---
export const prerender = true;
import Layout from '../../layouts/PageLayout.astro';
import { getPermalink } from '../../utils/permalinks';
import { getTranslation } from '../../i18n/translations';
import React, { useMemo } from 'react';
import dynamic from 'astro/dynamic';
import ContributionCalendar from '../../components/ContributionCalendar.jsx';
import CollapsibleIntro from '../../components/CollapsibleIntro.jsx';

const metadata = {
  title: 'Development Progress | 365DevNet',
  description: 'See the latest development activity, code contributions, and commit history for the 365DevNet project.',
};

const lang = Astro.params.lang || 'en';
const t = getTranslation(lang);

// Cache Gitea commits across all language builds
let cachedCommits = null;
async function getCachedCommits() {
  if (cachedCommits) return cachedCommits;
  const GITEA_COMMITS_URL = 'https://git.365devnet.eu/api/v1/repos/365DevNet/365devnet/commits?sha=main&stat=true&verification=true&files=true';
  let commits = [];
  try {
    const headers = { accept: 'application/json' };
    if (import.meta.env.GITEA_TOKEN) {
      headers['Authorization'] = `token ${import.meta.env.GITEA_TOKEN}`;
    }
    const commitsResponse = await fetch(GITEA_COMMITS_URL, { headers });
    if (commitsResponse.ok) {
      commits = await commitsResponse.json();
    }
  } catch (error) {
    console.error('Error fetching commits:', error);
  }
  cachedCommits = commits;
  return commits;
}

// Fetch Git repository data at build time (cached)
const commits = await getCachedCommits();

// Format date to a readable format
const formatDate = (dateString: string) => {
  const date = new Date(dateString);
  const day = date.toLocaleString(lang, { day: '2-digit' });
  const month = date.toLocaleString(lang, { month: 'short' }).toLowerCase().replace('.', '');
  const year = date.getFullYear();
  return `${day}-${month}-${year}`;
};

// Helper: Group commits by date (YYYY-MM-DD)
function getContributionData(commits) {
  const contributions = {};
  for (const commit of commits) {
    const date = commit.commit?.author?.date?.slice(0, 10);
    if (date) {
      contributions[date] = (contributions[date] || 0) + 1;
    }
  }
  return contributions;
}

const contributionData = getContributionData(commits);

export async function getStaticPaths() {
  return [
    { params: { lang: 'en' } },
    { params: { lang: 'nl' } },
    { params: { lang: 'de' } },
    { params: { lang: 'fr' } },
  ];
}
---

<Layout metadata={metadata}>
  <div class="max-w-4xl mx-auto px-4 py-8">
    <h1 class="text-4xl font-bold mb-4">{t.development.title || 'Development Progress'}</h1>
    {/* Collapsible Intro */}
    <CollapsibleIntro text={t.development.intro} client:only="react" />
    {/* Contribution Calendar */}
    <div class="mb-8">
      <ContributionCalendar data={contributionData} client:only="react" />
    </div>
    <div class="space-y-8">
      <section>
        <h2 class="text-2xl font-semibold mb-4">{t.development.latestCommits || 'Latest Commits'}</h2>
        {Array.isArray(commits) && commits.length > 0 ? (
          <div class="space-y-4">
            {commits.slice(0, 10).map((commit) => (
              <div class="bg-gray-50 dark:bg-gray-800 p-4 rounded-lg flex flex-col md:flex-row md:items-stretch md:gap-8">
                <div class="flex-1">
                  <h3 class="font-medium">{commit.commit?.message?.split('\n')[0] || 'No message'}</h3>
                  {/* Format commit description with bullet points on new lines */}
                  {commit.commit?.message ? (
                    (() => {
                      const lines = commit.commit.message.split('\n');
                      const bullets = lines.filter(line => line.trim().startsWith('- '));
                      if (bullets.length > 0) {
                        // Render as a list if there are bullet points
                        return (
                          <ul class="text-sm text-gray-600 dark:text-gray-400 list-disc ml-5">
                            {lines.map((line, idx) =>
                              line.trim().startsWith('- ')
                                ? <li key={idx}>{line.trim().slice(2)}</li>
                                : line.trim() !== '' && <li key={idx} class="list-none pl-0">{line}</li>
                            )}
                          </ul>
                        );
                      } else {
                        // Render as a paragraph if no bullet points
                        return <p class="text-sm text-gray-600 dark:text-gray-400">{commit.commit.message}</p>;
                      }
                    })()
                  ) : null}
                </div>
                <div class="flex flex-col items-end min-w-[140px] bg-gray-100 dark:bg-gray-700 rounded-lg px-4 py-2 mt-4 md:mt-0 md:ml-8 shadow-sm border border-gray-200 dark:border-gray-600">
                  <span class="text-base font-semibold text-gray-800 dark:text-gray-200 mb-1">{commit.commit?.author?.date ? formatDate(commit.commit.author.date) : ''}</span>
                  {commit.commit?.author?.name && (
                    <span class="text-xs text-gray-500 dark:text-gray-400 mb-2">{commit.commit.author.name}</span>
                  )}
                  {commit.sha && (
                    <a href={commit.html_url} target="_blank" rel="noopener" class="block mt-1 text-right">
                      <span class="text-xs text-gray-500 dark:text-gray-300 block">Commit:</span>
                      <code class="mt-1 px-2 py-1 rounded bg-white dark:bg-gray-800 border border-gray-300 dark:border-gray-600 font-mono text-xs text-blue-700 dark:text-blue-300 hover:bg-blue-50 dark:hover:bg-gray-900 transition-colors cursor-pointer block">
                        {commit.sha.slice(0, 7)}
                      </code>
                    </a>
                  )}
                </div>
              </div>
            ))}
          </div>
        ) : (
          <p class="text-gray-600 dark:text-gray-400">Unable to fetch commit history at this time.</p>
        )}
      </section>
    </div>
  </div>
</Layout>