kochwas/src/routes/+layout.svelte

<script lang="ts">
  import { onMount } from 'svelte';
  import { page } from '$app/stores';
  import { goto, afterNavigate } from '$app/navigation';
  import { Settings, CookingPot, Utensils, Menu, BookOpen, ArrowLeft } from 'lucide-svelte';
  import { profileStore } from '$lib/client/profile.svelte';
  import { wishlistStore } from '$lib/client/wishlist.svelte';
  import { pwaStore } from '$lib/client/pwa.svelte';
  import { searchFilterStore } from '$lib/client/search-filter.svelte';
  import ProfileSwitcher from '$lib/components/ProfileSwitcher.svelte';
  import ConfirmDialog from '$lib/components/ConfirmDialog.svelte';
  import SearchLoader from '$lib/components/SearchLoader.svelte';
  import SearchFilter from '$lib/components/SearchFilter.svelte';
  import UpdateToast from '$lib/components/UpdateToast.svelte';
  import Toast from '$lib/components/Toast.svelte';
  import SyncIndicator from '$lib/components/SyncIndicator.svelte';
  import { network } from '$lib/client/network.svelte';
  import { installPrompt } from '$lib/client/install-prompt.svelte';
  import { registerServiceWorker } from '$lib/client/sw-register';
  import type { SearchHit } from '$lib/server/recipes/search-local';
  import type { WebHit } from '$lib/server/search/searxng';

  let { children } = $props();

  const NAV_PAGE_SIZE = 30;

  let navQuery = $state('');
  let navHits = $state<SearchHit[]>([]);
  let navWebHits = $state<WebHit[]>([]);
  let navSearching = $state(false);
  let navWebSearching = $state(false);
  let navWebError = $state<string | null>(null);
  let navOpen = $state(false);
  let navLocalExhausted = $state(false);
  let navWebPageno = $state(0);
  let navWebExhausted = $state(false);
  let navLoadingMore = $state(false);
  let navContainer: HTMLElement | undefined = $state();
  let debounceTimer: ReturnType<typeof setTimeout> | null = null;
  let menuOpen = $state(false);
  let menuContainer: HTMLElement | undefined = $state();

  const showHeaderSearch = $derived(
    $page.url.pathname.startsWith('/recipes/') || $page.url.pathname === '/preview'
  );

  function filterParam(): string {
    const p = searchFilterStore.queryParam;
    return p ? `&domains=${encodeURIComponent(p)}` : '';
  }

  $effect(() => {
    const q = navQuery.trim();
    if (debounceTimer) clearTimeout(debounceTimer);
    if (q.length <= 3) {
      navHits = [];
      navWebHits = [];
      navSearching = false;
      navWebSearching = false;
      navWebError = null;
      navOpen = false;
      navLocalExhausted = false;
      navWebPageno = 0;
      navWebExhausted = false;
      return;
    }
    navSearching = true;
    navWebHits = [];
    navWebSearching = false;
    navWebError = null;
    navOpen = true;
    navLocalExhausted = false;
    navWebPageno = 0;
    navWebExhausted = false;
    debounceTimer = setTimeout(async () => {
      try {
        const res = await fetch(
          `/api/recipes/search?q=${encodeURIComponent(q)}&limit=${NAV_PAGE_SIZE}${filterParam()}`
        );
        const body = await res.json();
        if (navQuery.trim() !== q) return;
        navHits = body.hits;
        if (navHits.length < NAV_PAGE_SIZE) navLocalExhausted = true;
        if (navHits.length === 0) {
          navWebSearching = true;
          try {
            const wres = await fetch(
              `/api/recipes/search/web?q=${encodeURIComponent(q)}&pageno=1${filterParam()}`
            );
            if (navQuery.trim() !== q) return;
            if (!wres.ok) {
              const err = await wres.json().catch(() => ({}));
              navWebError = err.message ?? `HTTP ${wres.status}`;
              navWebExhausted = true;
            } else {
              const wbody = await wres.json();
              navWebHits = wbody.hits;
              navWebPageno = 1;
              if (navWebHits.length === 0) navWebExhausted = true;
            }
          } finally {
            if (navQuery.trim() === q) navWebSearching = false;
          }
        }
      } finally {
        if (navQuery.trim() === q) navSearching = false;
      }
    }, 300);
  });

