<?php
require_once __DIR__ . '/includes/auth.php';
$user = require_section('cenik');
require_once __DIR__ . '/includes/layout.php';

$id = isset($_GET['id']) ? (int)$_GET['id'] : null;

$c = [
    'nazev_cs' => '', 'nazev_en' => '', 'nazev_de' => '',
    'castka' => 0, 'poradi' => 0, 'aktivni' => 1,
];

if ($id) {
    $stmt = db()->prepare('SELECT * FROM web_cenik_polozky WHERE id = ?');
    $stmt->execute([$id]);
    $row = $stmt->fetch();
    if (!$row) {
        set_flash('error', 'Položka nebyla nalezena.');
        header('Location: cenik.php');
        exit;
    }
    $c = $row;
}

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $values = [
        trim($_POST['nazev_cs'] ?? ''),
        trim($_POST['nazev_en'] ?? ''),
        trim($_POST['nazev_de'] ?? ''),
        (float)str_replace(',', '.', $_POST['castka'] ?? '0'),
        (int)($_POST['poradi'] ?? 0),
        isset($_POST['aktivni']) ? 1 : 0,
    ];

    if ($id) {
        db()->prepare('
            UPDATE web_cenik_polozky SET nazev_cs=?, nazev_en=?, nazev_de=?, castka=?, poradi=?, aktivni=?
            WHERE id=?
        ')->execute([...$values, $id]);
        set_flash('success', 'Položka ceníku byla uložena.');
    } else {
        db()->prepare('
            INSERT INTO web_cenik_polozky (nazev_cs, nazev_en, nazev_de, castka, mena, poradi, aktivni)
            VALUES (?,?,?,?,\'CZK\',?,?)
        ')->execute($values);
        set_flash('success', 'Nová položka ceníku byla přidána.');
    }

    header('Location: cenik.php');
    exit;
}

admin_layout_start('cenik', $id ? 'Upravit položku ceníku' : 'Přidat položku ceníku', '', $user);
?>

<form method="post" class="card" style="padding:26px 28px;max-width:600px;">

  <h3 style="font-size:.9rem;margin-bottom:14px;">Čeština</h3>
  <div class="field"><label for="nazev_cs">Název</label><input type="text" id="nazev_cs" name="nazev_cs" value="<?= htmlspecialchars($c['nazev_cs']) ?>"></div>

  <h3 style="font-size:.9rem;margin:22px 0 14px;border-top:1px solid var(--border);padding-top:18px;">English</h3>
  <div class="field"><label for="nazev_en">Název</label><input type="text" id="nazev_en" name="nazev_en" value="<?= htmlspecialchars($c['nazev_en']) ?>"></div>

  <h3 style="font-size:.9rem;margin:22px 0 14px;border-top:1px solid var(--border);padding-top:18px;">Deutsch</h3>
  <div class="field"><label for="nazev_de">Název</label><input type="text" id="nazev_de" name="nazev_de" value="<?= htmlspecialchars($c['nazev_de']) ?>"></div>

  <div class="field-row" style="margin-top:22px;border-top:1px solid var(--border);padding-top:18px;">
    <div class="field"><label for="castka">Částka (Kč)</label><input type="number" id="castka" name="castka" step="0.01" value="<?= htmlspecialchars((string)$c['castka']) ?>"></div>
    <div class="field"><label for="poradi">Pořadí</label><input type="number" id="poradi" name="poradi" value="<?= (int)$c['poradi'] ?>"></div>
  </div>

  <div class="toggle-row">
    <label for="aktivni">Zobrazit na webu</label>
    <input type="checkbox" id="aktivni" name="aktivni" <?= $c['aktivni'] ? 'checked' : '' ?>>
    <label class="switch" for="aktivni"></label>
  </div>

  <div style="display:flex;gap:10px;margin-top:24px;">
    <button type="submit" class="btn btn-primary">Uložit</button>
    <a href="cenik.php" class="btn btn-secondary">Zrušit</a>
  </div>
</form>

<?php admin_layout_end(); ?>