export const SERVICE_TYPE = '_notice_service._tcp.'
export const FACE_DERECT = 'face_detect'
export const FACE_RECOGNIZE = 'face_recognize'
export const FACE_ENROll = 'face_enroll'
export const STOP_STREAM = 'stop_stream'
export const GET_ID = 'get_id'
export const FACE_DELETE = 'face_delete'
export const DELETE_ALL = 'delete_all'
export const ON_STATUS = 1
export const OFF_STATUS = 0
export const HTTP_STR = 'http://null:80/control'
export const HTTP_STATUS = 'http://null:80/status'
export const HTTP_STREAM = 'http://null:81/stream'
export const FRAME_CTRL_POSITION_ENCRYPTED = 0
export const FRAME_CTRL_POSITION_CHECKSUM = 1
export const FRAME_CTRL_POSITION_DATA_DIRECTION = 2
export const FRAME_CTRL_POSITION_REQUIRE_ACK = 3
export const FRAME_CTRL_POSITION_FRAG = 4
export const DIRECTION_OUTPUT = 0
export const DIRECTION_INPUT = 1
export const AES_BASE_IV = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
export const NEG_SET_SEC_TOTAL_LEN = 0x00
export const NEG_SET_SEC_ALL_DATA = 0x01
export const PACKAGE_VALUE = 0x01
export const SUBTYPE_NEG = 0x00
export const SUBTYPE_WIFI_MODEl = 0x02
export const SUBTYPE_END = 0x03
export const PACKAGE_CONTROL_VALUE = 0x00
export const SUBTYPE_WIFI_NEG = 0x09
export const SUBTYPE_SET_SSID = 0x2
export const SUBTYPE_SET_PWD = 0x3
export const SUBTYPE_WIFI_LIST_NEG = 11
export const SUBTYPE_NEGOTIATION_NEG = 0
export const SUBTYPE_CUSTOM_DATA = 0x13
export const DH_P =
  'cf5cf5c38419a724957ff5dd323b9c45c3cdd261eb740f69aa94b8bb1a5c96409153bd76b24222d03274e4725a5406092e9e82e9135c643cae98132b0d95f7d65347c68afc1e677da90e51bbab5f5cf429c291b4ba39c6b2dc5e8c7231e46aa7728e87664532cdf547be20c9a3fa8342be6e34371a27c06f7dc0edddd2f86373'
export const DH_G = '02'
export const descSucListEN = [
  'Bluetooth connecting...',
  'Bluetooth connection successful',
  'Device information is successfully obtained',
  'Attribute information is successfully obtained',
  'Send configuration information...',
  'Configuration information sent successfully',
  'Connection successfully',
]

export const descFailListEN = [
  'Bluetooth connection failed',
  'Device information acquisition failed',
  'Attribute information acquisition failed',
  'Configuration information sent failed',
  'Distribution network failed',
]

export const descSucList = [
  '蓝牙连接...',
  '蓝牙连接成功',
  '设备信息已成功获取',
  '属性信息已成功获取',
  '发送配置信息...',
  '成功发送配置信息',
  '成功连接',
]

export const descFailList = [
  '蓝牙连接失败',
  '设备信息获取失败',
  '属性信息获取失败',
  '配置信息发送失败',
  '网络配置失败',
  '蓝牙异常断开',
]

export const successList = {
  0: 'NULL',
  1: 'STA',
  2: 'SoftAP',
  3: 'SoftAP & STA',
}

export const failList = {
  0: 'sequence error',
  1: 'checksum error',
  2: 'decrypt error',
  3: 'encrypt error',
  4: 'init security error',
  5: 'dh malloc error',
  6: 'dh param error',
  7: 'read param error',
  8: 'make public error',
}
export const CRC_TB = [
  0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129, 0xa14a, 0xb16b,
  0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
  0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443, 0x0420, 0x1401,
  0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
  0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738,
  0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
  0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 0x5af5, 0x4ad4, 0x7ab7, 0x6a96,
  0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
  0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd,
  0xad2a, 0xbd0b, 0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
  0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9, 0xb1ca, 0xa1eb,
  0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
  0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x02b1, 0x1290, 0x22f3, 0x32d2,
  0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
  0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8,
  0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
  0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806, 0x6827,
  0x18c0, 0x08e1, 0x3882, 0x28a3, 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
  0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d,
  0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
  0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74,
  0x2e93, 0x3eb2, 0x0ed1, 0x1ef0,
] //转16进制
// ArrayBuffer转16进制字符串
export const ab2hex = buffer => {
  const hexArr = Array.from(new Uint8Array(buffer), bit => bit.toString(16).padStart(2, '0'))
  return hexArr
}