  async function loadMoreNav() {
    if (navLoadingMore) return;
    const q = navQuery.trim();
    if (!q) return;
    navLoadingMore = true;
    try {
      if (!navLocalExhausted) {
        const res = await fetch(
          `/api/recipes/search?q=${encodeURIComponent(q)}&limit=${NAV_PAGE_SIZE}&offset=${navHits.length}${filterParam()}`
        );
        const body = await res.json();
        if (navQuery.trim() !== q) return;
        const more = body.hits as SearchHit[];
        const seen = new Set(navHits.map((h) => h.id));
        const deduped = more.filter((h) => !seen.has(h.id));
        navHits = [...navHits, ...deduped];
        if (more.length < NAV_PAGE_SIZE) navLocalExhausted = true;
      } else if (!navWebExhausted) {
        const nextPage = navWebPageno + 1;
        navWebSearching = navWebHits.length === 0;
        try {
          const wres = await fetch(
            `/api/recipes/search/web?q=${encodeURIComponent(q)}&pageno=${nextPage}${filterParam()}`
          );
          if (navQuery.trim() !== q) return;
          if (!wres.ok) {
            const err = await wres.json().catch(() => ({}));
            navWebError = err.message ?? `HTTP ${wres.status}`;
            navWebExhausted = true;
            return;
          }
          const wbody = await wres.json();
          const more = wbody.hits as WebHit[];
          const seen = new Set(navWebHits.map((h) => h.url));
          const deduped = more.filter((h) => !seen.has(h.url));
          if (deduped.length === 0) {
            navWebExhausted = true;
          } else {
            navWebHits = [...navWebHits, ...deduped];
            navWebPageno = nextPage;
          }
        } finally {
          if (navQuery.trim() === q) navWebSearching = false;
        }
      }
    } finally {
      navLoadingMore = false;
    }
  }

  function submitNav(e: SubmitEvent) {
    e.preventDefault();
    const q = navQuery.trim();
    if (!q) return;
    navOpen = false;
    void goto(`/?q=${encodeURIComponent(q)}`);
  }

  function handleClickOutside(e: MouseEvent) {
    if (navContainer && !navContainer.contains(e.target as Node)) {
      navOpen = false;
    }
    if (menuContainer && !menuContainer.contains(e.target as Node)) {
      menuOpen = false;
    }
  }

  function handleKey(e: KeyboardEvent) {
    if (e.key === 'Escape') {
      if (navOpen) navOpen = false;
      if (menuOpen) menuOpen = false;
    }
  }

  function pickHit() {
    navOpen = false;
    navQuery = '';
    navHits = [];
    navWebHits = [];
  }

  afterNavigate(() => {
    navQuery = '';
    navHits = [];
    navWebHits = [];
    navOpen = false;
    menuOpen = false;
    // Badge nach jeder Client-Navigation frisch halten — sonst kann er
    // hinter den tatsächlichen Wunschliste-Einträgen herlaufen, wenn
    // auf einem anderen Gerät oder in einem anderen Tab etwas geändert
    // wurde.
    void wishlistStore.refresh();
  });

  onMount(() => {
    profileStore.load();
    void wishlistStore.refresh();
    void searchFilterStore.load();
    void pwaStore.init();
    network.init();
    installPrompt.init();
    void registerServiceWorker();
    document.addEventListener('click', handleClickOutside);
    document.addEventListener('keydown', handleKey);
    return () => {
      document.removeEventListener('click', handleClickOutside);
      document.removeEventListener('keydown', handleKey);
    };
  });
</script>

<Toast />
<SyncIndicator />
<ConfirmDialog />
<UpdateToast />

<header class="bar">
  <div class="bar-inner">
    {#if $page.url.pathname === '/'}
      <a href="/" class="brand">Kochwas</a>
    {:else}
      <a href="/" class="home-back" aria-label="Zurück zur Startseite">
        <ArrowLeft size={22} strokeWidth={2} />
      </a>
    {/if}
    {#if showHeaderSearch}
      <div class="nav-search-wrap" bind:this={navContainer}>
        <form class="nav-search" onsubmit={submitNav} role="search">
          <SearchFilter inline />
          <input
            type="search"
            bind:value={navQuery}
            onfocus={() => {
              if (navHits.length > 0 || navQuery.trim().length > 3) navOpen = true;
            }}
            placeholder="Rezept suchen…"
            autocomplete="off"
            inputmode="search"
            aria-label="Suchbegriff"
          />
        </form>
        {#if navOpen}
          <div class="dropdown" role="listbox">
            {#if navSearching && navHits.length === 0 && navWebHits.length === 0}
              <SearchLoader scope="local" size="sm" />
            {:else}
              {#if navHits.length > 0}
                <ul class="dd-list">
                  {#each navHits as r (r.id)}
                    <li>
                      <a
                        href={`/recipes/${r.id}`}
                        class="dd-item"
                        onclick={pickHit}
                        role="option"
                        aria-selected="false"
                      >
                        {#if r.image_path}
                          <img src={`/images/${r.image_path}`} alt="" loading="lazy" />
                        {:else}
                          <div class="dd-placeholder"><CookingPot size={22} /></div>
                        {/if}
                        <div class="dd-body">
                          <div class="dd-title">{r.title}</div>
                          {#if r.source_domain}
                            <div class="dd-domain">{r.source_domain}</div>
                          {/if}
                        </div>
                      </a>
                    </li>
                  {/each}
                </ul>
              {/if}

