fix: correct ELAI API payload format for video generation

Use proper slide structure with canvas, avatar object, and voice settings
to match ELAI API requirements.

Made-with: Cursor

custom_addons/encoach_ai/services/elai_service.py

@@ -12,6 +12,14 @@ except ImportError:
 
 ELAI_BASE = "https://apis.elai.io/api/v1"
 
+AVATAR_PRESETS = {
+    "vadim": {"code": "vadim.casual", "gender": "male", "voice": "en-GB-RyanNeural"},
+    "gia": {"code": "gia.casual", "gender": "female", "voice": "en-US-AriaNeural"},
+    "zara": {"code": "zara.regular", "gender": "female", "voice": "en-US-JennyNeural"},
+    "mason": {"code": "mason.casual", "gender": "male", "voice": "en-US-GuyNeural"},
+    "default": {"code": "gia.casual", "gender": "female", "voice": "en-US-AriaNeural"},
+}
+
 
 class ElaiService:
     """Generate avatar videos for listening exercises and instructional content."""
@@ -33,6 +41,7 @@ class ElaiService:
         return {
             "Authorization": f"Bearer {self._get_token()}",
             "Content-Type": "application/json",
+            "Accept": "application/json",
         }
 
     def _log(self, action, latency, status="success", error=None):
@@ -47,6 +56,14 @@ class ElaiService:
         except Exception:
             pass
 
+    def _resolve_avatar(self, avatar_id):
+        if not avatar_id or avatar_id == "default":
+            return AVATAR_PRESETS["default"]
+        key = avatar_id.split(".")[0].lower() if "." in avatar_id else avatar_id.lower()
+        if key in AVATAR_PRESETS:
+            return AVATAR_PRESETS[key]
+        return {"code": avatar_id, "gender": "female", "voice": "en-US-AriaNeural"}
+
     def list_avatars(self):
         """List available ELAI avatars."""
         if not _requests:
@@ -63,15 +80,45 @@ class ElaiService:
         """
         if not _requests:
             raise RuntimeError("requests package not installed")
+
+        avatar_preset = self._resolve_avatar(avatar_id)
+        avatar_code = avatar_preset["code"]
+        avatar_src = f"https://elai-avatars.s3.us-east-2.amazonaws.com/common/{avatar_code.replace('.', '/')}/{avatar_code.replace('.', '_')}.png"
+
         payload = {
             "name": title,
             "slides": [
                 {
+                    "id": 1,
                     "speech": script,
-                    "avatar": avatar_id or "default",
+                    "language": "English",
-                    "language": language,
+                    "voice": avatar_preset["voice"],
+                    "voiceType": "text",
+                    "voiceProvider": "azure",
+                    "avatar": {
+                        "code": avatar_code,
+                        "gender": avatar_preset["gender"],
+                    },
+                    "canvas": {
+                        "version": "4.4.0",
+                        "background": "#ffffff",
+                        "objects": [
+                            {
+                                "type": "avatar",
+                                "left": 151.5,
+                                "top": 36,
+                                "fill": "#4868FF",
+                                "scaleX": 0.3,
+                                "scaleY": 0.3,
+                                "height": 1080,
+                                "width": 1080,
+                                "src": avatar_src,
+                            }
+                        ],
+                    },
                 }
             ],
+            "tags": ["encoach"],
         }
         t0 = time.time()
         try:
@@ -85,6 +132,15 @@ class ElaiService:
             data = resp.json()
             self._log("create_video", int((time.time() - t0) * 1000))
             return {"video_id": data.get("_id", data.get("id")), "status": data.get("status", "pending")}
+        except _requests.exceptions.HTTPError as exc:
+            body = ""
+            try:
+                body = exc.response.text[:500]
+            except Exception:
+                pass
+            _logger.error("ELAI create_video failed: %s — %s", exc, body)
+            self._log("create_video", int((time.time() - t0) * 1000), "error", f"{exc} | {body}")
+            raise RuntimeError(f"ELAI API error: {exc.response.status_code} — {body}") from exc
         except Exception as exc:
             self._log("create_video", int((time.time() - t0) * 1000), "error", str(exc))
             raise