app/static/admin.html

<!doctype html>
<html lang="it">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>PLM Lottery — Admin</title>
<style>
  @import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@500;600&family=Fira+Sans:wght@400;500;600;700&display=swap');

  :root {
    --color-background: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-foreground: #0F172A;
    --color-muted-foreground: #64748B;
    --color-border: #E2E8F0;
    --color-primary: #F59E0B;
    --color-on-primary: #0F172A;
    --color-destructive: #DC2626;
    --color-destructive-bg: #FEF2F2;
    --color-success: #16A34A;
    --color-success-bg: #F0FDF4;
    --color-ring: #F59E0B;
    --radius: 12px;
  }

  * { box-sizing: border-box; }

  body {
    font-family: 'Fira Sans', system-ui, sans-serif;
    background: var(--color-background);
    color: var(--color-foreground);
    margin: 0;
    line-height: 1.5;
  }

  .mono { font-family: 'Fira Code', monospace; }

  /* --- login screen: narrow, centered --- */
  #login-section { max-width: 420px; margin: 15vh auto 0; padding: 0 20px; }
  #login-section header { margin-bottom: 24px; }
  #login-section header h1 { font-size: 1.375rem; font-weight: 700; margin: 0; letter-spacing: -0.01em; }
  #login-section header p { color: var(--color-muted-foreground); font-size: 0.9rem; margin: 4px 0 0; }

  /* --- dashboard: navbar + content --- */
  .navbar {
    display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
    background: var(--color-surface); border-bottom: 1px solid var(--color-border);
    padding: 0 20px; position: sticky; top: 0; z-index: 10;
  }
  .navbar .brand { font-weight: 700; font-size: 1.05rem; padding: 14px 16px 14px 0; white-space: nowrap; }
  .navbar .nav-tab {
    padding: 16px 14px; font-size: 0.9rem; font-weight: 600; cursor: pointer;
    color: var(--color-muted-foreground); border-bottom: 2px solid transparent;
    margin-bottom: -1px; transition: color 150ms, border-color 150ms; white-space: nowrap;
  }
  .navbar .nav-tab.active { color: var(--color-foreground); border-bottom-color: var(--color-primary); }
  .navbar .nav-tab:hover { color: var(--color-foreground); }
  .navbar .spacer { flex: 1; }

  main { max-width: 960px; margin: 0 auto; padding: 24px 20px 80px; }

  .view { display: none; }
  .view.active { display: block; }

  h2.section-title { font-size: 1.15rem; font-weight: 700; margin: 0 0 4px; }

  .card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
  }

  .card .hint { color: var(--color-muted-foreground); font-size: 0.85rem; margin: 0 0 14px; }

  .grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 20px; }

  label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--color-muted-foreground); margin-top: 12px; margin-bottom: 6px; }
  label:first-child { margin-top: 0; }

  input {
    width: 100%; padding: 10px 12px; font-size: 0.95rem; font-family: inherit;
    border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-surface);
    color: var(--color-foreground); transition: border-color 150ms, box-shadow 150ms;
  }
  input:focus {
    outline: none; border-color: var(--color-ring);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-ring) 25%, transparent);
  }

  button {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    min-height: 44px; padding: 0 18px; margin-top: 16px; width: 100%;
    font-family: inherit; font-size: 0.95rem; font-weight: 600;
    background: var(--color-primary); color: var(--color-on-primary);
    border: none; border-radius: 8px; cursor: pointer;
    transition: filter 150ms, transform 150ms;
  }
  button:hover { filter: brightness(0.94); }
  button:active { transform: scale(0.98); }
  button:disabled { opacity: 0.6; cursor: default; }
  button:focus-visible { outline: 2px solid var(--color-ring); outline-offset: 2px; }

  button.secondary {
    width: auto; margin-top: 0; min-height: 36px; padding: 0 14px;
    background: var(--color-background); color: var(--color-foreground);
    border: 1px solid var(--color-border);
  }

  .hidden { display: none !important; }

  table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
  th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
  th { color: var(--color-muted-foreground); font-weight: 500; }
  td.addr, td.txid { font-family: 'Fira Code', monospace; word-break: break-all; max-width: 200px; }
  .table-wrap { overflow-x: auto; }

