from repositories.user_repo import UserRepository
from common.exceptions import BusinessException
from flask_jwt_extended import create_access_token

class AuthService:

    @staticmethod
    def login(username: str, password: str):
        user = UserRepository.find_by_username(username)

        if not user:
            raise BusinessException(40101, "User not found")

        if user.password != password:
            raise BusinessException(40102, "Invalid credentials")

        token = create_access_token(identity=user.id)

        return {
            "token": token,
            "user": user.to_dict()
        }