<script lang="ts">
	import { env } from '$env/dynamic/public';
	import { userIdentity as getUserIdentity } from '$lib/AniList/identity';
	import { onMount } from 'svelte';
	import userIdentity, { defaultIdentity } from '$stores/identity';
	import settings from '$stores/settings';
	import { browser } from '$app/environment';
	import HeadTitle from '$lib/Home/HeadTitle.svelte';
	import '../app.css';
	import { readable, type Readable } from 'svelte/store';
	import { navigating } from '$app/stores';
	import Notifications from 'svelte-notifications';
	import Notification from '$lib/Notification/Notification.svelte';
	import Root from '$lib/Home/Root.svelte';
	import root from '$lib/Utility/root';
	import { addMessages, init, locale as i18nLocale } from 'svelte-i18n';
	import english from '$lib/Locale/english';
	import japanese from '$lib/Locale/japanese';
	import type { LocaleDictionary } from '$lib/Locale/layout';
	import locale from '$stores/locale';
	import Skeleton from '$lib/Loading/Skeleton.svelte';
	import subsPlease from '$stores/subsPlease';

	export let data;

	let dropdownOpen = false;

	addMessages('en', english as unknown as LocaleDictionary);
	addMessages('ja', japanese as unknown as LocaleDictionary);
	init({ fallbackLocale: 'en', initialLocale: $settings.displayLanguage });

	$: i18nLocale.set($settings.displayLanguage);

	const navigationOrder = ['/', '/completed', '/schedule', '/updates', '/tools', '/settings'];
	const previousPage: Readable<string | null> = readable(null, (set) => {
		const unsubscribe = navigating.subscribe(($navigating) => {
			if ($navigating && $navigating.from) set($navigating.from.url.pathname as unknown as null);
		});

		return () => unsubscribe();
	});

	$: way = data.url.includes('/user')
		? 200
		: $previousPage && $previousPage.includes('/user')
		? -200
		: navigationOrder.indexOf(data.url) > navigationOrder.indexOf($previousPage ?? '/')
		? 200
		: -200;

	onMount(async () => {
		if (browser) {
			if (localStorage.getItem('redirect')) {
				window.location.href = localStorage.getItem('redirect') ?? '/';

				localStorage.removeItem('redirect');
			}

			if (localStorage.getItem('commit') !== data.commit) {
				localStorage.removeItem('identity');
				localStorage.removeItem('anime');
				localStorage.removeItem('manga');
				localStorage.removeItem('lastPruneTimes');
				localStorage.setItem('commit', data.commit);
			}
		}

		settings.get();

		if (data.user !== undefined)
			getUserIdentity(data.user).then((h) => {
				if ($userIdentity.id === -2) userIdentity.set(h);
			});
	});

	const handleClickOutside = (event: any) => {
		if (!event.target.closest('.dropdown')) {
			dropdownOpen = false;
		}
	};

	$: {
		if ((data.url === '/' || data.url === '/completed') && !$subsPlease)
			fetch(root(`/api/subsplease?tz=${Intl.DateTimeFormat().resolvedOptions().timeZone}`))
				.then((r) => r.json())
				.then((r) => subsPlease.set(r));
	}
</script>

<svelte:window on:click={handleClickOutside} />

<HeadTitle />

<div id="container">
	<div id="header" class="card card-centered">
		<div>
			<a href={root('/')} class="header-item">{$locale().navigation.home}</a><a
				href={root('/completed')}
				class="header-item"
			>
				{$locale().navigation.completed}
			</a>
			<div class="dropdown" id="dropdown">
				<span
					class="header-item dropdown-toggle"
					id="dropdown-toggle"
					on:click|preventDefault={() => (dropdownOpen = !dropdownOpen)}
					on:keydown={() => {}}
					role="button"
					tabindex="0"
				>
					{$locale().navigation.schedule}
				</span>

				<div class={`dropdown-content card card-small ${dropdownOpen ? 'dropdown-open' : ''}`}>
					<a href={root('/schedule')} class="header-item">{$locale().navigation.subtitleSchedule}</a
					>
					<a href={root('/updates')} class="header-item">{$locale().navigation.newReleases}</a>
					<a href={root('/birthdays')} class="header-item">Character Birthdays</a>
				</div>
			</div>
			<a href={root('/tools')} class="header-item">{$locale().navigation.tools}</a>
			<a href={root('/settings')} class="header-item">{$locale().navigation.settings}</a>

