'use server'

import fs from 'fs/promises'

const CAD_FILE_PATH = 'public/cad-images'
const IMAGE_FILE_PATH = 'public/plan-bg-images'
const FILE_PATH = 'public/plan-images'

/**
 * 파일 변환 & 저장
 * @param {*} fileName
 * @param {*} data
 * @returns
 */
const convertDwgToPng = async (fileName, data) => {
  try {
    await fs.readdir(CAD_FILE_PATH)
  } catch {
    await fs.mkdir(CAD_FILE_PATH)
  }

  return await fs.writeFile(`${CAD_FILE_PATH}/${fileName}`, data, 'base64')
}

/**
 * 이미지 저장
 * base64 형식으로 저장
 * @param {*} title
 * @param {*} data
 * @returns
 */
const writeImageBase64 = async (title, data) => {
  // 해당 경로에 Directory 가 없다면 생성
  try {
    await fs.readdir(IMAGE_FILE_PATH)
  } catch {
    await fs.mkdir(IMAGE_FILE_PATH)
  }

  return fs.writeFile(`${IMAGE_FILE_PATH}/${title}.png`, data, 'base64')
}

// /**
//  * 이미지 저장
//  * Buffer 형식으로 저장
//  * @param {*} title
//  * @param {*} data
//  * @returns
//  */
// const writeImageBuffer = async (file) => {
//   // 해당 경로에 Directory 가 없다면 생성
//   try {
//     await fs.readdir(IMAGE_FILE_PATH)
//   } catch {
//     await fs.mkdir(IMAGE_FILE_PATH)
//   }
//
//   const arrayBuffer = await fileURLToPath.arrayBuffer()
//   const buffer = new Uint8Array(arrayBuffer)
//
//   return fs.writeFile(`${IMAGE_FILE_PATH}/${file.fileName}`, buffer)
// }

const writeImage = async (fileName, file) => {
  try {
    await fs.readdir(FILE_PATH)
  } catch {
    await fs.mkdir(FILE_PATH)
  }

  return fs.writeFile(`${FILE_PATH}/${fileName}.png`, file)
}

const readImage = async (fileName) => {
  const file = await fs.readFile(`${process.env.NEXT_PUBLIC_HOST_URL}${fileName}`)
  return file
}

const removeImage = async (fileName) => {
  try {
    await fs.rm(`${FILE_PATH}/${fileName}.png`)
  } catch (e) {
    // Error handling without console.log
  }
}

export { convertDwgToPng, writeImageBase64, writeImage, readImage, removeImage }