import type { H3Event } from 'h3'
import type { IncomingMessage } from 'node:http'
import multer from 'multer'
import fs from 'fs'

const middleware = multer({ dest: 'tmp/', limits: { fileSize: 5 * 1024 * 1024 } }).single('image')

/**
 * Middleware function to handle file uploads using Multer.
 *
 * @param {H3Event} event - The event object from H3.
 * @returns {Promise<{ file?: Express.Multer.File, body?: Record<string, any> }>} - A promise that resolves with the uploaded file and request body.
 */

const useMulter = async (event: H3Event): Promise<{
  file?: Express.Multer.File | undefined,
  body?: Record<string, unknown>,
}> => {
  return new Promise((resolve, reject) => {
    // eslint-disable-next-line
    const req = event.node.req as IncomingMessage & any
    // eslint-disable-next-line
    const res = event.node.res as any

    // Run multer middleware
    // eslint-disable-next-line
    middleware(req, res, (er: any) => {
      if (er) {
        reject(er)
        return
      }
      resolve({
        body: req.body,
        file: req.file,
      })
    })
  })
}

/**
 * Delete a tmp from file system.
 *
 * @param filePath - Path to the file to be deleted.
 */
const deleteMulterFile = (filePath: string): void => {
  fs.unlink(filePath, (err) => {
    if (err) {
      console.error('Error deleting the file:', err)
    }
  })
}

export { useMulter, deleteMulterFile }

import type { H3Event } from 'h3'
import type { IncomingMessage } from 'node:http'
import multer from 'multer'
import fs from 'fs'

const middleware = multer({ dest: 'tmp/', limits: { fileSize: 5 * 1024 * 1024 } }).single('image')

/**
 * Middleware function to handle file uploads using Multer.
 *
 * @param {H3Event} event - The event object from H3.
 * @returns {Promise<{ file?: Express.Multer.File, body?: Record<string, any> }>} - A promise that resolves with the uploaded file and request body.
 */

const useMulter = async (event: H3Event): Promise<{
  file?: Express.Multer.File | undefined,
  body?: Record<string, unknown>,
}> => {
  return new Promise((resolve, reject) => {
    // eslint-disable-next-line
    const req = event.node.req as IncomingMessage & any
    // eslint-disable-next-line
    const res = event.node.res as any

    // Run multer middleware
    // eslint-disable-next-line
    middleware(req, res, (er: any) => {
      if (er) {
        reject(er)
        return
      }
      resolve({
        body: req.body,
        file: req.file,
      })
    })
  })
}

/**
 * Delete a tmp from file system.
 *
 * @param filePath - Path to the file to be deleted.
 */
const deleteMulterFile = (filePath: string): void => {
  fs.unlink(filePath, (err) => {
    if (err) {
      console.error('Error deleting the file:', err)
    }
  })
}

export { useMulter, deleteMulterFile }

const { file, body } = await useMulter(event).catch(() => {
    throw createError({ statusCode: 500, message: 'File upload failed' })
  })

const { file, body } = await useMulter(event).catch(() => {
    throw createError({ statusCode: 500, message: 'File upload failed' })
  })

const useMulter = (event: H3Event): Promise<{ file?: Express.Multer.File; body?: Record<string, unknown> }> => {
  return new Promise((resolve) => {
    // Run multer middleware
    // eslint-disable-next-line
    middleware(event.node.req as any , event.node.res as any, (er) => {
      if (er) {
        throw er
      }
      resolve({
        // eslint-disable-next-line
        body: (event.node.req as any).body,
        // eslint-disable-next-line
        file: (event.node.req as any).file,
      })
    })
  })
}

const useMulter = (event: H3Event): Promise<{ file?: Express.Multer.File; body?: Record<string, unknown> }> => {
  return new Promise((resolve) => {
    // Run multer middleware
    // eslint-disable-next-line
    middleware(event.node.req as any , event.node.res as any, (er) => {
      if (er) {
        throw er
      }
      resolve({
        // eslint-disable-next-line
        body: (event.node.req as any).body,
        // eslint-disable-next-line
        file: (event.node.req as any).file,
      })
    })
  })
}