---
import BaseLayout from "@/layouts/BaseLayout.astro";
import contribData from "@/data/contributions.json";

interface Contribution {
  project: string;
  projectUrl: string;
  platform: string;
  type: string;
  kind: string;
  title: string;
  url: string;
  date: string;
  status?: string;
  description?: string;
  relatedIssue?: string;
}

const contributions = (contribData as Contribution[]).sort(
  (a, b) => new Date(b.date).getTime() - new Date(a.date).getTime(),
);

const totalCount = contributions.length;
const projects = [...new Set(contributions.map((c) => c.project))];
const types = [...new Set(contributions.map((c) => c.type))];
const kinds = [...new Set(contributions.map((c) => c.kind))];
const platforms = [...new Set(contributions.map((c) => c.platform))];
const mergedCount = contributions.filter((c) => c.status === "merged").length;

function fmtDate(iso: string) {
  const d = new Date(iso);
  return `${d.getDate()} ${d.toLocaleString("en-US", { month: "short" })} ${d.getFullYear()}`;
}

const typeLabels: Record<string, string> = {
  code: "Code",
  docs: "Docs",
  infra: "Infra",
};

const kindLabels: Record<string, string> = {
  pr: "PR",
  issue: "Issue",
  commit: "Commit",
  patch: "Patch",
};

const statusColors: Record<string, string> = {
  merged: "badge-merged",
  open: "badge-open",
  closed: "badge-closed",
};

const platformIcons: Record<string, string> = {
  github: `<path d="M9 19c-5 1.5-5-2.5-7-3m14 6v-3.87a3.37 3.37 0 0 0-.94-2.61c3.14-.35 6.44-1.54 6.44-7A5.44 5.44 0 0 0 20 4.77 5.07 5.07 0 0 0 19.91 1S18.73.65 16 2.48a13.38 13.38 0 0 0-7 0C6.27.65 5.09 1 5.09 1A5.07 5.07 0 0 0 5 4.77a5.44 5.44 0 0 0-1.5 3.78c0 5.42 3.3 6.61 6.44 7A3.37 3.37 0 0 0 9 18.13V22"/>`,
  gitlab: `<path d="M22.65 14.39L12 22.13 1.35 14.39a.84.84 0 0 1-.3-.94l1.22-3.78 2.44-7.51A.42.42 0 0 1 4.82 2a.43.43 0 0 1 .58 0 .42.42 0 0 1 .11.18l2.44 7.49h8.1l2.44-7.51A.42.42 0 0 1 18.6 2a.43.43 0 0 1 .58 0 .42.42 0 0 1 .11.18l2.44 7.51L23 13.45a.84.84 0 0 1-.35.94z"/>`,
  sourceware: `<circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/>`,
  gerrit: `<path d="M12 2L2 7l10 5 10-5-10-5z"/><path d="M2 17l10 5 10-5"/><path d="M2 12l10 5 10-5"/>`,
  other: `<polyline points="16 18 22 12 16 6"/><polyline points="8 6 2 12 8 18"/>`,
};

function platformIcon(p: string): string {
  return platformIcons[p] ?? platformIcons.other;
}

const collectionLd = {
  "@context": "https://schema.org",
  "@type": "CollectionPage",
  name: "Open Source Contributions",
  description: "Open source contributions across GitHub, GitLab, Sourceware, and other platforms.",
  url: "https://avinal.space/contributions",
  author: {
    "@type": "Person",
    name: "Avinal Kumar",
    url: "https://avinal.space",
  },
};
---

<BaseLayout
  title="Contributions"
  description="Open source contributions across GitHub, GitLab, Sourceware, and other platforms"
  jsonLd={collectionLd}
>
  <div class="contrib-page">
    <header class="contrib-header">
      <h1>Contributions</h1>
      <p class="contrib-desc">
        A curated selection of my open source contributions across projects and platforms. This list represents only a portion of my overall work — PRs, patches, commits, and issues that I consider meaningful.
      </p>
    </header>

    <div class="stats-bar" id="stats-bar">
      <div class="stat stat-contributions">
        <svg class="stat-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="4"/><line x1="1.05" y1="12" x2="7" y2="12"/><line x1="17.01" y1="12" x2="22.96" y2="12"/></svg>
        <span class="stat-value" id="stat-showing">{totalCount}</span>
        <span class="stat-label">contributions</span>
      </div>
      <div class="stat stat-projects">
        <svg class="stat-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M22 19a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5l2 3h9a2 2 0 0 1 2 2z"/></svg>
        <span class="stat-value">{projects.length}</span>
        <span class="stat-label">projects</span>
      </div>
      <div class="stat stat-merged">
        <svg class="stat-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="18" cy="18" r="3"/><circle cx="6" cy="6" r="3"/><path d="M6 21V9a9 9 0 0 0 9 9"/></svg>
        <span class="stat-value">{mergedCount}</span>
        <span class="stat-label">merged</span>
      </div>
      <div class="stat stat-platforms">
        <svg class="stat-icon" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/></svg>
        <span class="stat-value">{platforms.length}</span>
        <span class="stat-label">platforms</span>
      </div>
    </div>