  .badge {
    display: inline-block; font-size: 0.72rem; font-weight: 600; padding: 2px 8px;
    border-radius: 999px; background: var(--color-background); border: 1px solid var(--color-border);
  }
  .badge.status-open, .badge.status-confirmed, .badge.status-closed { background: var(--color-success-bg); color: var(--color-success); border-color: var(--color-success); }
  .badge.status-pending, .badge.status-drawing, .badge.status-paying_out, .badge.status-closing, .badge.status-broadcast {
    background: #FEF3C7; color: #92400E; border-color: #F59E0B;
  }

  button.reveal {
    width: auto; margin-top: 0; padding: 4px 10px; min-height: 30px; font-size: 0.78rem;
    background: var(--color-destructive-bg); color: var(--color-destructive); border: 1px solid var(--color-destructive);
  }

  .privkey-box {
    margin-top: 6px; padding: 8px; border-radius: 6px; font-size: 0.78rem;
    background: var(--color-destructive-bg); border: 1px solid var(--color-destructive);
    word-break: break-all; font-family: 'Fira Code', monospace; color: var(--color-foreground);
  }
  .warning-banner {
    background: var(--color-destructive-bg); border: 1px solid var(--color-destructive); color: var(--color-destructive);
    border-radius: 8px; padding: 10px 12px; font-size: 0.8rem; margin-bottom: 14px; font-weight: 500;
  }

  pre.payload {
    background: var(--color-background); border: 1px solid var(--color-border); border-radius: 6px;
    padding: 6px 8px; font-size: 0.75rem; margin: 0; white-space: pre-wrap; word-break: break-all;
  }

  #toast-container {
    position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; gap: 8px; z-index: 100; width: calc(100% - 40px); max-width: 440px;
  }
  .toast {
    padding: 12px 14px; border-radius: 8px; font-size: 0.85rem; font-weight: 500;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
    animation: toast-in 200ms ease-out;
  }
  .toast.success { background: var(--color-success-bg); color: var(--color-success); }
  .toast.error { background: var(--color-destructive-bg); color: var(--color-destructive); }
  @keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

  @media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
  }
</style>
</head>
<body>

<section id="login-section">
  <header>
    <h1>PLM Lottery — Admin</h1>
    <p>Accesso riservato</p>
  </header>

  <div class="card">
    <label for="admin-token">Admin token</label>
    <input id="admin-token" type="password" placeholder="valore di ADMIN_TOKEN" autofocus>
    <button onclick="adminLogin()" id="login-btn">Accedi</button>
  </div>
</section>

<div id="dashboard-section" class="hidden">
  <nav class="navbar">
    <span class="brand">PLM Lottery — Admin</span>
    <span class="nav-tab active" id="nav-parametri" onclick="switchView('parametri')">Parametri</span>
    <span class="nav-tab" id="nav-utenti" onclick="switchView('utenti')">Utenti</span>
    <span class="nav-tab" id="nav-round" onclick="switchView('round')">Round</span>
    <span class="nav-tab" id="nav-pending" onclick="switchView('pending')">Transazioni pendenti</span>
    <span class="nav-tab" id="nav-audit" onclick="switchView('audit')">Audit log</span>
    <span class="spacer"></span>
    <button class="secondary" style="margin:8px 0" onclick="adminLogout()">Esci</button>
  </nav>

  <main>

    <div class="view active" id="view-parametri">
      <h2 class="section-title">Parametri</h2>
      <p class="hint">Configurazione operativa, salvata nel database — modificabile in qualsiasi momento senza riavviare il server.</p>

      <div class="card">
        <div class="grid-2">
          <div>
            <label for="admin-fee-address">Fee address (dove finisce il 30% di ogni round)</label>
            <input id="admin-fee-address" class="mono" placeholder="plm1q...">
            <label for="admin-bet-amount">Bet amount (PLM)</label>
            <input id="admin-bet-amount" inputmode="decimal" placeholder="es. 10">
            <label for="admin-min-amount">Importo minimo deposito/prelievo (PLM)</label>
            <input id="admin-min-amount" inputmode="decimal" placeholder="es. 1">
          </div>
          <div>
            <label for="admin-round-duration">Durata round (secondi)</label>
            <input id="admin-round-duration" inputmode="numeric" placeholder="es. 600">
            <label for="admin-round-cooldown">Pausa tra un round e il successivo (secondi)</label>
            <input id="admin-round-cooldown" inputmode="numeric" placeholder="es. 30">
            <label for="admin-draw-animation">Durata animazione estrazione (secondi)</label>
            <input id="admin-draw-animation" inputmode="numeric" placeholder="es. 20">
            <label for="admin-fee-rate">Fee rate di rete (sat/vB)</label>
            <input id="admin-fee-rate" inputmode="numeric" placeholder="es. 1">
            <label for="admin-rbf-timeout">Timeout prima del fee-bump RBF (secondi)</label>
            <input id="admin-rbf-timeout" inputmode="numeric" placeholder="es. 900">
          </div>
        </div>
        <button onclick="adminSave()" id="save-btn">Salva</button>
      </div>
    </div>

