<?php
require_once dirname(__DIR__).'/includes/boot.php';
requireAdmin();
$adminTitle = 'Menus';

$bizId = iget('biz_id');
$biz = $bizId ? qone("SELECT * FROM businesses WHERE id=?",[$bizId]) : null;
$menuImagesEnabled = max(0, min(1, (int)setting('menu_item_image_limit','1'))) > 0;

if (isPost()) {
    csrfCheck();
    $act = p('_act');

    if ($act === 'add_section') {
        $bid = (int)p('business_id'); $name = ps('sec_name');
        if ($bid && $name) {
            $ord = (int)qval("SELECT COALESCE(MAX(sort_order),0)+1 FROM menu_sections WHERE business_id=?",[$bid]);
            qrun("INSERT INTO menu_sections(business_id,name,description,sort_order)VALUES(?,?,?,?)",[$bid,$name,ps('sec_desc'),$ord]);
            flash('Section added!','success');
        }
        go("/admin/menus.php?biz_id=$bid");
    }
    if ($act === 'edit_section') {
        $sid = (int)p('sid');
        qrun("UPDATE menu_sections SET name=?,description=?,sort_order=? WHERE id=?",[ps('sec_name'),ps('sec_desc'),(int)p('sec_order'),$sid]);
        flash('Section updated!','success'); go("/admin/menus.php?biz_id=$bizId");
    }
    if ($act === 'del_section') {
        qrun("DELETE FROM menu_sections WHERE id=?",[(int)p('sid')]);
        flash('Section deleted.','success'); go("/admin/menus.php?biz_id=$bizId");
    }
    if ($act === 'add_item') {
        $sid = (int)p('section_id');
        $name = ps('item_name');
        if ($sid && $name) {
            $imagePath = '';
            if ($menuImagesEnabled) {
                $upload = storeSingleUpload(
                    'item_image',
                    'menus',
                    imageExts(),
                    mbToBytes(setting('menu_upload_max_mb','5'), 5),
                    [
                        'image_only' => true,
                        'resize_over_bytes' => mbToBytes(setting('forum_image_resize_threshold_mb','1'), 1),
                        'image_max_width' => (int)setting('forum_image_max_width','1600'),
                        'image_quality' => (int)setting('forum_image_quality','82'),
                    ]
                );
                if (!$upload['ok']) { flash($upload['error'], 'error'); go("/admin/menus.php?biz_id=$bizId"); }
                $imagePath = (string)($upload['path'] ?? '');
            }
            $ord = (int)qval("SELECT COALESCE(MAX(sort_order),0)+1 FROM menu_items WHERE section_id=?",[$sid]);
            qrun("INSERT INTO menu_items(section_id,name,description,price,image_path,is_available,sort_order)VALUES(?,?,?,?,?,?,?)",[$sid,$name,ps('item_desc'),(float)p('item_price',0),$imagePath,(int)p('is_available',1),$ord]);
            flash('Item added!','success');
        }
        go("/admin/menus.php?biz_id=$bizId");
    }
    if ($act === 'edit_item') {
        $iid = (int)p('iid');
        $item = qone("SELECT * FROM menu_items WHERE id=?", [$iid]);
        $imagePath = (string)($item['image_path'] ?? '');
        if ($menuImagesEnabled && p('remove_item_image','0') === '1') $imagePath = '';
        if ($menuImagesEnabled) {
            $upload = storeSingleUpload(
                'item_image',
                'menus',
                imageExts(),
                mbToBytes(setting('menu_upload_max_mb','5'), 5),
                [
                    'image_only' => true,
                    'resize_over_bytes' => mbToBytes(setting('forum_image_resize_threshold_mb','1'), 1),
                    'image_max_width' => (int)setting('forum_image_max_width','1600'),
                    'image_quality' => (int)setting('forum_image_quality','82'),
                ]
            );
            if (!$upload['ok']) { flash($upload['error'], 'error'); go("/admin/menus.php?biz_id=$bizId"); }
            if (!empty($upload['path'])) $imagePath = (string)$upload['path'];
        }
        qrun("UPDATE menu_items SET name=?,description=?,price=?,image_path=?,is_available=?,sort_order=? WHERE id=?",[ps('item_name'),ps('item_desc'),(float)p('item_price',0),$imagePath,(int)p('is_available',1),(int)p('item_order'),$iid]);
        flash('Item updated!','success'); go("/admin/menus.php?biz_id=$bizId");
    }
    if ($act === 'del_item') {
        qrun("DELETE FROM menu_items WHERE id=?",[(int)p('iid')]);
        flash('Item removed.','success'); go("/admin/menus.php?biz_id=$bizId");
    }
}

$bizList = qall("SELECT id,name FROM businesses WHERE is_active=1 ORDER BY name");

if ($biz) {
    $sections = qall("SELECT * FROM menu_sections WHERE business_id=? ORDER BY sort_order",[$bizId]);
    $items = [];
    foreach ($sections as $s) $items[$s['id']] = qall("SELECT * FROM menu_items WHERE section_id=? ORDER BY sort_order",[$s['id']]);
}
include __DIR__.'/admin_header.php';
?>
<?php adminTitle('Manage Menus','Edit menus, sections, and items for any business.') ?>

