import serial


class StabReader:

    def __init__(self, port='/dev/ttyUSB0', baudrate=9600, timeout=1,
                 xonxoff=False, rtscts=False, dsrdtr=True):
        self.port = port
        self.baudrate = baudrate
        self.timeout = timeout
        self.xonxoff = xonxoff
        self.rtscts = rtscts
        self.dsrdtr = dsrdtr
        self.statusDict = {
            'dummy0': '',
            'firmware': '',
            'Betriebstag': '',
            'Status': '',
            'DcTrenner': '',
            'DcRelais': '',
            'AcRelais': '',
            'Wassertemp': '',
            'WassertempMin': '',
            'WassertempMax': '',
            'SolltempSolar': '',
            'SolltempNetz': '',
            'GeraeteTemp': '',
            'IsoMessung': '',
            'Solarspannung': '',
            'dummy5.1': '',
            'Solarstrom': '',
            'Solarleistung': '',
            'SolarenergieHeute': '',
            'SolarenergieGesammt': '',
            'Netzernergie': '',
            'dummy6': '',
            'dummy7': '',
            'dummy8': '',
            'dummy9': '',
            'dummy10': '',
            'dummy11': '',
            'dummy12': '',
            'Seriennummer': '',
            'dummy13': ''
        }
        self.online = False
        self.offline = 0

    def get_value(self, name):
        return self.statusDict[name]

    def is_online(self):
        return self.online

    def read_state(self):
        try:
            # configure the serial connections (the parameters differs on the device you are connecting to)
            with serial.Serial(port=self.port, baudrate=self.baudrate, timeout=self.timeout,
                               xonxoff=self.xonxoff, rtscts=self.rtscts, dsrdtr=self.dsrdtr) as ser:
                ser.write(bytes('rs\r\n', encoding='utf8'))

                for line in ser:
                    #print(line)
                    if len(line) < 10:
                        # line = b'dr\tV1.31\t5\t12\t1\t1\t0\t660\t550\t725\t748\t500\t33\t89\t154.3\t154.83\t0.3276\t50.72\t7843\t34577\t0\t-13\t2.5\t519\t890\t869\t210\t1\t1234567890123456\t748\t1\r\n'
                        # line = b'dr\tV1.31\t6\t5\t0\t0\t0\t650\t550\t725\t748\t500\t32\t89\t130.5\t42.55\t0.0000\t0.00\t0\t34588\t0\t-3\t0.0\t679\t938\t917\t210\t1\t1234567890123456\t748\t111\r\n'
                        # line = b'dr\tV1.31\t5\t12\t1\t1\t0\t650\t550\t725\t748\t500\t33\t89\t134.2\t134.70\t0.0050\t0.67\t7854\t34588\t0\t1\t0.1\t269\t926\t905\t210\t1\t1234567890123456\t748\t80\r\n'
                        # print(line)
                        self.offline = self.offline + 1
                    else:
                        self.offline = 0
                        self.online = True
                        string = line.decode('utf-8')
                        strlist = list(string.split('\t'))
                        # print(strlist)
                        index = 0
                        for d in self.statusDict:
                            self.statusDict[d] = strlist[index]
                            index = index + 1

                    if self.offline == 150:
                        self.online = False
                        self.statusDict['Solarspannung'] = '0'
                        self.statusDict['Solarstrom'] = '0'
                        self.statusDict['Solarleistung'] = '0'


        except Exception as e:
            print('Exception: ' + str(e))
            pass
        finally:
            # ser.close()
            None
        pass

    def get_dummy(self, name):
        dummyDict = {
            'dummy0': '',
            'firmware': '',
            'Betriebstag': '',
            'Status': '',
            'DcTrenner': '',
            'DcRelais': '',
            'AcRelais': '',
            'Wassertemp': '',
            'WassertempMin': '',
            'WassertempMax': '',
            'SolltempSolar': '',
            'SolltempNetz': '',
            'GeraeteTemp': '',
            'IsoMessung': '',
            'Solarspannung': '',
            'dummy5.1': '',
            'Solarstrom': '',
            'Solarleistung': '',
            'SolarenergieHeute': '',
            'SolarenergieGesammt': '',
            'Netzernergie': '',
            'dummy6': '',
            'dummy7': '',
            'dummy8': '',
            'dummy9': '',
            'dummy10': '',
            'dummy11': '',
            'dummy12': '',
            'Seriennummer': '',
            'dummy13': ''
        }
        line = b'dr\tV1.31\t5\t12\t1\t1\t0\t660\t550\t725\t748\t500\t33\t89\t154.3\t154.83\t0.3276\t50.72\t7843\t34577\t0\t-13\t2.5\t519\t890\t869\t210\t1\t1234567890123456\t748\t1\r\n'
        # line = b'dr\tV1.31\t6\t5\t0\t0\t0\t650\t550\t725\t748\t500\t32\t89\t130.5\t42.55\t0.0000\t0.00\t0\t34588\t0\t-3\t0.0\t679\t938\t917\t210\t1\t1234567890123456\t748\t111\r\n'
        # line = b'dr\tV1.31\t5\t12\t1\t1\t0\t650\t550\t725\t748\t500\t33\t89\t134.2\t134.70\t0.0050\t0.67\t7854\t34588\t0\t1\t0.1\t269\t926\t905\t210\t1\t1234567890123456\t748\t80\r\n'
        string = line.decode('utf-8')
        strlist = list(string.split('\t'))
        index = 0
        for d in dummyDict:
            dummyDict[d] = strlist[index]
            index = index + 1
        return dummyDict[name]