From b5e2af7f471c5edbf2c5191f7ba000b26c64a7e5 Mon Sep 17 00:00:00 2001
From: lizandrogd <77708265+lizandrogd@users.noreply.github.com>
Date: Tue, 20 Jan 2026 22:51:26 -0500
Subject: [PATCH] Update send_message.php

---
 api/send_message.php | 56 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 1 deletion(-)

diff --git a/api/send_message.php b/api/send_message.php
index 7a5e8a6..615d406 100644
--- a/api/send_message.php
+++ b/api/send_message.php
@@ -217,7 +217,61 @@ try {
                     error_log("Method: sendTemplateMessage()");
                     error_log("========================================================");
                     
-                    $response = $whatsappService->sendTemplateMessage($recipient, $template, $language, $parameters);
+                    // Intentar envío y, si falla por traducción no encontrada, probar variantes de idioma
+                    try {
+                        $response = $whatsappService->sendTemplateMessage($recipient, $template, $language, $parameters);
+                    } catch (Exception $e) {
+                        $message = $e->getMessage();
+
+                        if (strpos($message, 'Template name does not exist in the translation') !== false || strpos($message, '#132001') !== false) {
+                            error_log("Template translation missing for language: $language. Attempting fallbacks...");
+
+                            $candidates = [];
+
+                            // Añadir language_code de la BD si existe y es distinto
+                            if (!empty($templateRecord['language_code']) && $templateRecord['language_code'] !== $language) {
+                                $candidates[] = $templateRecord['language_code'];
+                            }
+
+                            // Si viene con formato regional (es_ES) intentar la base (es)
+                            if (strpos($language, '_') !== false) {
+                                $base = explode('_', $language)[0];
+                                if ($base !== $language) $candidates[] = $base;
+                            } else {
+                                // Si es código corto (es) intentar variantes comunes
+                                if (strlen($language) === 2) {
+                                    $candidates[] = strtoupper($language) === $language ? $language : $language . '_ES';
+                                    $candidates[] = $language . '_MX';
+                                    $candidates[] = $language . '_PE';
+                                }
+                            }
+
+                            // Eliminar duplicados y vacíos
+                            $candidates = array_values(array_unique(array_filter($candidates)));
+
+                            foreach ($candidates as $cand) {
+                                try {
+                                    error_log("Retrying template send with language candidate: $cand");
+                                    $response = $whatsappService->sendTemplateMessage($recipient, $template, $cand, $parameters);
+                                    if ($response) {
+                                        error_log("Template send succeeded with fallback language: $cand");
+                                        break;
+                                    }
+                                } catch (Exception $e2) {
+                                    error_log("Fallback language $cand failed: " . $e2->getMessage());
+                                    // seguir intentando con siguientes candidatos
+                                }
+                            }
+
+                            if (empty($response)) {
+                                // Re-lanzar el error original si no encontramos nada que funcione
+                                throw $e;
+                            }
+                        } else {
+                            // Re-lanzar si es otro tipo de error
+                            throw $e;
+                        }
+                    }
                 }
                 // Formato 2: WhatsApp Business API estándar
                 elseif (isset($input['template']) && is_array($input['template'])) {