<?php
$adminTitle = 'Owner Edit Requests';
include __DIR__.'/admin_header.php';

// ── Field labels & apply logic ────────────────────────────
$fieldLabels = [
    'description' => 'Description',
    'address'     => 'Address',
    'phone'       => 'Phone',
    'email'       => 'Email',
    'website'     => 'Website',
    'video_url'   => 'Video URL',
    'hours'       => 'Hours of Operation',
    'is_active'   => 'Listing Status (Open/Closed)',
];

// ── POST: approve / reject individual or all ─────────────
if (isPost()) {
    csrfCheck();
    $act = p('_act');

    // Approve single field change
    if ($act === 'approve') {
        $reqId = (int)p('req_id');
        $req   = qone("SELECT * FROM business_edit_requests WHERE id=?", [$reqId]);
        if ($req && $req['status'] === 'pending') {
            $field = $req['field'];
            $val   = $req['new_value'];
            // Validate field is one we allow
            if (array_key_exists($field, $fieldLabels)) {
                if ($field === 'is_active') {
                    qrun("UPDATE businesses SET is_active=? WHERE id=?", [(int)$val, $req['business_id']]);
                } elseif ($field === 'hours') {
                    // Validate JSON before applying
                    $decoded = json_decode($val, true);
                    if (is_array($decoded)) {
                        qrun("UPDATE businesses SET hours=? WHERE id=?", [$val, $req['business_id']]);
                    }
                } elseif ($field === 'video_url') {
                    if (validBusinessVideoUrl($val)) {
                        qrun("UPDATE businesses SET video_url=? WHERE id=?", [$val, $req['business_id']]);
                    }
                } else {
                    qrun("UPDATE businesses SET $field=? WHERE id=?", [$val, $req['business_id']]);
                }
                qrun("UPDATE business_edit_requests SET status='approved', reviewed_at=datetime('now') WHERE id=?", [$reqId]);
                flash('Change approved and applied.', 'success');
            }
        }
        go('/admin/biz_edits.php'.(p('biz_id') ? '?biz_id='.p('biz_id') : ''));
    }

    // Reject single field change
    if ($act === 'reject') {
        $reqId = (int)p('req_id');
        $notes = ps('admin_notes');
        qrun("UPDATE business_edit_requests SET status='rejected', admin_notes=?, reviewed_at=datetime('now') WHERE id=?",
             [$notes, $reqId]);
        flash('Change rejected.', 'info');
        go('/admin/biz_edits.php'.(p('biz_id') ? '?biz_id='.p('biz_id') : ''));
    }

    // Approve ALL pending for a business
    if ($act === 'approve_all') {
        $bizId = (int)p('biz_id');
        $reqs  = qall("SELECT * FROM business_edit_requests WHERE business_id=? AND status='pending'", [$bizId]);
        $count = 0;
        foreach ($reqs as $req) {
            $field = $req['field'];
            $val   = $req['new_value'];
            if (!array_key_exists($field, $fieldLabels)) continue;
            if ($field === 'is_active') {
                qrun("UPDATE businesses SET is_active=? WHERE id=?", [(int)$val, $bizId]);
            } elseif ($field === 'hours') {
                $decoded = json_decode($val, true);
                if (is_array($decoded)) {
                    qrun("UPDATE businesses SET hours=? WHERE id=?", [$val, $bizId]);
                }
            } elseif ($field === 'video_url') {
                if (validBusinessVideoUrl($val)) {
                    qrun("UPDATE businesses SET video_url=? WHERE id=?", [$val, $bizId]);
                }
            } else {
                qrun("UPDATE businesses SET $field=? WHERE id=?", [$val, $bizId]);
            }
            qrun("UPDATE business_edit_requests SET status='approved', reviewed_at=datetime('now') WHERE id=?", [$req['id']]);
            $count++;
        }
        flash("All $count pending change".($count!=1?'s':'')." approved and applied.", 'success');
        go('/admin/biz_edits.php?biz_id='.$bizId);
    }

    // Reject ALL pending for a business
    if ($act === 'reject_all') {
        $bizId = (int)p('biz_id');
        $notes = ps('admin_notes');
        qrun("UPDATE business_edit_requests SET status='rejected', admin_notes=?, reviewed_at=datetime('now')
              WHERE business_id=? AND status='pending'",
             [$notes, $bizId]);
        flash('All pending changes rejected.', 'info');
        go('/admin/biz_edits.php?biz_id='.$bizId);
    }
}

