<!--
SPDX-FileCopyrightText: syuilo and misskey-project
SPDX-License-Identifier: AGPL-3.0-only
-->

<template>
<SearchMarker markerId="2fa" :keywords="['2fa']">
	<FormSection :first="first">
		<template #label><SearchLabel>{{ i18n.ts['2fa'] }}</SearchLabel></template>

		<div v-if="$i" class="_gaps_s">
			<MkInfo v-if="$i.twoFactorEnabled && $i.twoFactorBackupCodesStock === 'partial'" warn>
				{{ i18n.ts._2fa.backupCodeUsedWarning }}
			</MkInfo>
			<MkInfo v-if="$i.twoFactorEnabled && $i.twoFactorBackupCodesStock === 'none'" warn>
				{{ i18n.ts._2fa.backupCodesExhaustedWarning }}
			</MkInfo>

			<SearchMarker :keywords="['totp', 'app']">
				<MkFolder :defaultOpen="true">
					<template #icon><i class="ti ti-shield-lock"></i></template>
					<template #label><SearchLabel>{{ i18n.ts.totp }}</SearchLabel></template>
					<template #caption><SearchText>{{ i18n.ts.totpDescription }}</SearchText></template>
					<template #suffix><i v-if="$i.twoFactorEnabled" class="ti ti-check" style="color: var(--MI_THEME-success)"></i></template>

					<div v-if="$i.twoFactorEnabled" class="_gaps_s">
						<div v-text="i18n.ts._2fa.alreadyRegistered"/>
						<template v-if="$i.securityKeysList.length > 0">
							<MkButton @click="renewTOTP">{{ i18n.ts._2fa.renewTOTP }}</MkButton>
							<MkInfo>{{ i18n.ts._2fa.whyTOTPOnlyRenew }}</MkInfo>
						</template>
						<MkButton v-else danger @click="unregisterTOTP">{{ i18n.ts.unregister }}</MkButton>
					</div>

					<div v-else-if="!$i.twoFactorEnabled" class="_gaps_s">
						<MkButton primary gradate @click="registerTOTP">{{ i18n.ts._2fa.registerTOTP }}</MkButton>
						<MkLink url="https://misskey-hub.net/docs/for-users/stepped-guides/how-to-enable-2fa/" target="_blank"><i class="ti ti-help-circle"></i> {{ i18n.ts.learnMore }}</MkLink>
					</div>
				</MkFolder>
			</SearchMarker>

			<SearchMarker :keywords="['security', 'key', 'passkey']">
				<MkFolder>
					<template #icon><i class="ti ti-key"></i></template>
					<template #label><SearchLabel>{{ i18n.ts.securityKeyAndPasskey }}</SearchLabel></template>
					<div class="_gaps_s">
						<MkInfo>
							{{ i18n.ts._2fa.securityKeyInfo }}
						</MkInfo>

						<MkInfo v-if="!webAuthnSupported()" warn>
							{{ i18n.ts._2fa.securityKeyNotSupported }}
						</MkInfo>

						<MkInfo v-else-if="webAuthnSupported() && !$i.twoFactorEnabled" warn>
							{{ i18n.ts._2fa.registerTOTPBeforeKey }}
						</MkInfo>

						<template v-else>
							<MkButton primary @click="addSecurityKey">{{ i18n.ts._2fa.registerSecurityKey }}</MkButton>
							<MkFolder v-for="key in $i.securityKeysList" :key="key.id">
								<template #label>{{ key.name }}</template>
								<template #suffix><I18n :src="i18n.ts.lastUsedAt"><template #t><MkTime :time="key.lastUsed"/></template></I18n></template>
								<div class="_buttons">
									<MkButton @click="renameKey(key)"><i class="ti ti-forms"></i> {{ i18n.ts.rename }}</MkButton>
									<MkButton danger @click="unregisterKey(key)"><i class="ti ti-trash"></i> {{ i18n.ts.unregister }}</MkButton>
								</div>
							</MkFolder>
						</template>
					</div>
				</MkFolder>
			</SearchMarker>

			<SearchMarker :keywords="['password', 'less', 'key', 'passkey', 'login', 'signin']">
				<MkSwitch :disabled="!$i.twoFactorEnabled || $i.securityKeysList.length === 0" :modelValue="usePasswordLessLogin" @update:modelValue="v => updatePasswordLessLogin(v)">
					<template #label><SearchLabel>{{ i18n.ts.passwordLessLogin }}</SearchLabel></template>
					<template #caption><SearchText>{{ i18n.ts.passwordLessLoginDescription }}</SearchText></template>
				</MkSwitch>
			</SearchMarker>
		</div>
	</FormSection>
</SearchMarker>
</template>

