"""Adds config flow for Reaper."""
from __future__ import annotations

import asyncio
from typing import Any

from aiohttp.client_exceptions import ClientConnectorError
import async_timeout
from reaperdaw import Reaper, ReaperError
import voluptuous as vol

from homeassistant import config_entries
from homeassistant.data_entry_flow import FlowResult
from homeassistant.helpers.aiohttp_client import async_get_clientsession

from .const import (
    CONF_HOSTNAME,
    CONF_PASSWORD,
    CONF_PORT,
    CONF_UPDATE_INTERVAL,
    CONF_USERNAME,
    DEFAULT_PORT,
    DEFAULT_UPDATE_INTERVAL,
    DOMAIN,
)


class ReaperFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):  # type: ignore[call-arg]
    """Config flow for Reaper."""

    VERSION = 1

    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> FlowResult:
        """Handle a flow initialized by the user."""
        errors = {}

        websession = async_get_clientsession(self.hass)

        if user_input is not None:
            await self.async_set_unique_id(str(user_input[CONF_HOSTNAME]))
            self._abort_if_unique_id_configured()

            try:
                reaperdaw = Reaper(
                    websession,
                    user_input[CONF_HOSTNAME],
                    user_input[CONF_PORT],
                    user_input[CONF_USERNAME],
                    user_input[CONF_PASSWORD],
                )
                with async_timeout.timeout(10):
                    await reaperdaw.getStatus()
            except (ReaperError, ClientConnectorError, asyncio.TimeoutError):
                errors["base"] = "cannot_connect"
            else:
                return self.async_create_entry(
                    title=user_input[CONF_HOSTNAME],
                    data={
                        CONF_HOSTNAME: user_input[CONF_HOSTNAME],
                        CONF_PORT: user_input[CONF_PORT],
                        CONF_USERNAME: user_input[CONF_USERNAME],
                        CONF_PASSWORD: user_input[CONF_PASSWORD],
                        CONF_UPDATE_INTERVAL: user_input[CONF_UPDATE_INTERVAL],
                    },
                )

        return self.async_show_form(
            step_id="user",
            data_schema=vol.Schema(
                {
                    vol.Required(CONF_HOSTNAME): str,
                    vol.Required(CONF_PORT, default=DEFAULT_PORT): int,
                    vol.Optional(CONF_USERNAME, default=""): str,
                    vol.Optional(CONF_PASSWORD, default=""): str,
                    vol.Required(
                        CONF_UPDATE_INTERVAL, default=DEFAULT_UPDATE_INTERVAL
                    ): int,
                }
            ),
            errors=errors,
        )