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// ImageUpload.js
import React from 'react';
import imageCompression from 'browser-image-compression';

const ImageUpload = ({ handleImageChange }) => {
  const handleFileChange = async (e) => {
    const files = e.target.files;
    const newImages = Array.from(files);

    try {
      // Retrieve existing images from session storage
      const existingImagesString = sessionStorage.getItem('uploadedImages');
      const existingImages = existingImagesString ? JSON.parse(existingImagesString) : [];

      const compressedImages = await Promise.all(
        newImages.map(async (image) => {
          if (image.size > 2 * 1024 * 1024) {
            // Compress image if size exceeds 2 MB
            const compressedImage = await imageCompression(image, {
              maxSizeMB: 2,
              useWebWorker: true,
            });

            // Convert compressed image to base64 string
            return new Promise((resolve, reject) => {
              const reader = new FileReader();
              reader.readAsDataURL(compressedImage);
              reader.onloadend = () => {
                resolve(reader.result);
              };
              reader.onerror = reject;
            });
          } else {
            // Convert image to base64 string directly
            return new Promise((resolve) => {
              const reader = new FileReader();
              reader.readAsDataURL(image);
              reader.onloadend = () => {
                resolve(reader.result);
              };
            });
          }
        })
      );

      // Merge old and new images
      const allImages = [...existingImages, ...compressedImages];

      // Store all images in session storage
      sessionStorage.setItem('uploadedImages', JSON.stringify(allImages));

      // Reload the window (if needed)
      window.location.reload();
    } catch (err) {
      console.log(err);
      // Handle error, maybe show a notification to the user
    }
  };

  return (
    <>
      <input type="file" onChange={handleFileChange} multiple className="dashboard-upload-input" />
    </>
  );
};

export default ImageUpload;