"""Config flow for Velux integration."""

from typing import Any

from pyvlx import PyVLX, PyVLXException
import voluptuous as vol

from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_PASSWORD
from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue

from .const import DOMAIN, LOGGER

DATA_SCHEMA = vol.Schema(
    {
        vol.Required(CONF_HOST): cv.string,
        vol.Required(CONF_PASSWORD): cv.string,
    }
)


class VeluxConfigFlow(ConfigFlow, domain=DOMAIN):
    """Handle a config flow for velux."""

    async def async_step_import(self, config: dict[str, Any]) -> ConfigFlowResult:
        """Import a config entry."""

        def create_repair(error: str | None = None) -> None:
            if error:
                async_create_issue(
                    self.hass,
                    DOMAIN,
                    f"deprecated_yaml_import_issue_{error}",
                    breaks_in_ha_version="2024.9.0",
                    is_fixable=False,
                    issue_domain=DOMAIN,
                    severity=IssueSeverity.WARNING,
                    translation_key=f"deprecated_yaml_import_issue_{error}",
                )
            else:
                async_create_issue(
                    self.hass,
                    HOMEASSISTANT_DOMAIN,
                    f"deprecated_yaml_{DOMAIN}",
                    breaks_in_ha_version="2024.9.0",
                    is_fixable=False,
                    issue_domain=DOMAIN,
                    severity=IssueSeverity.WARNING,
                    translation_key="deprecated_yaml",
                    translation_placeholders={
                        "domain": DOMAIN,
                        "integration_title": "Velux",
                    },
                )

        for entry in self._async_current_entries():
            if entry.data[CONF_HOST] == config[CONF_HOST]:
                create_repair()
                return self.async_abort(reason="already_configured")

        pyvlx = PyVLX(host=config[CONF_HOST], password=config[CONF_PASSWORD])
        try:
            await pyvlx.connect()
            await pyvlx.disconnect()
        except (PyVLXException, ConnectionError):
            create_repair("cannot_connect")
            return self.async_abort(reason="cannot_connect")
        except Exception:  # pylint: disable=broad-except
            create_repair("unknown")
            return self.async_abort(reason="unknown")

        create_repair()
        return self.async_create_entry(
            title=config[CONF_HOST],
            data=config,
        )

    async def async_step_user(
        self, user_input: dict[str, str] | None = None
    ) -> ConfigFlowResult:
        """Handle the initial step."""
        errors: dict[str, str] = {}

        if user_input is not None:
            self._async_abort_entries_match({CONF_HOST: user_input[CONF_HOST]})

            pyvlx = PyVLX(
                host=user_input[CONF_HOST], password=user_input[CONF_PASSWORD]
            )
            try:
                await pyvlx.connect()
                await pyvlx.disconnect()
            except (PyVLXException, ConnectionError) as err:
                errors["base"] = "cannot_connect"
                LOGGER.debug("Cannot connect: %s", err)
            except Exception as err:  # pylint: disable=broad-except
                LOGGER.exception("Unexpected exception: %s", err)
                errors["base"] = "unknown"
            else:
                return self.async_create_entry(
                    title=user_input[CONF_HOST],
                    data=user_input,
                )

        data_schema = self.add_suggested_values_to_schema(DATA_SCHEMA, user_input)
        return self.async_show_form(
            step_id="user",
            data_schema=data_schema,
            errors=errors,
        )