import {
  adminCreateUploadTokenAction,
  adminDisableUploadTokenAction,
  adminLogoutAction,
} from '@/src/lib/actions.js';
import { all, runCleanupIfNeeded } from '@/src/lib/db.js';
import { formatTimestamp, readSearchParam } from '@/src/lib/format.js';
import { ensureCsrfToken, requireAdminUser } from '@/src/lib/security.js';

import { AdminTabs } from '../../_components/admin-tabs.js';
import { CurlUploadExample } from '../../_components/curl-upload-example.js';
import { StatusMessage } from '../../_components/status-message.js';

export const dynamic = 'force-dynamic';

export default async function AdminUploadTokensPage({ searchParams }) {
  await runCleanupIfNeeded();
  await requireAdminUser();

  const csrfToken = await ensureCsrfToken();
  const tokens = await all(
    `SELECT id, label, scope_path, created_by, created_at, expires_at, last_used_at, disabled_at
     FROM upload_tokens
     ORDER BY created_at DESC
     LIMIT 500`
  );

  const resolvedSearchParams = await searchParams;
  const error = readSearchParam(resolvedSearchParams, 'error');
  const success = readSearchParam(resolvedSearchParams, 'success');
  const createdToken = readSearchParam(resolvedSearchParams, 'createdToken');

  return (
    <main className="page-shell">
      <header className="page-header">
        <div className="header-main">
          <h1>Upload-Tokens</h1>
          <p className="muted">Bearer-Tokens für curl-Uploads in feste Zielordner.</p>
        </div>

        <form className="inline-form" action={adminLogoutAction}>
          <input type="hidden" name="csrfToken" value={csrfToken} />
          <button className="btn secondary" type="submit">
            Abmelden
          </button>
        </form>
      </header>

      <StatusMessage error={error} success={success} />
      <AdminTabs active="tokens" />

      {createdToken ? (
        <section className="panel">
          <h2>Neuer Token</h2>
          <p className="muted">Token jetzt kopieren. Er wird nicht erneut angezeigt.</p>
          <pre><code>{createdToken}</code></pre>
          <CurlUploadExample path="/_token-upload/unterordner/datei.txt" token={createdToken} fileName="datei.txt" />
        </section>
      ) : null}

      <section className="panel">
        <h2>Token erstellen</h2>
        <form className="form-grid" action={adminCreateUploadTokenAction}>
          <input type="hidden" name="csrfToken" value={csrfToken} />

          <label className="field">
            Name (optional)
            <input className="input" name="label" placeholder="z.B. Kunde A" />
          </label>

          <label className="field">
            Zielordner im Dateimanager
            <input className="input" name="scopePath" placeholder="z.B. eingang/kunde-a" required />
          </label>

          <label className="field">
            Ablauf in Stunden (optional)
            <input className="input" name="expiresHours" placeholder="leer = kein Ablauf" />
          </label>

          <button className="btn" type="submit">
            Token erstellen
          </button>
        </form>
      </section>

      <section className="panel">
        <h2>Aktive Tokens</h2>
        {tokens.length === 0 ? (
          <p className="muted">Noch keine Upload-Tokens.</p>
        ) : (
          <div className="table-wrap">
            <table>
              <thead>
                <tr>
                  <th>Name</th>
                  <th>Zielordner</th>
                  <th>Erstellt</th>
                  <th>Ablauf</th>
                  <th>Letzte Nutzung</th>
                  <th>Status</th>
                  <th>Aktionen</th>
                </tr>
              </thead>
              <tbody>
                {tokens.map((token) => {
                  const disabled = Number(token.disabled_at || 0) > 0;
                  const expired = Number(token.expires_at || 0) > 0 && Number(token.expires_at) <= Date.now();

                  return (
                    <tr key={token.id}>
                      <td>
                        <strong>{token.label || `Token ${token.id}`}</strong>
                        <div className="muted">von {token.created_by || '-'}</div>
                      </td>
                      <td className="mono">{token.scope_path}</td>
                      <td>{formatTimestamp(token.created_at)}</td>
                      <td>{token.expires_at ? formatTimestamp(token.expires_at) : 'Kein Ablauf'}</td>
                      <td>{token.last_used_at ? formatTimestamp(token.last_used_at) : '-'}</td>
                      <td>
                        <span className={`badge ${disabled || expired ? 'danger' : 'primary'}`}>
                          {disabled ? 'Deaktiviert' : expired ? 'Abgelaufen' : 'Aktiv'}
                        </span>
                      </td>
                      <td>
                        {disabled ? null : (
                          <form className="inline-form" action={adminDisableUploadTokenAction}>
                            <input type="hidden" name="csrfToken" value={csrfToken} />
                            <input type="hidden" name="tokenId" value={token.id} />
                            <button className="btn danger" type="submit">
                              Deaktivieren
                            </button>
                          </form>
                        )}
                      </td>
                    </tr>
                  );
                })}
              </tbody>
            </table>
          </div>
        )}
      </section>
    </main>
  );
}