"""Журнал событий сети/mDNS в админке (тот же JSONL, component=network)."""

from __future__ import annotations

import logging
from typing import Any, Dict, Optional

from app.services.admin_peripheral_monitor import append_peripheral_event

_LOG = logging.getLogger(__name__)


def log_network_event(
    app,
    *,
    code: str,
    message: str,
    level: str = "info",
    details: Optional[Dict[str, Any]] = None,
    force: bool = False,
) -> None:
    append_peripheral_event(
        app,
        component="network",
        code=code,
        level=level,
        message=message,
        details=details,
        force=force,
    )
    _LOG.info("network/%s: %s", code, message)


def log_network_settings_saved(app, *, updates: dict, user_login: str) -> None:
    parts = []
    if "local_hostname" in updates:
        parts.append(f"hostname={updates['local_hostname']}")
    if "public_base_url" in updates:
        parts.append(f"url={updates['public_base_url'] or '(auto)'}")
    if "mdns_enabled" in updates:
        parts.append(f"mdns={'on' if updates['mdns_enabled'] else 'off'}")
    log_network_event(
        app,
        code="network_settings_saved",
        level="ok",
        message=f"Настройки сети сохранены ({', '.join(parts) or '—'})",
        details={"user": user_login, **updates},
        force=True,
    )


def log_mdns_started(app, *, hostname: str, lan_ip: str, port: int) -> None:
    log_network_event(
        app,
        code="mdns_started",
        level="ok",
        message=f"mDNS: {hostname} → {lan_ip}:{port}",
        details={"hostname": hostname, "lan_ip": lan_ip, "port": port},
        force=True,
    )


def log_mdns_stopped(app, *, reason: str = "") -> None:
    msg = "mDNS остановлен"
    if reason:
        msg = f"{msg}: {reason}"
    log_network_event(
        app,
        code="mdns_stopped",
        level="info",
        message=msg,
        details={"reason": reason} if reason else None,
        force=True,
    )


def log_mdns_error(app, *, message: str) -> None:
    log_network_event(
        app,
        code="mdns_error",
        level="err",
        message=message,
        force=False,
    )