import { getFilemd5sum, getBase64 } from './utils.js'

interface upload_sdk {

  //初始化文件 md5 
  generateMd5: (file: File) => any
  //初始化图片 base64
  generateBase64: (file: File) =>any
  //上传
  action: () => Promise<any>
  //成功返回函数
  onSuccess: () => string
  //续传
  onContinue: () => number
  //错误
  onError: () => number

}

class UploadSdk implements upload_sdk {

  private host: string
  private origin: string
  private token: string
  private file: File
  private md5: any
  private base64: any
  

  constructor(host: string, origin: string, token: string, file: File){
    this.host = host
    this.origin = origin
    this.token = token
    this.file = file
  }

  generateMd5 = async (file: File) => {
    let md5 = await getFilemd5sum(file)
    return md5
  }

  generateBase64 = async (file: File) => {
    let base64 = await getBase64(file)
    return base64
  }
  //上传
  action = async () => {
    return new Promise((resolve, reject) => {
      resolve()
    })
  }
  //成功返回函数
  onSuccess =  () => {
    return 'success'
  }
  //续传
  onContinue = () => {
    return 90
  }
  //错误
  onError = () => {
    return 200
  }

}