    <div class="view" id="view-utenti">
      <h2 class="section-title">Utenti</h2>
      <p class="hint">Elenco utenti registrati, con saldo interno e accesso alla chiave privata per interventi manuali (es. restituire fondi bloccati).</p>

      <div class="warning-banner">
        ⚠ La chiave privata dà accesso completo ai fondi dell'utente. Ogni volta che la visualizzi viene registrata nell'audit log del server. Non condividerla, non salvarla altrove.
      </div>

      <div class="card">
        <div class="table-wrap">
          <table>
            <thead>
              <tr><th>ID</th><th>Username</th><th>Indirizzo</th><th>Saldo (PLM)</th><th>Registrato</th><th>Chiave</th></tr>
            </thead>
            <tbody id="users-tbody"></tbody>
          </table>
        </div>
      </div>
    </div>

    <div class="view" id="view-round">
      <h2 class="section-title">Round</h2>
      <p class="hint">Ultimi round: stato, vincitore, importi e transazione di payout.</p>

      <div class="card">
        <div class="table-wrap">
          <table>
            <thead>
              <tr><th>ID</th><th>Stato</th><th>Apertura</th><th>Vincitore</th><th>Pool (PLM)</th><th>Vincita (PLM)</th><th>Fee (PLM)</th><th>Payout txid</th></tr>
            </thead>
            <tbody id="rounds-tbody"></tbody>
          </table>
        </div>
      </div>
    </div>

    <div class="view" id="view-pending">
      <h2 class="section-title">Transazioni pendenti</h2>
      <p class="hint">Bet, payout e prelievi non ancora confermati — candidati al fee-bump RBF se scade il timeout.</p>

      <div class="card">
        <div class="table-wrap">
          <table>
            <thead>
              <tr><th>ID</th><th>Tipo</th><th>Stato</th><th>Txid</th><th>Fee rate</th><th>Tentativi</th><th>Trasmessa</th></tr>
            </thead>
            <tbody id="pending-tbody"></tbody>
          </table>
        </div>
      </div>
    </div>

    <div class="view" id="view-audit">
      <h2 class="section-title">Audit log</h2>
      <p class="hint">Ultimi eventi registrati dal sistema (config, bet, payout, accessi a chiavi private, ecc.).</p>

      <div class="card">
        <div class="table-wrap">
          <table>
            <thead>
              <tr><th>ID</th><th>Evento</th><th>Dettagli</th><th>Utente</th><th>Round</th><th>Quando</th></tr>
            </thead>
            <tbody id="audit-tbody"></tbody>
          </table>
        </div>
      </div>
    </div>

  </main>
</div>

<div id="toast-container" aria-live="polite"></div>

<script>
const SATS_PER_PLM = 100000000;
let adminToken = sessionStorage.getItem('plm_admin_token');

function toast(message, type) {
  const container = document.getElementById('toast-container');
  const el = document.createElement('div');
  el.className = 'toast ' + type;
  el.textContent = message;
  container.appendChild(el);
  setTimeout(() => el.remove(), 4000);
}

async function withLoading(button, label, fn) {
  const original = button.textContent;
  button.disabled = true;
  button.textContent = label;
  try {
    await fn();
  } finally {
    button.disabled = false;
    button.textContent = original;
  }
}

async function callAdmin(method, path, body) {
  const headers = { 'Content-Type': 'application/json', 'X-Admin-Token': adminToken };
  const res = await fetch(path, { method, headers, body: body ? JSON.stringify(body) : undefined });
  const data = await res.json().catch(() => ({}));
  if (!res.ok) throw new Error(data.detail || res.statusText);
  return data;
}

function escapeHtml(s) {
  return String(s).replace(/[&<>"']/g, (c) => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[c]));
}

