from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession

from app.models import Player


# Shared by app/routers/matchmaking.py (queue join) and app/routers/matches.py
# (match result reporting) -- both need "find this callsign's Player row, or
# create one" with no account/auth system yet (see Player's own docstring).
async def get_or_create_player(db: AsyncSession, callsign: str) -> Player:
    player = (await db.execute(select(Player).where(Player.callsign == callsign))).scalars().first()
    if player is None:
        player = Player(callsign=callsign)
        db.add(player)
        await db.commit()
        await db.refresh(player)
    return player