"""Diagnostics support for ESPHome."""
from __future__ import annotations

from typing import Any, cast

from homeassistant.components.bluetooth import async_scanner_by_source
from homeassistant.components.diagnostics import async_redact_data
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_PASSWORD
from homeassistant.core import HomeAssistant

from . import CONF_NOISE_PSK, DomainData

CONF_MAC_ADDRESS = "mac_address"

REDACT_KEYS = {CONF_NOISE_PSK, CONF_PASSWORD, CONF_MAC_ADDRESS}


async def async_get_config_entry_diagnostics(
    hass: HomeAssistant, config_entry: ConfigEntry
) -> dict[str, Any]:
    """Return diagnostics for a config entry."""
    diag: dict[str, Any] = {}

    diag["config"] = config_entry.as_dict()

    entry_data = DomainData.get(hass).get_entry_data(config_entry)

    if (storage_data := await entry_data.store.async_load()) is not None:
        storage_data = cast("dict[str, Any]", storage_data)
        diag["storage_data"] = storage_data

    if config_entry.unique_id and (
        scanner := async_scanner_by_source(hass, config_entry.unique_id)
    ):
        diag["bluetooth"] = {
            "connections_free": entry_data.ble_connections_free,
            "connections_limit": entry_data.ble_connections_limit,
            "scanner": await scanner.async_diagnostics(),
        }

    return async_redact_data(diag, REDACT_KEYS)