use esp_idf_svc::{
    hal::delay::FreRtos,
    sntp::{EspSntp, SyncStatus},
};
use log::info;

/// Delay between checks of the initial NTP sync check, in milliseconds.
const SNTP_STATUS_POLL_INTVL: u32 = 2000;

/// Blocks until the SNTP client reports successful synchronization.
///
/// Note that the SNTP client's status flag is reset after it is read. Calling
/// this function twice will cause the second invocation to wait for the next
/// synchronization event.
pub(crate) fn wait_for_sync(client: &EspSntp) {
    while client.get_sync_status() != SyncStatus::Completed {
        info!("Waiting for SNTP to sync...");
        FreeRtos::delay_ms(SNTP_STATUS_POLL_INTVL);
    }
}