/**
 * Hook to track the count of unuploaded audio files
 *
 * This hook subscribes to the upload status store and returns the count
 * of audio files that have NOT_UPLOADED or FAILED status.
 * These are recordings that need user attention to upload/retry.
 */

import { useEffect, useState } from 'react';
import { useUploadStatusStore } from '../store/uploadStatusStore';
import { UploadStatus } from '../uploadStatus.types';

export function useUnuploadedCount() {
  const [count, setCount] = useState(0);
  const statusMap = useUploadStatusStore((state) => state.statusMap);
  const isInitialized = useUploadStatusStore((state) => state.isInitialized);

  useEffect(() => {
    if (!isInitialized) {
      return;
    }

    // Count records with NOT_UPLOADED or FAILED status
    // Both represent recordings that need user action to upload
    const pendingCount = Array.from(statusMap.values()).filter(
      (record) =>
        record.status === UploadStatus.NOT_UPLOADED ||
        record.status === UploadStatus.FAILED
    ).length;

    console.debug(`[useUnuploadedCount] Pending uploads: ${pendingCount}`);
    setCount(pendingCount);
  }, [statusMap, isInitialized]);

  return count;
}