import { SandboxedJob } from "bullmq";
import { logger } from "../server.js";
import dotenv from "dotenv";
import fs from "fs-extra";
import path from "path";
import { FolderPaths } from "./serverInit.js";
import gm from "gm";
const imageMagick = gm.subClass({ imageMagick: true });
export default async function (job: SandboxedJob) {
  // Do something with job
  console.log("*** We're in the processing Queue")
  const { file, convertedFileName } = job.data;
  try {
    logger.log("debug", `Attempting to convert ${file.filename} image to JPEG from HEIC.`);
    await ConvertToJpeg(file.path, `${file.destination}/${convertedFileName}`);
    logger.log("debug", `Converted ${file.filename} image to JPEG from HEIC.`);
    await handleOriginalFile(file, convertedFileName);
    file.filename = convertedFileName;
    file.mimetype = "image/jpeg";
    file.path = `${file.destination}/${convertedFileName}`;
  } catch (error) {
    logger.log("error", `Error converting ${file.filename} image to JPEG from HEIC. ${JSON.stringify(error)}`);
  }
}
async function handleOriginalFile(file: Express.Multer.File, convertedFileName: string) {
  if (process.env.KEEP_CONVERTED_ORIGINALS) {
    await fs.ensureDir(path.join(file.destination, FolderPaths.ConvertedOriginalSubDir));
    await fs.move(file.path, `${path.join(file.destination, FolderPaths.ConvertedOriginalSubDir)}/${file.filename}`);
  } else {
    await fs.unlink(file.path);
  }
}

async function ConvertToJpeg(file: string, newPath: string) {
  const fileOnDisk: Buffer = await fs.readFile(file);

  return new Promise<string>((resolve, reject) => {
    imageMagick(fileOnDisk)
      .setFormat("jpg")
      .write(newPath, (error) => {
        if (error) reject(error.message);
        resolve(newPath);
      });
  });
}