    <div class="filter-bar" id="filter-bar">
      <select class="filter-select" data-filter="project" aria-label="Filter by project">
        <option value="">All projects</option>
        {projects.sort().map((p) => (
          <option value={p}>{p}</option>
        ))}
      </select>
      <select class="filter-select" data-filter="type" aria-label="Filter by type">
        <option value="">All types</option>
        {types.map((t) => (
          <option value={t}>{typeLabels[t] ?? t}</option>
        ))}
      </select>
      <select class="filter-select" data-filter="kind" aria-label="Filter by kind">
        <option value="">All kinds</option>
        {kinds.map((k) => (
          <option value={k}>{kindLabels[k] ?? k}</option>
        ))}
      </select>
      <select class="filter-select" data-filter="platform" aria-label="Filter by platform">
        <option value="">All platforms</option>
        {platforms.map((p) => (
          <option value={p}>{p}</option>
        ))}
      </select>
      <button class="filter-clear" id="clear-filters" style="display:none;">Clear</button>
    </div>

    <div class="timeline" id="timeline">
      {contributions.map((c) => (
        <div
          class={`tl-entry ct-${c.type}`}
          data-project={c.project}
          data-type={c.type}
          data-kind={c.kind}
          data-platform={c.platform}
        >
          <div class="tl-label-cell">
            <span class="tl-type-label">{typeLabels[c.type] ?? c.type}</span>
          </div>
          <div class="tl-rail-cell">
            <div class="tl-dot" />
          </div>
          <div class="tl-card">
            <div class="tl-card-header">
              <div class="tl-dates">
                {fmtDate(c.date)}
                <span class="tl-platform">
                  <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><Fragment set:html={platformIcon(c.platform)} /></svg>
                  <a href={c.projectUrl} class="project-link" target="_blank" rel="noopener noreferrer">{c.project}</a>
                </span>
              </div>
              <h3 class="tl-title">
                <a href={c.url} class="contrib-link" target="_blank" rel="noopener noreferrer">{c.title}</a>
              </h3>
            </div>

            <div class="badge-row">
              {c.status && (
                <span class={`badge ${statusColors[c.status] ?? ""}`}>{c.status}</span>
              )}
              <span class="badge badge-kind">{kindLabels[c.kind] ?? c.kind}</span>
            </div>

            {c.description && <p class="contrib-description">{c.description}</p>}
            {c.relatedIssue && (
              <a href={c.relatedIssue} class="related-issue-link" target="_blank" rel="noopener noreferrer">
                <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="12"/><line x1="12" y1="16" x2="12.01" y2="16"/></svg>
                Related issue
              </a>
            )}
          </div>
        </div>
      ))}
    </div>

    <p class="empty-state" id="empty-state" style="display:none;">
      No contributions match the current filters.
    </p>
  </div>
</BaseLayout>

<style>
  .contrib-page {
    max-width: var(--max-w-page);
    margin-inline: auto;
  }

  .contrib-header {
    margin-bottom: var(--space-8);
  }

  .contrib-header h1 {
    margin-bottom: var(--space-3);
  }

  .contrib-desc {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    max-width: var(--max-w-prose);
  }

  /* ---- Stats ---- */
  .stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-6);
  }

  .stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-3);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    transition: border-color var(--duration-fast) var(--ease-out),
      box-shadow var(--duration-fast) var(--ease-out);
  }

  .stat:hover {
    border-color: var(--stat-color);
    box-shadow: var(--shadow);
  }

  .stat-icon {
    opacity: 0.4;
    transition: opacity var(--duration-fast) var(--ease-out),
      color var(--duration-fast) var(--ease-out);
  }

  .stat:hover .stat-icon {
    opacity: 1;
    color: var(--stat-color);
  }

  .stat-contributions { --stat-color: var(--accent); }
  .stat-projects { --stat-color: #8b5cf6; }
  .stat-merged { --stat-color: #10b981; }
  .stat-platforms { --stat-color: #f59e0b; }

  .stat-value {
    font-size: var(--text-2xl);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--text);
    line-height: 1;
    transition: color var(--duration-fast) var(--ease-out);
  }

  .stat:hover .stat-value {
    color: var(--stat-color);
  }

  .stat-label {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  /* ---- Filters ---- */
  .filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
  }

  .filter-select {
    font-family: inherit;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: var(--space-2) var(--space-3);
    padding-right: var(--space-6);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    transition: border-color var(--duration-fast) var(--ease-out);
  }

  .filter-select:hover,
  .filter-select:focus-visible {
    border-color: var(--accent);
    outline: none;
  }

  .filter-select.has-value {
    color: var(--text);
    border-color: var(--accent);
  }

  .filter-clear {
    font-family: inherit;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border);
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
  }