// ── Filter by business ───────────────────────────────────
$bizId      = iget('biz_id');
$filterStatus = gs('status') ?: 'pending';

// Grouped: businesses that have edit requests
$bizWithEdits = qall("
    SELECT b.id, b.name, b.slug,
           COUNT(CASE WHEN ber.status='pending'  THEN 1 END) AS pending_count,
           COUNT(CASE WHEN ber.status='approved' THEN 1 END) AS approved_count,
           COUNT(CASE WHEN ber.status='rejected' THEN 1 END) AS rejected_count,
           MAX(ber.created_at) AS latest_request
    FROM business_edit_requests ber
    JOIN businesses b ON b.id = ber.business_id
    GROUP BY b.id
    ORDER BY pending_count DESC, latest_request DESC
");

// Requests for selected business
$requests = [];
$selectedBiz = null;
if ($bizId) {
    $selectedBiz = qone("SELECT * FROM businesses WHERE id=?", [$bizId]);
    $whereStatus = $filterStatus === 'all' ? "" : "AND ber.status=?";
    $params      = $filterStatus === 'all' ? [$bizId] : [$bizId, $filterStatus];
    $requests    = qall("
        SELECT ber.*, u.username
        FROM business_edit_requests ber
        JOIN users u ON u.id = ber.user_id
        WHERE ber.business_id=? $whereStatus
        ORDER BY CASE ber.status WHEN 'pending' THEN 0 ELSE 1 END, ber.created_at DESC
    ", $params);
}
?>
<?php adminTitle('Owner Edit Requests', 'Review and approve or reject listing changes submitted by assigned business owners.') ?>

<div style="display:grid;grid-template-columns:280px 1fr;gap:1.5rem;align-items:start">

<!-- ── Left: business list ─────────────────────────────── -->
<div>
  <div style="font-family:'Oswald',sans-serif;font-size:.72rem;letter-spacing:.18em;color:var(--gold);margin-bottom:.65rem">
    BUSINESSES WITH EDITS
  </div>
  <?php if ($bizWithEdits): ?>
  <?php foreach ($bizWithEdits as $bwe): ?>
  <a href="/admin/biz_edits.php?biz_id=<?=$bwe['id']?>"
     style="display:block;padding:.75rem 1rem;border-radius:var(--r);margin-bottom:.35rem;
            background:<?=$bizId===$bwe['id']?'var(--gold-dim)':'var(--bg3)'?>;
            border:1px solid <?=$bizId===$bwe['id']?'var(--gold-d)':'var(--bdr)'?>;
            text-decoration:none;transition:all .18s"
     class="<?=$bizId===$bwe['id']?'':'asl-hover'?>">
    <div style="font-weight:600;color:var(--text);font-size:.9rem;margin-bottom:.25rem"><?=e($bwe['name'])?></div>
    <div class="flex-row" style="gap:.4rem;flex-wrap:wrap">
      <?php if ($bwe['pending_count']): ?>
        <span class="badge badge-gold"><?=$bwe['pending_count']?> pending</span>
      <?php endif; ?>
      <?php if ($bwe['approved_count']): ?>
        <span class="badge badge-green"><?=$bwe['approved_count']?> approved</span>
      <?php endif; ?>
      <?php if ($bwe['rejected_count']): ?>
        <span class="badge badge-gray"><?=$bwe['rejected_count']?> rejected</span>
      <?php endif; ?>
    </div>
    <div style="font-size:.73rem;color:var(--text-d);margin-top:.25rem">
      Last: <?=ago($bwe['latest_request'] ?? '')?>
    </div>
  </a>
  <?php endforeach; ?>
  <?php else: ?>
  <div style="color:var(--text-d);font-size:.88rem;padding:.75rem">No edit requests yet.</div>
  <?php endif; ?>
</div>

<!-- ── Right: requests for selected business ───────────── -->
<div>
  <?php if ($selectedBiz): ?>

