from flask_login import LoginManager, UserMixin
from werkzeug.security import check_password_hash, generate_password_hash
from portalrhjobs.ext.database import db
from PortalRH.portalrhjobs.ext.models import User

login_manager = LoginManager()

def init_app(app):
    def verify_login(user):
        """Valida o usuario e senha para efetuar o login"""
        username = user.get('username')
        password = user.get('password')
        if not username or not password:
            return False
        existing_user = User.query.filter_by(username=username).first()
        if not existing_user:
            return False
        if check_password_hash(existing_user.password, password):
            return True
        return False


    def create_user(username, password):
        """Registra um novo usuario caso nao esteja cadastrado"""
        if User.query.filter_by(username=username).first():
            raise RuntimeError(f'{username} ja esta cadastrado')
        user = User(username=username, password=generate_password_hash(password))
        db.session.add(user)
        db.session.commit()
        return user