import asyncio

from asyncio_mqtt import Client
import json
import fabapi



async def main():
    done = False
    cap = None
    auth = None
    msg = None

    async with Client("192.168.178.31") as client:
        await client.publish("/cmnd/reader", payload='{"Cmd":"haltPICC"}', qos=2, retain=False)
        await client.publish("/cmnd/reader", payload='{"Cmd": "message", "MssgID": 0, "AddnTxt":"    Karte auflegen"}', qos=2, retain=False)
        async with client.filtered_messages("/rfid_reader/111") as messages:
            await client.subscribe("/rfid_reader/#")
            async for message in messages:
                if not auth:
                    auth, msg, cap = await fabapi.connect_with_fabfire_initial("192.168.178.31", 59661, message.payload)
                elif not done:
                    msg, done = await fabapi.connect_with_fabfire_step(auth, message.payload)
                    if done:
                        await client.publish("/cmnd/reader", payload='{"Cmd":"haltPICC"}', qos=2, retain=False)
                        ms = await cap.machineSystem().a_wait()
                        info = await ms.machineSystem.info().a_wait()
                        ma = await info.info.getMachineURN("urn:fabaccess:resource:Testmachine").a_wait()
                        if ma.machine.state == "inUse":
                            await ma.machine.inuse.giveBack().a_wait()
                        else:
                            await ma.machine.use.use().a_wait()
                        done = False
                        cap = None
                        auth = None
                        msg = None

                await client.publish("/cmnd/reader", payload=msg, qos=2, retain=False)


if __name__ == "__main__":
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())