config_flow.py

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"""Config Flow for Tesla Fleet integration."""
 
from __future__ import annotations
 
from collections.abc import Mapping
import logging
from typing import Any
 
import jwt
 
from homeassistant.config_entries import SOURCE_REAUTH, ConfigFlowResult
from homeassistant.helpers import config_entry_oauth2_flow
 
from .const import DOMAIN, LOGGER
from .oauth import TeslaSystemImplementation
 
 
class OAuth2FlowHandler(
    config_entry_oauth2_flow.AbstractOAuth2FlowHandler, domain=DOMAIN
):
    """Config flow to handle Tesla Fleet API OAuth2 authentication."""
 
    DOMAIN = DOMAIN
 
    @property
    def logger(self) -> logging.Logger:
        """Return logger."""
        return LOGGER
 
    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle a flow start."""
        self.async_register_implementation(
            self.hass,
            TeslaSystemImplementation(self.hass),
        )
 
        return await super().async_step_user()
 
    async def async_oauth_create_entry(
        self,
        data: dict[str, Any],
    ) -> ConfigFlowResult:
        """Handle the initial step."""
 
        token = jwt.decode(
            data["token"]["access_token"], options={"verify_signature": False}
        )
        uid = token["sub"]
 
        await self.async_set_unique_id(uid)
        if self.sourcesource == SOURCE_REAUTH:
            self._abort_if_unique_id_mismatch(reason="reauth_account_mismatch")
            return self.async_update_reload_and_abort(
                self._get_reauth_entry(), data=data
            )
        self._abort_if_unique_id_configured()
        return self.async_create_entry(title=uid, data=data)
 
    async def async_step_reauth(
        self, entry_data: Mapping[str, Any]
    ) -> ConfigFlowResult:
        """Perform reauth upon an API authentication error."""
        return await self.async_step_reauth_confirmasync_step_reauth_confirm()
 
    async def async_step_reauth_confirm(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Confirm reauth dialog."""
        if user_input is None:
            return self.async_show_form(
                step_id="reauth_confirm",
                description_placeholders={"name": "Tesla Fleet"},
            )
        return await self.async_step_userasync_step_user()