#please use python 3.11
import socket
import struct
import serial
import time
import platform
import sys 
from enum import Enum
from GAME_METHODS import *

##check if python 3.11 is running code and exit if not 

if not(sys.version_info[0] == 3 and sys.version_info[1] == 11):
    raise Exception("code must be run in python verion 3.11.\ninput struct for network needs to be changed per python version.")

runningOs = platform.system()

UDP_IP = "0.0.0.0"
BEAMNG_UDP_PORT = 4444
FORZA_UDP_PORT= 4843
SERIAL_PORT = ""
firstRun= True #used to do the headers for csv files

class GameType(Enum):
    NONE=0
    BEAMNG = "BEAMNG"
    FORZA = "FORZA"

connectedArduino = False
connectedWebSocket = False
gameSelected = False
portToConnect= 0
gameType= GameType.NONE
carData = 0
csvOut = False

#Functions <-------------------------------------------------------------------------------------------
def csvWriteOut(firstRun,carData,csvFile):
    if firstRun == True:
        out=""
        for im,nm in carData.items():
            out = out + im + ","
        csvFile.write(out + "\n")
    outString=""
    for itm,num in carData.items():
        outString = outString + str(num) +","
    csvFile.write(outString+"\n")

#code runs from here<-----------------------------------------------------------------------------------------------------------

if runningOs == 'Windows':
    print("Windows detacted setting serial port to 'COM5'\n")
    SERIAL_PORT= 'COM5'
elif runningOs == 'Linux':
    print("Linux detected setting serial port to '/dev/ttyAMC0'\n")
    SERIAL_PORT = '/dev/ttyACM0'
else:
    print("OS detection failed setting serial port to 'COM5'\n")
    SERIAL_PORT = 'COM5'

#select game 
while gameSelected == False:
    gameNo = input("1:BEAMNG\n2:FORZA\n\n7:Toggle CSV out ("+str(csvOut)+")\n9:SET SERIAL PORT ("+SERIAL_PORT+")\n")
    if gameNo == "1":
        portToConnect = BEAMNG_UDP_PORT
        gameSelected = True
        gameType=GameType.BEAMNG
        print("BeamNG Selected")
    elif gameNo == "2":
        portToConnect = FORZA_UDP_PORT
        gameType=GameType.FORZA
        gameSelected=True
        print("Forza Selected")
    elif gameNo == "7":
        if csvOut == True:
            csvOut=False
        elif csvOut ==False:
            csvOut =True
    elif gameNo == "9":
        SERIAL_PORT = input("set serial port: ")
    else:
        print("please select a number from the list")

#check everything is connected
while connectedWebSocket == False:
    try:    
        sock = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
        sock.bind((UDP_IP,portToConnect))
        connectedWebSocket = True
    except:
        print("please check you are able to open the socket on this system\ntired to open port: "+portToConnect)
        exit()

while connectedArduino == False:
    try:
        toPi=serial.Serial(SERIAL_PORT,115200,timeout=2) #connect to arduino
        connectedArduino = True
    except:
        print("please check connection to arduino and verify the correct serial port")
        time.sleep(1)

if csvOut == True:
    csvFile = open(gameType.value+"_"+str(int(time.time()))+'.csv',"a")



print("ready:\n")
while True:
    data, addr = sock.recvfrom(1024)
    if gameType == GameType.BEAMNG:
        unpackedData = struct.unpack(BEAMNG_METHODS.BEAMNG_DATA_FORMAT,data)
        carData = BEAMNG_METHODS.unpackData(unpackedData)
        kmh=carData["speed"]*3.6
        if csvOut == True:
            csvWriteOut(firstRun,carData,csvFile)
            firstRun=False
    elif gameType == GameType.FORZA:
        unpackedData = struct.unpack(FORZA_METHODS.FORZA_DATA_FORMAT,data) 
        carData = FORZA_METHODS.unpackData(unpackedData)
        kmh = carData["Speed"]*3.6
        if csvOut == True:
            csvWriteOut(firstRun,carData,csvFile)
            firstRun=False
    try:
        toPi.write(str(kmh).encode()+":".encode())
    except:
        print("arduino disconnected please check connection\n")