Imports System.Data.Common
Imports System.IO
Imports System.Security.Cryptography
Imports System.Text

Module RCUModule

#Region "数据库操作"

    ''' <summary>远程数据库类型</summary>
    Public RemoteDbType As DbExecutor.DbTypeEnum = DbExecutor.DbTypeEnum.Mysql

    ''' <summary>远程数据库名</summary>
    Public RemoteDbName As String = "blv_rcu_config"

    Public FPrefix As Char = "`"
    'Public FSuffix As Char = "'"

    ''' <summary>
    ''' 连接数据库字符串
    ''' </summary>
    ''' <returns></returns>
    Public Function ConnSQLString() As String
        'MSSQL连接方式
        Dim remoteConn As New DbConnectionStringBuilder From {
            {"Data Source", "47.119.147.104"},
            {"Initial Catalog", "AuthorityDB"},
            {"Integrated Security", "false"},
            {"User ID", "sa"},
            {"Password", "9S844fK3"}
        }

        Dim DbConnString As String = "Server=blv-cloud-db.mysql.rds.aliyuncs.com;Port=3307;Database=blv_rcu_config;Uid=blv_rcu;Pwd=fnadiaJDIJ7546;charset=utf8;"
        Return DbConnString
        Return remoteConn.ToString()
    End Function


#End Region

#Region "功能全局变量"


    ''' <summary>
    ''' 是否处于网络接收状态
    ''' </summary>
    Public _isReceiving As Boolean


    ''' <summary>
    ''' 是否通过UDP发送数据
    ''' </summary>
    Public _isSendByUdp As Boolean


    ''' <summary>
    ''' 是否读取
    ''' </summary>
    Public _isRead As Boolean


    ''' <summary>
    ''' 是否准备完成
    ''' </summary>
    Public _isPrepare As Boolean


    ''' <summary>
    ''' 红外回复处理
    ''' </summary>
    Public _InfraredReceProcessing As Boolean


    ''' <summary>
    ''' 红外烧录是否回复
    ''' </summary>
    Public _isInfraredreply As Boolean


    ''' <summary>
    ''' 记录重发次数
    ''' </summary>
    Public _resend As Integer = 0


    ''' <summary>
    ''' 配对设备列表设备总数
    ''' </summary>
    Public _pairingDevCount As Integer = 0


    ''' <summary>
    ''' RF配对模式
    ''' </summary>
    Public _pairingModel As Boolean


    ''' <summary>
    ''' 设备列表键值对
    ''' </summary>
    Public _devList As New Dictionary(Of String, DeviceListInfo)


    ''' <summary>
    ''' 升级设备列表_键值对
    ''' </summary>
    Public _upgradeDevList As New Dictionary(Of String, UpdateDeviceInfo)


    ''' <summary>
    ''' 点击计数
    ''' </summary>
    Public _clickCount As Integer = 0



#End Region

#Region "数据组透传包"



    ''' <summary>
    ''' 透传数据包头
    ''' </summary>
    Public _fixedHead As Byte() = {&HAA, &H55}


    ''' <summary>
    ''' 透传数据固定ID
    ''' </summary>
    Public _fixeSystemId As Byte() = {&H54, &H33, &H53, &H41}


    ''' <summary>
    ''' 透传数据房间信息
    ''' </summary>
    Public _fixeRoomInfo As Byte() = {&HFF, &HFF, &HFF, &HFF}


    ''' <summary>
    ''' 包头数据长度
    ''' </summary>
    Public _dataHeadLength As UShort = 15


    ''' <summary>
    ''' 数据CRC校验长度
    ''' </summary>
    Public _dataCRCLength As UShort = 2


    ''' <summary>
    ''' 透传命令
    ''' </summary>
    Public _serialCmd As Byte = &H3


    ''' <summary>
    ''' 透传端口
    ''' </summary>
    Public _port485 As Byte


    ''' <summary>
    ''' 透传超时
    ''' </summary>
    Public _timeouts As Byte


    ''' <summary>
    ''' 发送次数标志位
    ''' </summary>
    Public _sendTick As Short = 2      '标志位



