const ALIOSS = require('ali-oss')
const WebpackAliyunOSS = require("webpack-aliyun-oss")

const OSSCFG = require('./aliyun-oss-config')

const aliyunOSSClient = new ALIOSS({
  region: OSSCFG.region,
  accessKeyId: OSSCFG.accessKeyId,
  accessKeySecret: OSSCFG.accessKeySecret,
  bucket: OSSCFG.bucket
});

async function deleteFile(filename) {
  await aliyunOSSClient.delete(filename)
}

async function deleteOldFiles() {
  let result = await aliyunOSSClient.list({
    "max-keys": 1000
  })
  result.objects && result.objects.forEach(obj => {
    deleteFile(obj.name)
  })
}

deleteOldFiles()

new WebpackAliyunOSS({
  from: ['./dist/**', '!./dist/**/*.html'],
  dist: '/',
  region: OSSCFG.region,
  deletOrigin: false,
  accessKeyId: OSSCFG.accessKeyId,
  accessKeySecret: OSSCFG.accessKeySecret,
  bucket: OSSCFG.bucket,
  setOssPath: filePath => {
    let index = filePath.lastIndexOf('dist')
    let path = filePath.substring(index + 4, filePath.length)
    return OSSCFG.path + '/' + path.replace(/\\/g, '/')
  },
  setHeaders(filePath) {
    // some operations to filePath
    return {
      'Cache-Control': 'max-age=31536000',
      'Access-Control-Allow-Origin': '*'
    }
  }
}).apply()