# PATH: bot/youtube/metadata.py
def normalize_privacy(p: str) -> str:
    p = (p or "private").lower().strip()
    if p not in ("private", "unlisted", "public"):
        return "private"
    return p

def build_metadata(title: str, description: str, privacy: str = "private") -> dict:
    privacy = normalize_privacy(privacy)
    return {
        "snippet": {
            "title": title[:95],
            "description": description[:4900],
            "categoryId": "22",  # People & Blogs default
        },
        "status": {
            "privacyStatus": privacy
        }
    }