function badge(status) {
  return `<span class="badge status-${escapeHtml(status)}">${escapeHtml(status)}</span>`;
}

function fmtDate(iso) {
  if (!iso) return '—';
  return new Date(iso).toLocaleString('it-IT');
}

const VIEWS = ['parametri', 'utenti', 'round', 'pending', 'audit'];

function switchView(name) {
  for (const key of VIEWS) {
    document.getElementById('nav-' + key).classList.toggle('active', key === name);
    document.getElementById('view-' + key).classList.toggle('active', key === name);
  }
  const loaders = { utenti: loadUsers, round: loadRounds, pending: loadPending, audit: loadAuditLog };
  if (loaders[name]) loaders[name]();
}

function showDashboard() {
  document.getElementById('login-section').classList.add('hidden');
  document.getElementById('dashboard-section').classList.remove('hidden');
}

async function loadDashboard() {
  await Promise.all([adminLoadConfig(), loadUsers(), loadRounds(), loadPending(), loadAuditLog()]);
}

async function adminLogin() {
  const btn = document.getElementById('login-btn');
  adminToken = document.getElementById('admin-token').value;
  await withLoading(btn, 'Verifica…', async () => {
    try {
      await callAdmin('GET', '/admin/config');
      sessionStorage.setItem('plm_admin_token', adminToken);
      showDashboard();
      await loadDashboard();
    } catch (e) {
      adminToken = null;
      toast('Token non valido.', 'error');
    }
  });
}

function adminLogout() {
  sessionStorage.removeItem('plm_admin_token');
  adminToken = null;
  document.getElementById('admin-token').value = '';
  document.getElementById('dashboard-section').classList.add('hidden');
  document.getElementById('login-section').classList.remove('hidden');
}

async function adminLoadConfig() {
  try {
    const data = await callAdmin('GET', '/admin/config');
    document.getElementById('admin-fee-address').value = data.fee_address;
    document.getElementById('admin-bet-amount').value = data.bet_amount_sats / SATS_PER_PLM;
    document.getElementById('admin-round-duration').value = data.round_duration_seconds;
    document.getElementById('admin-round-cooldown').value = data.round_cooldown_seconds;
    document.getElementById('admin-draw-animation').value = data.draw_animation_seconds;
    document.getElementById('admin-min-amount').value = data.min_amount_sats / SATS_PER_PLM;
    document.getElementById('admin-fee-rate').value = data.fee_rate_sat_vb;
    document.getElementById('admin-rbf-timeout').value = data.rbf_timeout_seconds;
  } catch (e) {
    toast('Errore nel caricamento configurazione: ' + e.message, 'error');
  }
}

async function adminSave() {
  const btn = document.getElementById('save-btn');
  const feeAddress = document.getElementById('admin-fee-address').value;
  const betAmountPlm = parseFloat(document.getElementById('admin-bet-amount').value);
  const minAmountPlm = parseFloat(document.getElementById('admin-min-amount').value);
  const body = {
    fee_address: feeAddress,
    bet_amount_sats: Math.round(betAmountPlm * SATS_PER_PLM),
    round_duration_seconds: parseInt(document.getElementById('admin-round-duration').value, 10),
    round_cooldown_seconds: parseInt(document.getElementById('admin-round-cooldown').value, 10),
    draw_animation_seconds: parseInt(document.getElementById('admin-draw-animation').value, 10),
    min_amount_sats: Math.round(minAmountPlm * SATS_PER_PLM),
    fee_rate_sat_vb: parseInt(document.getElementById('admin-fee-rate').value, 10),
    rbf_timeout_seconds: parseInt(document.getElementById('admin-rbf-timeout').value, 10),
  };
  await withLoading(btn, 'Salvataggio…', async () => {
    try {
      await callAdmin('PUT', '/admin/config', body);
      toast('Configurazione salvata.', 'success');
    } catch (e) {
      toast('Errore nel salvataggio: ' + e.message, 'error');
    }
  });
}

async function loadUsers() {
  try {
    const users = await callAdmin('GET', '/admin/users');
    const tbody = document.getElementById('users-tbody');
    tbody.innerHTML = users.map((u) => `
      <tr>
        <td>${u.id}</td>
        <td>${escapeHtml(u.username)}</td>
        <td class="addr">${escapeHtml(u.address)}</td>
        <td>${u.balance_sats / SATS_PER_PLM}</td>
        <td>${fmtDate(u.created_at)}</td>
        <td>
          <button class="reveal" onclick="revealPrivkey(${u.id}, this)">Mostra</button>
          <div class="privkey-box hidden" id="privkey-${u.id}"></div>
        </td>
      </tr>
    `).join('') || '<tr><td colspan="6" class="hint">Nessun utente registrato.</td></tr>';
  } catch (e) {
    toast('Errore nel caricamento utenti: ' + e.message, 'error');
  }
}

