import { mkdir, writeFile, unlink } from 'fs/promises'
import path from 'path'

const UPLOAD_DIR = path.join(process.cwd(), 'public', 'uploads')

export async function saveImage(
  productId: string,
  buffer: Buffer,
  originalFilename: string
): Promise<string> {
  const dir = path.join(UPLOAD_DIR, productId)
  await mkdir(dir, { recursive: true })
  const safeName = originalFilename.replace(/[^a-z0-9._-]/gi, '_').toLowerCase()
  const filename = `${Date.now()}-${safeName}`
  await writeFile(path.join(dir, filename), buffer)
  return `/uploads/${productId}/${filename}`
}

export async function deleteImageFile(url: string): Promise<void> {
  const filePath = path.join(process.cwd(), 'public', url)
  await unlink(filePath)
}