<!--
  - This Source Code Form is subject to the terms of the Mozilla Public
  - License, v. 2.0. If a copy of the MPL was not distributed with this
  - file, You can obtain one at https://mozilla.org/MPL/2.0/.
  -->
<script lang="ts">
	import { startAuthentication } from '@simplewebauthn/browser';
	import { getLocalization } from '$lib/i18n';
	// import { alertModal } from '$lib/stores';

	const { t } = getLocalization();
	export let session_data;
	export let selected_method;
	export let done;
	export let step;

	let isLoading = false;

	const start_thing = async () => {
		const data = JSON.parse(session_data.webauthn_data);
		let asseResp;
		isLoading = true;
		try {
			asseResp = await startAuthentication(data);
		} catch (e) {
			console.error(e);
			/*			alertModal.set({
				open: true,
				body: e,
				title: 'Unknown error'
			});*/
			alert('Unknown error');
			isLoading = false;
		}
		const res = await fetch(
			`/api/v1/login/step/${step}?session_id=${session_data.session_id}`,
			{
				method: 'POST',
				headers: {
					'Content-Type': 'application/json'
				},
				body: JSON.stringify({ auth_type: 'PASSKEY', data: asseResp })
			}
		);
		if (res.status === 200) {
			done = true;
		} else if (res.status === 202) {
			step += 1;
			selected_method = null;
		} else if (res.status === 401) {
			let data;
			try {
				data = await res.json();
			} catch {
				/*				alertModal.set({
					open: true,
					body: "This shouldn't happen. Please try again.",
					title: 'Unknown error'
				});*/
				alert('Unknown error');
				window.location.reload();
			}
			if (data.detail === 'webauthn failed') {
				/*				alertModal.set({
					open: true,
					body: 'Webauthn failed. Please try again.',
					title: 'Webauthn Error'
				});*/
				alert('Webauthn failed');
			}
		}
		isLoading = false;
	};
</script>

<div class="px-6 py-4">
	<h2 class="text-3xl font-bold text-center text-gray-700 dark:text-white">ClassQuiz</h2>
	<p class="mt-1 text-center text-gray-500 dark:text-gray-400">
		Start the Security-Key verification
	</p>

	<div class="w-full mt-4">
		<div class="flex items-center justify-between mt-4">
			<button
				on:click={() => {
					selected_method = 'BACKUP';
				}}
				class="text-sm text-gray-600 dark:text-gray-200 hover:text-gray-500"
				>{$t('login_page.use_backup_code')}</button
			>
			<button
				class="px-4 py-2 leading-5 text-white transition-colors duration-200 transform bg-gray-700 rounded hover:bg-gray-600 focus:outline-none disabled:cursor-not-allowed disabled:opacity-50"
				disabled={isLoading}
				on:click={start_thing}
			>
				{#if isLoading}
					<svg class="h-4 w-4 animate-spin mx-auto" viewBox="3 3 18 18">
						<path
							class="fill-black"
							d="M12 5C8.13401 5 5 8.13401 5 12C5 15.866 8.13401 19 12 19C15.866 19 19 15.866 19 12C19 8.13401 15.866 5 12 5ZM3 12C3 7.02944 7.02944 3 12 3C16.9706 3 21 7.02944 21 12C21 16.9706 16.9706 21 12 21C7.02944 21 3 16.9706 3 12Z"
						/>
						<path
							class="fill-blue-100"
							d="M16.9497 7.05015C14.2161 4.31648 9.78392 4.31648 7.05025 7.05015C6.65973 7.44067 6.02656 7.44067 5.63604 7.05015C5.24551 6.65962 5.24551 6.02646 5.63604 5.63593C9.15076 2.12121 14.8492 2.12121 18.364 5.63593C18.7545 6.02646 18.7545 6.65962 18.364 7.05015C17.9734 7.44067 17.3403 7.44067 16.9497 7.05015Z"
						/>
					</svg>
				{:else}
					{$t('words.start')}
				{/if}
			</button>
		</div>
	</div>
</div>
