import { Request, Response } from "express";
import fs from "fs-extra";
import path from "path";
import { logger } from "../server.js";
import MediaFile from "../util/interfaces/MediaFile.js";
import ListableChecker from "../util/listableChecker.js";
import { PathToRoBillsFolder, PathToRoFolder } from "../util/pathGenerators.js";
import { BillsRelativeFilePath, FolderPaths, JobRelativeFilePath } from "../util/serverInit.js";

export async function JobsDeleteMedia(req: Request, res: Response) {
  const jobid: string = (req.body.jobid || "").trim();
  const files: string[] = req.body.files || [];
  await fs.ensureDir(PathToRoFolder(jobid));
  logger.debug("Deleteing media for job: " + PathToRoFolder(jobid));
  let ret: MediaFile[];
  try {
    // Setup lists for both file locations
    const jobFileList: fs.Dirent[] = (
      await fs.readdir(PathToRoFolder(jobid), {
        withFileTypes: true
      })
    ).filter((f) => f.isFile() && ListableChecker(f));
    const billFileList: fs.Dirent[] = (
      await fs.readdir(PathToRoBillsFolder(jobid), {
        withFileTypes: true
      })
    ).filter((f) => f.isFile() && ListableChecker(f));

    // Check both list for the files that need to be deleted
    await Promise.all(
      jobFileList.map(async (file) => {
        if (files.includes(path.parse(path.basename(file.name)).base)) {
          // File is in the set of requested files.
          await fs.remove(JobRelativeFilePath(jobid, file.name));
          await fs.remove(
            path.join(FolderPaths.Jobs, jobid, FolderPaths.ThumbsSubDir, file.name.replace(/\.[^/.]+$/, ".png"))
          );
        }
      })
    );
    await Promise.all(
      billFileList.map(async (file) => {
        if (files.includes(path.parse(path.basename(file.name)).base)) {
          // File is in the set of requested files.
          await fs.remove(BillsRelativeFilePath(jobid, file.name));
          await fs.remove(
            path.join(
              FolderPaths.Jobs,
              jobid,
              FolderPaths.BillsSubDir,
              FolderPaths.ThumbsSubDir,
              file.name.replace(/\.[^/.]+$/, ".png")
            )
          );
        }
      })
    );

    if (!res.headersSent) res.sendStatus(200);
  } catch (error) {
    logger.error("Error deleting job media.", { jobid, error });
    if (!res.headersSent) res.status(500).json(error);
  }
}