---
import { getCollection } from 'astro:content';
import BaseLayout from '@/layouts/BaseLayout.astro';
import Heading from '@/components/ui/Heading.astro';
import Search from '@/components/blog/Search.astro';
import {
	Pagination,
	PaginationContent,
	PaginationItem,
	PaginationLink,
	PaginationNext,
	PaginationPrevious,
} from '@/components/ui/pagination';
import { Image } from 'astro:assets';

interface BlogPost {
	data: {
		title: string;
		description: string;
		datePublished?: string;
		dateModified?: string;
		author?: [
			{
				type?: string;
				name: string;
				url?: string;
			},
		];
		image?: string;
		isDraft?: boolean;
	};
	slug: string;
}

export async function getStaticPaths({ paginate }: { paginate: Function }) {
	const allBlogposts = await getCollection('blog');
	const publishedBlogPosts: any = (post: BlogPost) => !post.data.isDraft;
	const sortedPosts = allBlogposts.filter(publishedBlogPosts).sort((a, b) => {
		const dateA = a.data.dateModified
			? new Date(a.data.dateModified)
			: a.data.datePublished
				? new Date(a.data.datePublished)
				: new Date(0);
		const dateB = b.data.dateModified
			? new Date(b.data.dateModified)
			: b.data.datePublished
				? new Date(b.data.datePublished)
				: new Date(0);
		return dateB.getTime() - dateA.getTime();
	});

	const postsPerPage = 6;

	return paginate(sortedPosts, {
		pageSize: postsPerPage,
	});
}

const {
	page,
}: {
	page: {
		data: BlogPost[];
		url: { prev: string; current: string; next: string };
		currentPage: number;
		lastPage: number;
	};
} = Astro.props;
---

<BaseLayout
	title={`Blog Page ${page.currentPage} | Astro Deploy`}
	description="Explore insightful articles on our Blog: Dive into a world of knowledge through posts crafted with expertise. Discover, learn, and grow with us.">
	<div class="container mx-auto max-w-6xl px-4 py-12 sm:px-6 lg:px-8 lg:py-16">
		<div class="mb-12 text-center">
			<Heading level={1}>Blog</Heading>
			<Search />
			<p class="mt-4 text-xl text-zinc-600 dark:text-zinc-400">
				Here are some blogposts, they are located in the repository as mdx files.
			</p>
		</div>
		<hr class="my-8 border-t border-zinc-300 dark:border-zinc-700" />
		<div class="grid grid-cols-1 gap-8 md:grid-cols-2 xl:grid-cols-3">
			{
				page.data.map((post) => (
					<div class="overflow-hidden rounded-lg bg-white p-6 shadow-lg transition duration-500 ease-in-out hover:-translate-y-1 hover:shadow-2xl dark:bg-zinc-800">
						{post.data.image && (
							<a href={`/blog/${post.slug}/`}>
								<Image
									src={post.data.image}
									alt={post.data.title}
									inferSize
									class="h-48 w-full object-cover transition duration-500 ease-in-out hover:scale-105"
								/>
							</a>
						)}
						<div class="p-6">
							<h2
								transition:name={post.data.title}
								class="mb-3 text-2xl font-bold leading-tight text-zinc-800 transition duration-300 ease-in-out hover:text-primary-600 dark:text-zinc-100 dark:hover:text-primary-400">
								<a href={`/blog/${post.slug}/`}>{post.data.title}</a>
							</h2>
							<div class="mb-4 text-sm text-zinc-600 dark:text-zinc-400">
								<div class="mb-2 flex flex-wrap items-center">
									{post.data.author && (
										<>
											<span class="mr-2">By</span>
											{post.data.author.map((author, index) => (
												<span class="mr-2">
													{author.url ? (
														<a
															href={author.url}
															class="font-medium text-primary-600 underline hover:text-primary-500 dark:text-primary-400 dark:hover:text-primary-300">
															{author.name}
														</a>
													) : (
														<span class="font-medium text-primary-600 dark:text-primary-400">
															{author.name}
														</span>
													)}
													{post.data.author && index < post.data.author.length - 1 && (
														<span>, </span>
													)}
												</span>
											))}
										</>
									)}
								</div>
								<div class="flex flex-wrap items-center">
									{post.data.datePublished && (
										<time datetime={post.data.datePublished} class="mr-4">
											<span class="mr-1">Published:</span>
											{new Date(post.data.datePublished).toLocaleDateString('en-US', {
												year: 'numeric',
												month: 'short',
												day: 'numeric',
											})}
										</time>
									)}
									{post.data.dateModified && (
										<time datetime={post.data.dateModified}>
											<span class="mr-1">Updated:</span>
											{new Date(post.data.dateModified).toLocaleDateString('en-US', {
												year: 'numeric',
												month: 'short',
												day: 'numeric',
											})}
										</time>
									)}
								</div>
							</div>
							<p class="text-zinc-600 dark:text-zinc-400">{post.data.description}</p>
						</div>
					</div>
				))
			}
		</div>
		<div class="mt-12 text-center text-black dark:text-white">
			<Pagination>
				<PaginationContent>
					{
						page.currentPage > 1 && (
							<>
								<PaginationItem>
									<PaginationPrevious href={`${page.url.prev}/`} />
								</PaginationItem>
								<PaginationItem>
									<PaginationLink href="/blog/">1</PaginationLink>
								</PaginationItem>
							</>
						)
					}
					<PaginationItem>
						<PaginationLink href={`${page.url.current}/`} isActive
							>{page.currentPage}
						</PaginationLink>
					</PaginationItem>
					{
						page.currentPage < page.lastPage && (
							<>
								<PaginationItem>
									<PaginationLink href={`/blog/${page.lastPage}/`}>{page.lastPage}</PaginationLink>
								</PaginationItem>
								<PaginationItem>
									<PaginationNext href={`${page.url.next}/`} />
								</PaginationItem>
							</>
						)
					}
				</PaginationContent>
			</Pagination>
		</div>
	</div>
</BaseLayout>