From 9ee82c6c3f932b4cad0f1bf0ea3eb6ec507cd014 Mon Sep 17 00:00:00 2001
From: Lizandro Guarnizo <77708265+lizandrogd@users.noreply.github.com>
Date: Thu, 22 Jan 2026 11:40:40 -0500
Subject: [PATCH] Update send_media_message.php

---
 api/send_media_message.php | 64 +++++++++++++++++++++++++++++++++++---
 1 file changed, 59 insertions(+), 5 deletions(-)

diff --git a/api/send_media_message.php b/api/send_media_message.php
index 1b2423b..49c136f 100644
--- a/api/send_media_message.php
+++ b/api/send_media_message.php
@@ -101,6 +101,37 @@ try {
     
     error_log("send_media_message.php - Input decoded: " . json_encode($input));
     smm_log("Input decoded: " . json_encode($input));
+
+    // Debug flag: permitir depuración remota si se pasa debug=true en query o en body
+    $debugMode = (isset($_GET['debug']) && $_GET['debug'] === 'true') || (!empty($input['debug']));
+    $debugInfo = [];
+
+    // Helper: hacer HEAD request para verificar accesibilidad de URL de media
+    function headCheckUrl($url) {
+        $ch = curl_init();
+        curl_setopt_array($ch, [
+            CURLOPT_URL => $url,
+            CURLOPT_NOBODY => true,
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_HEADER => true,
+            CURLOPT_FOLLOWLOCATION => true,
+            CURLOPT_TIMEOUT => 10
+        ]);
+        $res = curl_exec($ch);
+        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        $contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
+        $contentLength = curl_getinfo($ch, CURLINFO_CONTENT_LENGTH_DOWNLOAD);
+        $err = curl_error($ch);
+        if (version_compare(PHP_VERSION, '8.5.0', '<')) {
+            curl_close($ch);
+        }
+        return [
+            'http_code' => $httpCode,
+            'content_type' => $contentType,
+            'content_length' => $contentLength,
+            'error' => $err
+        ];
+    }
     
     // Validar campos requeridos
     if (empty($input['recipient']) || empty($input['media_url']) || empty($input['media_type'])) {
@@ -172,7 +203,22 @@ try {
         }
     } else {
         // URL pública, usar método normal con link
-        error_log("send_media_message.php - URL pública detectada, usando link directo");
+        error_log("send_media_message.php - URL pública detectada, usando link directo: " . $mediaUrl);
+        smm_log("Public URL: " . $mediaUrl);
+
+        // Chequear accesibilidad de la URL antes de pedir a WhatsApp que la descargue
+        try {
+            $head = headCheckUrl($mediaUrl);
+            smm_log("HEAD check: " . json_encode($head));
+            if ($debugMode) $debugInfo['media_head'] = $head;
+            if (isset($head['http_code']) && intval($head['http_code']) >= 400) {
+                smm_log("send_media_message.php - Warning: media URL returned HTTP " . $head['http_code']);
+            }
+        } catch (Exception $e) {
+            smm_log("send_media_message.php - HEAD check failed: " . $e->getMessage());
+            if ($debugMode) $debugInfo['media_head_error'] = $e->getMessage();
+        }
+
         $response = sendMediaByLinkToWhatsApp($whatsapp, $recipient, $mediaUrl, $mediaType, $caption, $filename);
     }
     
@@ -205,6 +251,7 @@ try {
     if ($response && $sentMessageId) {
         error_log("send_media_message.php - Respuesta de WhatsApp exitosa: " . json_encode($response));
         smm_log("WhatsApp response (successful): " . json_encode($response));
+        if ($debugMode) $debugInfo['whatsapp_response'] = $response;
         
         // Guardar en base de datos
         $db = Database::getInstance();
@@ -242,12 +289,15 @@ try {
             }
         }
         
-        echo json_encode([
+        $out = [
             'success' => true,
             'message' => 'Mensaje multimedia enviado correctamente',
             'media_type' => $mediaType,
             'data' => $response
-        ]);
+        ];
+        if ($debugMode) $out['debug'] = $debugInfo;
+
+        echo json_encode($out);
     } else {
         error_log("send_media_message.php - Respuesta de WhatsApp sin message_id: " . json_encode($response));
 
@@ -267,11 +317,15 @@ try {
     if (ob_get_length()) ob_clean();
     
     http_response_code(500);
-    echo json_encode([
+    $errOut = [
         'success' => false,
         'error' => $e->getMessage(),
         'file' => basename($e->getFile()),
         'line' => $e->getLine()
-    ], JSON_UNESCAPED_UNICODE);
+    ];
+    if (isset($debugMode) && $debugMode) {
+        $errOut['debug'] = $debugInfo;
+    }
+    echo json_encode($errOut, JSON_UNESCAPED_UNICODE);
 }
 ?>