// Stored inside the existing per-account administration preferences document.
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
#[serde(default, deny_unknown_fields)]
struct RefreshPreferences {
    live_enabled: bool,
    overview_seconds: u16,
    traffic_seconds: u16,
    cache_seconds: u16,
    system_info_seconds: u16,
}

impl Default for RefreshPreferences {
    fn default() -> Self {
        Self {
            live_enabled: true,
            overview_seconds: 2,
            traffic_seconds: 5,
            cache_seconds: 5,
            system_info_seconds: 60,
        }
    }
}

fn validate_refresh_preferences(refresh: &RefreshPreferences) -> Result<(), ApiError> {
    if ![1, 2, 5, 10].contains(&refresh.overview_seconds)
        || ![0, 3, 5, 10, 30].contains(&refresh.traffic_seconds)
        || ![0, 3, 5, 10, 30].contains(&refresh.cache_seconds)
        || ![0, 15, 30, 60, 300].contains(&refresh.system_info_seconds)
    {
        return Err(ApiError(
            StatusCode::UNPROCESSABLE_ENTITY,
            "invalid administration refresh interval".into(),
        ));
    }
    Ok(())
}

fn default_live_log_columns() -> Vec<String> {
    LIVE_LOG_COLUMNS.iter().map(|column| (*column).to_owned()).collect()
}