<?php
require_once __DIR__ . '/auth.php';
require_once __DIR__ . '/../includes/layout.php';
admin_require_auth();

$db = get_db();

// Handle quick-actions
$msg = ''; $msg_type = 'success';

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $action = $_POST['action'] ?? '';

    if ($action === 'delete' && !empty($_POST['id'])) {
        $id = (int)$_POST['id'];
        $v  = get_video_by_id($id);
        if ($v) {
            // Remove local source files + thumbnail
            foreach ($v['sources'] as $s) {
                if (source_is_local($s)) {
                    $f = MEDIA_DIR . $s['file_path'];
                    if ($s['file_path'] && file_exists($f)) unlink($f);
                }
            }
            if ($v['thumbnail']) {
                $t = MEDIA_DIR . $v['thumbnail'];
                if (file_exists($t)) unlink($t);
            }
            $db->prepare("DELETE FROM videos WHERE id=?")->execute([$id]);
            $msg = 'Video deleted.';
        }
    }

    if ($action === 'toggle_published' && !empty($_POST['id'])) {
        $id  = (int)$_POST['id'];
        $row = $db->prepare("SELECT published FROM videos WHERE id=?");
        $row->execute([$id]);
        $cur = $row->fetchColumn();
        $db->prepare("UPDATE videos SET published=? WHERE id=?")->execute([$cur ? 0 : 1, $id]);
        $msg = 'Video ' . ($cur ? 'unpublished' : 'published') . '.';
    }

    if ($action === 'correct_youtube_timestamps') {
        $limit = max(1, min(100, (int)($_POST['timestamp_limit'] ?? 25)));
        $result = media_correct_youtube_timestamps($limit);
        $msg = 'Upkeeping checked ' . $result['checked'] . ' YouTube video' . ($result['checked'] === 1 ? '' : 's') . ': ';
        $msg .= $result['corrected'] . ' corrected';
        if ($result['already_correct']) $msg .= ', ' . $result['already_correct'] . ' already correct';
        if ($result['not_found']) $msg .= ', ' . $result['not_found'] . ' without a readable original date';
        $msg .= '.';
    }

    if ($action === 'restore_external_view_counts') {
        $limit = max(1, min(100, (int)($_POST['external_view_limit'] ?? 25)));
        $result = media_restore_external_view_counts($limit);
        $msg = 'Upkeeping checked ' . $result['checked'] . ' external video' . ($result['checked'] === 1 ? '' : 's') . ': ';
        $msg .= $result['restored'] . ' restored';
        if ($result['already_current']) $msg .= ', ' . $result['already_current'] . ' already current';
        if ($result['not_found']) $msg .= ', ' . $result['not_found'] . ' without a readable external count';
        $msg .= '.';
    }
}

// Search + pagination
$search   = trim($_GET['q'] ?? '');
$page     = max(1, (int)($_GET['page'] ?? 1));
$per_page = (int)setting('catalogue_per_page', '10');

$where_sql = $search ? "WHERE v.title LIKE :q OR v.description LIKE :q" : '';
$bind      = $search ? [':q' => '%' . $search . '%'] : [];

$total_stmt = $db->prepare("SELECT COUNT(*) FROM videos v $where_sql");
$total_stmt->execute($bind);
$total = (int)$total_stmt->fetchColumn();
$total_pages = max(1, (int)ceil($total / $per_page));
$page  = min($page, $total_pages);
$offset = ($page - 1) * $per_page;

$list_stmt = $db->prepare("
    SELECT v.id, v.title, v.slug, v.thumbnail, v.duration, v.published, v.sort_order,
           v.created_at, v.view_count,
           COUNT(vs.id) AS source_count,
           SUM(CASE WHEN vs.source_type='remote' THEN 1 ELSE 0 END) AS remote_count
    FROM videos v
    LEFT JOIN video_sources vs ON vs.video_id = v.id
    $where_sql
    GROUP BY v.id
    ORDER BY v.sort_order ASC, v.id DESC
    LIMIT :limit OFFSET :offset
");
foreach ($bind as $k => $val) $list_stmt->bindValue($k, $val);
$list_stmt->bindValue(':limit',  $per_page, PDO::PARAM_INT);
$list_stmt->bindValue(':offset', $offset,   PDO::PARAM_INT);
$list_stmt->execute();
$videos = $list_stmt->fetchAll();
$youtube_timestamp_candidates = media_youtube_timestamp_candidate_count();
$external_view_candidates = media_external_view_count_candidate_count();
$admin_total_views = total_video_views(false);

