<script lang="ts">
	import { routes } from "./sitemap.ts"
	import { Separator } from "$lib/components/ui/separator/index.js";
	let scrollPosition: number = .5;
	let scrollHeight: number = 1;
	let progress: number = 0;

	function onScroll(p) {
		if (scrollHeight > 1) {
			progress = Math.min(1, scrollPosition / scrollHeight);
		}
	}
</script>

<div
	id="background"
	style="opacity: {1 - progress}"
>
</div>

<div id="front">
	<div id="floater">
		<p class="floater-elem" style="color: #888">This is a very long description</p>
		<div
			class="floater-elem"
				 style="padding-bottom: {(1 - progress) * 50}vh"
		>
			<div class="flex h-5 items-center space-x-4 text-sm">
				<a href="#bio">Bio</a>
				{#each routes as item}
					{#if item.route !== "/"}
						<Separator orientation="vertical" />
						<a href={item.route}>{item.name}</a>
					{/if}
				{/each}
			</div>
		</div>
	</div>
</div>
<div id="bio" class="bg-white dark:bg-gray-900" style="">
	<h1>Home Page</h1>
	<p>This is the home page. You have scrolled {scrollPosition} / {scrollHeight}, progress: {progress}</p>
</div>


<svelte:window
	bind:scrollY={scrollPosition}
	bind:innerHeight={scrollHeight}
	on:scroll={onScroll}
/>

<style>
	#background {
		background-image: url('/favicon.svg');
		background-attachment: fixed;
		background-size: 100%;
		background-position: center;
		z-index: -10;
		position: absolute;
		min-width: 100vw;
		min-height: 100vh;
	}
	#bio {
		width: 100vw;
		min-height: 100vh;
	}
	#front {
		height: 100vh;
		display: flex;
		flex-direction: column;
	}
	#floater {
		display: flex;
		flex-direction: column;
		justify-content: center;
		margin-top: auto;
		margin-left: auto;
		margin-right: auto;
	}
	.floater-elem {
		margin-left: auto;
		margin-right: auto;
	}
</style>
