import Link from 'next/link';
import { StatusCard } from '@/components/admin/dashboard';
import { siteSettings } from '@/lib/services/site-settings';
import { requireStaff } from '@/lib/admin/guard';
import { EmbedSnippet } from './embed-snippet';

export const dynamic = 'force-dynamic';

export const metadata = { title: 'Radio Embed' };

export default async function AdminRadioEmbedPage() {
  await requireStaff();

  // Read radio embed-related website_settings. siteSettings.get() already
  // swallows DB errors and serves fallbacks, but wrap defensively anyway so a
  // throw never blanks the page.
  let streamUrl = '';
  let radioName = 'Radio';
  let nowPlayingApiUrl = '';
  try {
    streamUrl = (await siteSettings.get('radio_stream_url', '')) ?? '';
    radioName =
      (await siteSettings.get('radio_name', null)) ??
      (await siteSettings.get('hotel_name', 'Radio')) ??
      'Radio';
    nowPlayingApiUrl = (await siteSettings.get('radio_now_playing_api_url', '')) ?? '';
  } catch {
    streamUrl = '';
  }

  streamUrl = streamUrl.trim();
  nowPlayingApiUrl = nowPlayingApiUrl.trim();
  const hasStream = streamUrl !== '';

  // Copy-ready embed snippets. Built server-side from the configured stream URL
  // so what staff copy matches what the preview renders.
  const audioSnippet = hasStream
    ? `<audio controls preload="none" src="${streamUrl}">\n  Your browser does not support the audio element.\n</audio>`
    : '';

  const iframeSnippet = hasStream
    ? `<iframe\n  src="/radio/embed"\n  title="${radioName}"\n  width="320"\n  height="120"\n  frameborder="0"\n  allow="autoplay"\n  style="border:0;border-radius:8px;overflow:hidden"\n></iframe>`
    : '';

  return (
    <main>
      <nav className="muted" style={{ marginBottom: '0.5rem' }}>
        <Link href="/admin/radio">Radio</Link> ·{' '}
        <Link href="/admin/radio/settings">Settings</Link> ·{' '}
        <Link href="/admin/radio/embed">Embed</Link> ·{' '}
        <Link href="/admin/radio/banners">Banners</Link> ·{' '}
        <Link href="/admin/radio/ranks">Ranks</Link> ·{' '}
        <Link href="/admin/radio/history">History</Link>
      </nav>

      <section className="admin-section">
        <h1>Radio Embed</h1>
        <p className="muted" style={{ marginTop: '-0.4rem' }}>
          Copy-ready embed code for the live stream. Read-only — nothing here
          writes to the database. Configure the stream URL in{' '}
          <Link href="/admin/radio/settings">Radio Settings</Link> (
          <code>radio_stream_url</code>).
        </p>

        <div className="admin-stats">
          <StatusCard
            label="Stream URL"
            value={hasStream ? 'Configured' : 'Missing'}
            state={hasStream ? 'ok' : 'danger'}
            icon="📻"
          />
          <StatusCard label="Radio name" value={radioName} icon="🎙️" />
          <StatusCard
            label="Now-playing API"
            value={nowPlayingApiUrl ? 'Set' : 'Not set'}
            state={nowPlayingApiUrl ? 'ok' : 'neutral'}
            icon="🎵"
          />
        </div>
      </section>

      {!hasStream ? (
        <section className="admin-section">
          <h2>No stream URL configured</h2>
          <p className="muted">
            There is no <code>radio_stream_url</code> set, so there is nothing to
            embed yet. Open{' '}
            <Link href="/admin/radio/settings">Radio Settings</Link> and fill in
            the <strong>Main stream URL</strong> field under{' '}
            <em>AzureCast &amp; Stream</em>. Once saved, return here to copy the
            embed snippet and preview the player.
          </p>
          <p>
            <Link href="/admin/radio/settings" className="btn btn-primary">
              Go to Radio Settings
            </Link>
          </p>
        </section>
      ) : (
        <>
          <section className="admin-section">
            <h2>Live preview</h2>
            <p className="muted" style={{ marginTop: '-0.4rem' }}>
              This is the bare <code>&lt;audio&gt;</code> player as visitors will
              see it. Press play to confirm the stream is reachable.
            </p>
            <div className="card">
              {/* eslint-disable-next-line jsx-a11y/media-has-caption */}
              <audio controls preload="none" src={streamUrl} style={{ width: '100%' }}>
                Your browser does not support the audio element.
              </audio>
              <p className="muted" style={{ margin: '0.5rem 0 0', wordBreak: 'break-all' }}>
                Source: <code>{streamUrl}</code>
              </p>
            </div>
          </section>

          <EmbedSnippet
            title="Audio player snippet"
            description="Drop-in HTML5 audio player pointed straight at the stream. Works anywhere plain HTML is allowed."
            snippet={audioSnippet}
          />

          <EmbedSnippet
            title="Iframe wrapper snippet"
            description="Embeds the site's own radio player page in an iframe — keeps your styling and now-playing info. Adjust width/height to taste."
            snippet={iframeSnippet}
          />
        </>
      )}
    </main>
  );
}