---
import SearchModal from "../ui/SearchModal.astro";

type Navigation = Record<
	string,
	{ title: string; url: string; order: number }[]
>;

const currentUrl = Astro.url.pathname;

const isCurrentUrl = (url: string) => currentUrl === url;

export function formatTitle(title: string): string {
	return title
		.split("-")
		.map((word) => word.charAt(0).toUpperCase() + word.slice(1))
		.join(" ");
}

export async function setup() {
	// setup navigation

	// Define the order of categories
	let categoryOrder = ["Get Started", "Guide", "Tutorials"];

	const getStartedFiles = await Astro.glob("../../pages/get-started/*");
	const guideFiles = await Astro.glob("../../pages/guide/*");
	const tutorialFiles = await Astro.glob("../../pages/tutorials/*");

	let markdownFiles = [...getStartedFiles, ...guideFiles, ...tutorialFiles];
	let navigation: Navigation = {};

	for (const file of markdownFiles) {
		let filePath = file.url;
		let [_, category] = filePath!.split("/");
		let formattedCategory = formatTitle(category).toLowerCase();
		let formattedTitle = file.frontmatter.title;
		let order = file.frontmatter.order ?? 0;

		if (!navigation[formattedCategory]) {
			navigation[formattedCategory] = [];
		}

		navigation[formattedCategory].push({
			title: formattedTitle,
			url: filePath || "",
			order,
		});
	}

	// Create a new navigation object with the desired order
	let orderedNavigation: Navigation = {};
	for (let category of categoryOrder) {
		if (navigation[category.toLowerCase()]) {
			orderedNavigation[category] = navigation[
				category.toLowerCase()
			].sort((a, b) => a.order - b.order);
		}
	}

	return {
		navigation: orderedNavigation,
	};
}

interface Props {
	showHome?: boolean | null;
}

// setup navigation
const { navigation } = await setup();

// show Home link in vertical navbar only on mobile
const { showHome } = Astro.props;
---

<div class="relative">
	<nav id="vertical-nav-component" class="flex flex-col" data-pagefind-ignore>
		{
			showHome && (
				<div class="mb-5">
					<SearchModal id="vertical" open="Open modal" />
				</div>
			)
		}

		{
			showHome && (
				<div class="mb-2">
					<a
						href="/"
						class={`no-target-blank px-2 rounded-md w-full hover:no-underline hover:text-white text-lg mt-0
                                ${isCurrentUrl("/") ? "text-white" : "text-gray-400"}`}
					>
						Home
					</a>
				</div>
			)
		}

		{
			Object.entries(navigation).map(([category, links]) => (
				<div class="mb-2">
					<div class="category no-target-blank rounded-md text-lg font-bold mb-1 mt-0 text-white">
						{category}
					</div>
					<ul class="list-disc list-outside font-normal">
						{links.map((link) => (
							<li class="mb-1 pl-0">
								<a
									href={link.url}
									class={`no-target-blank px-2 rounded-md w-full transition-colors duration-150 hover:no-underline hover:text-white ${isCurrentUrl(link.url) ? "text-black bg-primary-green" : "text-gray-400 bg-none"}`}
								>
									{link.title}
								</a>
							</li>
						))}
					</ul>
				</div>
			))
		}
		<div class="mb-2">
			<a
				href="/groups"
				class={`no-target-blank px-2 rounded-md w-full transition-colors duration-150 hover:no-underline hover:text-white text-lg mt-0
                    ${isCurrentUrl("/groups") ? "text-black bg-primary-green" : "text-gray-400"}`}
			>
				Groups
			</a>
		</div>
		<div class="mb-2">
			<a
				href="/credits"
				class={`no-target-blank px-2 rounded-md w-full transition-colors duration-150 hover:no-underline hover:text-white text-lg mt-0
                    ${isCurrentUrl("/credits") ? "text-black bg-primary-green" : "text-gray-400"}`}
			>
				Credits
			</a>
		</div>
	</nav>
</div>

<script>
	document.addEventListener("astro:page-load", () => {
		const currentUrl = window.location.pathname;

		const isCurrentUrl = (url: string) => currentUrl === url;

		const links = document.querySelectorAll(
			"#vertical-nav-component a:not(.category), #vertical-nav-component a > a:not(.category)"
		);

		// add active class to current url
		links.forEach((link) => {
			if (isCurrentUrl(link.getAttribute("href")!)) {
				link.classList.add("text-black", "bg-primary-green");
				link.classList.remove(
					"text-gray-400",
					"bg-none",
					"hover:text-white"
				);
			} else {
				link.classList.remove("text-black", "bg-primary-green");
				link.classList.add(
					"text-gray-400",
					"bg-none",
					"hover:text-white"
				);
			}
		});

		// close dialog
		const dialog = document.querySelector("dialog");

		if (dialog) {
			dialog.close();
		}
	});

	// @ts-ignore
	new PagefindUI({
		element: "#vertical-search",
		showSubResults: false,
		showEmptyFilters: false,
		debounceTimeoutMs: 0,
		showImages: false,
		autofocus: false,
	});
</script>