"""Preferencias persistentes en settings.json, junto al ejecutable."""

from __future__ import annotations

import json
from dataclasses import asdict, dataclass, field
from pathlib import Path

from .paths import base_dir

SETTINGS_NAME = "settings.json"


@dataclass
class Settings:
    hide_not_downloaded: bool = False
    updates_pending: list[str] = field(default_factory=list)  # ids con update pendiente


def settings_path() -> Path:
    return base_dir() / SETTINGS_NAME


def load_settings() -> Settings:
    path = settings_path()
    if not path.exists():
        return Settings()
    try:
        data = json.loads(path.read_text(encoding="utf-8"))
    except (OSError, json.JSONDecodeError):
        return Settings()
    return Settings(
        hide_not_downloaded=bool(data.get("hide_not_downloaded", False)),
        updates_pending=list(data.get("updates_pending", [])),
    )


def save_settings(settings: Settings) -> None:
    try:
        settings_path().write_text(
            json.dumps(asdict(settings), ensure_ascii=False, indent=2),
            encoding="utf-8",
        )
    except OSError:
        pass