from networktables import NetworkTable
import datetime
import time

IP = "roborio-8-frc.local"

NetworkTable.setIPAddress(IP)
NetworkTable.setClientMode()
NetworkTable.initialize()

table = NetworkTable.getTable("data_table")

recording = False
f = None

def valueChanged(key, value, isNew):
    if key=="start":
        recording = True
        f = open("-".join(str(datetime.datetime.now()).split(" ")).split(".")[0] + ".csv", "w")
    if key=="end":
        recording = False
        f.close()

    if recording:
        f.write(value)

NetworkTable.addGlobalListener(valueChanged)

while True:
    time.sleep(1)