    ''' <summary>
    ''' 填充发送数据包
    ''' </summary>
    ''' <param name="data"></param>
    ''' <returns></returns>
    Public Function FillSendDataPacket(data As Byte()) As Byte()
        Dim byteHead As Byte()
        Dim crc16 As Byte()
        Dim sendPacket As Byte()

        byteHead = SendDataHead(data)       '获取DataHaed
        crc16 = CheckSendData(byteHead, data)   '获取Data检验值
        sendPacket = FillSendPacket(byteHead, data, crc16)  '组合发送数据

        Return sendPacket
    End Function


    ''' <summary>
    ''' 填充发送包头数据
    ''' </summary>
    ''' <param name="data"></param>
    ''' <returns></returns>
    Public Function SendDataHead(data As Byte()) As Byte()
        Dim byteHead As Byte()
        Dim packetLength As Short = _dataHeadLength + _dataCRCLength + data.Length
        Dim cmdType As Byte = &H70
        Dim frameNum As Short = 1
        byteHead = FillSendPacketHead(packetLength, cmdType, frameNum)
        Return byteHead
    End Function


    ''' <summary>
    ''' 填充发送信息包头
    ''' </summary>
    ''' <param name="length"></param>
    ''' <param name="cmdType"></param>
    ''' <param name="frameNum"></param>
    ''' <returns></returns>
    Public Function FillSendPacketHead(length As Short, cmdType As Byte, frameNum As Short) As Byte()
        Dim dataHead As New List(Of Byte)
        dataHead.AddRange(_fixedHead)
        dataHead.AddRange(BitConverter.GetBytes(length))
        dataHead.AddRange(_fixeSystemId)
        dataHead.Add(cmdType)
        dataHead.AddRange(BitConverter.GetBytes(frameNum))
        dataHead.AddRange(_fixeRoomInfo)
        Return dataHead.ToArray
    End Function


    ''' <summary>
    ''' 填充发送校验数据
    ''' </summary>
    ''' <param name="byteHead"></param>
    ''' <param name="data"></param>
    ''' <returns></returns>
    Public Function CheckSendData(byteHead As Byte(), data As Byte()) As Byte()
        Dim crc16 As Byte()
        Dim dataList As New List(Of Byte)
        dataList.AddRange(byteHead)
        dataList.AddRange(data)
        crc16 = GetCRC16CheckSum(dataList.ToArray, dataList.Count)
        Return crc16
    End Function


    ''' <summary>
    ''' 填充发送数据包
    ''' </summary>
    ''' <param name="head">数据包头</param>
    ''' <param name="data">数据内容</param>
    ''' <param name="crc16">CRC16校验</param>
    ''' <returns></returns>
    Public Function FillSendPacket(head() As Byte, data() As Byte, crc16() As Byte) As Byte()
        Dim dataList As New List(Of Byte)
        dataList.AddRange(head)
        dataList.AddRange(data)
        dataList.AddRange(crc16)
        Return dataList.ToArray
    End Function



    ''' <summary>
    ''' 填充透传函数
    ''' 填充透传函数的抽象实现
    ''' </summary>
    ''' <param name="dataBuff"></param>
    ''' <returns></returns>
    Public Function FillPacket(dataBuff() As Byte) As Byte()
        If _isReceiving = True Then
            dataBuff = FillPacketRealize(dataBuff)     '透传数据
        End If

        Return dataBuff
    End Function


    ''' <summary>
    ''' 填充透传函数的具体实现
    ''' </summary>
    ''' <param name="dataBuff"></param>
    ''' <returns></returns>
    Public Function FillPacketRealize(dataBuff() As Byte) As Byte()
        Dim data() As Byte = PassthroughData(dataBuff)

