from fastapi.responses import JSONResponse
from models.schemas import UserCodeRequest
from services.data_service import load_users


async def exists_user(request: UserCodeRequest):
    """Check if user exists"""
    users = load_users()
    for user in users:
        if user['userCode'] == request.user_code:
            return JSONResponse({
                "success": True,
                "userName": user['userName']
            })
    return JSONResponse({
        "success": True,
        "userName": request.user_code
    })