from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session

from app.auth import current_user, has_write_scope
from app.db import get_db
from app.models import User

router = APIRouter(prefix="/api/me", tags=["me"])


@router.get("")
def get_me(user: User = Depends(current_user)) -> dict:
    return {
        "id": user.id,
        "email": user.email,
        "display_name": user.display_name,
        "avatar_url": user.avatar_url,
        "role": user.role,
        "can_write": has_write_scope(user),
        "preferences": user.preferences or {},
    }


@router.put("/preferences")
def update_preferences(
    preferences: dict,
    user: User = Depends(current_user),
    db: Session = Depends(get_db),
) -> dict:
    # Merge so partial updates don't wipe other keys.
    merged = dict(user.preferences or {})
    merged.update(preferences)
    user.preferences = merged
    db.add(user)
    db.commit()
    return {"preferences": merged}