// const sharp = require("sharp");
// const exiftool = require("exiftool-vendored");
// const fs = require("fs");
// const path = require("path");



// // import sharp from "sharp";
// // import { exiftool } from "exiftool-vendored";
// // import fs from "fs";
// // import path from "path";



// // Add watermark to all images
// const addWatermark = async (filename,buffer, watermarkText) => {
//   const { width, height } = await sharp(buffer).metadata();
//   console.log(filename,': width and height:', width, height);
//   // Generate overlay text as an image
//   const svg = `
//     <svg width="${width}" height="${height}">
//       <style>
//         .label {
//           fill: red;
//           font-size: 30px;
//           font-family: Arial, sans-serif;
//         }
//       </style>
//       <text x="${width - 10}" y="${height - 30}" text-anchor="end" class="label">${watermarkText}</text>
//     </svg>
//  `;

//   return sharp(buffer)
//     .composite([{ input: Buffer.from(svg), top: 0, left: 0 }])
//     .toBuffer();
// };

// function getDateInFilename(filename){
//   const datePattern = /\d{4}-\d{2}-\d{2}/;
//   const match = filename.match(datePattern);
//   return match ? match[0] : null;  
// }

// function getTimeInFilename(filename){
//   //console.log(filename);
//   const time = filename.split("_")[2];
//   //console.log(time);
  
//     const timeFormatted = time.split('.')[0]+":"+time.split('.')[1];
//     return timeFormatted;
  
  
// }

// async function getImageDate(filename,imageInput) {
//   try {
//     const filePath = path.join(imageInput, filename);

//     const datePattern = /\d{4}-\d{2}-\d{2}/;
//     const hasDateInName = datePattern.test(filename);

//     let dateFromFilename = null;
//     let timeFromFilename = null;

//     if(hasDateInName){
//       dateFromFilename = getDateInFilename(filename);
//       console.log("date",dateFromFilename);
//       timeFromFilename = getTimeInFilename(filename);
//     }
    
//     //console.log('tags: ',tags)
//     if(dateFromFilename && timeFromFilename){
//       const formatted = `${dateFromFilename} ${timeFromFilename}`;
//       return formatted;
//     }
    
//     // Else, try getting from EXIF
//     const tags = await exiftool.read(filePath);
//     //console.log("tags: ", tags);
//     if(tags?.DateTimeOriginal?.rawValue){
//       console.log("datetimeoriginal from exiftool exists")
//       const [dateOnly, timeFull] = tags.DateTimeOriginal.rawValue.split(" ");
//       const timeOnly = timeFull?.slice(0, 5); // HH:MM
//       const [year, month, day] = dateOnly.split(":");
//       const formatted = `${year}-${month}-${day} ${timeOnly}`;
//       return formatted;
      
//     }
//     console.log("no datetimeoriginal from exiftool")
//     // Fallback: use filesystem's last modified time
//     const stats = await fs.promises.stat(filePath);
//     const mtime = stats.mtime; // JavaScript Date object

//     const year = mtime.getFullYear();
//     const month = String(mtime.getMonth() + 1).padStart(2, "0");
//     const day = String(mtime.getDate()).padStart(2, "0");
//     const hours = String(mtime.getHours()).padStart(2, "0");
//     const minutes = String(mtime.getMinutes()).padStart(2, "0");

//     return `${year}-${month}-${day} ${hours}:${minutes}`;
//   } catch (err) {
//     console.error("Failed to read EXIF:", err);
//   }
// }

// async function watermarkAllImages(bufferMap,imageInput) {
//   const outputMap = {};
//   for (const [filename, buffer] of Object.entries(bufferMap)) {
//     const watermarkText = await getImageDate(filename,imageInput);
//     const watermarkedBuffer = await addWatermark(filename,buffer, watermarkText);
//     outputMap[filename] = watermarkedBuffer;
//   }

//   return outputMap;
// }

// module.exports = {
//   watermarkAllImages,
// };