/**
 * Global sync progress manager
 * Stores sync progress state that can be accessed from any component
 */

import type { SyncProgress } from './userContentSync'

type SyncProgressListener = (progress: SyncProgress | null) => void

class SyncProgressManager {
  private progress: SyncProgress | null = null
  private listeners: Set<SyncProgressListener> = new Set()

  setProgress(progress: SyncProgress | null): void {
    this.progress = progress
    this.listeners.forEach((listener) => listener(progress))
  }

  getProgress(): SyncProgress | null {
    return this.progress
  }

  subscribe(listener: SyncProgressListener): () => void {
    this.listeners.add(listener)
    // Immediately call with current progress
    listener(this.progress)
    return () => {
      this.listeners.delete(listener)
    }
  }
}

export const syncProgressManager = new SyncProgressManager()