        Dim byteHead As Byte()
        Dim crc16 As Byte()
        Dim sendPacket As Byte()

        byteHead = SendDataHead(data)       '获取DataHaed
        crc16 = CheckSendData(byteHead, data)   '获取Data检验值
        sendPacket = FillSendPacket(byteHead, data, crc16)  '组合发送数据

        Return sendPacket
    End Function


    ''' <summary>
    ''' 透传数据CMD
    ''' </summary>
    ''' <param name="dataBuff">串口数据</param>
    ''' <returns></returns>
    Public Function PassthroughData(dataBuff() As Byte)
        Dim dataLen As Integer = dataBuff.Length + 3
        Dim data(dataLen - 1) As Byte
        data(0) = _serialCmd
        data(1) = _port485
        data(2) = _timeouts
        Array.Copy(dataBuff, 0, data, 3, dataBuff.Length)

        Return data.ToArray
    End Function



#End Region

#Region "校验"

    ''' <summary>
    ''' CRC16校验
    ''' </summary>
    ''' <param name="dataBuff"></param>
    ''' <param name="length"></param>
    ''' <returns></returns>
    Public Function GetCRC16CheckSum(dataBuff() As Byte, length As Integer) As Byte()
        Dim crc16 As UInteger
        Dim crcBytes() As Byte

        crc16 = &HFFFF
        For i = 0 To length - 1
            crc16 = crc16 And &HFFFF
            crc16 = crc16 Xor dataBuff(i)
            For bit = 0 To 7
                crc16 = IIf((crc16 And 1) = 0, crc16 >> 1, (crc16 >> 1) Xor &HA001)
            Next
        Next
        crc16 = crc16 And &HFFFF
        crcBytes = BitConverter.GetBytes(UShort.Parse(crc16))
        Return crcBytes
    End Function


    ''' <summary>
    ''' MD5值校验
    ''' </summary>
    ''' <param name="strSource">需要校验的字符串</param>
    ''' <param name="Code">加密模式</param>
    ''' <returns></returns>
    Public Function MD5(ByVal strSource As String, ByVal Code As Short) As String
        Dim dataToHash As Byte() = (New ASCIIEncoding).GetBytes(strSource)
        Dim hashvalue As Byte() = CType(System.Security.Cryptography.CryptoConfig.CreateFromName("MD5"), System.Security.Cryptography.HashAlgorithm).ComputeHash(dataToHash)
        Dim ATR As String = ""
        Dim i As Integer
        Select Case Code
            Case 16      '选择16位字符的加密结果   
                For i = 4 To 11
                    ATR &= Hex(hashvalue(i)).PadLeft(2, "0").ToLower

                Next
            Case 32      '选择32位字符的加密结果   
                For i = 0 To 15
                    ATR &= Hex(hashvalue(i)).PadLeft(2, "0").ToLower
                Next
            Case Else       'Code错误时，返回全部字符串，即32位字符   
                For i = 0 To 15
                    ATR &= Hex(hashvalue(i)).PadLeft(2, "0").ToLower
                Next
        End Select
        Return ATR
    End Function


    ''' <summary>
    ''' MD5校验
    ''' </summary>
    ''' <param name="strSource">需要校验的字符串</param>
    ''' <returns></returns>
    Public Function MD51(ByVal strSource As String) As Byte()
        Dim dataToHash As Byte() = (New UTF8Encoding).GetBytes(UCase(strSource))
        Dim hashvalue As Byte() = CType(System.Security.Cryptography.CryptoConfig.CreateFromName("MD5"), System.Security.Cryptography.HashAlgorithm).ComputeHash(dataToHash)

        Return hashvalue
    End Function


    ''' <summary>
    ''' 获取文件的MD5值
    ''' </summary>
    ''' <param name="filepath">文件路径</param>
    ''' <returns></returns>
    Public Function GetFileMd5(filepath As String) As String
        Dim md5Hasher As New MD5CryptoServiceProvider()
        Dim data As Byte() = md5Hasher.ComputeHash(IO.File.ReadAllBytes(filepath))
        Dim fileMd5 As New StringBuilder()
        Dim i As Integer
        For i = 0 To data.Length - 1
            fileMd5.Append(data(i).ToString("X2"))
        Next

