from dataclasses import field
from typing import Final

import requests
from pydantic import TypeAdapter
from pydantic.dataclasses import dataclass

from mdrsclient.api.base import BaseApi
from mdrsclient.exceptions import UnauthorizedException
from mdrsclient.models import Laboratory, Token, User


@dataclass(frozen=True)
class UserAuthResponse(Token):
    is_reviewer: bool | None = None
    laboratories: list[Laboratory] = field(default_factory=list)


class UserApi(BaseApi):
    ENTRYPOINT: Final[str] = "v2/"

    def auth(self, username: str, password: str) -> tuple[User, Token]:
        # print(self.__class__.__name__ + "::" + sys._getframe().f_code.co_name)
        url = self.ENTRYPOINT + "auth/"
        data: dict[str, str | int] = {"username": username, "password": password}
        response = self.connection.post(url, data=data)
        if response.status_code == requests.codes.unauthorized:
            raise UnauthorizedException("Invalid username or password.")
        self._raise_response_error(response)
        obj = TypeAdapter(UserAuthResponse).validate_python(response.json())
        token = Token(access=obj.access, refresh=obj.refresh)
        laboratory_ids = list(map(lambda x: x.id, obj.laboratories))
        is_reviewer = obj.is_reviewer if obj.is_reviewer is not None else False
        user = User(id=token.user_id, username=username, laboratory_ids=laboratory_ids, is_reviewer=is_reviewer)
        return (user, token)

    def refresh(self, token: Token) -> Token:
        # print(self.__class__.__name__ + "::" + sys._getframe().f_code.co_name)
        url = self.ENTRYPOINT + "refresh/"
        data: dict[str, str | int] = {"refresh": token.refresh}
        response = self.connection.post(url, data=data)
        if response.status_code == requests.codes.unauthorized:
            raise UnauthorizedException("Token is invalid or expired.")
        self._raise_response_error(response)
        token = TypeAdapter(Token).validate_python(response.json())
        return token