From 43d6b88106a24c18c7603f4cc2c46550e0d3983d Mon Sep 17 00:00:00 2001
From: Hamza-Ayed <hamzaayedflutter@gmail.com>
Date: Mon, 31 Aug 2026 17:50:38 +0300
Subject: [PATCH] Fix lessons table SQL column name in getPlaybackData

---
 backend/app/Controllers/VideoController.php | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/backend/app/Controllers/VideoController.php b/backend/app/Controllers/VideoController.php
index b72a95b..3c9d695 100644
--- a/backend/app/Controllers/VideoController.php
+++ b/backend/app/Controllers/VideoController.php
@@ -391,14 +391,30 @@ class VideoController
         if (is_numeric($rawId) && (int)$rawId > 0) {
             $lesson = Database::selectOne("SELECT * FROM lessons WHERE id = ? LIMIT 1", [(int)$rawId]);
         } elseif (!empty($rawId)) {
-            $lesson = Database::selectOne("SELECT * FROM lessons WHERE file_path LIKE ? OR title LIKE ? LIMIT 1", ["%{$rawId}%", "%{$rawId}%"]);
+            $lesson = Database::selectOne("SELECT * FROM lessons WHERE title LIKE ? OR local_path LIKE ? OR markdown_content LIKE ? LIMIT 1", ["%{$rawId}%", "%{$rawId}%", "%{$rawId}%"]);
         }
 
         if (!$lesson) {
-            // Fallback to latest available lesson or create one
+            // Fallback to latest available lesson in DB
             $lesson = Database::selectOne("SELECT * FROM lessons ORDER BY id DESC LIMIT 1");
         }
 
+        if (!$lesson) {
+            // If no lesson exists in MySQL table yet, create a default system lesson entry
+            try {
+                $courseId = CurriculumService::ensureMasterCourseExists();
+                $defUuid = 'lesson-' . bin2hex(random_bytes(8));
+                $newId = Database::insert(
+                    "INSERT INTO lessons (course_id, title, duration_seconds, sequence_order, storage_type, video_uuid, encoding_status, is_free_preview) 
+                     VALUES (?, ?, 900, 1, 'api_upload', ?, 'ready', 1)",
+                    [$courseId, !empty($rawId) ? $rawId : 'الدرس التفاعلي المعتمد', $defUuid]
+                );
+                $lesson = Database::selectOne("SELECT * FROM lessons WHERE id = ? LIMIT 1", [$newId]);
+            } catch (\Throwable $ex) {
+                error_log("Fallback lesson insert notice: " . $ex->getMessage());
+            }
+        }
+
         if (!$lesson) {
             $response->status(404)->json(['status' => 'error', 'message' => 'لا توجد دروس متاحة حالياً']);
             return;