// 16进制字符串转普通字符串
export const hexCharCodeToStr = hexCharCodeStr => {
  const trimedStr = hexCharCodeStr.trim()
  const rawStr = trimedStr.toLowerCase().startsWith('0x') ? trimedStr.slice(2) : trimedStr
  const len = rawStr.length

  if (len % 2 !== 0) {
    console.error('Illegal Format ASCII Code!')
    return ''
  }

  const resultStr = []
  for (let i = 0; i < len; i += 2) {
    const curCharCode = parseInt(rawStr.substr(i, 2), 16)
    resultStr.push(String.fromCharCode(curCharCode))
  }

  return resultStr.join('')
}

// 过滤设备列表
export const filterDevice = (devices, filterName) => {
  const re = new RegExp(`^(${filterName})`)
  return devices.filter(device => re.test(device.name))
}

// 获取类型
export const getType = (pkgType, subType) => {
  return (subType << 2) | pkgType
}

// Uint8Array转数组
export const uint8ArrayToArray = uint8Array => {
  return Array.from(uint8Array)
}

// 16进制转二进制数组
export const hexToBinArray = str => {
  const dec = parseInt(str, 16)
  let bin = dec.toString(2)
  const len = bin.length

  if (len < 8) {
    bin = bin.padStart(8, '0')
  }

  return bin.split('')
}

// 16进制字符串转数组
export const hexByArray = str => {
  let formattedStr = str
  if (str.length % 2 !== 0) {
    formattedStr = '0' + str
  }

  const arr = []
  for (let i = 0; i < formattedStr.length; i += 2) {
    arr.push(formattedStr.substring(i, i + 2))
  }

  return arr
}

// 16进制字符串转整型数组
export const hexByInt = str => {
  let formattedStr = str
  if (str.length % 2 !== 0) {
    formattedStr = '0' + str
  }

  const arr = []
  for (let i = 0; i < formattedStr.length; i += 2) {
    arr.push(parseInt(formattedStr.substring(i, i + 2), 16))
  }

  return arr
}

// 排序函数
export const sortBy = (attr, rev = 1) => {
  return (a, b) => {
    const aVal = a[attr]
    const bVal = b[attr]

    if (aVal < bVal) return rev * -1
    if (aVal > bVal) return rev * 1
    return 0
  }
}

// 判断是否为空
export const _isEmpty = str => {
  return str === '' || str === null || str === undefined || str === 'null' || str === 'undefined'
}

// 设置失败背景色
export const setFailBg = () => {
  uni.setNavigationBarColor({
    frontColor: '#ffffff',
    backgroundColor: '#737d89',
  })
}

// 设置成功背景色
export const setSucBg = () => {
  uni.setNavigationBarColor({
    frontColor: '#ffffff',
    backgroundColor: '#4d9efb',
  })
}

// 组装数据格式
export const writeData = (type, subType, frameCtl, seq, len, data = []) => {
  const value = []
  const combinedType = getType(type, subType)
  value.push(combinedType, frameCtl, seq, len)

  if (data.length > 0) {
    value.push(...data)
  }

  return value
}

// 分包处理
export const isSubcontractor = (data, checksum, sequence, encrypt) => {
  const total = data.length
  let lenData = []
  let laveData = []
  let flag = false

  if (total > 16) {
    if (checksum) {
      lenData = data.slice(0, 12)
      laveData = data.slice(12)
    } else {
      lenData = data.slice(0, 14)
      laveData = data.slice(14)
    }

    const len1 = (total >> 8) & 0xff
    const len2 = total & 0xff
    lenData.unshift(len1, len2)
    flag = true
  } else {
    lenData = data
  }

  const len = lenData.length

  if (checksum) {
    lenData = assemblyChecksum(lenData, len, sequence)
  }

  return {
    len,
    lenData,
    laveData,
    flag,
  }
}

// 组装校验和
export const assemblyChecksum = (list, len, sequence) => {
  const checkData = [sequence, len, ...list]
  const crc = caluCRC(0, checkData)
  const checksumByte1 = crc & 0xff
  const checksumByte2 = (crc >> 8) & 0xff

  return [...list, checksumByte1, checksumByte2]
}

// 加密数据
export const encrypt = (aesjs, md5Key, sequence, data, checksum) => {
  const iv = generateAESIV(sequence)
  let list = []
  let sumArr = []

  if (checksum) {
    const len = data.length - 2
    list = data.slice(0, len)
    sumArr = data.slice(len)
  } else {
    list = data
  }

  const encryptData = uint8ArrayToArray(blueAesEncrypt(aesjs, md5Key, iv, new Uint8Array(list)))

  return [...encryptData, ...sumArr]
}

// DH加密
export const blueDH = (p, g, crypto) => {
  const client = crypto.createDiffieHellman(p, 'hex', g, 'hex')
  client.generateKeys()
  return client
}

// MD5加密
export const blueMd5 = (md5, key) => {
  return md5.array(key)
}

// AES加密
export const blueAesEncrypt = (aesjs, mdKey, iv, bytes) => {
  const aesOfb = new aesjs.ModeOfOperation.ofb(mdKey, iv)
  return aesOfb.encrypt(bytes)
}

