import sharp from "sharp";
import fs from "fs";
import path from "path";

export async function compressImages(inputPath) {
  const images = fs.readdirSync(inputPath).filter(f => /\.(jpe?g|png)$/i.test(f));;

  const bufferMap = {};
  await Promise.all(
    images.map(async (image) => {
      const inputImagePath = path.join(inputPath, image);
      // Compress the image (adjust quality for JPEG)
      const buffer = await sharp(inputImagePath)
        .resize({ width: 700 }) // optional resize
        .jpeg({ quality: 70 }) // lower quality = higher compression
        .rotate() 
        .toBuffer();
      bufferMap[image] = buffer;
    }),
  );
  return bufferMap;
}

export async function bufferImages(inputPath) {
  const images = fs.readdirSync(inputPath).filter(f => /\.(jpe?g|png)$/i.test(f));;

  const bufferMap = {};
  await Promise.all(
    images.map(async (image) => {
      const inputImagePath = path.join(inputPath, image);
      // Compress the image (adjust quality for JPEG)
      const buffer = await fs.promises.readFile(inputImagePath);
      bufferMap[image] = buffer;
    }),
  );
  return bufferMap;
}