---
// biome-ignore-all lint/correctness/noUnusedImports: Astro template consumes component imports.
// biome-ignore-all lint/correctness/noUnusedVariables: Astro template consumes frontmatter values.
// apps/landing/src/components/LanguageSwitcher.astro
import { LANDING_LOCALES, nativeName, t } from "@/i18n";
import { localizeHref } from "@/lib/i18n-page";

interface Props {
  locale: string;
  path: string; // the un-prefixed page path, e.g. "/faq"
}

const { locale, path } = Astro.props;
const options = LANDING_LOCALES.map((code) => ({
  code,
  label: nativeName(code),
  href: localizeHref(code, path),
}));
---

<div class="relative" data-language-switcher>
  <button
    type="button"
    class="flex items-center gap-1.5 rounded-lg border border-border px-2.5 py-1.5 text-sm font-medium transition-colors hover:bg-background-alt"
    aria-haspopup="listbox"
    aria-expanded="false"
    aria-label={t(locale, "switcher.label")}
    data-switcher-button
  >
    <svg class="h-4 w-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
      <circle cx="12" cy="12" r="10" />
      <path d="M2 12h20" />
      <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>{nativeName(locale)}</span>
  </button>
  <ul
    class="absolute end-0 bottom-full z-50 mb-2 hidden max-h-80 w-44 overflow-y-auto rounded-xl border border-border bg-surface py-1.5 text-sm shadow-xl"
    role="listbox"
    data-switcher-menu
  >
    {options.map((o) => (
      <li>
        <a
          href={o.href}
          class="block px-4 py-2 text-foreground no-underline transition-colors hover:bg-primary-subtle"
          data-locale={o.code}
          aria-current={o.code === locale ? "true" : undefined}
        >
          {o.label}
        </a>
      </li>
    ))}
  </ul>
</div>

<script is:inline>
  (function () {
    document.querySelectorAll("[data-language-switcher]").forEach(function (root) {
      var btn = root.querySelector("[data-switcher-button]");
      var menu = root.querySelector("[data-switcher-menu]");
      if (!btn || !menu) return;
      btn.addEventListener("click", function () {
        var open = !menu.classList.contains("hidden");
        menu.classList.toggle("hidden");
        btn.setAttribute("aria-expanded", String(!open));
      });
      menu.querySelectorAll("a[data-locale]").forEach(function (a) {
        a.addEventListener("click", function () {
          try {
            localStorage.setItem("snapotter:locale", a.getAttribute("data-locale") || "en");
          } catch (e) {}
        });
      });
      document.addEventListener("click", function (e) {
        if (!root.contains(e.target)) {
          menu.classList.add("hidden");
          btn.setAttribute("aria-expanded", "false");
        }
      });
    });
  })();
</script>