// ========== CONNECT YOUR AI (DC-162) ==========
// One button, one flow: click "🤖 Connect AI" → pick Claude/ChatGPT/generic
// → DashCaddy mints a dedicated dk_ key + ready-to-paste MCP config. The
// dashboard's own session does the signing-in; the AI assistant authenticates
// with the key against POST /api/v1/mcp. Keys listed/revokeable here too.
(function() {
  const errorHandler = new ErrorHandler();

  injectModal('ai-connect-modal', `<div id="ai-connect-modal" class="weather-modal">
    <div class="weather-modal-content" style="min-width:560px;max-width:720px;">
      <h3>🤖 Connect your AI assistant</h3>
      <div id="aiconn-intro" style="font-size:0.85rem;color:var(--muted);margin-bottom:12px;">
        DashCaddy speaks MCP — Claude, ChatGPT and other AI assistants can manage your
        homelab (deploy apps, check health, edit DNS) through one endpoint.
        Pick an assistant and DashCaddy generates the access key + config for it.
      </div>

      <div id="aiconn-endpoint" style="display:none;margin:0 0 12px;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:0.8rem;">
        <span style="color:var(--muted);">MCP endpoint:</span>
        <code id="aiconn-endpoint-url" style="user-select:all;">—</code>
        <button id="aiconn-copy-endpoint" style="margin-left:8px;font-size:0.75rem;">Copy</button>
        <div id="aiconn-tools" style="color:var(--muted);margin-top:2px;"></div>
      </div>

      <!-- Step 1: pick client -->
      <div id="aiconn-step-pick">
        <div style="font-weight:600;margin:6px 0 8px;">Choose your assistant:</div>
        <div style="display:flex;gap:8px;flex-wrap:wrap;">
          <button class="aiconn-client-btn" data-client="claude">🟠 Claude</button>
          <button class="aiconn-client-btn" data-client="chatgpt">🟢 ChatGPT</button>
          <button class="aiconn-client-btn" data-client="generic">🔌 Other / generic</button>
        </div>
      </div>

      <!-- Step 2: the generated connection -->
      <div id="aiconn-step-config" style="display:none;margin-top:12px;">
        <div style="font-weight:600;margin-bottom:6px;" id="aiconn-config-title">Your access key (shown once):</div>
        <div style="display:flex;gap:6px;align-items:center;margin-bottom:10px;">
          <code id="aiconn-key" style="flex:1;padding:6px 8px;border:1px solid var(--accent);border-radius:4px;background:color-mix(in srgb, var(--accent) 8%, transparent);user-select:all;word-break:break-all;">—</code>
          <button id="aiconn-copy-key">Copy</button>
        </div>
        <div style="font-weight:600;margin-bottom:6px;">Paste into your client:</div>
        <pre id="aiconn-snippet" style="white-space:pre-wrap;word-break:break-all;font-size:0.78rem;border:1px solid var(--border);border-radius:6px;padding:10px;max-height:220px;overflow:auto;margin:0 0 8px;"></pre>
        <div style="display:flex;gap:6px;align-items:center;margin-bottom:8px;">
          <button id="aiconn-copy-snippet">Copy config</button>
          <button id="aiconn-back">← Choose a different assistant</button>
        </div>
        <div id="aiconn-client-note" style="font-size:0.78rem;color:var(--muted);margin-bottom:10px;"></div>
      </div>

      <!-- Existing connections -->
      <div style="margin-top:14px;padding-top:12px;border-top:1px solid var(--border);">
        <div style="font-weight:600;margin-bottom:6px;">Active AI connections</div>
        <div id="aiconn-connections" style="display:flex;flex-direction:column;gap:4px;max-height:160px;overflow-y:auto;">
          <div style="font-size:0.8rem;color:var(--muted);">Loading…</div>
        </div>
      </div>

      <div class="weather-modal-buttons modal-footer-bar">
        <span id="aiconn-status" style="flex:1;font-size:0.78rem;color:var(--muted);align-self:center;"></span>
        <button id="aiconn-close">Close</button>
      </div>
    </div></div>`);

  const $ = (id) => document.getElementById(id);
  let info = null;

  function setStatus(msg) { $('aiconn-status').textContent = msg; }

  async function loadInfo() {
    try {
      const resp = await secureFetch('/api/v1/mcp/info');
      if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
      const body = await resp.json();
      info = body;
      $('aiconn-endpoint').style.display = 'block';
      $('aiconn-endpoint-url').textContent = body.endpoint;
      $('aiconn-tools').textContent = `${body.toolCount} tools · MCP ${body.protocolVersion} · DashCaddy v${body.serverVersion}`;
    } catch (e) {
      errorHandler.log(e, 'ai-connect-info');
      setStatus('MCP endpoint unavailable on this build.');
    }
  }

