fix(php): exclude tables and embeds from ad injection

- Add mapForbiddenZones() for tables, iframes, embeds
- Remove table from scannable elements pattern
- Filter positions inside forbidden zones
- Fixes ads inside table cells and YouTube embeds

Public/AdsensePlacement/Infrastructure/Services/ContentAdInjector.php

@@ -163,6 +163,11 @@ final class ContentAdInjector
     /**
      * PASO 1: Escanea el contenido para encontrar ubicaciones elegibles
      *
+     * IMPORTANTE: No inserta anuncios:
+     * - Dentro de tablas (<table>...</table>)
+     * - Dentro de embeds/iframes (YouTube, etc.)
+     * - Despues de tablas (tables excluidas completamente)
+     *
      * @return array{position: int, type: string, tag: string, element_index: int}[]
      */
     private function scanContent(string $content): array
@@ -170,8 +175,12 @@ final class ContentAdInjector
         $locations = [];
         $elementIndex = 0;
 
+        // Primero, mapear zonas prohibidas (tablas, iframes, embeds)
+        $forbiddenZones = $this->mapForbiddenZones($content);
+
         // Regex para encontrar tags de cierre de elementos de bloque
-        $pattern = '/(<\/(?:p|h2|h3|figure|ul|ol|table|blockquote)>)/i';
+        // NOTA: Excluimos </table> - no queremos insertar despues de tablas
+        $pattern = '/(<\/(?:p|h2|h3|figure|ul|ol|blockquote)>)/i';
 
         // Encontrar todas las coincidencias con sus posiciones
         if (preg_match_all($pattern, $content, $matches, PREG_OFFSET_CAPTURE)) {
@@ -179,6 +188,11 @@ final class ContentAdInjector
                 $tag = strtolower($match[0]);
                 $position = $match[1] + strlen($match[0]); // Posicion despues del tag
 
+                // Verificar que no este dentro de una zona prohibida
+                if ($this->isInForbiddenZone($position, $forbiddenZones)) {
+                    continue;
+                }
+
                 $type = $this->getTypeFromTag($tag);
                 if ($type) {
                     $locations[] = [
@@ -191,8 +205,8 @@ final class ContentAdInjector
             }
         }
 
-        // Detectar imagenes standalone (no dentro de figure)
+        // Detectar imagenes standalone (no dentro de figure ni zonas prohibidas)
-        $locations = array_merge($locations, $this->scanStandaloneImages($content, $elementIndex));
+        $locations = array_merge($locations, $this->scanStandaloneImages($content, $elementIndex, $forbiddenZones));
 
         // Validar listas (minimo 3 items)
         $locations = $this->validateLists($content, $locations);
@@ -208,8 +222,75 @@ final class ContentAdInjector
         return $locations;
     }
 
+    /**
+     * Mapea zonas donde NO se deben insertar anuncios
+     * Incluye: tablas, iframes, embeds de video
+     *
+     * @return array{start: int, end: int}[]
+     */
+    private function mapForbiddenZones(string $content): array
+    {
+        $zones = [];
+
+        // Tablas: <table>...</table>
+        if (preg_match_all('/<table[^>]*>.*?<\/table>/is', $content, $matches, PREG_OFFSET_CAPTURE)) {
+            foreach ($matches[0] as $match) {
+                $zones[] = [
+                    'start' => $match[1],
+                    'end' => $match[1] + strlen($match[0]),
+                ];
+            }
+        }
+
+        // Iframes (YouTube, Vimeo, etc): <iframe>...</iframe>
+        if (preg_match_all('/<iframe[^>]*>.*?<\/iframe>/is', $content, $matches, PREG_OFFSET_CAPTURE)) {
+            foreach ($matches[0] as $match) {
+                $zones[] = [
+                    'start' => $match[1],
+                    'end' => $match[1] + strlen($match[0]),
+                ];
+            }
+        }
+
+        // Divs con clase de embed/video (wp-block-embed, youtube, video-container, etc)
+        if (preg_match_all('/<div[^>]*class="[^"]*(?:embed|video|youtube|vimeo|player)[^"]*"[^>]*>.*?<\/div>/is', $content, $matches, PREG_OFFSET_CAPTURE)) {
+            foreach ($matches[0] as $match) {
+                $zones[] = [
+                    'start' => $match[1],
+                    'end' => $match[1] + strlen($match[0]),
+                ];
+            }
+        }
+
+        // Figure con iframe (embeds de WordPress)
+        if (preg_match_all('/<figure[^>]*class="[^"]*wp-block-embed[^"]*"[^>]*>.*?<\/figure>/is', $content, $matches, PREG_OFFSET_CAPTURE)) {
+            foreach ($matches[0] as $match) {
+                $zones[] = [
+                    'start' => $match[1],
+                    'end' => $match[1] + strlen($match[0]),
+                ];
+            }
+        }
+
+        return $zones;
+    }
+
+    /**
+     * Verifica si una posicion esta dentro de una zona prohibida
+     */
+    private function isInForbiddenZone(int $position, array $forbiddenZones): bool
+    {
+        foreach ($forbiddenZones as $zone) {
+            if ($position >= $zone['start'] && $position <= $zone['end']) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * Convierte tag de cierre a tipo de elemento
+     * NOTA: </table> excluido - no insertamos ads despues de tablas
      */
     private function getTypeFromTag(string $tag): ?string
     {
@@ -219,16 +300,15 @@ final class ContentAdInjector
             '</h3>' => 'h3',
             '</figure>' => 'image',
             '</ul>', '</ol>' => 'list',
-            '</table>' => 'table',
             '</blockquote>' => 'blockquote',
             default => null,
         };
     }
 
     /**
-     * Detecta imagenes que no estan dentro de figure
+     * Detecta imagenes que no estan dentro de figure ni zonas prohibidas
      */
-    private function scanStandaloneImages(string $content, int $startIndex): array
+    private function scanStandaloneImages(string $content, int $startIndex, array $forbiddenZones = []): array
     {
         $locations = [];
 
@@ -241,6 +321,11 @@ final class ContentAdInjector
             $imgTag = $match[0];
             $imgPosition = $match[1];
 
+            // Verificar que no este en zona prohibida
+            if ($this->isInForbiddenZone($imgPosition, $forbiddenZones)) {
+                continue;
+            }
+
             // Verificar si hay un <figure> abierto antes de esta imagen
             $contentBefore = substr($content, 0, $imgPosition);
             $lastFigureOpen = strrpos($contentBefore, '<figure');