			<span class="header-item true-opaque">|</span>

			{#if data.user}
				<a href={root(`/user/${$userIdentity.name}`)} class="header-item">
					{$locale().navigation.profile}
				</a>
			{/if}

			{#if data.user === undefined}
				<a
					class="header-item"
					href={`https://anilist.co/api/v2/oauth/authorize?client_id=${env.PUBLIC_ANILIST_CLIENT_ID}&redirect_uri=${env.PUBLIC_ANILIST_REDIRECT_URI}&response_type=code`}
					on:click={() => {
						localStorage.setItem(
							'redirect',
							window.location.origin + window.location.pathname + window.location.search
						);
					}}
				>
					{$locale().navigation.logIn}
				</a>
			{:else}
				<a
					href={'#'}
					class="header-item"
					on:click={() => {
						userIdentity.set(defaultIdentity);

						window.location.href = root('/api/authentication/log-out');
					}}
				>
					{$locale().navigation.logOut}
				</a>
				{#if data.user}
					<a href={root(`/user/${$userIdentity.name}`)} class="header-item">
						<img id="avatar" src={$userIdentity.avatar} alt="Avatar" />
					</a>
				{/if}
			{/if}
		</div>
	</div>

	<p />

	<Notifications item={Notification} zIndex={5000}>
		<Root {data} {way}>
			{#if $userIdentity.id !== -1}
				<slot />
			{:else if data.url === '/settings'}
				<Skeleton />
			{:else if data.url === '/tools'}
				<Skeleton count={1} height="75vh" />
			{:else if data.url === '/schedule'}
				<Skeleton grid={true} width="50%" count={2} height="25vh" />
			{:else}
				<Skeleton grid={true} width="50%" count={2} height="25vh" />
			{/if}
		</Root>
	</Notifications>
</div>

<style lang="scss">
	#header {
		font-family: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
			Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
		font-size: 1.05em;
		font-weight: 600;
		padding: 0.8rem 0.4rem;
		z-index: 999999;
	}

	#header a {
		color: var(--base06);
	}

	:global(html.light-theme) {
		filter: invert(0);
	}

	:global(html.light-theme img) {
		filter: invert(0);
	}

	#container {
		height: 100%;
		display: flex;
		flex-direction: column;
	}

	/* #hover-header {
		position: fixed;
		top: 0;
		left: 0;
		padding: 0.5% 0.25% 0.25% 0;
		z-index: 1000;
		transition: 0.25s;
		opacity: 0;
		background-color: var(--base00);
		width: 100%;
	} */

	@media (max-width: 640px) {
		/* #hover-header {
			opacity: 1;
			position: unset;
			padding: 0; */
		/* font-size: 5vw; */
		/* } */
	}

	/* #hover-header:hover {
		opacity: 1;
	} */

	:global(a) {
		text-decoration: none;
		transition: all 0.15s ease-in-out;
	}

	:global(a:hover) {
		text-decoration: underline;
	}

	.header-item {
		margin: 0 0.5rem;
	}

	.header-item:hover {
		text-decoration: none;
	}

	.header-item:active {
		outline: none;
	}

	#avatar {
		width: 2em;
		display: inline-block;
		vertical-align: middle;
		border-radius: 8px;
		box-shadow: 0 1.5px 9px var(--base01), 0 0 0 4px var(--base0E), 0 4px 30px var(--base01);
	}

	.dropdown {
		position: relative;
		display: inline-block;
	}

	.dropdown-content {
		display: block;
		position: absolute;
		min-width: max-content;
		padding: 0.5em 0;
		opacity: 0;
		transform: translateY(-20px);
		visibility: hidden;
		$delay: 0.25s;
		transition: opacity $delay ease, transform $delay ease, visibility 0s linear $delay;
		left: 50%;
		transform: translateX(-50%);
	}

	.dropdown-open {
		opacity: 1;
		transform: translateY(0);
		visibility: visible;
		transition-delay: 0s, 0s, 0s;
		left: 50%;
		transform: translateX(-50%);
	}

	.dropdown:hover .dropdown-content {
		opacity: 1;
		transform: translateY(0);
		visibility: visible;
		transition-delay: 0s, 0s, 0s;
		left: 50%;
		transform: translateX(-50%);
	}

	.dropdown-content a {
		padding: 0.5em 0.75em;
		text-decoration: none;
		display: block;
	}

	.dropdown-content a:hover {
		border-radius: 8px;
		backdrop-filter: blur(160px);
		background-color: var(--base01);
	}
</style>