        Return fileMd5.ToString()
    End Function


    ''' <summary>
    ''' 和校验
    ''' 求Byte数组的和校验
    ''' </summary>
    ''' <param name="dataPacket">Byte数组</param>
    ''' <returns></returns>
    Public Function GetSumCheck(dataPacket As Byte()) As Byte
        Dim sum As Integer
        For idx = 0 To dataPacket.Length - 1
            sum += dataPacket(idx)
            sum = sum And &HFF
        Next
        Return sum
    End Function


    ''' <summary>
    ''' 和校验
    ''' 求Byte数组的和校验
    ''' </summary>
    ''' <param name="dataPacket">Byte数组</param>
    ''' <returns></returns>
    Public Function GetSumChecks(dataPacket As Byte(), ByRef len As Integer) As Byte
        Dim sum As Integer
        For idx = 0 To len - 1
            sum += dataPacket(idx)
            sum = sum And &HFF
        Next

        sum = (Not sum) And &HFF
        Return sum
    End Function


    ''' <summary>
    ''' 和校验取余数
    ''' 求Byte数组的和校验取余数
    ''' </summary>
    ''' <param name="dataPacket">Byte数组</param>
    ''' <returns></returns>
    Public Function GetSumCheckMod(dataPacket As Byte()) As Byte
        Dim sum As Integer
        For idx = 0 To dataPacket.Length - 1
            sum += dataPacket(idx)
            sum = sum And &HFF
        Next
        Dim sumMod As Byte = &HFF - sum
        Return sumMod
    End Function



#End Region

#Region "功能模块"


    ''' <summary>
    ''' 红外下载文件夹
    ''' </summary>
    Public _downFile As String = $"{Application.StartupPath}\DownFile"




    ''' <summary>
    ''' 检查网络连接
    ''' </summary>
    Public Function CheckNetWorkConn() As Boolean
        If FrmRCU._connectStatus = FrmRCU.EnConnectStatus.DisConnect Then
            FrmRCU.AppendTipText("数据发送失败! 原因：未打开网络!!!" & vbCrLf, Color.Red)
            Return False
        End If
        Return True
    End Function


    ''' <summary>
    ''' 检测串口连接
    ''' </summary>
    Public Function CheckSerialPortConn() As Boolean
        If FrmRCU.SerialPort.IsOpen = False Then
            FrmRCU.AppendTipText("数据发送失败! 原因：未打开串口!!!" & vbCrLf, Color.Red)
            Return False
        End If
        Return True
    End Function


    ''' <summary>
    ''' Byte数组转字符串
    ''' </summary>
    ''' <param name="databuff"></param>
    ''' <returns></returns>
    Public Function ByteToString(databuff() As Byte)
        Dim strData As String = String.Empty
        For i = 0 To databuff.Length - 1
            strData &= $" {Hex(databuff(i)).PadLeft(2, "0"c)}"
        Next
        Return strData
    End Function


    ''' <summary>
    ''' Int转2个字节Byte
    ''' 高字节在前,低字节在后
    ''' </summary>
    ''' <param name="i"></param>
    ''' <returns></returns>
    Public Function IntToByteHB(ByVal i As Integer) As Byte()
        Dim btemp() As Byte = {0, 0}
        Dim b() As Byte = BitConverter.GetBytes(i)
        btemp(0) = b(0)
        btemp(1) = b(1)
        Return btemp
    End Function


    ''' <summary>
    ''' Int转2个字节Byte
    ''' 低字节在前，高字节在后
    ''' </summary>
    ''' <param name="i"></param>
    ''' <returns></returns>
    Public Function IntToByteLB(ByVal i As Integer) As Byte()
        Dim btemp() As Byte = {0, 0}
        Dim b() As Byte = BitConverter.GetBytes(i)
        btemp(0) = b(1)
        btemp(1) = b(0)
        Return btemp
    End Function


