import { Request, Response } from "express";
import multer from "multer";
import path from "path";
import GenerateThumbnail from "../util/generateThumbnail";
import { FolderPaths } from "../util/serverInit";
import { JobsListMedia } from "./jobsListMedia";

export const JobMediaUploadMulter = multer({
  storage: multer.diskStorage({
    destination: function (req, file, cb) {
      const ro_number: string = (req.body.ro_number || "").trim();
      const DestinationFolder: string = path.join(FolderPaths.Jobs, ro_number);
      cb(null, DestinationFolder);
    },
    filename: function (req, file, cb) {
      console.log(path.basename(file.originalname));
      cb(
        null,
        `${file.originalname}-${Math.floor(Date.now() / 1000)}.${path.extname(
          file.originalname
        )}`
      );
    },
  }),
});

export async function jobsUploadMedia(req: Request, res: Response) {
  const ro_number: string = (req.body.ro_number || "").trim();

  try {
    if (!req.files) {
      res.send({
        status: false,
        message: "No file uploaded",
      });
    } else {
      const thumbnailGenerationQueue: Promise<void>[] = [];

      //for each file.path, generate the thumbnail.
      (req.files as Express.Multer.File[]).forEach((file) => {
        thumbnailGenerationQueue.push(
          GenerateThumbnail(
            file.path,
            path.join(
              FolderPaths.Jobs,
              ro_number,
              FolderPaths.ThumbsSubDir,
              file.originalname
            )
          )
        );
      });
      await Promise.all(thumbnailGenerationQueue);

      JobsListMedia(req, res);
    }
  } catch (err) {
    res.status(500).send(err);
  }
}