$qs = fn($p) => '?' . http_build_query(array_filter(['q' => $search, 'page' => $p]));

render_head('Admin — TyClifford.com', '
  .admin-layout { display:grid; grid-template-columns:1fr; gap:1.5rem; }
  @media(min-width:900px) { .admin-layout { grid-template-columns:220px 1fr; } }

  .admin-nav {
    background:var(--surface); border:1px solid var(--border);
    border-radius:calc(var(--r)+2px); padding:1.2rem;
    display:flex; flex-direction:column; gap:.4rem;
    align-self:start; position:sticky; top:1rem;
  }
  .admin-nav-label { font-family:"Share Tech Mono",monospace; font-size:.58rem; letter-spacing:.18em; text-transform:uppercase; color:var(--text-3); margin-bottom:.3rem; padding-left:.5rem; }
  .admin-nav a {
    display:flex; align-items:center; gap:.6rem;
    padding:.55rem .75rem; border-radius:var(--r);
    font-size:.82rem; color:var(--text-2); text-decoration:none;
    transition:background .15s, color .15s;
  }
  .admin-nav a:hover { background:rgba(255,255,255,.05); color:var(--text); }
  .admin-nav a.active { background:rgba(176,96,255,.12); color:var(--purple); }
  .admin-nav a svg { flex-shrink:0; }
  .nav-divider { border:none; border-top:1px solid var(--border); margin:.4rem 0; }

  .admin-main { display:flex; flex-direction:column; gap:1rem; }
  .admin-toolbar { display:flex; align-items:center; gap:.75rem; flex-wrap:wrap; justify-content:space-between; }
  .search-form { display:flex; gap:.5rem; flex:1; min-width:0; max-width:360px; }
  .search-form input { flex:1; }

  .video-table { width:100%; border-collapse:collapse; }
  .video-table th, .video-table td {
    padding:.65rem .85rem; text-align:left;
    border-bottom:1px solid var(--border);
    font-size:.82rem;
  }
  .video-table th {
    font-family:"Share Tech Mono",monospace; font-size:.62rem; letter-spacing:.12em;
    text-transform:uppercase; color:var(--text-3); background:var(--surface-2);
  }
  .video-table tr:hover td { background:rgba(255,255,255,.02); }
  .video-table .thumb-cell { width:80px; }
  .video-table .thumb-cell img { width:72px; height:40px; object-fit:cover; border-radius:4px; display:block; background:var(--surface-2); }
  .video-table .thumb-cell .no-thumb-sm { width:72px; height:40px; border-radius:4px; background:var(--surface-2); display:flex; align-items:center; justify-content:center; font-family:"Share Tech Mono",monospace; font-size:.45rem; color:var(--text-3); }
  .video-table .title-cell { max-width:250px; }
  .video-table .title-cell a { color:var(--text); text-decoration:none; font-weight:600; }
  .video-table .title-cell a:hover { color:var(--purple); }
  .video-table .title-cell .slug { font-family:"Share Tech Mono",monospace; font-size:.65rem; color:var(--text-3); display:block; margin-top:.15rem; }
  .video-table .actions-cell { white-space:nowrap; }
  .badge { display:inline-flex; align-items:center; padding:.18em .55em; border-radius:99px; font-family:"Share Tech Mono",monospace; font-size:.6rem; letter-spacing:.08em; }
  .badge-green  { background:rgba(0,232,122,.12); color:var(--green); border:1px solid rgba(0,232,122,.25); }
  .badge-gray   { background:rgba(255,255,255,.05); color:var(--text-3); border:1px solid var(--border-2); }

  .table-wrap { overflow-x:auto; background:var(--surface); border:1px solid var(--border); border-radius:calc(var(--r)+2px); }