  .filter-clear:hover {
    color: var(--text);
    border-color: var(--text-muted);
  }

  /* ---- Timeline ---- */
  .timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    position: relative;
  }

  .tl-entry {
    display: grid;
    grid-template-columns: 64px 24px 1fr;
    gap: 0 var(--space-2);
    position: relative;
  }

  .tl-entry[data-hidden] {
    display: none;
  }

  .tl-label-cell {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding-top: var(--space-5);
    padding-right: var(--space-2);
  }

  .tl-type-label {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
  }

  .ct-code .tl-type-label { color: var(--accent); }
  .ct-docs .tl-type-label { color: #10b981; }
  .ct-infra .tl-type-label { color: #f59e0b; }

  .tl-rail-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
  }

  .tl-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: var(--bg);
    position: relative;
    z-index: 2;
    margin-top: var(--space-5);
    flex-shrink: 0;
  }

  .ct-code .tl-dot { border-color: var(--accent); }
  .ct-docs .tl-dot { border-color: #10b981; }
  .ct-infra .tl-dot { border-color: #f59e0b; }

  .tl-rail-cell::after {
    content: "";
    position: absolute;
    top: calc(var(--space-5) + 12px);
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--border);
    transform: translateX(-50%);
    z-index: 1;
  }

  .tl-entry:last-child .tl-rail-cell::after { display: none; }

  .tl-card {
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    transition: border-color var(--duration-fast) var(--ease-out),
      box-shadow var(--duration-fast) var(--ease-out);
  }

  .tl-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow);
  }

  .tl-dates {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: var(--space-1);
    font-variant-numeric: tabular-nums;
    flex-wrap: wrap;
  }

  .tl-platform {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    color: var(--text-muted);
  }

  .project-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
  }

  .project-link:hover {
    color: var(--accent);
  }

  .tl-title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-2);
  }

  .contrib-link {
    color: var(--text);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
  }

  .contrib-link:hover {
    color: var(--accent);
  }

  .badge-row {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
  }

  .badge {
    display: inline-flex;
    align-items: center;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 2px var(--space-2);
    border: 1px solid var(--border);
    color: var(--text-muted);
  }

  .badge-merged {
    color: #10b981;
    border-color: #10b981;
    background: color-mix(in srgb, #10b981 10%, transparent);
  }

  .badge-open {
    color: #f59e0b;
    border-color: #f59e0b;
    background: color-mix(in srgb, #f59e0b 10%, transparent);
  }

  .badge-closed {
    color: var(--text-muted);
    border-color: var(--border);
    background: var(--bg-surface);
  }

  .badge-kind {
    color: var(--text-secondary);
  }

  .contrib-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
  }

  .related-issue-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
  }

  .related-issue-link:hover {
    color: var(--accent);
  }

  .empty-state {
    text-align: center;
    padding: var(--space-10) 0;
    font-size: var(--text-lg);
    color: var(--text-muted);
  }

  /* ---- Responsive ---- */
  @media (max-width: 768px) {
    .stats-bar {
      grid-template-columns: repeat(2, 1fr);
    }

    .tl-entry {
      grid-template-columns: 48px 16px 1fr;
    }

    .tl-type-label { font-size: 8px; }

    .tl-dot {
      width: 10px;
      height: 10px;
    }

    .tl-dates {
      flex-direction: column;
      align-items: flex-start;
      gap: var(--space-1);
    }

  }
</style>

<script>
  const selects = document.querySelectorAll<HTMLSelectElement>(".filter-select");
  const entries = document.querySelectorAll<HTMLElement>(".tl-entry[data-project]");
  const clearBtn = document.getElementById("clear-filters") as HTMLButtonElement;
  const showingStat = document.getElementById("stat-showing");
  const emptyState = document.getElementById("empty-state");
  const timeline = document.getElementById("timeline");

  function applyFilters() {
    const filters: Record<string, string> = {};
    selects.forEach((s) => {
      if (s.value) filters[s.dataset.filter!] = s.value;
      s.classList.toggle("has-value", !!s.value);
    });

    let visible = 0;
    entries.forEach((el) => {
      const match = Object.entries(filters).every(
        ([dim, val]) => el.dataset[dim] === val,
      );
      if (match) {
        el.removeAttribute("data-hidden");
        visible++;
      } else {
        el.setAttribute("data-hidden", "");
      }
    });

    if (showingStat) showingStat.textContent = String(visible);
    if (emptyState) emptyState.style.display = visible === 0 ? "" : "none";
    if (timeline) timeline.style.display = visible === 0 ? "none" : "";
    if (clearBtn) clearBtn.style.display = Object.keys(filters).length > 0 ? "" : "none";
  }

  selects.forEach((s) => s.addEventListener("change", applyFilters));

  if (clearBtn) {
    clearBtn.addEventListener("click", () => {
      selects.forEach((s) => { s.value = ""; s.classList.remove("has-value"); });
      applyFilters();
    });
  }
</script>