<!-- Business selector -->
<div class="ibox" style="max-width:500px;margin-bottom:2rem">
  <div class="ibox-title">SELECT BUSINESS TO MANAGE MENU</div>
  <form method="GET" style="display:flex;gap:.65rem">
    <select name="biz_id" class="fselect" style="flex:1">
      <option value="">— Choose a business —</option>
      <?php foreach($bizList as $b): ?><option value="<?=$b['id']?>"<?=$bizId===$b['id']?' selected':''?>><?=e($b['name'])?></option><?php endforeach; ?>
    </select>
    <button type="submit" class="btn btn-primary btn-sm">Load Menu</button>
  </form>
</div>

<?php if($biz): ?>
<div style="display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem">
  <h2 style="font-size:1.3rem;color:var(--gold);font-family:'Oswald',sans-serif;letter-spacing:.1em"><?=e($biz['name'])?> — Menu</h2>
  <a href="/business.php?slug=<?=e($biz['slug'])?>" target="_blank" class="btn btn-outline btn-xs">View Listing ↗</a>
</div>

<!-- Add section -->
<div class="ibox" style="border-color:var(--gold-d);margin-bottom:1.5rem">
  <div class="ibox-title">➕ ADD MENU SECTION</div>
  <form method="POST"><?=csrfField()?><input type="hidden" name="_act" value="add_section"><input type="hidden" name="business_id" value="<?=$bizId?>">
    <div class="form-row">
      <div class="fg"><label class="flabel">SECTION NAME *</label><input type="text" name="sec_name" class="finput" required placeholder="e.g. Appetizers, Pasta, Desserts"></div>
      <div class="fg"><label class="flabel">DESCRIPTION</label><input type="text" name="sec_desc" class="finput" placeholder="Optional description"></div>
    </div>
    <button type="submit" class="btn btn-primary btn-sm">Add Section</button>
  </form>
</div>

<?php foreach($sections as $sec): ?>
<div class="ibox" style="margin-bottom:1.5rem">
  <!-- Section header -->
  <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:.9rem;padding-bottom:.6rem;border-bottom:1px solid var(--bdr)">
    <div>
      <span style="font-family:'Oswald',sans-serif;color:var(--gold);letter-spacing:.1em"><?=e($sec['name'])?></span>
      <?php if($sec['description']): ?><span style="font-size:.78rem;color:var(--text-d);margin-left:.5rem"><?=e($sec['description'])?></span><?php endif; ?>
    </div>
    <div class="flex-row" style="gap:.3rem">
      <button onclick="document.getElementById('esf<?=$sec['id']?>').classList.toggle('hidden')" class="btn btn-xs btn-secondary">✏️ Edit Section</button>
      <form method="POST" style="display:inline"><?=csrfField()?><input type="hidden" name="_act" value="del_section"><input type="hidden" name="sid" value="<?=$sec['id']?>"><button class="btn btn-xs btn-danger" data-confirm="Delete section and ALL its items?">🗑️ Delete</button></form>
    </div>
  </div>
  <!-- Edit section -->
  <div id="esf<?=$sec['id']?>" class="hidden" style="background:var(--bg4);border:1px solid var(--bdr);border-radius:4px;padding:.85rem;margin-bottom:.85rem">
    <form method="POST"><?=csrfField()?><input type="hidden" name="_act" value="edit_section"><input type="hidden" name="sid" value="<?=$sec['id']?>">
      <div class="form-row">
        <div class="fg"><label class="flabel">NAME</label><input type="text" name="sec_name" class="finput" value="<?=e($sec['name'])?>" required></div>
        <div class="fg"><label class="flabel">DESCRIPTION</label><input type="text" name="sec_desc" class="finput" value="<?=e($sec['description'])?>"></div>
      </div>
      <div class="fg"><label class="flabel">SORT ORDER</label><input type="number" name="sec_order" class="finput" style="max-width:100px" value="<?=$sec['sort_order']?>"></div>
      <button type="submit" class="btn btn-success btn-sm">Save Section</button>
    </form>
  </div>