              {#if navWebHits.length > 0}
                {#if navHits.length > 0}
                  <p class="dd-section">Aus dem Internet</p>
                {:else}
                  <p class="dd-section">Keine lokalen Rezepte – aus dem Internet:</p>
                {/if}
                <ul class="dd-list">
                  {#each navWebHits as w (w.url)}
                    <li>
                      <a
                        href={`/preview?url=${encodeURIComponent(w.url)}`}
                        class="dd-item"
                        onclick={pickHit}
                        role="option"
                        aria-selected="false"
                      >
                        {#if w.thumbnail}
                          <img src={w.thumbnail} alt="" loading="lazy" />
                        {:else}
                          <div class="dd-placeholder"><Utensils size={22} /></div>
                        {/if}
                        <div class="dd-body">
                          <div class="dd-title">{w.title}</div>
                          <div class="dd-domain">{w.domain}</div>
                        </div>
                      </a>
                    </li>
                  {/each}
                </ul>
              {/if}

              {#if navWebSearching}
                <SearchLoader scope="web" size="sm" />
              {:else if navWebError && navWebHits.length === 0}
                <p class="dd-status dd-error">Internet-Suche zurzeit nicht möglich.</p>
              {:else if navHits.length === 0 && navWebHits.length === 0 && !navSearching}
                <p class="dd-status">Auch im Internet nichts gefunden.</p>
              {/if}

              {#if !(navLocalExhausted && navWebExhausted) && (navHits.length > 0 || navWebHits.length > 0)}
                <button
                  class="dd-web"
                  type="button"
                  onclick={loadMoreNav}
                  disabled={navLoadingMore || navWebSearching}
                >
                  <span
                    >{navLoadingMore || navWebSearching
                      ? 'Lade …'
                      : '+ weitere Ergebnisse'}</span
                  >
                </button>
              {/if}
            {/if}
          </div>
        {/if}
      </div>
    {/if}
    <div class="bar-right">
      <a
        href="/wishlist"
        class="nav-link wishlist-link"
        aria-label={wishlistStore.count > 0
          ? `Wunschliste (${wishlistStore.count})`
          : 'Wunschliste'}
      >
        <CookingPot size={20} strokeWidth={2} />
        {#if wishlistStore.count > 0}
          <span class="badge">{wishlistStore.count}</span>
        {/if}
      </a>
      <div class="menu-wrap" bind:this={menuContainer}>
        <button
          class="nav-link"
          aria-label="Menü"
          aria-haspopup="menu"
          aria-expanded={menuOpen}
          onclick={() => (menuOpen = !menuOpen)}
        >
          <Menu size={22} strokeWidth={2} />
        </button>
        {#if menuOpen}
          <div class="menu" role="menu">
            <a href="/recipes" class="menu-item" role="menuitem" onclick={() => (menuOpen = false)}>
              <BookOpen size={18} strokeWidth={2} />
              <span>Register</span>
            </a>
            <a href="/admin" class="menu-item" role="menuitem" onclick={() => (menuOpen = false)}>
              <Settings size={18} strokeWidth={2} />
              <span>Einstellungen</span>
            </a>
          </div>
        {/if}
      </div>
      <ProfileSwitcher />
    </div>
  </div>
</header>

