from dataclasses import dataclass

from sqlalchemy.orm import Session

from app.models.ui_settings import UI_SETTINGS_ROW_ID, UiSettings


@dataclass(frozen=True)
class UiSettingsConfig:
    show_sidebar_system_stats: bool
    source: str = "db"


def get_effective_ui_settings(db: Session) -> UiSettingsConfig:
    row = db.get(UiSettings, UI_SETTINGS_ROW_ID)
    if row is None:
        return UiSettingsConfig(show_sidebar_system_stats=True, source="default")
    return UiSettingsConfig(show_sidebar_system_stats=bool(row.show_sidebar_system_stats), source="db")


def upsert_ui_settings(db: Session, *, show_sidebar_system_stats: bool) -> UiSettingsConfig:
    row = db.get(UiSettings, UI_SETTINGS_ROW_ID)
    if row is None:
        row = UiSettings(id=UI_SETTINGS_ROW_ID, show_sidebar_system_stats=show_sidebar_system_stats)
        db.add(row)
    else:
        row.show_sidebar_system_stats = show_sidebar_system_stats
    db.commit()
    db.refresh(row)
    return get_effective_ui_settings(db)