import collections
class Device():
    areas = []
    startAddress = None
    endAddress = None
    protocolType = None
    masterOrSlave = None
    def __init__(self):
        pass

    def addAreas(self):
        areas.append(Area())


    def getValueLength(self):
        pass


    def writeAreas(self):
        pass

class DevicesManange():
    def __init__(self):
        self.masterDevices = collections.OrderedDict()
        self.slaveDevices = collections.OrderedDict() # 有序字典 (OrderedDict)
        self.initDevices()

    def initDevices(self):
        devices = DeviceDB.get_all()

        if devices is 'error':
            return
        for x in devices:
            masterSlaveModel = x.masterSlaveModel
            if masterSlaveModel == '主站':
                devices = x.deviceName
                masterByteLong = 0
                if x.areaJson is not None:
                    for y in json.loads(x.areaJson):
                        numbers = y['nums']
                        bytes = int(y['bytes'])
                        if bytes % 2 == 0:
                            byte = bytes // 2
                        else:
                            byte = (bytes + 1) // 2
                        masterByteLong += int(numbers) * int(byte)
                self.masterDevices[devices] = masterByteLong
            elif masterSlaveModel == '从站':
                devices = x.deviceName
                salveByteLong = 0
                if x.areaJson is not None:
                    for y in json.loads(x.areaJson):
                        numbers = y['nums']
                        bytes = int(y['bytes'])
                        if bytes % 2 == 0:
                            byte = bytes // 2
                        else:
                            byte = (bytes + 1) // 2
                        salveByteLong += int(numbers) * (byte)
                self.slaveDevices[devices] = salveByteLong
        print(self.masterDevices,self.slaveDevices,'分别返回PA和DP度')

    def addDevice(self, deviceName,channelNums, channelBytes):
        channelBytes = int(channelBytes)
        if channelBytes % 2 == 0:
            channelBytes = channelBytes // 2
        else:
            channelBytes = (channelBytes + 1) // 2
        if deviceName in self.masterDevices:
            self.masterDevices[deviceName] = self.masterDevices[deviceName] + int(channelNums) * int(channelBytes)
        elif deviceName in self.slaveDevices:
            self.slaveDevices[deviceName] = self.slaveDevices[deviceName] + int(channelNums) * int(channelBytes)
        elif '主站' in deviceName:
            self.masterDevices[deviceName] = int(channelNums) * int(channelBytes)
        elif '从站' in deviceName:
            self.slaveDevices[deviceName] = int(channelNums) * int(channelBytes)

        # print(self.masterDevices,self.slaveDevices,'分别返回PA和DP每个主站寄存器地址的总长度')
        return self.masterDevices, self.slaveDevices  #分别返回PA和DP每个设备的字节的总长度



    def editDevies(self):
        pass

    def getByteLengthStart(self):
        masterAddress = 0
        slaveAddress = 0
        masterAddressList = {}
        slaveAddressList = {}
        for key in self.masterDevices:
            masterAddressList[key] = int(masterAddress)
            masterAddress = int(self.masterDevices[key]) + masterAddress
            print(self.masterDevices[key],'dddd')
        for key in self.slaveDevices:
            slaveAddressList[key] = int(slaveAddress)
            slaveAddress = int(self.slaveDevices[key]) + slaveAddress
        print(masterAddressList, '主站', slaveAddressList, '从站')
        return masterAddressList, slaveAddressList #返回PA和DP每个字节长度的起始值