from sqlalchemy.orm import Session

from app import models, schemas
from app.utils.encrypt import get_password_hash, verify_password


def get_user(db: Session, username: str):
    return db.query(models.User).filter(models.User.username == username).first()


def create_user(db: Session, user: schemas.UserCreate):
    hashed_password = get_password_hash(user.password)
    user = models.User(
        username=user.username,
        email=user.email,
        full_name=user.full_name,
        hashed_password=hashed_password,
    )
    db.add(user)
    db.commit()
    return user


def get_users(db: Session, skip: int = 0, limit: int = 100):
    return db.query(models.User).offset(skip).limit(limit).all()


def authenticate_user(db: Session, username: str, password: str):
    user = get_user(db, username)
    if not user:
        return False
    if not verify_password(password, user.hashed_password):
        return False
    return user