import subprocess
import socket

NO_CALL = 0
INCOMING_CALL = 1
OUTGOING_CALL = 2
OP_CALL = "CALL".encode()
OP_HANG = "HANG".encode()
OP_PING = "PING".encode()
OP_OK = "OK".encode()
OP_ERROR = "ERROR".encode()


def exec_mumble(deaf: bool):
    subprocess.run(
        ["xvfb-run", "-n", "2", "mumble", "rpc", "deaf" if deaf else "undeaf"]
    )
    subprocess.run(
        ["xvfb-run", "-n", "3", "mumble", "rpc", "mute" if deaf else "unmute"]
    )


class CallManager:
    def __init__(self, config):
        self.config = config
        self.state = NO_CALL
        self.station = None

    def call(self, station):
        try:
            s = socket.socket()
            print("host=", station["host"])
            print("port=", station["port"])
            s.connect((station["host"], station["port"]))
            s.send(OP_CALL)
            response = s.recv(1024)
            print("Call notice sent", "response=", response.decode())
            s.close()
            self.undeaf_mumble()
            self.state = OUTGOING_CALL
            self.station = station
            station["red"].on()
        except Exception as e:
            print("Error al realizar la llamada: ", e)
            station["green"].off()

    def incoming_call(self, station):
        self.undeaf_mumble()
        self.state = INCOMING_CALL
        self.station = station
        station["red"].on()

    def hang(self):
        print("Hang! self.station", self.station)
        if self.station is not None:
            self.station["red"].off()
        self.deaf_mumble()
        self.state = NO_CALL
        self.station = None

    def notify_hang(self):
        if self.station is not None:
            s = socket.socket()
            s.connect((self.station["host"], self.station["port"]))
            s.send(OP_HANG)
            response = s.recv(1024)
            print("Hang notify sent", "response=", response.decode())
            s.close()

    def deaf_mumble(self):
        exec_mumble(True)

    def undeaf_mumble(self):
        exec_mumble(False)