  <!-- Business header -->
  <div style="display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;margin-bottom:1.25rem">
    <div>
      <div style="font-family:'Oswald',sans-serif;font-size:1.1rem;color:var(--text)"><?=e($selectedBiz['name'])?></div>
      <div style="font-size:.82rem;color:var(--text-d)">
        <a href="/business.php?slug=<?=e($selectedBiz['slug'])?>" target="_blank" style="color:var(--gold)">View public listing ↗</a>
      </div>
    </div>
    <!-- Status filter -->
    <div class="flex-row" style="gap:.4rem">
      <?php foreach(['pending'=>'Pending','approved'=>'Approved','rejected'=>'Rejected','all'=>'All'] as $k=>$lbl): ?>
      <a href="/admin/biz_edits.php?biz_id=<?=$bizId?>&status=<?=$k?>"
         class="btn btn-xs <?=$filterStatus===$k?'btn-primary':'btn-outline'?>"><?=$lbl?></a>
      <?php endforeach; ?>
    </div>
  </div>

  <?php
  $pendingReqs = array_filter($requests, fn($r) => $r['status'] === 'pending');
  ?>

  <!-- Approve all / Reject all bar -->
  <?php if (count($pendingReqs) > 1): ?>
  <div style="background:var(--bg3);border:1px solid var(--bdr);border-radius:var(--r);padding:1rem 1.25rem;margin-bottom:1.25rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem">
    <span style="font-size:.88rem;color:var(--text-m)">
      <strong style="color:var(--gold)"><?=count($pendingReqs)?></strong> pending changes for this listing
    </span>
    <div class="flex-row" style="gap:.5rem">
      <form method="POST">
        <?=csrfField()?>
        <input type="hidden" name="_act"   value="approve_all">
        <input type="hidden" name="biz_id" value="<?=$bizId?>">
        <button class="btn btn-success btn-sm" data-confirm="Approve ALL <?=count($pendingReqs)?> pending changes for <?=e($selectedBiz['name'])?>?">
          ✅ Approve All
        </button>
      </form>
      <form method="POST" id="rejectAllForm">
        <?=csrfField()?>
        <input type="hidden" name="_act"   value="reject_all">
        <input type="hidden" name="biz_id" value="<?=$bizId?>">
        <input type="text" name="admin_notes" class="finput" style="width:200px;font-size:.8rem;padding:.35rem .6rem" placeholder="Reason (optional)">
        <button class="btn btn-danger btn-sm" data-confirm="Reject ALL pending changes?">
          ✕ Reject All
        </button>
      </form>
    </div>
  </div>
  <?php endif; ?>

  <!-- Individual requests -->
  <?php if ($requests): ?>
  <?php foreach ($requests as $req): ?>
  <?php
    $isPending = $req['status'] === 'pending';
    $label     = $fieldLabels[$req['field']] ?? ucfirst($req['field']);
    $isHours   = $req['field'] === 'hours';
    $isStatus  = $req['field'] === 'is_active';
  ?>
  <div class="ibox" style="margin-bottom:1.1rem;<?= $isPending ? 'border-color:var(--gold-d)' : '' ?>">
    <div style="display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem;flex-wrap:wrap">
      <div>
        <span style="font-family:'Oswald',sans-serif;font-size:.82rem;letter-spacing:.1em;color:var(--gold)"><?=e($label)?></span>
        <span style="margin-left:.6rem">
          <?php if ($isPending): ?>
            <span class="badge badge-gold">PENDING</span>
          <?php elseif ($req['status']==='approved'): ?>
            <span class="badge badge-green">APPROVED</span>
          <?php else: ?>
            <span class="badge badge-gray">REJECTED</span>
          <?php endif; ?>
        </span>
        <span style="font-size:.75rem;color:var(--text-d);margin-left:.5rem">
          by <strong><?=e($req['username'] ?? '')?></strong> · <?=ago($req['created_at'] ?? '')?>
        </span>
      </div>
    </div>

