"""Spook - Your homie."""

from __future__ import annotations

from typing import Any

import voluptuous as vol

from homeassistant.config_entries import (
    ConfigEntry,
    ConfigEntryDisabler,
    ConfigFlow,
    ConfigFlowResult,
)

from .const import DOMAIN


class UptimeConfigFlow(ConfigFlow, domain=DOMAIN):
    """Config flow for Spook."""

    VERSION = 1
    _disabled_entry: ConfigEntry | None = None

    def _async_get_user_disabled_entry(self) -> ConfigEntry | None:
        """Return an existing user-disabled Spook config entry."""
        for entry in self._async_current_entries():
            if entry.disabled_by is ConfigEntryDisabler.USER:
                return entry
        return None

    async def async_step_user(
        self,
        user_input: dict[str, Any] | None = None,
    ) -> ConfigFlowResult:
        """Handle a flow initialized by someone that didn't read the warnings."""
        if current_entries := self._async_current_entries():
            if any(entry.disabled_by is None for entry in current_entries):
                return self.async_abort(reason="already_spooked")

            self._disabled_entry = self._async_get_user_disabled_entry()
            if self._disabled_entry is not None:
                return self.async_show_menu(
                    step_id="already_configured",
                    menu_options=["enable_existing"],
                )

            return self.async_abort(reason="already_spooked")

        if user_input is not None:
            return await self.async_step_choice_restart()

        return self.async_show_form(step_id="user", data_schema=vol.Schema({}))

    async def async_step_already_configured(
        self,
        _: dict[str, Any] | None = None,
    ) -> ConfigFlowResult:
        """Handle an already configured disabled Spook entry."""
        self._disabled_entry = self._async_get_user_disabled_entry()
        if self._disabled_entry is None:
            return self.async_abort(reason="already_spooked")

        return self.async_show_menu(
            step_id="already_configured",
            menu_options=["enable_existing"],
        )

    async def async_step_enable_existing(
        self,
        _: dict[str, Any] | None = None,
    ) -> ConfigFlowResult:
        """Enable the existing disabled Spook config entry."""
        self._disabled_entry = self._async_get_user_disabled_entry()
        if self._disabled_entry is None:
            return self.async_abort(reason="already_spooked")

        if await self.hass.config_entries.async_set_disabled_by(
            self._disabled_entry.entry_id,
            disabled_by=None,
        ):
            return self.async_abort(reason="enabled_existing")

        return self.async_abort(reason="enable_failed")

    async def async_step_choice_restart(
        self,
        _: dict[str, Any] | None = None,
    ) -> ConfigFlowResult:
        """Handle the user's choice.

        Allows the user to choose to restart now or later.
        """
        return self.async_show_menu(
            step_id="choice_restart",
            menu_options=["restart_now", "restart_later"],
        )

    async def async_step_restart_later(
        self,
        _: dict[str, Any] | None = None,
    ) -> ConfigFlowResult:
        """Handle restart later case."""
        return self.async_create_entry(title="Your homie", data={})

    async def async_step_restart_now(
        self,
        _: dict[str, Any] | None = None,
    ) -> ConfigFlowResult:
        """Handle restart now case.

        Sets a flag, so the integraton setup knows it can go ahead and restart.
        """
        self.hass.data[DOMAIN] = "Boo!"
        return await self.async_step_restart_later()