// assets/js/ui-tools.js
// Öffnet API-Health (JSON), DB-Doctor (Iframe) & beliebige JSON-GETs im Popup,
// ohne die Seite zu verlassen. Links bleiben als Fallback nutzbar.

(function () {
  const dlg   = document.getElementById('toolsDialog');
  if (!dlg) return;

  const title   = document.getElementById('toolsTitle');
  const btnX    = document.getElementById('toolsClose');
  const btnCopy = document.getElementById('toolsCopy');
  const btnDl   = document.getElementById('toolsDownload');

  const jsonWrap = document.getElementById('toolsJsonWrap');
  const jsonPre  = document.getElementById('toolsJsonPre');
  const frame    = document.getElementById('toolsFrame');

  function showJson(obj, ttl) {
    title.textContent = ttl || 'Antwort (JSON)';
    const txt = (typeof obj === 'string') ? obj : JSON.stringify(obj, null, 2);
    jsonPre.textContent = txt;
    jsonWrap.classList.remove('hidden');
    frame.classList.add('hidden');
    btnCopy.classList.remove('hidden');
    btnDl.classList.remove('hidden');
    try { dlg.showModal(); } catch {}
  }

  function showFrame(url, ttl) {
    title.textContent = ttl || 'Werkzeug';
    frame.src = url + (url.includes('?') ? '&' : '?') + 't=' + Date.now();
    frame.classList.remove('hidden');
    jsonWrap.classList.add('hidden');
    btnCopy.classList.add('hidden');
    btnDl.classList.add('hidden');
    try { dlg.showModal(); } catch {}
  }

  btnX?.addEventListener('click', () => {
    try { dlg.close(); } catch {}
    frame.src = 'about:blank';
  });

  btnCopy?.addEventListener('click', async () => {
    const txt = jsonPre.textContent || '';
    try {
      await navigator.clipboard.writeText(txt);
      // optional: kleines Feedback
      (window.Toast?.show || window.toast || (()=>{}))('In Zwischenablage kopiert');
    } catch {}
  });

  btnDl?.addEventListener('click', () => {
    const blob = new Blob([jsonPre.textContent || ''], { type:'application/json;charset=utf-8' });
    const a = document.createElement('a');
    a.href = URL.createObjectURL(blob);
    const stamp = new Date().toISOString().replace(/[:.]/g,'-');
    a.download = `response-${stamp}.json`;
    document.body.appendChild(a);
    a.click();
    setTimeout(()=>{ URL.revokeObjectURL(a.href); a.remove(); }, 0);
  });

  // ------------------------------------------------------------
  // 1) Offizieller Weg: Links mit data-popup="json" | "frame"
  // ------------------------------------------------------------
  document.addEventListener('click', async (ev) => {
    const a = ev.target.closest('a[data-popup]');
    if (!a) return;

    const mode  = (a.getAttribute('data-popup') || '').toLowerCase();
    const href  = a.getAttribute('href') || '#';
    const ttl   = a.getAttribute('data-title') || a.textContent.trim() || 'Werkzeug';

    if (!/^json|frame$/.test(mode)) return;
    // Cmd/Strg-Klick & Mittelklick respektieren (neuer Tab)
    if (ev.metaKey || ev.ctrlKey || ev.button === 1) return;

    ev.preventDefault();

    if (mode === 'frame') {
      showFrame(href, ttl);
      return;
    }

    // mode === 'json'
    try {
      const r = await fetch(href, { credentials: 'include' });
      const txt = await r.text();
      let data = null;
      try { data = JSON.parse(txt); } catch { data = txt; }
      showJson(data, ttl);
    } catch (e) {
      showJson({ ok:false, error: String(e) }, ttl);
    }
  });

  // ------------------------------------------------------------
  // 2) Fallback: *alle* API-GET-Links (action=get) ohne data-popup
  //    -> automatisch im JSON-Popup öffnen
  // ------------------------------------------------------------
  document.addEventListener('click', async (ev) => {
    const a = ev.target.closest('a');
    if (!a) return;
    // bereits oben behandelt
    if (a.hasAttribute('data-popup')) return;

    const href = a.getAttribute('href') || '';
    // nur api.php-GET-Routen mit action=get abfangen
    if (!/api\.php/i.test(href) || !/[?&]action=get(&|$)/i.test(href)) return;

    // Cmd/Strg/Mittelklick respektieren
    if (ev.metaKey || ev.ctrlKey || ev.button === 1) return;

    ev.preventDefault();

    const makeTitle = () => {
      try {
        const u = new URL(href, location.href);
        const res = u.searchParams.get('resource') || 'resource';
        const id  = u.searchParams.get('id') || '';
        // Optional: Name aus data-title wenn vorhanden
        const custom = a.getAttribute('data-title');
        return custom || `GET ${res}${id ? ` #${id}` : ''}`;
      } catch { return 'GET'; }
    };

    const title = makeTitle();

    // Popup öffnen (wie oben)
    try {
      const r = await fetch(href, { credentials: 'include' });
      const txt = await r.text();
      let data = null;
      try { data = JSON.parse(txt); } catch { data = txt; }
      showJson(data, title);
    } catch (e) {
      showJson({ ok:false, error: String(e) }, title);
    }
  }, true);

  // Utility: Öffnen aus Code
  window.AdminTools = {
    openJson(url, title) {
      fetch(url, { credentials: 'include' })
        .then(r => r.text())
        .then(txt => {
          try { showJson(JSON.parse(txt), title); }
          catch { showJson(txt, title); }
        })
        .catch(err => showJson({ ok:false, error:String(err) }, title));
    },
    openFrame(url, title) {
      showFrame(url, title);
    }
  };
})();