from fastapi import HTTPException

from src.core.auth_manager import AuthManager
from src.core.settings import settings
from src.schemas.auth import Token, TokenData
from src.schemas.users import User, UserAdd, UserRequestADD, UserWithHashedPass
from src.services.base import BaseService


class AuthService(BaseService):
    async def registration(self, cred: UserRequestADD) -> User:
        hashed_pass = AuthManager.get_password_hash(cred.password)
        user_to_insert = UserAdd(
            username=cred.username,
            email=cred.email,
            hashed_password=hashed_pass,
        )
        result = await self.session.user.create_one(user_to_insert.model_dump())
        await self.session.commit()
        return User.model_validate(result)

    async def login(self, username: str, password: str):
        result = await self.session.user.get_one_or_none(username=username)
        if result is None:
            raise HTTPException(
                status_code=401,
                detail="Incorrect username or password",
            )
        user = UserWithHashedPass.model_validate(result)
        user_token = TokenData.model_validate(user.model_dump())
        verify = AuthManager.verify_password(
            plain_password=password, hashed_password=user.hashed_password
        )
        if not verify or user.is_active is False:
            raise HTTPException(
                status_code=401,
                detail="Incorrect username or password",
            )
        access_token = AuthManager.create_access_token(
            user_token.model_dump()
        )
        return Token(
            access_token=access_token, token_type=settings.access_token.token_type
        )