/* AES-Suite Live-Monitoring — pollt monitor.json und rendert Dienste +
   Backends grafisch. Von /static ausgeliefert (CSP script-src 'self'). */
(function () {
  "use strict";
  var root = document.getElementById("aes-monitor");
  if (!root) return;
  var src = root.getAttribute("data-src") || "/erweiterungen/aes/monitor.json";
  var INTERVAL = 5000;

  function el(tag, cls, text) {
    var e = document.createElement(tag);
    if (cls) e.className = cls;
    if (text != null) e.textContent = text;
    return e;
  }

  function bar(label, pct) {
    var wrap = el("div", "sz");
    wrap.style.margin = "2px 0";
    var v = Math.max(0, Math.min(100, Math.round(pct || 0)));
    wrap.appendChild(document.createTextNode(label + " "));
    var track = el("span");
    track.style.display = "inline-block";
    track.style.width = "120px";
    track.style.height = "8px";
    track.style.borderRadius = "4px";
    track.style.background = "var(--border, #333)";
    track.style.verticalAlign = "middle";
    track.style.margin = "0 6px";
    var fill = el("span");
    fill.style.display = "block";
    fill.style.height = "8px";
    fill.style.borderRadius = "4px";
    fill.style.width = v + "%";
    fill.style.background = v > 85 ? "#d9534f" : (v > 60 ? "#e0a800" : "#3fb950");
    track.appendChild(fill);
    wrap.appendChild(track);
    wrap.appendChild(document.createTextNode(v + "%"));
    return wrap;
  }

  function render(data) {
    root.textContent = "";

    // Dienst-Ampeln
    var svcRow = el("div");
    svcRow.style.display = "flex";
    svcRow.style.flexWrap = "wrap";
    svcRow.style.gap = "10px";
    (data.services || []).forEach(function (s) {
      var card = el("div", "card");
      card.style.flex = "1";
      card.style.minWidth = "180px";
      var head = el("div");
      head.style.display = "flex";
      head.style.justifyContent = "space-between";
      head.style.alignItems = "center";
      head.appendChild(el("b", null, s.name));
      head.appendChild(el("span", "badge " + (s.ok ? "ok" : "err"), s.ok ? "up" : "down"));
      card.appendChild(head);
      card.appendChild(el("div", "sz", s.detail || ""));
      svcRow.appendChild(card);
    });
    root.appendChild(svcRow);

    // Backends
    var h = el("h3", null, "Backends / Agenten");
    h.style.margin = "16px 0 6px";
    root.appendChild(h);
    var bes = data.backends || [];
    if (!bes.length) {
      root.appendChild(el("p", "sz", "Keine Backends online."));
    } else {
      bes.forEach(function (b) {
        var card = el("div", "card");
        var head = el("div");
        head.style.display = "flex";
        head.style.justifyContent = "space-between";
        head.appendChild(el("b", null, b.url));
        head.appendChild(el("span", "badge " + (b.healthy ? "ok" : "err"), b.healthy ? "healthy" : "offline"));
        card.appendChild(head);
        card.appendChild(bar("CPU", b.cpu));
        card.appendChild(bar("RAM", b.ram));
        card.appendChild(bar("VRAM", b.vram));
        var meta = el("div", "sz");
        meta.textContent = "Latenz " + (b.latency || 0) + "ms · Agent " + (b.agent_online ? "online" : "offline") +
          " · Modelle: " + ((b.models && b.models.length) ? b.models.join(", ") : "-");
        card.appendChild(meta);
        root.appendChild(card);
      });
    }

    // Runner + Projekte + Zeitstempel
    var foot = el("p", "sz");
    foot.style.marginTop = "10px";
    var r = data.runner || {};
    foot.textContent = "Runner: " + (r.available ? "aktiv" : "offline") +
      " · beobachtete Repos: " + ((r.watched && r.watched.length) || 0) +
      " · Projekte: " + (data.projects_total || 0) +
      " · Stand: " + new Date().toLocaleTimeString();
    root.appendChild(foot);
  }

  function tick() {
    fetch(src, { headers: { "Accept": "application/json" }, credentials: "same-origin" })
      .then(function (r) { return r.json(); })
      .then(render)
      .catch(function () {
        var p = document.getElementById("aes-monitor-err");
        if (!p) {
          p = el("p", "err", "Live-Daten momentan nicht abrufbar — naechster Versuch laeuft.");
          p.id = "aes-monitor-err";
          root.appendChild(p);
        }
      });
  }

  tick();
  setInterval(tick, INTERVAL);
})();