async function revealPrivkey(userId, button) {
  const box = document.getElementById('privkey-' + userId);
  if (!box.classList.contains('hidden')) {
    box.classList.add('hidden');
    box.textContent = '';
    button.textContent = 'Mostra';
    return;
  }
  if (!window.confirm('Stai per visualizzare la chiave privata di questo utente. L\'accesso verrà registrato nell\'audit log. Continuare?')) {
    return;
  }
  await withLoading(button, '…', async () => {
    try {
      const data = await callAdmin('GET', '/admin/users/' + userId + '/privkey');
      box.textContent = data.wif;
      box.classList.remove('hidden');
      button.textContent = 'Nascondi';
    } catch (e) {
      toast('Errore: ' + e.message, 'error');
    }
  });
}

async function loadRounds() {
  try {
    const rounds = await callAdmin('GET', '/admin/rounds');
    const tbody = document.getElementById('rounds-tbody');
    tbody.innerHTML = rounds.map((r) => `
      <tr>
        <td>${r.id}</td>
        <td>${badge(r.status)}</td>
        <td>${fmtDate(r.opened_at)}</td>
        <td>${r.winner_username ? escapeHtml(r.winner_username) : '—'}</td>
        <td>${r.pool_amount_sats != null ? r.pool_amount_sats / SATS_PER_PLM : '—'}</td>
        <td>${r.winner_amount_sats != null ? r.winner_amount_sats / SATS_PER_PLM : '—'}</td>
        <td>${r.fee_amount_sats != null ? r.fee_amount_sats / SATS_PER_PLM : '—'}</td>
        <td class="txid">${r.payout_txid ? escapeHtml(r.payout_txid) : '—'}</td>
      </tr>
    `).join('') || '<tr><td colspan="8" class="hint">Nessun round ancora.</td></tr>';
  } catch (e) {
    toast('Errore nel caricamento round: ' + e.message, 'error');
  }
}

async function loadPending() {
  try {
    const items = await callAdmin('GET', '/admin/pending-transactions');
    const tbody = document.getElementById('pending-tbody');
    tbody.innerHTML = items.map((p) => `
      <tr>
        <td>${p.id}</td>
        <td>${escapeHtml(p.kind)}</td>
        <td>${badge(p.status)}</td>
        <td class="txid">${escapeHtml(p.current_txid)}</td>
        <td>${p.fee_rate_sat_vb} sat/vB</td>
        <td>${p.attempt_count}</td>
        <td>${fmtDate(p.broadcast_at)}</td>
      </tr>
    `).join('') || '<tr><td colspan="7" class="hint">Nessuna transazione pendente.</td></tr>';
  } catch (e) {
    toast('Errore nel caricamento transazioni pendenti: ' + e.message, 'error');
  }
}

async function loadAuditLog() {
  try {
    const entries = await callAdmin('GET', '/admin/audit-log');
    const tbody = document.getElementById('audit-tbody');
    tbody.innerHTML = entries.map((e) => `
      <tr>
        <td>${e.id}</td>
        <td>${escapeHtml(e.event_type)}</td>
        <td><pre class="payload">${escapeHtml(JSON.stringify(e.payload))}</pre></td>
        <td>${e.user_id ?? '—'}</td>
        <td>${e.round_id ?? '—'}</td>
        <td>${fmtDate(e.created_at)}</td>
      </tr>
    `).join('') || '<tr><td colspan="6" class="hint">Nessun evento registrato.</td></tr>';
  } catch (e) {
    toast('Errore nel caricamento audit log: ' + e.message, 'error');
  }
}

document.getElementById('admin-token').addEventListener('keydown', (e) => {
  if (e.key === 'Enter') adminLogin();
});

if (adminToken) {
  callAdmin('GET', '/admin/config')
    .then(() => { showDashboard(); return loadDashboard(); })
    .catch(() => { sessionStorage.removeItem('plm_admin_token'); adminToken = null; });
}
</script>

</body>
</html>