  .admin-footer-bar { display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap; }
  .rec-count { font-family:"Share Tech Mono",monospace; font-size:.63rem; color:var(--text-3); letter-spacing:.06em; }
  .section-heading { font-family:"Share Tech Mono",monospace; font-size:.65rem; letter-spacing:.15em; text-transform:uppercase; color:var(--text-3); margin-bottom:.75rem; }
  .hint { font-size:.72rem; color:var(--text-3); margin-top:.2rem; line-height:1.5; }
  .upkeep-stack { display:flex; flex-direction:column; gap:1rem; }
  .upkeep-row { display:flex; align-items:flex-end; justify-content:space-between; gap:1rem; flex-wrap:wrap; }
  .upkeep-row + .upkeep-row { border-top:1px solid var(--border); padding-top:1rem; }
  .upkeep-copy { max-width:620px; }
  .upkeep-form { display:flex; align-items:flex-end; gap:.65rem; flex-wrap:wrap; }
  .upkeep-form .form-group { min-width:120px; }
');
?>
<main class="page" role="main">
  <header class="topbar">
    <div class="topbar-brand">
      <div>
        <div class="brand-name">Ty Clifford</div>
        <div class="brand-sub">admin / dashboard</div>
      </div>
    </div>
    <nav class="topbar-social">
      <a class="social-pill" href="<?= h(public_absolute_url(public_home_url())) ?>" target="_blank">
        <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M18 13v6a2 2 0 01-2 2H5a2 2 0 01-2-2V8a2 2 0 012-2h6"/><polyline points="15,3 21,3 21,9"/><line x1="10" y1="14" x2="21" y2="3"/></svg>
        View Site
      </a>
      <a class="social-pill" href="logout.php">
        <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M9 21H5a2 2 0 01-2-2V5a2 2 0 012-2h4"/><polyline points="16,17 21,12 16,7"/><line x1="21" y1="12" x2="9" y2="12"/></svg>
        Logout
      </a>
    </nav>
  </header>

  <?php if ($msg): ?>
    <div class="notice notice-<?= $msg_type ?>"><?= h($msg) ?></div>
  <?php endif; ?>

  <div class="admin-layout">

    <!-- Sidebar nav -->
    <aside class="admin-nav">
      <div class="admin-nav-label">Navigation</div>
      <a href="index.php" class="active">
        <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="8" y1="21" x2="16" y2="21"/><line x1="12" y1="17" x2="12" y2="21"/></svg>
        Videos
      </a>
      <a href="add.php">
        <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="16"/><line x1="8" y1="12" x2="16" y2="12"/></svg>
        Add Video
      </a>
      <a href="youtube_import.php">
        <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M22.54 6.42a2.78 2.78 0 00-1.95-2C18.88 4 12 4 12 4s-6.88 0-8.59.46a2.78 2.78 0 00-1.95 2A29 29 0 001 12a29 29 0 00.46 5.58 2.78 2.78 0 001.95 2C5.12 20 12 20 12 20s6.88 0 8.59-.46a2.78 2.78 0 001.95-2A29 29 0 0023 12a29 29 0 00-.46-5.58z"/><polygon points="10,15 15,12 10,9"/></svg>
        YouTube Importer
      </a>
      <hr class="nav-divider">
      <a href="settings.php">
        <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="3"/><path d="M19.07 4.93l-1.41 1.41M4.93 4.93l1.41 1.41M19.07 19.07l-1.41-1.41M4.93 19.07l1.41-1.41M12 2v2M12 20v2M2 12h2M20 12h2"/></svg>
        Settings
      </a>
    </aside>

