---
/**
 * The Shelf: every board game. What is on the table (from the status log),
 * then the collection, filtered by how it plays, owned, want to play and
 * favorites, and sorted by last played, A to Z or recently added. Player
 * counts, play times and box art sync from BoardGameGeek (a cover set in the
 * note wins); no filter for them yet.
 */
import FilterGroup from "@gk/ui/components/FilterGroup.astro";
import GiltCorners from "@gk/ui/components/GiltCorners.astro";
import PageShell from "@gk/ui/components/PageShell.astro";
import SearchField from "@gk/ui/components/SearchField.astro";
import Star from "@gk/ui/components/Star.astro";
import StarChartArt from "@gk/ui/components/StarChartArt.astro";
import TickScale from "@gk/ui/components/TickScale.astro";
import FilterLayout from "../../components/library/FilterLayout.astro";
import GameCard from "../../components/library/GameCard.astro";
import LibraryHero from "../../components/library/LibraryHero.astro";
import RailGroup from "../../components/library/RailGroup.astro";
import { gameShows, minutesOf, onTheTable, playerOptions, playersOf, playStyles, searchText, shelfFilter, sortGames, sorts, timeOptions, type Game } from "../../lib/library.ts";
import { site } from "../../lib/page.ts";
import { formatDate, mediaSrc } from "../../lib/site.ts";

const s = await site();
const f = shelfFilter(Astro.url.searchParams);
const all = s.all("board-game");
const games = sortGames(all, f.sort);
const styles = playStyles(all);
const owned = all.filter((g) => g.data.owned).length;
const lede = s.pageText("/library/shelf")?.data.lede ?? "My board game collection. Filter by how it plays, sort by what hit the table last.";

const text = (g: Game) => searchText([g.title, g.data.blurb, ...(g.data.howItPlays ?? [])]);
const hasPost = (g: Game) => s.backlinks(g, { type: "post" }).length > 0;
const visible = new Set(games.filter((g) => gameShows(g, f, text(g), hasPost(g))).map((g) => g.slug));
// Players and play time come from BoardGameGeek; their pills wait for a sync.
const synced = { players: all.some((g) => playersOf(g)), time: all.some((g) => minutesOf(g) !== undefined) };
const anyPost = all.some(hasPost);
/** Games shown before "Show all", while no filter narrows the list. */
const FIRST = 12;
const narrowed = !!(f.q || f.plays.size || f.want || !f.owned || f.favorites || f.blog || f.players || f.time);
const folded = !narrowed && visible.size > FIRST;
const firstShown = new Set(games.filter((g) => visible.has(g.slug)).slice(0, FIRST).map((g) => g.slug));

// On the table: board-game statuses, then the most recent play not already listed.
const table: { label: string; game: Game; note?: string; live: boolean }[] = onTheTable(s).map(({ status, game }) => ({
  label: `${status.data.kind} now`,
  game,
  note: status.data.note,
  live: true,
}));
const recent = sortGames(all, "played").find((g) => g.data.lastPlayed && !table.some((t) => t.game.path === g.path));
if (recent) table.push({ label: "Played recently", game: recent, note: `Last played ${formatDate(recent.data.lastPlayed)}`, live: false });

