from time import time

from gi.repository import GLib
from pydbus import SystemBus

detected_signal = False
timestamp = time()

bus = SystemBus()
bus_revpi = bus.get("com.revolutionpi.ios1", "/com/revolutionpi/ios1")
interface = bus_revpi["com.revolutionpi.ios1.IoManager"]

io_o_1_path = interface.Get("O_1")
io_revpiled_path = interface.Get("RevPiLED")

io_RevPiLED = bus.get("com.revolutionpi.ios1", io_revpiled_path)
io_O_1 = bus.get("com.revolutionpi.ios1", io_o_1_path)


def signal_handler(io_name, io_value):
    global timestamp

    print(f"Signal received: {io_name} = {io_value}")
    if io_name == "O_1":
        timestamp = time()
        io_RevPiLED.Set("com.revolutionpi.ios1.OutInt", "value", GLib.Variant("i", int(io_value)))

    elif io_name == "I_1":
        io_RevPiLED.Set("com.revolutionpi.ios1.OutInt", "value", GLib.Variant("i", int(io_value)))
        io_O_1.Set("com.revolutionpi.ios1.OutBool", "value", GLib.Variant("b", not io_value))
        print(time() - timestamp)


# Start event detection
interface.ActivateIoEvents()

interface.onIoChanged = signal_handler

try:
    loop = GLib.MainLoop()
    loop.run()
except KeyboardInterrupt:
    pass

# Stop event detection
interface.DeactivateIoEvents()