// ── MCP-Server UI (Liste pro Session) ──
// Spiegelt das Muster von commands-ui.js: dynamische Add/Remove-Zeilen, JSON-Persistenz.
// Pro Eintrag: Name, URL (http/sse), optionaler Token.

function createMcpServerRow(container, name, url, token) {
  name = name || '';
  url = url || '';
  token = token || '';

  const item = document.createElement('div');
  item.className = 'mcp-server-item';
  item.innerHTML = `
    <div class="mcp-server-fields">
      <input type="text" class="mcp-name" placeholder="Name (z.B. UnityMCP)" value="${esc(name)}" autocomplete="off">
      <input type="text" class="mcp-url" placeholder="URL (optional – leer = nur Freigabe)" value="${esc(url)}" autocomplete="off">
      <input type="password" class="mcp-token" placeholder="Token (optional)" value="${esc(token)}" autocomplete="off">
    </div>
    <button type="button" class="remove-mcp-btn icon-btn"><i class="fa fa-times"></i></button>
  `;
  item.querySelector('.remove-mcp-btn').addEventListener('click', function() { item.remove(); });
  container.appendChild(item);
}

function getMcpServersFromUI(container) {
  var items = container.querySelectorAll('.mcp-server-item');
  var servers = [];
  for (var i = 0; i < items.length; i++) {
    var item = items[i];
    var name = item.querySelector('.mcp-name').value.trim();
    var url = item.querySelector('.mcp-url').value.trim();
    var token = item.querySelector('.mcp-token').value.trim();
    // Name genügt. Ohne URL = reiner Freigabe-Eintrag (kein eigener Server, nur Allowlist).
    if (name) servers.push({ name: name, url: url || null, token: token || null });
  }
  return servers.length > 0 ? servers : null;
}

function loadMcpServersIntoUI(container, mcpServers) {
  if (!mcpServers) return;
  try {
    var list = typeof mcpServers === 'string' ? JSON.parse(mcpServers) : mcpServers;
    if (!Array.isArray(list)) return;
    for (var i = 0; i < list.length; i++) {
      var s = list[i];
      createMcpServerRow(container, s.name || '', s.url || '', s.token || '');
    }
  } catch (e) { /* ignore parse errors */ }
}