    <!-- Main content -->
    <div class="admin-main">

      <div class="card">
        <p class="section-heading">Upkeeping</p>
        <div class="upkeep-stack">
          <div class="upkeep-row">
            <div class="upkeep-copy">
              <h2 class="card-title">Correct YouTube timestamps</h2>
              <p class="hint">
                Fetches original YouTube publish dates and updates the database timestamp shown in the admin list and public catalogue.
                <?= $youtube_timestamp_candidates ?> YouTube-backed video<?= $youtube_timestamp_candidates === 1 ? '' : 's' ?> currently match this upkeep task.
              </p>
            </div>
            <form class="upkeep-form" method="post" action="index.php">
              <input type="hidden" name="action" value="correct_youtube_timestamps">
              <div class="form-group">
                <label class="form-label" for="timestamp_limit">Batch Size</label>
                <input class="form-input" type="number" id="timestamp_limit" name="timestamp_limit" value="25" min="1" max="100">
              </div>
              <button class="btn btn-secondary btn-sm" type="submit">
                Correct Dates
              </button>
            </form>
          </div>
          <div class="upkeep-row">
            <div class="upkeep-copy">
              <h2 class="card-title">Restore external view counts</h2>
              <p class="hint">
                Scrapes readable counts from supported external providers and stores the higher value between the provider and local database.
                <?= $external_view_candidates ?> external video<?= $external_view_candidates === 1 ? '' : 's' ?> can be checked.
                Current database total: <?= h(view_count_label((int)$admin_total_views)) ?>.
              </p>
            </div>
            <form class="upkeep-form" method="post" action="index.php">
              <input type="hidden" name="action" value="restore_external_view_counts">
              <div class="form-group">
                <label class="form-label" for="external_view_limit">Batch Size</label>
                <input class="form-input" type="number" id="external_view_limit" name="external_view_limit" value="25" min="1" max="100">
              </div>
              <button class="btn btn-secondary btn-sm" type="submit">
                Restore Views
              </button>
            </form>
          </div>
        </div>
      </div>

      <div class="admin-toolbar">
        <form class="search-form" method="get" action="index.php">
          <input class="form-input" type="search" name="q"
                 placeholder="Search videos…" value="<?= h($search) ?>">
          <button class="btn btn-secondary btn-sm" type="submit">
            <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
            Search
          </button>
          <?php if ($search): ?>
            <a href="index.php" class="btn btn-secondary btn-sm">✕ Clear</a>
          <?php endif; ?>
        </form>
        <a href="add.php" class="btn btn-primary btn-sm">
          <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
          Add Video
        </a>
        <a href="youtube_import.php" class="btn btn-secondary btn-sm">
          <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M22.54 6.42a2.78 2.78 0 00-1.95-2C18.88 4 12 4 12 4s-6.88 0-8.59.46a2.78 2.78 0 00-1.95 2A29 29 0 001 12a29 29 0 00.46 5.58 2.78 2.78 0 001.95 2C5.12 20 12 20 12 20s6.88 0 8.59-.46a2.78 2.78 0 001.95-2A29 29 0 0023 12a29 29 0 00-.46-5.58z"/><polygon points="10,15 15,12 10,9"/></svg>
          Import YouTube
        </a>
      </div>