<script lang="ts" setup>
import { defineAsyncComponent, computed } from 'vue';
import { supported as webAuthnSupported, create as webAuthnCreate, parseCreationOptionsFromJSON } from '@github/webauthn-json/browser-ponyfill';
import MkButton from '@/components/MkButton.vue';
import MkInfo from '@/components/MkInfo.vue';
import MkSwitch from '@/components/MkSwitch.vue';
import FormSection from '@/components/form/section.vue';
import MkFolder from '@/components/MkFolder.vue';
import MkLink from '@/components/MkLink.vue';
import * as os from '@/os.js';
import { ensureSignin } from '@/i.js';
import { i18n } from '@/i18n.js';
import { updateCurrentAccountPartial } from '@/accounts.js';

const $i = ensureSignin();

// メモ: 各エンドポイントはmeUpdatedを発行するため、refreshAccountは不要

withDefaults(defineProps<{
	first?: boolean;
}>(), {
	first: false,
});

const usePasswordLessLogin = computed(() => $i.usePasswordLessLogin ?? false);

async function registerTOTP(): Promise<void> {
	const auth = await os.authenticateDialog();
	if (auth.canceled) return;

	const twoFactorData = await os.apiWithDialog('i/2fa/register', {
		password: auth.result.password,
		token: auth.result.token,
	});

	const { dispose } = await os.popupAsyncWithDialog(import('./2fa.qrdialog.vue').then(x => x.default), {
		twoFactorData,
	}, {
		closed: () => dispose(),
	});
}

async function unregisterTOTP(): Promise<void> {
	const auth = await os.authenticateDialog();
	if (auth.canceled) return;

	os.apiWithDialog('i/2fa/unregister', {
		password: auth.result.password,
		token: auth.result.token,
	}).then(res => {
		updateCurrentAccountPartial({
			twoFactorEnabled: false,
		});
	}).catch(error => {
		os.alert({
			type: 'error',
			text: error,
		});
	});
}

function renewTOTP(): void {
	os.confirm({
		type: 'question',
		title: i18n.ts._2fa.renewTOTP,
		text: i18n.ts._2fa.renewTOTPConfirm,
		okText: i18n.ts._2fa.renewTOTPOk,
		cancelText: i18n.ts._2fa.renewTOTPCancel,
	}).then(({ canceled }) => {
		if (canceled) return;
		registerTOTP();
	});
}

async function unregisterKey(key) {
	const confirm = await os.confirm({
		type: 'question',
		title: i18n.ts._2fa.removeKey,
		text: i18n.tsx._2fa.removeKeyConfirm({ name: key.name }),
	});
	if (confirm.canceled) return;

	const auth = await os.authenticateDialog();
	if (auth.canceled) return;

	await os.apiWithDialog('i/2fa/remove-key', {
		password: auth.result.password,
		token: auth.result.token,
		credentialId: key.id,
	});
	os.success();
}

async function renameKey(key) {
	const name = await os.inputText({
		title: i18n.ts.rename,
		default: key.name,
		type: 'text',
		minLength: 1,
		maxLength: 30,
	});
	if (name.canceled) return;

	await os.apiWithDialog('i/2fa/update-key', {
		name: name.result,
		credentialId: key.id,
	});
}

async function addSecurityKey() {
	const auth = await os.authenticateDialog();
	if (auth.canceled) return;

	const registrationOptions = parseCreationOptionsFromJSON({
		publicKey: await os.apiWithDialog('i/2fa/register-key', {
			password: auth.result.password,
			token: auth.result.token,
		}),
	});

	const name = await os.inputText({
		title: i18n.ts._2fa.registerSecurityKey,
		text: i18n.ts._2fa.securityKeyName,
		type: 'text',
		minLength: 1,
		maxLength: 30,
	});
	if (name.canceled) return;

	const credential = await os.promiseDialog(
		webAuthnCreate(registrationOptions),
		null,
		() => {}, // ユーザーのキャンセルはrejectなのでエラーダイアログを出さない
		i18n.ts._2fa.tapSecurityKey,
	);
	if (!credential) return;

	const auth2 = await os.authenticateDialog();
	if (auth2.canceled) return;

	await os.apiWithDialog('i/2fa/key-done', {
		password: auth.result.password,
		token: auth.result.token,
		name: name.result,
		credential: credential.toJSON(),
	});
}

async function updatePasswordLessLogin(value: boolean) {
	await os.apiWithDialog('i/2fa/password-less', {
		value,
	});
}
</script>
