import { Request, Response } from "express";
import fs from "fs-extra";
import path from "path";
import { logger } from "../server";
import GenerateThumbnail from "../util/generateThumbnail";
import MediaFile from "../util/interfaces/MediaFile";
import GenerateUrl from "../util/MediaUrlGen";
import { PathToRoFolder } from "../util/pathGenerators";
import { FolderPaths } from "../util/serverInit";

export async function JobsListMedia(req: Request, res: Response) {
  const jobid: string = (req.body.jobid || "").trim();
  await fs.ensureDir(PathToRoFolder(jobid));
  logger.debug("Listing media for job.", PathToRoFolder(jobid));
  let ret: MediaFile[];
  try {
    if (req.files) {
      //We just uploaded files, we're going to send only those back.
      ret = await Promise.all(
        (req.files as Express.Multer.File[]).map(async (file) => {
          const relativeThumbPath: string = await GenerateThumbnail(
            path.join(FolderPaths.Jobs, jobid, file.filename)
          );
          return {
            src: GenerateUrl([
              FolderPaths.StaticPath,
              FolderPaths.JobsFolder,
              jobid,
              file.filename,
            ]),
            thumbnail: GenerateUrl([
              FolderPaths.StaticPath,
              FolderPaths.JobsFolder,
              jobid,
              relativeThumbPath,
            ]),
            thumbnailHeight: 250,
            thumbnailWidth: 250,
            filename: file.filename,
          };
        })
      );
    } else {
      const filesList: fs.Dirent[] = (
        await fs.readdir(PathToRoFolder(jobid), {
          withFileTypes: true,
        })
      ).filter((f) => f.isFile() && !/(^|\/)\.[^\/\.]/g.test(f.name));

      ret = await Promise.all(
        filesList.map(async (file) => {
          const relativeThumbPath: string = await GenerateThumbnail(
            path.join(FolderPaths.Jobs, jobid, file.name)
          );
          return {
            src: GenerateUrl([
              FolderPaths.StaticPath,
              FolderPaths.JobsFolder,
              jobid,
              file.name,
            ]),
            thumbnail: GenerateUrl([
              FolderPaths.StaticPath,
              FolderPaths.JobsFolder,
              jobid,
              relativeThumbPath,
            ]),
            thumbnailHeight: 250,
            thumbnailWidth: 250,
            filename: file.name,
          };
        })
      );
    }

    res.json(ret);
  } catch (error) {
    res.status(500).json(error);
  }
}