributes,
		innerHTML,
	};
}

const {
	icon,
	size,
	...attributes
} = Astro.props as Props;

let svgAttributes = {};
let html = "";

try {
	const sizeAttributes = () => {
		if (!size) {
			return {};
		}

		if (Array.isArray(size)) {
			return {
				width: size[0],
				height: size[1],
			};
		}

		return {
			width: size,
			height: size,
		};
	}

	const { attributes: baseAttributes, innerHTML } = await getSVG(icon);
	svgAttributes = {
		...baseAttributes,
		...attributes,
		...sizeAttributes(),
	};

	const colorRegex = /(fill|stroke)=\"([^"]*)\"/g;
	html = innerHTML.replaceAll(colorRegex, '$1="currentColor"');
} catch (err) {

}
---

<svg {...svgAttributes} set:html={html}></svg>