const AWS = require('aws-sdk')
const fs = require('fs')
const { stringifyError } = require('../utils/logService')
var s3 = new AWS.S3()

const fetchS3Object = async ({ fileName, bucket, filePath }) => {
  filePath = filePath || '/tmp/' + fileName
  console.log('Fetching', stringifyObj({ fileName, filePath }))
  try {
    var params = { Bucket: bucket, Key: fileName }
    const downloadResult = await s3.getObject(params).promise()
    fs.writeFileSync(filePath, downloadResult.Body, function (err) {
      if (err) console.log(err.code, '-', err.message)
    })
    return filePath
  } catch (error) {
    console.log('Download from S3 Error:', stringifyError(error))
    throw error
  }
}

const upload = ({
  filePath,
  fileName,
  bucket,
  contentType,
  fileType,
  // accessControl,
}) => {
  return new Promise((resolve, reject) => {
    // accessControl = accessControl || 'public-read'
    fs.readFile(filePath, function (err, data) {
      if (err) reject(err)
      const params = {
        Bucket: bucket, // pass your bucket name
        Key: fileName,
        Body: data,
        // ContentType: contentType,
        // ContentDisposition: `inline; fileName=${fileName}.${fileType}`,
        // ACL: accessControl,
      }
      s3.upload(params, function (err, data) {
        if (err) {
          reject(err)
          console.log(`${fileName} Upload to s3`, stringifyError(err))
        } else {
          console.log(
            `Successfully uploaded data ${fileName}`,
            stringifyError(data)
          )
          resolve(data.Location)
        }
      })
    })
  })
}

module.exports = {
  upload,
  fetchS3Object,
}