<template>
<MkStickyContainer>
	<template #header>
		<MkPageHeader
			v-model:tab="tab"
			:actions="headerActions"
			:tabs="headerTabs"
			:display-my-avatar="true"
		/>
	</template>
	<MkSpacer :content-max="800">
		<swiper
			:modules="[Virtual]"
			:space-between="20"
			:virtual="true"
			:allow-touch-move="!(deviceKind === 'desktop' && !defaultStore.state.swipeOnDesktop)"
			@swiper="setSwiperRef"
			@slide-change="onSlideChange"
		>
			<swiper-slide>
				<XNotifications class="notifications" :include-types="includeTypes" :unread-only="false"/>
			</swiper-slide>
			<swiper-slide>
				<XNotifications class="notifications" :include-types="includeTypes" :unread-only="true"/>
			</swiper-slide>
			<swiper-slide>
				<XNotes :pagination="mentionsPagination"/>
			</swiper-slide>
			<swiper-slide>
				<XNotes :pagination="directNotesPagination"/>
			</swiper-slide>
		</swiper>
	</MkSpacer>
</MkStickyContainer>
</template>

<script lang="ts" setup>
import { computed, ref } from 'vue';
import { Virtual } from 'swiper';
import { Swiper, SwiperSlide } from 'swiper/vue';
import { notificationTypes } from 'misskey-js';
import XNotifications from '@/components/MkNotifications.vue';
import XNotes from '@/components/MkNotes.vue';
import * as os from '@/os';
import { i18n } from '@/i18n';
import { definePageMetadata } from '@/scripts/page-metadata';
import { deviceKind } from '@/scripts/device-kind';
import { defaultStore } from '@/store';
import 'swiper/scss';
import 'swiper/scss/virtual';

const tabs = ['all', 'unread', 'mentions', 'directNotes'];
let tab = $computed({
	get: () => tabs[0],
	set: (x) => {
		syncSlide(tabs.indexOf(x));
	},
});
let includeTypes = $ref<string[] | null>(null);
let unreadOnly = $computed(() => tab === 'unread');
os.api('notifications/mark-all-as-read');

const MOBILE_THRESHOLD = 500;
const isMobile = ref(
	deviceKind === 'smartphone' || window.innerWidth <= MOBILE_THRESHOLD
);
window.addEventListener('resize', () => {
	isMobile.value =
		deviceKind === 'smartphone' || window.innerWidth <= MOBILE_THRESHOLD;
});

const mentionsPagination = {
	endpoint: 'notes/mentions' as const,
	limit: 10,
};

const directNotesPagination = {
	endpoint: 'notes/mentions' as const,
	limit: 10,
	params: {
		visibility: 'specified',
	},
};

function setFilter(ev) {
	const typeItems = notificationTypes.map(t => ({
		text: i18n.t(`_notification._types.${t}`),
		active: includeTypes && includeTypes.includes(t),
		action: () => {
			includeTypes = [t];
		},
	}));
	const items = includeTypes != null ? [{
		icon: 'fas fa-times',
		text: i18n.ts.clear,
		action: () => {
			includeTypes = null;
		},
	}, null, ...typeItems] : typeItems;
	os.popupMenu(items, ev.currentTarget ?? ev.target);
}

const headerActions = $computed(() => [tab === 'all' ? {
	text: i18n.ts.filter,
	icon: 'fas fa-filter',
	highlighted: includeTypes != null,
	handler: setFilter,
} : undefined, tab === 'all' ? {
	text: i18n.ts.markAllAsRead,
	icon: 'fas fa-check',
	handler: () => {
		os.apiWithDialog('notifications/mark-all-as-read');
	},
} : undefined].filter(x => x !== undefined));

const headerTabs = $computed(() => [{
	key: 'all',
	title: i18n.ts.all,
	icon: 'fas fa-bell',
}, {
	key: 'unread',
	title: i18n.ts.unread,
	icon: 'fas fa-exclamation',
}, {
	key: 'mentions',
	title: i18n.ts.mentions,
	icon: 'fas fa-at',
}, {
	key: 'directNotes',
	title: i18n.ts.directNotes,
	icon: 'fas fa-envelope',
}]);

definePageMetadata(computed(() => ({
	title: i18n.ts.notifications,
	icon: 'fas fa-bell',
})));

let swiperRef = null;

function setSwiperRef(swiper) {
	swiperRef = swiper;
	syncSlide(tabs.indexOf(tab));
}

function onSlideChange() {
	tab = tabs[swiperRef.activeIndex];
}

function syncSlide(index) {
	swiperRef.slideTo(index);
}
</script>