---
import { SITE } from "src/config";
import Layout from "@layouts/Layout.astro";
import Main from "@layouts/Main.astro";
import Header from "@components/Header.astro";
import Footer from "@components/Footer.astro";
import Card from "@components/Card";
import LinkButton from "@components/LinkButton.astro";
import slugify from "@utils/slugify";
import type { MarkdownInstance } from "astro";
import type { Frontmatter } from "src/types";

export interface Props {
  pageNum: number;
  totalPages: number;
  posts: MarkdownInstance<Frontmatter>[];
}

const { pageNum, totalPages, posts } = Astro.props;

const prev = pageNum > 1 ? "" : "disabled";
const next = pageNum < totalPages ? "" : "disabled";
---

<Layout title={`Posts | ${SITE.title}`}>
  <Header activeNav="posts" />
  <Main pageTitle="Posts" pageDesc="All the articles I've posted.">
    <ul>
      {
        posts.map(({ frontmatter }) => {
          return (
            <Card href={`/posts/${slugify(frontmatter)}`} post={frontmatter} />
          );
        })
      }
    </ul>
  </Main>

  <nav class="pagination-wrapper" aria-label="Pagination Navigation">
    <LinkButton
      tabindex={prev === "disabled" ? "-1" : "0"}
      href={`/posts${pageNum - 1 !== 1 ? "/" + (pageNum - 1) : ""}`}
      className={`mr-4 select-none ${prev}`}
    >
      <svg xmlns="http://www.w3.org/2000/svg" class={`${prev}-svg`}>
        <path
          d="M12.707 17.293 8.414 13H18v-2H8.414l4.293-4.293-1.414-1.414L4.586 12l6.707 6.707z"
        ></path>
      </svg>
      Prev
    </LinkButton>
    <LinkButton
      tabindex={next === "disabled" ? "-1" : "0"}
      href={`/posts/${pageNum + 1}`}
      className={`ml-4 select-none ${next}`}
    >
      Next
      <svg xmlns="http://www.w3.org/2000/svg" class={`${next}-svg`}>
        <path
          d="m11.293 17.293 1.414 1.414L19.414 12l-6.707-6.707-1.414 1.414L15.586 11H6v2h9.586z"
        ></path>
      </svg>
    </LinkButton>
  </nav>
  <Footer noMarginTop />
</Layout>

<style>
  .pagination-wrapper {
    @apply flex justify-center mt-auto mb-8;
  }
  .disabled {
    @apply opacity-50 hover:text-skin-base group-hover:fill-skin-base pointer-events-none select-none;
  }
  .disabled-svg {
    @apply group-hover:!fill-skin-base;
  }
</style>