<?php
session_start();
include __DIR__ . '/includes/header.php';
include __DIR__ . '/includes/nav.php';

$promoFile = __DIR__ . '/data/promo.json';
$entriesFile = __DIR__ . '/data/promo_entries.txt';
$promo = file_exists($promoFile) ? json_decode(file_get_contents($promoFile), true) : [];
if (!is_array($promo)) $promo = [];
$enabled = !empty($promo['enabled']);
$sent = !empty($_GET['sent']);
$error = $_GET['err'] ?? '';
?>
<main class="content-area">
  <div class="smurf-divider"></div>
  <div class="content-wrapper">
    <section class="content-card center-text">
      <h1>🎉 Events & Promotions</h1>
      <p>What’s happening at Almost Heaven Radio.</p>
    </section>

    <div class="smurf-divider"></div>

    <?php if (!$enabled): ?>
      <section class="content-card center-text">
        <h2>No promotions running right now</h2>
        <p style="opacity:.85;">Check back soon 💙</p>
      </section>
    <?php else: ?>
      <section class="content-card" style="text-align:left;">
        <h2 style="margin-top:0;"><?= htmlspecialchars($promo['title'] ?? 'Promotion') ?></h2>

        <?php
          $start = trim((string)($promo['start'] ?? ''));
          $end = trim((string)($promo['end'] ?? ''));
        ?>
        <?php if ($start || $end): ?>
          <div class="content-card" style="margin-top:12px;">
            <strong>⏳ Countdown</strong>
            <div id="promoCountdown" style="margin-top:10px;font-size:1.2em;"></div>
            <script>
              (function(){
                const el = document.getElementById('promoCountdown');
                const endStr = <?= json_encode($end) ?>;
                if(!endStr){ el.textContent = "—"; return; }
                const end = new Date(endStr.replace(' ', 'T') + ":00+01:00"); // UK (approx; DST handled by browser)
                function tick(){
                  const now = new Date();
                  let ms = end - now;
                  if (ms <= 0){ el.textContent = "This promotion has ended."; return; }
                  const s = Math.floor(ms/1000);
                  const d = Math.floor(s/86400);
                  const h = Math.floor((s%86400)/3600);
                  const m = Math.floor((s%3600)/60);
                  const ss = s%60;
                  el.textContent = d+"d "+h+"h "+m+"m "+ss+"s";
                }
                tick();
                setInterval(tick, 1000);
              })();
            </script>
          </div>
        <?php endif; ?>

        <?php if (!empty($promo['description'])): ?>
          <p style="margin-top:14px;white-space:pre-wrap;"><?= htmlspecialchars($promo['description']) ?></p>
        <?php endif; ?>

        <?php if (!empty($promo['prizes']) && is_array($promo['prizes'])): ?>
          <h3 style="margin-top:18px;">🏆 Prizes</h3>
          <ul>
            <?php foreach ($promo['prizes'] as $p): ?>
              <li><?= htmlspecialchars($p) ?></li>
            <?php endforeach; ?>
          </ul>
        <?php endif; ?>
      </section>

      <div class="smurf-divider"></div>

      <section class="content-card" style="text-align:left;">
        <h2 style="margin-top:0;">🎟️ Enter Now</h2>
        <?php if ($sent): ?>
          <div class="content-card" style="border-color:rgba(120,255,220,.6);">✅ Entry received! Good luck!</div>
        <?php elseif ($error): ?>
          <div class="content-card" style="border-color:rgba(255,120,120,.6);">⚠️ <?= htmlspecialchars($error) ?></div>
        <?php endif; ?>

        <form method="post" action="/send_promo_entry.php" class="request-wrapper">
          <div class="request-box">
            <div class="request-field">
              <label>Your Name</label>
              <input type="text" class="request-input" name="name" required>
            </div>
            <div class="request-field">
              <label>Your Email</label>
              <input type="email" class="request-input" name="email" required>
            </div>
            <div class="request-field">
              <label>Message (optional)</label>
              <textarea class="request-input" name="message" rows="4" placeholder="Tell us why you should win 😊"></textarea>
            </div>
            <button type="submit" class="btn-accent">Submit Entry 🎉</button>
          </div>
        </form>
      </section>
    <?php endif; ?>

  </div>
</main>
<?php include __DIR__ . '/includes/footer.php'; ?>
