function typof(v: unknown) {
  var s = Object.prototype.toString.call(v)
  return s.substring(8, s.length - 1)
}

function isDebugMode() {
  // @ts-expect-error
  return typeof __channelId__ === 'string' && __channelId__
}

function jsonStringifyReplacer(key: string, value: unknown) {
  switch (typof(value)) {
    case 'Function':
      return 'function() { [native code] }'
    default:
      return value
  }
}

type LogType = 'log' | 'info' | 'warn' | 'error'

// export function log(type: LogType) {
//   for (
//     var _len = arguments.length,
//       args = new Array(_len > 1 ? _len - 1 : 0),
//       _key = 1;
//     _key < _len;
//     _key++
//   ) {
//     args[_key - 1] = arguments[_key]
//   }
//   console[type].apply(console, args)
// }

export default function formatLog() {
  for (
    var _len = arguments.length, args = new Array(_len), _key = 0;
    _key < _len;
    _key++
  ) {
    args[_key] = arguments[_key]
  }
  var type = args.shift() as LogType
  if (isDebugMode()) {
    args.push(args.pop().replace('at ', 'uni-app:///'))
    return console[type].apply(console, args)
  }

  var msgs = args.map(function (v) {
    var type = Object.prototype.toString.call(v).toLowerCase()

    if (type === '[object object]' || type === '[object array]') {
      try {
        v =
          '---BEGIN:JSON---' +
          JSON.stringify(v, jsonStringifyReplacer) +
          '---END:JSON---'
      } catch (e) {
        v = type
      }
    } else {
      if (v === null) {
        v = '---NULL---'
      } else if (v === undefined) {
        v = '---UNDEFINED---'
      } else {
        var vType = typof(v).toUpperCase()

        if (vType === 'NUMBER' || vType === 'BOOLEAN') {
          v = '---BEGIN:' + vType + '---' + v + '---END:' + vType + '---'
        } else {
          v = String(v)
        }
      }
    }

    return v
  })
  var msg = ''

  if (msgs.length > 1) {
    var lastMsg = msgs.pop()
    msg = msgs.join('---COMMA---')

    if (lastMsg.indexOf(' at ') === 0) {
      msg += lastMsg
    } else {
      msg += '---COMMA---' + lastMsg
    }
  } else {
    msg = msgs[0]
  }

  console[type](msg)
}