import CryptoJS from 'crypto-js'

export const formatGetParams = (params) => {
  const entries = Object.entries(params).filter(arr => {
    return (arr[1] - 0) === 0 || arr[1]
  }).map(arr => {
    return `${arr[0]}=${arr[1]}`
  })
  return entries.join('&')
}
// export const formatGetParams = (params) => {
//   const p = []

//   for (const key in params) {
//     if (Array.isArray(params[key])) {
//       params[key].forEach(i => {
//         p.push(key + '=' + i)
//       })
//     } else {
//       p.push(key + '=' + params[key])
//     }
//   }

//   return p.join('&')
// }

const desKey = 'fnFACVwC'
const key = CryptoJS.enc.Hex.parse('TgxRS8DG65EjK8cpKTiPAw==') // 密钥
const iv = CryptoJS.enc.Hex.parse('') // 偏移量

// aes加密
export function encrypt (word) {
  let encrypted = ''
  if (typeof word === 'string') {
    const key = CryptoJS.enc.Utf8.parse(desKey)
    console.log(word, desKey, 'aaaa')
    encrypted = CryptoJS.DES.encrypt(word, key, {
      mode: CryptoJS.mode.ECB,
      padding: CryptoJS.pad.Pkcs7
    })

    return encrypted.toString()

    // const srcs = CryptoJS.enc.Hex.parse(word)
    // // var encryptedBase64Str = CryptoJS.enc.Base64.stringify(srcs)
    // encrypted = CryptoJS.AES.encrypt(srcs, key, {
    //   mode: CryptoJS.mode.ECB,
    //   padding: CryptoJS.pad.ZeroPadding
    // })
  } else if (typeof word === 'object') {
    // 对象格式的转成json字符串
    const data = JSON.stringify(word)
    const srcs = CryptoJS.enc.Utf8.parse(data)
    encrypted = CryptoJS.AES.encrypt(srcs, key, {
      iv: iv,
      mode: CryptoJS.mode.ECB,
      padding: CryptoJS.pad.Pkcs7
    })
  }
  return encrypted.ciphertext.toString()
}

// aes解密
export function decrypt (word) {
  const encryptedHexStr = CryptoJS.enc.Hex.parse(word)
  const srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr)
  const decrypt = CryptoJS.AES.decrypt(srcs, key, {
    iv: iv,
    mode: CryptoJS.mode.CBC,
    padding: CryptoJS.pad.Pkcs7
  })
  const decryptedStr = decrypt.toString(CryptoJS.enc.Utf8)
  return decryptedStr.toString()
}