<main>
  {@render children()}
</main>

<style>
  :global(:root) {
    --pill-radius: 999px;
  }
  :global(html, body) {
    margin: 0;
    padding: 0;
    background: #f8faf8;
    color: #1a1a1a;
    font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
  }
  :global(a) {
    color: #2b6a3d;
  }
  :global(*) {
    box-sizing: border-box;
  }
  .bar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: white;
    border-bottom: 1px solid #e4eae7;
  }
  .bar-inner {
    max-width: 1040px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    position: relative;
  }
  .brand {
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    color: #2b6a3d;
    flex-shrink: 0;
  }
  .home-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--pill-radius);
    color: #2b6a3d;
    text-decoration: none;
    flex-shrink: 0;
  }
  .home-back:hover {
    background: #f4f8f5;
  }
  .nav-search-wrap {
    position: relative;
    flex: 1;
    min-width: 0;
  }
  .nav-search {
    display: flex;
    align-items: stretch;
    border: 1px solid #cfd9d1;
    border-radius: 12px;
    background: white;
    min-height: 40px;
  }
  .nav-search:focus-within {
    outline: 2px solid #2b6a3d;
    outline-offset: 1px;
  }
  .nav-search input {
    flex: 1;
    width: 100%;
    padding: 0.55rem 0.85rem;
    font-size: 0.95rem;
    border: 0;
    background: transparent;
    min-width: 0;
  }
  .nav-search input:focus {
    outline: none;
  }
  .dropdown {
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e4eae7;
    border-radius: 12px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
    max-height: 70vh;
    overflow-y: auto;
    z-index: 50;
  }
  .dd-list {
    list-style: none;
    padding: 0.35rem;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
  }
  .dd-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 0.55rem;
    text-decoration: none;
    color: #1a1a1a;
    border-radius: 10px;
    min-height: 52px;
  }
  .dd-item:hover {
    background: #f4f8f5;
  }
  .dd-item img,
  .dd-placeholder {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: 8px;
    background: #eef3ef;
    display: grid;
    place-items: center;
    font-size: 1.3rem;
    flex-shrink: 0;
  }
  .dd-body {
    min-width: 0;
    flex: 1;
  }
  .dd-title {
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.25;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .dd-domain {
    font-size: 0.78rem;
    color: #888;
    margin-top: 0.1rem;
  }
  .dd-status {
    text-align: center;
    color: #888;
    padding: 0.9rem 0.6rem;
    margin: 0;
    font-size: 0.9rem;
  }
  .dd-error {
    color: #c53030;
  }
  .dd-section {
    margin: 0;
    padding: 0.6rem 0.85rem 0.3rem;
    font-size: 0.8rem;
    color: #888;
    border-bottom: 1px solid #f0f3f1;
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }
  .dd-web {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 0.85rem;
    border: 0;
    border-top: 1px solid #e4eae7;
    text-decoration: none;
    color: #2b6a3d;
    font-size: 0.95rem;
    background: #fafdfb;
    width: 100%;
    cursor: pointer;
    font-family: inherit;
  }
  .dd-web:hover:not(:disabled) {
    background: #eaf4ed;
  }
  .dd-web:disabled {
    opacity: 0.6;
    cursor: progress;
  }
  .bar-right {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
    margin-left: auto;
  }
  .menu-wrap {
    position: relative;
  }
  .menu-wrap > .nav-link {
    background: transparent;
    border: 0;
    cursor: pointer;
    color: #2b6a3d;
  }
  .menu {
    position: absolute;
    top: calc(100% + 0.35rem);
    right: 0;
    background: white;
    border: 1px solid #e4eae7;
    border-radius: 12px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
    min-width: 180px;
    padding: 0.3rem;
    z-index: 55;
    display: flex;
    flex-direction: column;
  }
  .menu-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    text-decoration: none;
    color: #1a1a1a;
    font-size: 0.95rem;
    min-height: 44px;
  }
  .menu-item:hover {
    background: #f4f8f5;
  }
  .nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--pill-radius);
    text-decoration: none;
    font-size: 1.15rem;
    position: relative;
  }
  .nav-link:hover {
    background: #f4f8f5;
  }
  .badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: var(--pill-radius);
    background: #c53030;
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
    box-shadow: 0 0 0 2px white;
    pointer-events: none;
  }
  main {
    padding: 0 1rem 4rem;
    max-width: 1040px;
    margin: 0 auto;
  }
  @media (max-width: 520px) {
    /* App-Icon auf engen Screens komplett aus — die Suche bekommt den Platz. */
    .brand {
      display: none;
    }
    .nav-link {
      width: 36px;
      height: 36px;
      font-size: 1.05rem;
    }
    /* Beim Tippen auf engen Screens nach rechts ausdehnen
       und die Action-Icons dahinter verschwinden lassen. */
    .nav-search-wrap:focus-within {
      position: absolute;
      top: 0.6rem;
      bottom: 0.6rem;
      left: 1rem;
      right: 1rem;
      z-index: 60;
    }
    .nav-search-wrap:focus-within .nav-search input {
      background: white;
    }
  }
</style>