// *** UPLOAD ***
router.post(
    '/upload',
    auth.ifAuthThenNext,
    asyncMiddleware(async (req, res) => {
        const { relative_path } = req.query

        // *** VALIDATIONS ***
        // validate query
        const validationQueryResult = await validation.files.upload.query.validate(req.query)

        // error
        if (validationQueryResult.error) {
            return res.status(httpStatus.BAD_REQUEST).json({
                success: false,
                message: 'Некорректный формат входных параметров',
            })
        }

        // *** UPLOAD FILES ***
        const uploadPath = path.join(sourceFilesDirectory, relative_path)

        setDirectoryWatherFreeze(true)

        // it's works synchronously
        createDirectoryIfNotExists(uploadPath)

        console.log(relative_path)
        console.log(uploadPath)

        const form = formidable({
            multiples: true,
            uploadDir: uploadPath,
            keepExtensions: true,
            maxFileSize: process.env.UPLOAD_MAX_SIZE,
            maxFields: process.env.UPLOAD_MAX_NUM,
        })

        // handle file with exact image extensions
        form.onPart = (part) => {
            if (['image/png', 'image/jpg', 'image/jpeg'].includes(part.mime)) {
                form.handlePart(part)
            }
        }

        const parseFormResult = await parseForm(form, req)

        console.log(parseFormResult)

        onDirectoryChange(false, req.user.id)
        setDirectoryWatherFreeze(false)

        if (parseFormResult === null) {
            return res.status(httpStatus.BAD_REQUEST).json({
                success: false,
                data: {},
                message: 'Ошибка при загрузке файлов, свяжитесь с администратором',
            })
        }

        return res.status(httpStatus.OK).json({ success: true, data: parseFormResult })
    }),
)