    ''' <summary>
    ''' 分块函数
    ''' 计算Byte数组的块数
    ''' </summary>
    ''' <param name="databuff"></param>
    ''' <returns></returns>
    Public Function GetBlocks(databuff As Byte()) As Integer
        Dim blockCount As Integer = databuff.Length \ 128
        If databuff.Length Mod 128 > 0 Then
            blockCount += 1
        End If
        Return blockCount
    End Function


    ''' <summary>
    ''' 延时N秒
    ''' </summary>
    ''' <param name="HowLong">时间值</param>
    Public Sub PauseWait(ByVal HowLong As Long)
        Dim tick As Long
        tick = My.Computer.Clock.TickCount
        Do
            My.Application.DoEvents()
        Loop Until tick + HowLong < My.Computer.Clock.TickCount
    End Sub


    ''' <summary>
    ''' 读取Hex文件到Byte数组
    ''' </summary>
    ''' <param name="filePath"></param>
    ''' <returns></returns>
    Public Function ReadFileToBytes(filePath) As Byte()
        Dim result As New List(Of Byte)

        Dim tmpString As String = File.ReadAllText(filePath)
        Console.WriteLine($"Befor tmpString:{tmpString}")

        tmpString = tmpString.Replace("0x", "").Replace(vbCrLf, "").Replace(" ", "").Replace(vbTab, "")
        Console.WriteLine($"After tmpString:{tmpString}")

        Dim tmpStringArray() As String = tmpString.Split(New Char() {","c}, StringSplitOptions.RemoveEmptyEntries)

        Dim tmp As String = ""
        For index = 0 To tmpStringArray.Length - 1
            result.Add($"&H{tmpStringArray(index)}")
            tmp &= tmpStringArray(index) & ""
        Next
        Console.WriteLine($"Befor tmp:{ByteToString(result.ToArray)}")
        'Console.WriteLine($"After tmp:{tmp}")

        Return result.ToArray
    End Function


    ''' <summary>
    ''' 删除文件夹
    ''' </summary>
    Public Sub DeleteFiles()
        If Directory.Exists(_downFile) = False Then Exit Sub
        Try
            Directory.Delete(_downFile, True)
        Catch ex As Exception
            MsgBox($"Delete File Error:{ex.Message}")
        End Try
    End Sub


    ''' <summary>
    ''' 字符串转换Byte数组
    ''' 字符串为连续且不包含任意字符的字符串
    ''' </summary>
    ''' <param name="str"></param>
    ''' <returns></returns>
    Public Function GetStringToDataByte(str As String) As Byte()
        Dim dataList As New List(Of Byte)

        For index As Integer = 0 To str.Length - 1 Step 2
            dataList.Add($"&H{str.Substring(index, 2)}")
        Next
        Console.WriteLine($"字符串转换Byte数组： {ByteToString(dataList.ToArray)}")

        Return dataList.ToArray
    End Function





#End Region


#Region "未完善"


    ''' <summary>
    ''' 发送数据处理（所发所见—16进制）
    ''' </summary>
    ''' <returns></returns>
    Private Function CMDParameterSendData()
        Dim sourceData As String = String.Empty       '显示框控件文本
        Dim newData() As String         '新的字符串数据—字符串数组
        Dim newArraylen As Integer      '新数组长度

        newData = sourceData.Split(" ")  '空格为分割的标志
        Console.WriteLine("分几块数据：" & newData.Length)
        newArraylen = newData.Length
        Dim hexData(newArraylen - 1) As Byte
        Dim tmpCnt As Integer = 0
        Try
            For i = 0 To newData.Length - 1
                If newData(i) <> "" Then
                    hexData(tmpCnt) = $"&H{newData(i)}"
                    Console.WriteLine($"要发送的数据" & hexData(tmpCnt))
                    tmpCnt += 1
                End If
            Next
        Catch ex As Exception
            MsgBox("数据输入格式有误")
        End Try
        Return hexData
    End Function


#End Region





End Module