export function renderNetworkHealth(state) {
  renderAdGuard(state.adguard || {});
  renderScrutiny(state.scrutiny || {});
}

function renderAdGuard(data) {
  const online = data.source_status === "online";
  setPill("adguard-pill", online ? "ONLINE" : "OFFLINE", online ? "pill-online" : "pill-offline");

  setText("adguard-total", online ? fmtCompact(data.total_queries) : "\u2014");
  setText("adguard-blocked", online ? fmtCompact(data.blocked_queries) : "\u2014");
  setText("adguard-blocked-pct", online ? `${Math.round(data.blocked_percent ?? 0)}%` : "\u2014");
  setText("adguard-latency", online ? `${Math.round(data.avg_processing_ms ?? 0)}ms` : "\u2014");

  const fill = document.getElementById("adguard-bar-fill");
  if (fill) {
    fill.style.width = `${online ? Math.min(data.blocked_percent ?? 0, 100) : 0}%`;
  }
}

function renderScrutiny(data) {
  const online = data.source_status === "online";
  setPill("scrutiny-pill", online ? "ONLINE" : "OFFLINE", online ? "pill-online" : "pill-offline");

  const total = data.total_count ?? 0;
  const failed = data.failed_count ?? 0;
  const passed = Math.max(total - failed, 0);

  setText("scrutiny-total", online ? total : "\u2014");
  setText("scrutiny-passed", online ? passed : "\u2014");
  setText("scrutiny-failed", online ? failed : "\u2014");

  const list = document.getElementById("scrutiny-list");
  if (!list) return;

  const devices = Array.isArray(data.devices) ? data.devices.slice(0, 3) : [];
  if (!online || devices.length === 0) {
    list.innerHTML = `<div class="scrutiny-offline">\u2014 ${online ? "no disks" : "offline"}</div>`;
    return;
  }

  list.innerHTML = `<div class="scrutiny-strip">${devices.map((device) => {
    const status = device.status || "unknown";
    const cls = status === "passed" ? "ok" : status === "failed" ? "fail" : "unk";
    const token = status === "passed" ? "OK" : status === "failed" ? "ER" : "--";
    const name = device.name || device.device || "disk";

    return `<span class="scrutiny-chip ${cls}"><strong>${token}</strong>${name}</span>`;
  }).join("")}</div>`;
}

function setText(id, value) {
  const el = document.getElementById(id);
  if (el) el.textContent = value;
}

function setPill(id, label, cls) {
  const el = document.getElementById(id);
  if (!el) return;
  el.textContent = label;
  el.className = `status-pill ${cls}`;
}

function fmtCompact(value) {
  const num = Number(value ?? 0);
  if (num >= 1_000_000) return `${(num / 1_000_000).toFixed(1)}M`;
  if (num >= 1_000) return `${Math.round(num / 1_000)}K`;
  return `${num}`;
}