from __future__ import annotations

import sys


class _Colors:
    RESET = "\033[0m"
    BOLD = "\033[1m"
    RED = "\033[31m"
    GREEN = "\033[32m"
    YELLOW = "\033[33m"
    BLUE = "\033[34m"


def _print(message: str, *, prefix: str = "", color: str | None = None, stream=None) -> None:
    if stream is None:
        stream = sys.stdout
    text = f"{prefix} {message}" if prefix else message
    if color:
        text = f"{color}{text}{_Colors.RESET}"
    print(text, file=stream)


def info(message: str) -> None:
    _print(message, prefix="ℹ️", color=_Colors.BLUE)


def success(message: str) -> None:
    _print(message, prefix="✅", color=_Colors.GREEN)


def warning(message: str) -> None:
    _print(message, prefix="⚠️", color=_Colors.YELLOW, stream=sys.stderr)


def error(message: str) -> None:
    _print(message, prefix="❌", color=_Colors.RED, stream=sys.stderr)


def heading(message: str) -> None:
    _print(message, prefix="▶", color=_Colors.BOLD)


def plain(message: str) -> None:
    _print(message)


class Notifier:
    """Abstractielaag voor toekomstige auditieve output.

    Voor nu enkel console-notificaties; later kan dit uitgebreid
    worden met TTS, systeemmeldingen, ...
    """

    @staticmethod
    def notify_event(event: str, detail: str | None = None) -> None:  # pragma: no cover - placeholder
        if detail:
            info(f"[{event}] {detail}")
        else:
            info(f"[{event}]")