// AES解密
export const blueAesDecrypt = (aesjs, mdKey, iv, bytes) => {
  const aesOfb = new aesjs.ModeOfOperation.ofb(mdKey, iv)
  return aesOfb.decrypt(bytes)
}

// 获取Frame Control值
export const getFrameCTRLValue = (encrypted, checksum, direction, requireAck, frag) => {
  let frame = 0

  if (encrypted) frame |= 1 << FRAME极狐_CTRL_POSITION_ENCRYPTED
  if (checksum) frame |= 1 << FRAME_CTRL_POSITION_CHECKSUM
  if (direction === DIRECTION_INPUT) frame |= 1 << FRAME_CTRL_POSITION_DATA_DIRECTION
  if (requireAck) frame |= 1 << FRAME_CTRL_POSITION_REQUIRE_ACK
  if (frag) frame |= 1 << FRAME_CTRL_POSITION_FRAG

  return frame
}

// 生成AES IV
export const generateAESIV = sequence => {
  return AES_BASE_IV.map((val, i) => (i === 0 ? sequence : val))
}

// 计算CRC
export const caluCRC = (crc, pByte) => {
  crc = ~crc & 0xffff

  for (const byte of pByte) {
    crc = CRC_TB[((crc & 0xffff) >> 8) ^ (byte & 0xff)] ^ ((crc & 0xffff) << 8)
  }

  return ~crc & 0xffff
}

// 发送请求
export const send = (method, url, data, suc, error) => {
  console.log(url)
  uni.request({
    url,
    data,
    header: {
      'Content-Type': 'application/json',
    },
    method,
    success: res => {
      suc?.(res.data)
    },
    fail: () => {
      error?.()
    },
  })
}

// 显示加载中
export const showLoading = msg => {
  uni.hideLoading()
  uni.showLoading({
    title: msg,
    mask: true,
  })
}

// 显示提示
export const showToast = msg => {
  uni.showToast({
    title: msg,
    icon: 'none',
    duration: 2000,
  })
}

// OTA擦除
export const write_ota_erase = (cmd, len, addr, block_num) => {
  return [cmd, 4, 256, 1, 54, 0]
}

// OTA编程
export const write_ota_program = (cmd, len, addr, buf) => {
  const value = []
  const offest = addr
  let sum = 0

  if (cmd === 0x80) {
    for (let i = 0; i < len; i++) {
      sum += buf.getUint8(i + offest)
    }
  }

  let calculatedAddr = addr + 4 * 1024
  calculatedAddr = calculatedAddr / 16

  value.push(cmd, len, calculatedAddr & 0xff, calculatedAddr >> 8)

  if (cmd === 0x80) {
    value.push(sum & 0xff, (sum & 0xff00) >> 8, 0, 0)
  }

  for (let i = 0; i < len; i++) {
    value.push(buf.getUint8(i + offest))
  }

  return value
}

// OTA校验和
export const write_ota_sum = (cmd, len, data) => {
  return [
    cmd,
    0,
    0,
    0,
    len & 0xff,
    (len >> 8) & 0xff,
    (len >> 16) & 0xff,
    (len >> 24) & 0xff,
    data & 0xff,
    (data >> 8) & 0xff,
    (data >> 16) & 0xff,
    (data >> 24) & 0xff,
  ]
}

export default {
  _isEmpty,
  send,
  SERVICE_TYPE,
  FACE_DERECT,
  FACE_RECOGNIZE,
  FACE_ENROll,
  STOP_STREAM,
  GET_ID,
  ON_STATUS,
  OFF_STATUS,
  HTTP_STR,
  HTTP_STATUS,
  HTTP_STREAM,
  FACE_DELETE,
  DELETE_ALL,
  ab2hex,
  hexCharCodeToStr,
  filterDevice,
  getType,
  hexToBinArray,
  hexByArray,
  hexByInt,
  sortBy,
  setFailBg,
  setSucBg,
  writeData,
  isSubcontractor,
  getFrameCTRLValue,
  blueDH,
  blueMd5,
  blueAesEncrypt,
  blueAesDecrypt,
  uint8ArrayToArray,
  generateAESIV,
  caluCRC,
  encrypt,
  DH_P,
  DH_G,
  DIRECTION_OUTPUT,
  DIRECTION_INPUT,
  NEG_SET_SEC_TOTAL_LEN,
  NEG_SET_SEC_ALL_DATA,
  PACKAGE_VALUE,
  SUBTYPE_NEG,
  PACKAGE_CONTROL_VALUE,
  SUBTYPE_WIFI_NEG,
  SUBTYPE_WIFI_LIST_NEG,
  SUBTYPE_NEGOTIATION_NEG,
  SUBTYPE_WIFI_MODEl,
  SUBTYPE_SET_SSID,
  SUBTYPE_SET_PWD,
  SUBTYPE_END,
  SUBTYPE_CUSTOM_DATA,
  descSucList,
  descFailList,
  successList,
  failList,
  showToast,
  showLoading,
  write_ota_sum,
  write_ota_program,
  write_ota_erase,
}