const sortHref = (key: string) => {
  const p = new URLSearchParams(Astro.url.searchParams);
  p.set("sort", key);
  return `/library/shelf?${p}`;
};
---
<PageShell title="The Shelf" family="shelf" current="library" description="Greg's board game collection: what is on the table, how each one plays, and what hit the table last.">
  <Fragment slot="hero">
    <LibraryHero current="shelf" lede={lede} />
    <section aria-labelledby="sh-table" class="top">
      <div class="count gk-featured">
        <StarChartArt class="count-art" ratio="auto" seal="tria-prima" />
        <GiltCorners />
        <p class="count-text"><span class="num">{owned}</span><span>{owned === 1 ? "game" : "games"} on the shelf</span></p>
      </div>
      <div class="table">
        <div class="kick">
          <h2 id="sh-table"><Star size={14} />On the table</h2>
          <TickScale width={150} height={10} count={30} />
        </div>
        {
          table.length > 0 ? (
            <ul class="table-list">
              {table.map((t) => (
                <li>
                  <a href={`#${t.game.slug}`} class:list={["gk-card", "table-card", { live: t.live }]}>
                    <StarChartArt class="table-art" ratio="1 / 1" seal="tria-prima" src={mediaSrc(t.game.data.cover)} />
                    <span class="table-body">
                      <span class="table-label">{t.label}</span>
                      <span class="table-title">{t.game.title}</span>
                      {t.note && <span class="table-note">{t.note}</span>}
                    </span>
                  </a>
                </li>
              ))}
            </ul>
          ) : (
            <p class="quiet">Nothing on the table right now.</p>
          )
        }
      </div>
    </section>
  </Fragment>

  <FilterLayout action="/library/shelf" formId="shelf-filters">
    <Fragment slot="rail">
      <SearchField label="Search the Shelf" placeholder="Search games" value={f.q || undefined} />
      <input type="hidden" name="sort" value={f.sort} />
      {
        styles.length > 0 && (
          <RailGroup legend="How it plays">
            {styles.map((p) => <label class="check"><input type="checkbox" name="plays" value={p.toLowerCase()} checked={f.plays.has(p.toLowerCase())} />{p}</label>)}
          </RailGroup>
        )
      }
      {
        synced.players && (
          <RailGroup legend="Players" pills>
            <label class="gk-filter pill"><input type="radio" name="players" value="" checked={!f.players} class="sr" /><span class="gk-fs star"><Star size={9} /></span>Any</label>
            {playerOptions.map((o) => <label class="gk-filter pill"><input type="radio" name="players" value={o.key} checked={f.players === o.key} class="sr" /><span class="gk-fs star"><Star size={9} /></span>{o.label}</label>)}
          </RailGroup>
        )
      }
      {
        synced.time && (
          <RailGroup legend="Play time" pills>
            <label class="gk-filter pill"><input type="radio" name="time" value="" checked={!f.time} class="sr" /><span class="gk-fs star"><Star size={9} /></span>Any</label>
            {timeOptions.map((o) => <label class="gk-filter pill"><input type="radio" name="time" value={o.key} checked={f.time === o.key} class="sr" /><span class="gk-fs star"><Star size={9} /></span>{o.label}</label>)}
          </RailGroup>
        )
      }
      <RailGroup legend="Show">
        <label class="check"><input type="checkbox" name="owned" value="1" checked={f.owned} />Owned</label>
        <label class="check"><input type="checkbox" name="want" value="1" checked={f.want} />Want to play</label>
        <label class="check"><input type="checkbox" name="fav" value="1" checked={f.favorites} />Favorites only</label>
        {anyPost && <label class="check"><input type="checkbox" name="blog" value="1" checked={f.blog} />Has a blog post</label>}
      </RailGroup>
      {(synced.players || synced.time) && <p class="rail-note">Player counts and play times come from BoardGameGeek.</p>}
    </Fragment>

    <section aria-label="Games" class="games">
      <div class="bar">
        <p class="showing" aria-live="polite">Showing <strong data-count>{visible.size}</strong> <span data-noun>{visible.size === 1 ? "game" : "games"}</span></p>
        <div class="sort">
          <span class="sort-label" aria-hidden="true">Sort</span>
          <FilterGroup label="Sort" items={sorts.map((o) => ({ label: o.label, href: sortHref(o.key), active: o.key === f.sort, value: o.key }))} />
        </div>
      </div>
      <ul class="grid" data-grid>
        {games.map((g) => <GameCard game={g} site={s} hidden={!visible.has(g.slug) || (folded && !firstShown.has(g.slug))} />)}
      </ul>
      <button type="button" class="gk-text more" data-more hidden={!folded}>Show all {visible.size}</button>
      <p class="quiet" data-empty hidden={visible.size > 0}>No games on the Shelf match these filters.</p>
    </section>
  </FilterLayout>
</PageShell>

