Update app.py

app.py

@@ -237,9 +237,71 @@ def generate_video():
             return jsonify({"error": "Invalid API key"}), 401
         
         # Get JSON data
-        data = request.get_json()
-        if not data:
-            return jsonify({"error": "No JSON data provided"}), 400
+
+
+        # Try reading raw body text
+        raw_body = request.data.decode("utf-8").strip()
+        data = None
+        
+        if not raw_body:
+            return jsonify({"error": "No input data provided"}), 400
+        
+        # Try to detect if input is JSON or plain string
+        if raw_body.startswith("{") or raw_body.startswith("["):
+            # Likely JSON, try parsing
+            try:
+                data = json.loads(raw_body)
+                print("✅ Detected valid JSON input.")
+            except json.JSONDecodeError:
+                # Not valid JSON, fallback to manual parse
+                data = None
+        
+        if data is None:
+            print("⚙️ Detected raw string input (non-JSON). Parsing manually...")
+        
+            # Handle format like: [ [...], [...]] &&& Tamil explanation
+            parts = raw_body.split("&&&")
+            slides_part = parts[0].strip()
+            extra_info = parts[1].strip() if len(parts) > 1 else ""
+        
+            try:
+                slides = json.loads(slides_part)
+            except json.JSONDecodeError as e:
+                return jsonify({
+                    "error": "Failed to parse slides JSON from string input",
+                    "details": str(e),
+                    "raw_snippet": slides_part[:200]
+                }), 400
+        
+            # Convert list of lists → list of dicts
+            slides_json = []
+            for s in slides:
+                if len(s) >= 4:
+                    slide_type, content, animation, duration = s
+                    slides_json.append({
+                        "type": slide_type,
+                        "content": content,
+                        "animation": animation,
+                        "duration": duration
+                    })
+        
+            data = {
+                "slides": slides_json,
+                "language": "Tamil" if "Tamil" in extra_info else "English",
+                "explanation": extra_info,
+                "video_settings": {
+                    "background_color": "#0f0f23",
+                    "text_color": "WHITE",
+                    "highlight_color": "YELLOW",
+                    "font": "CMU Serif"
+                }
+            }
+        
+        # ✅ Final validation
+        if "slides" not in data or not data["slides"]:
+            return jsonify({"error": "No slides provided in request"}), 400
+        
+        print(f"✅ Parsed {len(data['slides'])} slides successfully.")
         
         # Validate input
         if "slides" not in data or not data["slides"]: