import os
import uuid

from .create_user_asset import create_user_asset
from .user_assets_dir import user_assets_dir


def save_user_asset(user_id, content, ext, original_name=None, source="upload", scene_kind=None):
    """Écrit `content` (bytes) sur disque + crée la ligne "Mes assets" —
    factorisé pour être partagé par l'upload manuel
    (routes/assets/upload_user_asset.py) ET la génération IA
    (ai/tools.py::_dispatch_add_generated_image), jamais dupliqué entre
    les deux. Renvoie (asset_id, filename)."""
    filename = uuid.uuid4().hex + ext
    asset_dir = user_assets_dir(user_id)
    os.makedirs(asset_dir, exist_ok=True)
    with open(os.path.join(asset_dir, filename), "wb") as f:
        f.write(content)
    asset_id = create_user_asset(user_id, filename, original_name=original_name, source=source, scene_kind=scene_kind)
    return asset_id, filename