from models.database import Database


class UserModel:
    def __init__(self, database: Database):
        self.database = database

    def authenticate(self, login: str, password: str):
        query = """
        SELECT u.user_id,
               u.full_name,
               r.role_name
        FROM users u
        JOIN roles r ON u.role_id = r.role_id
        WHERE u.login = %s AND u.password = %s
        """
        return self.database.fetch_one(query, (login, password))