  async function loadConnections() {
    const listEl = $('aiconn-connections');
    try {
      const resp = await secureFetch('/api/v1/mcp/connections');
      const body = await resp.json().catch(() => ({}));
      const keys = (body && Array.isArray(body.connections)) ? body.connections : [];
      if (!keys.length) {
        listEl.innerHTML = '<div style="font-size:0.8rem;color:var(--muted);">No connections yet — choose an assistant above.</div>';
        return;
      }
      listEl.innerHTML = keys.map(k => `
        <div style="display:flex;gap:8px;align-items:center;font-size:0.8rem;">
          <span style="flex:1;">${escapeHtml(k.name)}
            <span style="color:var(--muted);">· ${(k.scopes || []).join(',')} · since ${escapeHtml((k.createdAt || '').slice(0, 10))}${k.lastUsed ? ' · last used ' + escapeHtml(String(k.lastUsed).slice(0, 10)) : ''}</span></span>
          <button class="aiconn-revoke" data-id="${escapeHtml(k.id)}" style="font-size:0.75rem;color:var(--err-fg);">Revoke</button>
        </div>`).join('');
      listEl.querySelectorAll('.aiconn-revoke').forEach(btn => btn.addEventListener('click', async () => {
        btn.disabled = true;
        try {
          const resp = await secureFetch(`/api/v1/auth/keys/${encodeURIComponent(btn.dataset.id)}`, { method: 'DELETE' });
          if (resp.ok) { setStatus('Connection revoked.'); loadConnections(); }
          else { const b = await resp.json().catch(() => ({})); setStatus(b.error || 'Revoke failed.'); btn.disabled = false; }
        } catch (e) { setStatus('Revoke failed: ' + e.message); btn.disabled = false; }
      }));
    } catch (e) {
      listEl.innerHTML = '<div style="font-size:0.8rem;color:var(--muted);">Could not load connections.</div>';
    }
  }

  async function createConnection(client) {
    setStatus(`Creating ${client} connection…`);
    try {
      const resp = await secureFetch('/api/v1/mcp/config', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ client }),
      });
      const body = await resp.json().catch(() => ({}));
      if (!resp.ok || !body.key) {
        setStatus(body.error || `Failed (HTTP ${resp.status})`);
        return;
      }
      $('aiconn-key').textContent = body.key;
      // rev2 config shape: httpConfig = {url, transport, headers,
      // mcpProtocolVersion} — the standard Streamable-HTTP connection card.
      const snippet = body.httpConfig ? JSON.stringify(body.httpConfig, null, 2) : '';
      $('aiconn-snippet').textContent = snippet || '(see note below)';
      $('aiconn-client-note').textContent = body.note || '';
      $('aiconn-config-title').textContent =
        client === 'chatgpt' ? 'Access key (ChatGPT note below):' : 'Your access key (shown once):';
      $('aiconn-step-pick').style.display = 'none';
      $('aiconn-step-config').style.display = 'block';
      setStatus('');
      loadConnections();
    } catch (e) {
      errorHandler.log(e, 'ai-connect-create');
      setStatus('Failed: ' + e.message);
    }
  }

  function copyText(text, okMsg) {
    if (navigator.clipboard && navigator.clipboard.writeText) {
      navigator.clipboard.writeText(text).then(() => setStatus(okMsg)).catch(() => setStatus('Copy failed — select manually.'));
    } else {
      setStatus('Clipboard unavailable — select manually.');
    }
  }

  // ---- wiring ----
  $('ai-connect-btn').addEventListener('click', () => {
    $('ai-connect-modal').style.display = 'flex';
    $('aiconn-step-pick').style.display = 'block';
    $('aiconn-step-config').style.display = 'none';
    setStatus('');
    loadInfo();
    loadConnections();
  });
  $('aiconn-close').addEventListener('click', () => { $('ai-connect-modal').style.display = 'none'; });
  $('aiconn-back').addEventListener('click', () => {
    $('aiconn-step-config').style.display = 'none';
    $('aiconn-step-pick').style.display = 'block';
  });
  document.querySelectorAll('.aiconn-client-btn').forEach(btn =>
    btn.addEventListener('click', () => createConnection(btn.dataset.client)));
  $('aiconn-copy-key').addEventListener('click', () => copyText($('aiconn-key').textContent, 'Key copied — paste it into your client.'));
  $('aiconn-copy-snippet').addEventListener('click', () => copyText($('aiconn-snippet').textContent, 'Config copied.'));
  $('aiconn-copy-endpoint').addEventListener('click', () => copyText(info ? info.endpoint : $('aiconn-endpoint-url').textContent, 'Endpoint copied.'));
})();