  <!-- Items -->
  <?php if($items[$sec['id']]): ?>
  <div class="tbl-wrap" style="margin-bottom:.85rem">
    <table class="dtbl">
      <thead><tr><th>ITEM NAME</th><th>IMAGE</th><th>DESCRIPTION</th><th>PRICE</th><th>AVAIL.</th><th>ORDER</th><th></th></tr></thead>
      <tbody>
      <?php foreach($items[$sec['id']] as $item): ?>
      <tr>
        <td class="td-name"><?=e($item['name'])?></td>
        <td><?php if(!empty($item['image_path'])): ?><img src="<?=e($item['image_path'])?>" alt="<?=e($item['name'])?>" class="admin-menu-thumb"><?php else: ?>—<?php endif; ?></td>
        <td style="font-size:.8rem;max-width:180px"><?=e(substr($item['description'],0,80))?></td>
        <td style="color:var(--gold);font-family:'Oswald',sans-serif"><?=$item['price']>0?money($item['price']):'—'?></td>
        <td><?=$item['is_available']?'<span class="badge badge-green">Yes</span>':'<span class="badge badge-gray">No</span>'?></td>
        <td><?=$item['sort_order']?></td>
        <td>
          <div class="flex-row" style="gap:.3rem">
            <button onclick="document.getElementById('eif<?=$item['id']?>').classList.toggle('hidden')" class="btn btn-xs btn-outline">✏️</button>
            <form method="POST" style="display:inline"><?=csrfField()?><input type="hidden" name="_act" value="del_item"><input type="hidden" name="iid" value="<?=$item['id']?>"><button class="btn btn-xs btn-danger" data-confirm="Delete item?">🗑️</button></form>
          </div>
          <div id="eif<?=$item['id']?>" class="hidden" style="background:var(--bg2);border:1px solid var(--bdr);border-radius:4px;padding:.75rem;margin-top:.4rem;min-width:320px">
            <form method="POST" enctype="multipart/form-data"><?=csrfField()?><input type="hidden" name="_act" value="edit_item"><input type="hidden" name="iid" value="<?=$item['id']?>">
              <div class="form-row">
                <div class="fg"><label class="flabel">NAME *</label><input type="text" name="item_name" class="finput" value="<?=e($item['name'])?>" required></div>
                <div class="fg"><label class="flabel">PRICE</label><input type="number" name="item_price" class="finput" value="<?=$item['price']?>" step="0.01" min="0"></div>
              </div>
              <div class="fg"><label class="flabel">DESCRIPTION</label><input type="text" name="item_desc" class="finput" value="<?=e($item['description'])?>"></div>
              <?php if($menuImagesEnabled): ?>
              <div class="fg">
                <label class="flabel">ITEM IMAGE</label>
                <?php if(!empty($item['image_path'])): ?>
                <div class="menu-admin-image">
                  <img src="<?=e($item['image_path'])?>" alt="<?=e($item['name'])?>">
                  <label style="display:flex;align-items:center;gap:.45rem;font-size:.82rem;color:var(--text-m);cursor:pointer"><input type="checkbox" name="remove_item_image" value="1"> Remove current image</label>
                </div>
                <?php endif; ?>
                <input type="file" name="item_image" class="finput" accept="image/*">
                <div class="fhint">One image allowed. Max <?=e(setting('menu_upload_max_mb','5'))?> MB.</div>
              </div>
              <?php endif; ?>
              <div class="form-row">
                <div class="fg"><label class="flabel">AVAILABLE</label><select name="is_available" class="fselect"><option value="1"<?=$item['is_available']?' selected':''?>>Yes</option><option value="0"<?=!$item['is_available']?' selected':''?>>No</option></select></div>
                <div class="fg"><label class="flabel">SORT ORDER</label><input type="number" name="item_order" class="finput" value="<?=$item['sort_order']?>"></div>
              </div>
              <button type="submit" class="btn btn-success btn-sm">Save Item</button>
            </form>
          </div>
        </td>
      </tr>
      <?php endforeach; ?>
      </tbody>
    </table>
  </div>
  <?php endif; ?>

  <!-- Add item -->
  <details><summary style="cursor:pointer;font-size:.82rem;color:var(--gold);font-family:'Oswald',sans-serif;letter-spacing:.08em">➕ Add Item to "<?=e($sec['name'])?>"</summary>
    <div style="padding:.75rem 0">
      <form method="POST" enctype="multipart/form-data"><?=csrfField()?><input type="hidden" name="_act" value="add_item"><input type="hidden" name="section_id" value="<?=$sec['id']?>">
        <div class="form-row">
          <div class="fg"><label class="flabel">ITEM NAME *</label><input type="text" name="item_name" class="finput" required placeholder="e.g. Spaghetti Carbonara"></div>
          <div class="fg"><label class="flabel">PRICE ($)</label><input type="number" name="item_price" class="finput" value="0" step="0.01" min="0"></div>
        </div>
        <div class="fg"><label class="flabel">DESCRIPTION</label><input type="text" name="item_desc" class="finput" placeholder="Brief description…"></div>
        <?php if($menuImagesEnabled): ?>
        <div class="fg"><label class="flabel">ITEM IMAGE</label><input type="file" name="item_image" class="finput" accept="image/*"><div class="fhint">Optional. One image allowed, max <?=e(setting('menu_upload_max_mb','5'))?> MB.</div></div>
        <?php endif; ?>
        <div class="fg"><label class="flabel">AVAILABLE</label><select name="is_available" class="fselect"><option value="1">Yes</option><option value="0">No</option></select></div>
        <button type="submit" class="btn btn-primary btn-sm">Add Item</button>
      </form>
    </div>
  </details>
</div>
<?php endforeach; ?>

<?php if(empty($sections)): ?>
<div class="empty" style="padding:2rem"><div class="empty-ico">🍽️</div><h3>No menu sections yet</h3><p style="margin-top:.5rem">Use the form above to add the first section.</p></div>
<?php endif; ?>
<?php endif; ?>

<style>.hidden{display:none!important}</style>
<?php include __DIR__.'/admin_footer.php'; ?>