    <!-- Old vs New values -->
    <div style="display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1rem 0">
      <div>
        <div style="font-family:'Oswald',sans-serif;font-size:.65rem;letter-spacing:.16em;color:var(--text-d);margin-bottom:.4rem">CURRENT VALUE</div>
        <div style="background:var(--bg2);border:1px solid var(--bdr);border-radius:4px;padding:.65rem .85rem;font-size:.84rem;color:var(--text-m)">
          <?php if ($isHours): ?>
            <?php $oldH = parseHours($req['old_value']); ?>
            <?php if ($oldH): ?>
              <?php foreach ($oldH as $d => $t): ?>
              <div style="display:flex;gap:.5rem;font-size:.8rem"><span style="color:var(--text-d);min-width:32px"><?=e($d)?></span><span><?=e($t)?></span></div>
              <?php endforeach; ?>
            <?php else: ?><em style="color:var(--text-d)">Not set</em><?php endif; ?>
          <?php elseif ($isStatus): ?>
            <?= $req['old_value'] === '1' ? '<span style="color:var(--green-l)">✅ Open / Active</span>' : '<span style="color:var(--text-d)">🔴 Closed / Inactive</span>' ?>
          <?php else: ?>
            <?= $req['old_value'] !== '' ? e($req['old_value']) : '<em style="color:var(--text-d)">Empty</em>' ?>
          <?php endif; ?>
        </div>
      </div>
      <div>
        <div style="font-family:'Oswald',sans-serif;font-size:.65rem;letter-spacing:.16em;color:var(--green-l);margin-bottom:.4rem">PROPOSED CHANGE</div>
        <div style="background:rgba(42,122,71,.1);border:1px solid rgba(58,165,94,.35);border-radius:4px;padding:.65rem .85rem;font-size:.84rem;color:var(--text)">
          <?php if ($isHours): ?>
            <?php $newH = parseHours($req['new_value']); ?>
            <?php if ($newH): ?>
              <?php foreach ($newH as $d => $t): ?>
              <div style="display:flex;gap:.5rem;font-size:.8rem"><span style="color:var(--gold);min-width:32px"><?=e($d)?></span><span><?=e($t)?></span></div>
              <?php endforeach; ?>
            <?php else: ?><em style="color:var(--text-d)">Clear hours</em><?php endif; ?>
          <?php elseif ($isStatus): ?>
            <?= $req['new_value'] === '1' ? '<span style="color:var(--green-l)">✅ Open / Active</span>' : '<span style="color:var(--text-d)">🔴 Closed / Inactive</span>' ?>
          <?php else: ?>
            <?= $req['new_value'] !== '' ? e($req['new_value']) : '<em style="color:var(--text-d)">Empty</em>' ?>
          <?php endif; ?>
        </div>
      </div>
    </div>

    <?php if (!empty($req['admin_notes'])): ?>
    <div style="font-size:.82rem;color:var(--text-d);margin-bottom:.75rem">
      <strong>Admin note:</strong> <?=e($req['admin_notes'])?>
    </div>
    <?php endif; ?>

    <?php if ($isPending): ?>
    <div class="flex-row" style="gap:.6rem;flex-wrap:wrap">
      <form method="POST" style="display:inline">
        <?=csrfField()?>
        <input type="hidden" name="_act"    value="approve">
        <input type="hidden" name="req_id"  value="<?=$req['id']?>">
        <input type="hidden" name="biz_id"  value="<?=$bizId?>">
        <button class="btn btn-success btn-sm">✅ Approve &amp; Apply</button>
      </form>
      <form method="POST" style="display:flex;gap:.4rem;align-items:center;flex-wrap:wrap">
        <?=csrfField()?>
        <input type="hidden" name="_act"    value="reject">
        <input type="hidden" name="req_id"  value="<?=$req['id']?>">
        <input type="hidden" name="biz_id"  value="<?=$bizId?>">
        <input type="text" name="admin_notes" class="finput"
               style="width:200px;font-size:.8rem;padding:.35rem .6rem"
               placeholder="Reason for rejection (optional)">
        <button class="btn btn-danger btn-sm">✕ Reject</button>
      </form>
    </div>
    <?php endif; ?>
  </div>
  <?php endforeach; ?>
  <?php else: ?>
  <div class="empty" style="padding:2rem">
    <div class="empty-ico">📋</div>
    <h3>No <?= $filterStatus !== 'all' ? $filterStatus : '' ?> requests for this business</h3>
  </div>
  <?php endif; ?>

  <?php else: ?>
  <div class="empty" style="padding:3rem">
    <div class="empty-ico">📋</div>
    <h3>Select a business from the left to review its edit requests</h3>
    <?php if (empty($bizWithEdits)): ?>
    <p style="margin-top:.75rem;color:var(--text-d);font-size:.88rem">
      No edit requests have been submitted yet. Assigned owners can propose changes from their business listing page.
    </p>
    <?php endif; ?>
  </div>
  <?php endif; ?>
</div>

</div><!-- /grid -->
<?php include __DIR__.'/admin_footer.php'; ?>