import type { FunctionalComponent } from 'preact';
import { h } from 'preact';
import './LanguageSelect.css';
import { KNOWN_LANGUAGES, langPathRegex } from '../../languages';

const LanguageSelect: FunctionalComponent<{ lang: string }> = ({ lang }) => {
	return (
		<div class="language-select-wrapper">
			<svg aria-hidden="true" focusable="false" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 88.6 77.3" height="1.2em" width="1.2em">
				<path fill="currentColor" d="M61,24.6h7.9l18.7,51.6h-7.7l-5.4-15.5H54.3l-5.6,15.5h-7.2L61,24.6z M72.6,55l-8-22.8L56.3,55H72.6z" />
				<path
					fill="currentColor"
					d="M53.6,60.6c-10-4-16-9-22-14c0,0,1.3,1.3,0,0c-6,5-20,13-20,13l-4-6c8-5,10-6,19-13c-2.1-1.9-12-13-13-19h8          c4,9,10,14,10,14c10-8,10-19,10-19h8c0,0-1,13-12,24l0,0c5,5,10,9,19,13L53.6,60.6z M1.6,16.6h56v-8h-23v-7h-9v7h-24V16.6z"
				/>
			</svg>
			<select
				class="language-select"
				value={lang}
				onChange={(e) => {
					const newLang = e.target.value;
					let actualDest = window.location.pathname.replace(langPathRegex, '/');
					if (actualDest == '/') actualDest = `/introduction`;
					window.location.pathname = '/' + newLang + actualDest;
				}}
			>
				{Object.keys(KNOWN_LANGUAGES).map((key) => {
					return (
						<option value={KNOWN_LANGUAGES[key]}>
							<span>{key}</span>
						</option>
					);
				})}
			</select>
		</div>
	);
};

export default LanguageSelect;