<style>
  .top {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: stretch;
    padding: 0 0 8px;
  }
  .count {
    position: relative;
    flex: 1 1 380px;
    min-width: 0;
    min-height: 200px;
    overflow: hidden;
  }
  .count :global(.count-art) {
    position: absolute;
    inset: 0;
    border-radius: 0;
  }
  .count::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(var(--gk-sky-rgb), 0.9), rgba(var(--gk-sky-rgb), 0.2));
  }
  .count-text {
    position: relative;
    z-index: 1;
    margin: 0;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
  }
  .num {
    font-family: var(--gk-font-display);
    font-weight: 700;
    font-size: 56px;
    line-height: 1;
    color: var(--gk-gold-bright);
  }
  .count :global(.gk-corner) {
    z-index: 1;
  }
  .table {
    flex: 2 1 520px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .kick {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .kick h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--gk-font-body);
    font-size: 11px;
    letter-spacing: 0.3em;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gk-gold-bright);
  }
  .table-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .table-list li {
    flex: 1 1 280px;
    min-width: 0;
    display: flex;
  }
  .table-card {
    flex: 1;
    flex-direction: row;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
  }
  .table-card.live {
    border-color: var(--gk-gold);
  }
  .table-card :global(.table-art) {
    flex: 0 0 56px;
    width: 56px;
    border-radius: 8px;
  }
  .table-card :global(.table-art .mat) {
    display: none;
  }
  .table-card :global(.table-art .seal) {
    width: 34px;
    height: 34px;
  }
  .table-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .table-label {
    font-size: 11px;
    letter-spacing: 0.16em;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gk-gold-bright);
  }
  .table-title {
    font-family: var(--gk-font-display);
    font-weight: 700;
    font-size: 16px;
  }
  .table-note,
  .quiet {
    margin: 0;
    font-size: 13px;
    color: var(--gk-muted);
  }
  .rail-note {
    margin: 0;
    font-size: 12px;
    line-height: 1.5;
    color: var(--gk-muted);
  }
  .sr {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
  }
  .pill {
    position: relative;
  }
  .pill:has(:checked) {
    border-color: var(--gk-gold);
    background: var(--gk-gold-tint);
    color: var(--gk-text);
  }
  .pill:has(:checked) .star {
    display: inline-flex;
  }
  .pill:has(:focus-visible) {
    outline: 2px solid var(--gk-gold);
    outline-offset: 3px;
  }
  .more {
    align-self: center;
  }
  .games {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }
  .bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  .showing {
    margin: 0;
    font-size: 14px;
    color: var(--gk-muted);
  }
  .showing strong {
    color: var(--gk-text);
  }
  .sort {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }
  .sort-label {
    font-size: 13px;
    color: var(--gk-muted);
    margin-right: 4px;
  }
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  @media (max-width: 480px) {
    .grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }
  }
</style>

<script>
  // Live filtering and sorting: the same rules as the server, on the rendered cards.
  const form = document.getElementById("shelf-filters") as HTMLFormElement | null;
  const grid = document.querySelector<HTMLElement>("[data-grid]");
  if (form && grid) {
    const cards = [...grid.children] as HTMLElement[];
    const text = new Map(cards.map((c) => [c, (c.querySelector(".body")?.textContent ?? "").toLowerCase()]));
    const title = (c: HTMLElement) => c.querySelector("h3")?.textContent?.trim() ?? "";
    const sortInput = form.querySelector<HTMLInputElement>('input[name="sort"]')!;
    const sortLinks = [...document.querySelectorAll<HTMLAnchorElement>(".sort .gk-filter")];
    const count = document.querySelector("[data-count]");
    const noun = document.querySelector("[data-noun]");
    const empty = document.querySelector<HTMLElement>("[data-empty]");
    form.querySelector("[data-nojs]")?.remove();