      <div class="table-wrap">
        <table class="video-table">
          <thead>
            <tr>
              <th class="thumb-cell">Thumb</th>
              <th class="title-cell">Title / Slug</th>
              <th>Duration</th>
              <th>Sources</th>
              <th>Views</th>
              <th>Status</th>
              <th>Date</th>
              <th class="actions-cell">Actions</th>
            </tr>
          </thead>
          <tbody>
            <?php if (empty($videos)): ?>
              <tr><td colspan="8" style="text-align:center;padding:3rem;font-family:'Share Tech Mono',monospace;font-size:.7rem;color:var(--text-3);">
                <?= $search ? 'No videos match "' . h($search) . '"' : 'No videos yet. <a href="add.php" style="color:var(--purple)">Add one!</a>' ?>
              </td></tr>
            <?php else: ?>
              <?php foreach ($videos as $v): ?>
                <tr>
                  <td class="thumb-cell">
                    <?php if ($v['thumbnail']): ?>
                      <img src="<?= h('../' . MEDIA_URL . $v['thumbnail']) ?>" alt="">
                    <?php else: ?>
                      <div class="no-thumb-sm">NO IMG</div>
                    <?php endif; ?>
                  </td>
                  <td class="title-cell">
                    <a href="edit.php?id=<?= $v['id'] ?>"><?= h($v['title']) ?></a>
                    <span class="slug">/<?= h($v['slug']) ?></span>
                  </td>
                  <td style="font-family:'Share Tech Mono',monospace;font-size:.7rem;color:var(--text-3);">
                    <?= $v['duration'] ? format_duration((int)$v['duration']) : '—' ?>
                  </td>
                  <td style="font-family:'Share Tech Mono',monospace;font-size:.7rem;color:var(--text-2);">
                    <?= $v['source_count'] ?> source<?= $v['source_count'] != 1 ? 's' : '' ?>
                    <?php if ((int)$v['remote_count'] > 0): ?>
                      <span style="color:var(--text-3);"> · <?= (int)$v['remote_count'] ?> URL<?= (int)$v['remote_count'] != 1 ? 's' : '' ?></span>
                    <?php endif; ?>
                  </td>
                  <td style="font-family:'Share Tech Mono',monospace;font-size:.7rem;color:var(--text-2);">
                    <?= h(format_count((int)$v['view_count'])) ?>
                  </td>
                  <td>
                    <span class="badge <?= $v['published'] ? 'badge-green' : 'badge-gray' ?>">
                      <?= $v['published'] ? 'Published' : 'Draft' ?>
                    </span>
                  </td>
                  <td style="font-family:'Share Tech Mono',monospace;font-size:.65rem;color:var(--text-3);">
                    <?= substr($v['created_at'], 0, 10) ?>
                  </td>
                  <td class="actions-cell">
                    <div style="display:flex;gap:.4rem;align-items:center;">
                      <a href="edit.php?id=<?= $v['id'] ?>" class="btn btn-secondary btn-sm" title="Edit">
                        <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M11 4H4a2 2 0 00-2 2v14a2 2 0 002 2h14a2 2 0 002-2v-7"/><path d="M18.5 2.5a2.121 2.121 0 013 3L12 15l-4 1 1-4 9.5-9.5z"/></svg>
                        Edit
                      </a>
                      <form method="post" style="display:inline" onsubmit="return confirm('Delete this video and all its files?')">
                        <input type="hidden" name="action" value="delete">
                        <input type="hidden" name="id" value="<?= $v['id'] ?>">
                        <button class="btn btn-danger btn-sm" type="submit" title="Delete">
                          <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="3,6 5,6 21,6"/><path d="M19 6l-1 14H6L5 6"/><path d="M10 11v6M14 11v6"/><path d="M9 6V4h6v2"/></svg>
                        </button>
                      </form>
                      <form method="post" style="display:inline">
                        <input type="hidden" name="action" value="toggle_published">
                        <input type="hidden" name="id" value="<?= $v['id'] ?>">
                        <button class="btn btn-secondary btn-sm" type="submit" title="<?= $v['published'] ? 'Unpublish' : 'Publish' ?>">
                          <?php if ($v['published']): ?>
                            <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M17.94 17.94A10.07 10.07 0 0112 20c-7 0-11-8-11-8a18.45 18.45 0 015.06-5.94"/><path d="M9.9 4.24A9.12 9.12 0 0112 4c7 0 11 8 11 8a18.5 18.5 0 01-2.16 3.19"/><line x1="1" y1="1" x2="23" y2="23"/></svg>
                          <?php else: ?>
                            <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg>
                          <?php endif; ?>
                        </button>
                      </form>
                    </div>
                  </td>
                </tr>
              <?php endforeach; ?>
            <?php endif; ?>
          </tbody>
        </table>
      </div>

      <?php if ($total_pages > 1 || $total > 0): ?>
        <div class="admin-footer-bar">
          <span class="rec-count">
            <?= $total ?> video<?= $total != 1 ? 's' : '' ?>
            <?= $search ? '· filtered' : '' ?>
            · page <?= $page ?> of <?= $total_pages ?>
          </span>
          <?php
            render_pagination($page, $total_pages, 'index.php?' . ($search ? 'q=' . urlencode($search) . '&' : '') . 'page=%d');
          ?>
        </div>
      <?php endif; ?>

    </div><!-- /admin-main -->
  </div><!-- /admin-layout -->

  <?php render_footer(); ?>
</main>
</body>
</html>