from __future__ import annotations

from typing import TYPE_CHECKING, Any, Dict, List, Union

from supertokens_python.normalised_url_path import NormalisedURLPath
from supertokens_python.querier import Querier

if TYPE_CHECKING:
    from .utils import JWTConfig
    from .interfaces import CreateJwtResult
    from supertokens_python.supertokens import AppInfo

from supertokens_python.recipe.jwt.interfaces import (
    CreateJwtResultOk, CreateJwtResultUnsupportedAlgorithm, GetJWKSResult,
    RecipeInterface)

from .interfaces import JsonWebKey


class RecipeImplementation(RecipeInterface):

    def __init__(self, querier: Querier, config: JWTConfig, app_info: AppInfo):
        super().__init__()
        self.querier = querier
        self.config = config
        self.app_info = app_info

    async def create_jwt(self, payload: Dict[str, Any], validity_seconds: Union[int, None], user_context: Dict[str, Any]) -> CreateJwtResult:
        if validity_seconds is None:
            validity_seconds = self.config.jwt_validity_seconds

        data = {
            'payload': payload,
            'validity': validity_seconds,
            'algorithm': 'RS256',
            'jwksDomain': self.app_info.api_domain.get_as_string_dangerous()
        }
        response = await self.querier.send_post_request(NormalisedURLPath("/recipe/jwt"), data)

        if response['status'] == 'OK':
            return CreateJwtResultOk(response['jwt'])
        return CreateJwtResultUnsupportedAlgorithm()

    async def get_jwks(self, user_context: Dict[str, Any]) -> GetJWKSResult:
        response = await self.querier.send_get_request(NormalisedURLPath("/recipe/jwt/jwks"), {})

        keys: List[JsonWebKey] = []
        for key in response['keys']:
            keys.append(JsonWebKey(
                key['kty'],
                key['kid'],
                key['n'],
                key['e'],
                key['alg'],
                key['use']
            ))
        return GetJWKSResult(response['status'], keys)