    const desc = (k: "lp" | "c") => (a: HTMLElement, b: HTMLElement) => (b.dataset[k] ?? "").localeCompare(a.dataset[k] ?? "") || title(a).localeCompare(title(b));
    const orders: Record<string, (a: HTMLElement, b: HTMLElement) => number> = {
      played: desc("lp"),
      az: (a, b) => title(a).localeCompare(title(b)),
      added: desc("c"),
      time: (a, b) => Number(a.dataset.t || Infinity) - Number(b.dataset.t || Infinity) || title(a).localeCompare(title(b)),
    };
    const FIRST = 12;
    const more = document.querySelector<HTMLButtonElement>("[data-more]");
    const players: Record<string, [number, number]> = { "1": [1, 1], "2": [2, 2], "3-4": [3, 4], "5+": [5, Infinity] };
    const times: Record<string, [number, number]> = { short: [0, 29], mid: [30, 60], long: [61, Infinity] };
    let expanded = false;

    const apply = () => {
      const data = new FormData(form);
      const q = String(data.get("q") ?? "").trim().toLowerCase();
      const plays = data.getAll("plays").map(String);
      const owned = data.has("owned");
      const want = data.has("want");
      const fav = data.has("fav");
      const blog = data.has("blog");
      const seat = players[String(data.get("players") ?? "")];
      const time = times[String(data.get("time") ?? "")];
      const narrowed = !!(q || plays.length || want || !owned || fav || blog || seat || time);
      let n = 0;
      for (const c of [...grid.children] as HTMLElement[]) {
        const d = c.dataset;
        const [lo, hi] = (d.pl ?? "").split("-").map(Number);
        const t = d.t ? Number(d.t) : NaN;
        const ok =
          (!(owned || want) || (owned && !!d.o) || (want && !!d.w)) &&
          (!fav || !!d.f) &&
          (!blog || !!d.b) &&
          (!seat || (!!d.pl && lo! <= seat[1] && hi! >= seat[0])) &&
          (!time || (t >= time[0] && t <= time[1])) &&
          (!plays.length || (d.p ?? "").split("|").some((p) => plays.includes(p))) &&
          (!q || text.get(c)!.includes(q));
        if (ok) n++;
        c.hidden = !ok || (!narrowed && !expanded && n > FIRST);
      }
      if (more) {
        more.hidden = narrowed || expanded || n <= FIRST;
        more.textContent = `Show all ${n}`;
      }
      if (count) count.textContent = String(n);
      if (noun) noun.textContent = n === 1 ? "game" : "games";
      if (empty) empty.hidden = n > 0;
    };

    const sort = (key: string) => {
      sortInput.value = key;
      grid.append(...[...cards].sort(orders[key] ?? orders.played));
      apply();
    };

    more?.addEventListener("click", () => {
      expanded = true;
      apply();
    });
    // Opening an anchor to a folded-away card unfolds the grid first.
    const reveal = () => {
      const target = location.hash && document.getElementById(decodeURIComponent(location.hash.slice(1)));
      if (target && target.hidden && cards.includes(target)) {
        expanded = true;
        apply();
        target.scrollIntoView();
      }
    };
    addEventListener("hashchange", reveal);
    reveal();
    form.addEventListener("input", apply);
    form.addEventListener("submit", (e) => {
      e.preventDefault();
      apply();
    });
    for (const a of sortLinks) {
      a.addEventListener("click", (e) => {
        e.preventDefault();
        const key = new URL(a.href).searchParams.get("sort") ?? "played";
        sortLinks.forEach((l) => (l === a ? l.setAttribute("aria-current", "page") : l.removeAttribute("aria-current")));
        history.replaceState(null, "", a.href);
        sort(key);
      });
    }
  }
</script>