from __future__ import annotations

from backend.app.api.schemas import SettingsResponse, SettingsUpdateRequest
from backend.app.db.settings_repository import SettingsRepository


class SettingsService:
    def __init__(self, repository: SettingsRepository):
        self._repository = repository

    def get_settings(self) -> SettingsResponse:
        values = self._repository.get_settings()
        return SettingsResponse(show_thumbnails=self._as_bool(values.get("show_thumbnails"), default=False))

    def update_settings(self, request: SettingsUpdateRequest) -> SettingsResponse:
        self._repository.set_setting("show_thumbnails", "true" if request.show_thumbnails else "false")
        return self.get_settings()

    @staticmethod
    def _as_bool(value: str | None, default: bool) -> bool:
        if value is None:
            return default
        return value.strip().lower() in {"1", "true", "yes", "on"}