/**
 * Helper for managing sync progress
 */

export interface SyncProgress {
  currentStep: number
  totalSteps: number
  completed: boolean
  currentRelay?: string // URL of the relay currently being used
}

export async function initializeSyncProgress(
  onProgress?: (progress: SyncProgress) => void
): Promise<{ updateProgress: (step: number, completed?: boolean) => void }> {
  const TOTAL_STEPS = 7
  const { relaySessionManager } = await import('../relaySessionManager')
  const { syncProgressManager } = await import('../syncProgressManager')
  const activeRelays = await relaySessionManager.getActiveRelays()
  const initialRelay = activeRelays[0] ?? 'Connecting...'

  if (onProgress) {
    onProgress({ currentStep: 0, totalSteps: TOTAL_STEPS, completed: false, currentRelay: initialRelay })
  }
  syncProgressManager.setProgress({ currentStep: 0, totalSteps: TOTAL_STEPS, completed: false, currentRelay: initialRelay })

  const updateProgress = (step: number, completed: boolean = false): void => {
    const currentRelay = syncProgressManager.getProgress()?.currentRelay ?? initialRelay
    const progressUpdate = { currentStep: step, totalSteps: TOTAL_STEPS, completed, currentRelay }
    if (onProgress) {
      onProgress(progressUpdate)
    }
    syncProgressManager.setProgress(progressUpdate)
  }

  return { updateProgress }
}

export async function finalizeSync(currentTimestamp: number): Promise<void> {
  const { setLastSyncDate } = await import('../syncStorage')
  await setLastSyncDate(currentTimestamp)

  const { syncProgressManager } = await import('../syncProgressManager')
  const { configStorage } = await import('../configStorage')
  const config = await configStorage.getConfig()
  const currentRelay = syncProgressManager.getProgress()?.currentRelay
  if (currentRelay) {
    const relayConfig = config.relays.find((r) => r.url === currentRelay)
    if (relayConfig) {
      await configStorage.updateRelay(relayConfig.id, { lastSyncDate: Date.now() })
    }
  }

  console.warn('[Sync] Synchronization completed successfully')
}