#!/usr/bin/env python3
import threading
import serial
import queue
from xmodem import XMODEM
import io
from bleak import BleakClient
import platform
import asyncio
import wx


mac_addr = (
    "80:1F:12:B7:86:93"
    if platform.system() != "Darwin"
    else "B9EA5233-37EF-4DD6-87A8-2A875E821C46"
)

def notification_handler(sender, data):
    print(', '.join('{:02x}'.format(x) for x in data))

async def connect(mac_addr: str):
    CHARACTERISTIC_UUID = "49535343-1E4D-4BD9-BA61-23C647249616"
    async with BleakClient(mac_addr) as client:
        x = await client.is_connected()
        print(  "Connected: {0}".format(x))
        print(client)
        await client.write_gatt_char(CHARACTERISTIC_UUID, b'\n')
        await client.start_notify(CHARACTERISTIC_UUID, notification_handler)
        return client


async def write(client, cmd):
    CHARACTERISTIC_UUID = "49535343-1E4D-4BD9-BA61-23C647249616"
    print('cmd ' + str(cmd))
    print(client)
    await client.write_gatt_char(CHARACTERISTIC_UUID, cmd)


class CliThread(threading.Thread):
    def __init__(self, parent):
        threading.Thread.__init__(self)

        self.alive = threading.Event()

        self.q = queue.Queue(100)
 #       self.nodeSerial = serial.Serial(port=port, baudrate=9600)

        print('bleaaak')
        self.client = asyncio.run(connect(mac_addr))


        asyncio.run(write(self.client, b'\n'))

        self.alive.set()

    def close(self):
        self.alive.clear()
        self.nodeSerial.close()

    def command(self, cmd, response):
        asyncio.run(write(self.client, cmd))
        self.q.put(response)
        #self.nodeSerial.write(cmd)

    def getc(self, size, timeout=1):
        return self.nodeSerial.read(size) or None
    def putc(self,data, timeout=1):
        return self.nodeSerial.write(data)  # note that this ignores the timeout

    def xmodem(self, lines):
        self.xmodemlines = lines
        self.q.put(None)
        self.nodeSerial.write(b'xmodem\n')

    def run(self):
        """\
        Thread that handles the incoming traffic. Does the basic input
        transformation (newlines) and generates an SerialRxEvent
        """
        b = ''
        cmd = []
        lines = ''
        while self.alive.isSet():
            #for c in self.nodeSerial.read():
            #with await client.read_gatt_char(CHARACTERISTIC_UUID) as c:
                c = chr(c)
                print(c, end='')
                b += c

                if b[0:3] == 'ch>':
                    if (len(cmd) > 0):
                        callback = self.q.get(block=False)
                        if callback != None:
                            wx.CallAfter(callback, lines)
                        lines = []

                        if cmd[0] == 'list':
#                            wx.CallAfter(self.scriptUpdate, lines)
                            lines = []
                        if cmd[0] == 'fget':
                            #wx.CallAfter(self.dataUpdate, lines)
                            lines = []

                        if cmd[0] == 'info':
                            #wx.CallAfter(self.parent.m_staticTextNode.SetLabel, "".join(lines))
                            lines = []
#                        if cmd[0] == 'sget':
#                            wx.CallAfter(self.m_staticTextBattery.SetLabel, "Battery: " + lines[0][6:-2] + " mV")
#                            lines = []
                        if cmd[0] == 'finfo':
#                            wx.CallAfter(self.m_staticTextFlash.SetLabel, "".join(lines))
                            lines = []
                        if cmd[0] == 'date':
#                            wx.CallAfter(self.m_staticTextDatetime.SetLabel, "Datetime: " + lines[0])
                            lines = []
                        if cmd[0] == 'sdi12':
#                            if cmd[1] == '?!':
#                                wx.CallAfter(self.m_textCtrlSDI12Adress.SetLabel, lines[0].split(' ')[2].replace('\r','').replace('\n',''))
#                            if cmd[1][1:] == 'I!':
#                                wx.CallAfter(self.m_textCtrlSDI12Identification.SetValue, lines[0][7:])
#                            wx.CallAfter(self.m_textCtrlSDI12CommandResult.SetValue, lines[0].split(':')[1][1:])
                            lines = []
                        if cmd[0] == 'sget':
                            #wx.CallAfter(self.m_staticTextValue.SetLabel, lines[0].split(':')[1][1:])
                            wx.CallAfter(self.m_textCtrlSensorValue.SetValue,
                                lines[0].split(':')[1][1:] + ' ' +
                                self.json_data['sensors'][self.m_comboBoxSensor.GetSelection()]['types'][self.m_comboBoxType.GetSelection()]['unit'])
                            lines = []
                        if cmd[0] == 'owsearch':
                            for line in lines:
                                #wx.CallAfter(self.m_listBox1wire.Append, line.split('      ')[0])
                                wx.CallAfter(self.m_listBox1wire.Append, line)

#                                wx.CallAfter(self.m_listCtrl1wire.InsertItem, 0, line.split('      ')[1].replace('\r', '').replace('\n',''))
                            lines = []

                        cmd = []



                if c == '\n':
                    if len(cmd) > 0:
                        lines.append(b)
                    if b[0:3] == 'ch>':
                        b = b.replace('\r', '').replace('\n','')
                        cmd = b.split(' ')[1:]
                        lines = []
                    if len(cmd) > 0:
                        if cmd[0] == 'xmodem':
                            modem = XMODEM(self.getc, self.putc)
                            stream = io.BytesIO(bytes(''.join(self.xmodemlines), 'utf-8'))
                            #stream = io.BytesIO(b"hhh")
                            #stream = io.StringIO("gfbgjfg")
                            #stream = open('script_test.bas', 'rb')
                            modem.send(stream)

                    b = ''

            #b = self.nodeSerial.read(self.nodeSerial.in_waiting or 1)
            #if b:
                # newline transformation
                #if self.settings.newline == NEWLINE_CR:
                #    b = b.replace(b'\r', b'\n')
                #elif self.settings.newline == NEWLINE_LF:
                #    pass
                #elif self.settings.newline == NEWLINE_CRLF:
                #    b = b.replace(b'\r\n', b'\n')
                #event = SerialRxEvent(self.GetId(), b)
                #self.GetEventHandler().AddPendingEvent(event)
               # self.logComm.write(b);