import { throughputSeries, areaPath, dayStart } from './viewmodel.js';

/**
 * Sidebar skeleton: budget card + live feed card. The budget card has no tab
 * bar of its own — the Token/Kosten/Verlauf tabs live inside the donut card
 * (rendered client-side by the ported v1 budget JS in v1Budget.ts). The
 * subhead keeps the v1 mount points: [data-budget-mode] (Session/Gesamt),
 * #budgetTotal, #budgetReset; #budgetRows is where the donut card mounts.
 */
export function sidebarHtml(): string {
  return `
<aside class="b2-side">
  <div class="b2-panel b2-glass" id="b2Budget">
    <div class="b2-subhead">
      <h6>Budget</h6>
      <span class="seg" aria-label="Token insight range">
        <button type="button" data-budget-mode="session" class="active">Session</button>
        <button type="button" data-budget-mode="total">Gesamt</button>
      </span>
      <span class="total" id="budgetTotal"></span>
      <button type="button" class="reset-btn" id="budgetReset">Reset</button>
    </div>
    <div id="budgetRows"><div class="budget-empty">no agent activity yet</div></div>
  </div>
  <div class="b2-panel b2-glass" id="b2AgentsPanel">
    <h6>Agents</h6>
    <div class="b2-agents" id="b2Agents"><div class="budget-empty">no agents yet</div></div>
  </div>
  <div class="b2-panel b2-glass">
    <h6>Live</h6>
    <div class="b2-feed" id="b2Feed"></div>
  </div>
</aside>`;
}

/**
 * Inline script: throughput area chart renderer (used by the Verlauf tab in
 * the donut card) + live feed, followed by the ported v1 budget JS.
 */
export function sidebarJs(v1BudgetJs: string): string {
  return `
var DAY_MS = 24 * 3600 * 1000;
${dayStart.toString()}
${throughputSeries.toString()}
${areaPath.toString()}
window.__b2RenderThroughput = function (tasks) {
  var box = document.getElementById('b2Throughput');
  var tip = document.getElementById('b2ThroughputTip');
  if (!box) return; // Verlauf tab not mounted right now — nothing to update
  var s = throughputSeries(tasks, 14);
  var p = areaPath(s, 220, 80);
  box.innerHTML = '<svg width="100%" height="80" viewBox="0 0 220 80" preserveAspectRatio="none">'
    + '<path fill="rgba(56,189,248,.25)" d="' + p.area + '"/>'
    + '<path class="b2-spark" fill="none" stroke="#38bdf8" stroke-width="1.6" d="' + p.line + '"/></svg>';
  if (tip) {
    var avg = s.reduce(function (a, b) { return a + b; }, 0) / s.length;
    tip.textContent = 'Erledigte Tasks · 14 Tage · Ø ' + avg.toFixed(1) + '/Tag';
  }
};
window.__b2FeedPush = function (html) {
  var feed = document.getElementById('b2Feed');
  if (!feed) return;
  var div = document.createElement('div');
  div.innerHTML = html;
  feed.insertBefore(div, feed.firstChild);
  while (feed.children.length > 5) feed.removeChild(feed.lastChild);
};
// ── Agent health traffic lights (GET /health) ─────────────────────────────
// active (green) <2min since last action · busy (blue, on TSK-X) ·
// idle (gray) · stale/offline (red, >10min with an open assignment).
window.__b2RenderAgents = function (report) {
  var box = document.getElementById('b2Agents');
  if (!box) return;
  var agents = report && report.agents ? report.agents : [];
  if (!agents.length) { box.innerHTML = '<div class="budget-empty">no agents yet</div>'; return; }
  box.innerHTML = agents.map(function (a) {
    var loop = a.dispatch === 'architect'
      ? (a.taskId ? 'architect started' : a.waitingTaskId ? 'wartet auf Architekten-Start' : 'architect dispatch')
      : a.inLoop
      ? 'loop ' + compact(a.loopSinceAgoSec || 0)
      : a.loopExitReason
        ? 'out ' + compact(a.loopExitAgoSec || 0) + ' · ' + a.loopExitReason
        : 'loop ?';
    var work = a.taskId ? a.taskId : a.waitingTaskId ? a.waitingTaskId + ' waiting' : '';
    var detail = loop + (work ? ' · ' + work : '');
    return '<div class="b2-agent-row" title="' + esc(a.name) + ': ' + esc(detail) + '">' +
      '<span class="b2-light st-' + esc(a.state) + '" aria-hidden="true"></span>' +
      '<span class="b2-agent-name">' + esc(a.name) + '</span>' +
      '<span class="b2-agent-state">' + esc(detail) + '</span></div>';
  }).join('');
};
async function refreshAgentHealth() {
  try { window.__b2RenderAgents(await getJSON('/health')); } catch (_) {}
}
window.refreshAgentHealth = refreshAgentHealth;
refreshAgentHealth();
setInterval(refreshAgentHealth, 5000);
${v1BudgetJs}`;
}