import threading
import subprocess
import asyncio
import os


class OP25Handler: #(threading.Thread):
    def __init__(self):
        super().__init__()
        self.OP25Dir: str = "/home/pi/op25/op25/gr-op25_repeater/apps"
        self.OP25Proc = None

        self.Frequency = None

    def start(self) -> None:
        self.open_op25()

    def set_op25_parameters(self, _frequency):
        self.Frequency = _frequency

    def open_op25(self):
        if self.OP25Proc is not None:
            self.close_op25()

        print(f"Starting OP25")

        cwd = os.getcwd()
        print(cwd)

        os.chdir(self.OP25Dir)

        print(os.getcwd())

        self.OP25Proc = subprocess.Popen([f"./rx.py", "--args", "rtl", "-N", "LNA:49", "-s",
                                          "200000", "-o", "25600", "-U", "-f", f"{self.Frequency}e6", "-X", "-2",
                                          "-l" "http:0.0.0.0:8080"])

        os.chdir(cwd)

    def close_op25(self):
        print(f"Closing OP25")
        try:
            self.OP25Proc.kill()

            seconds_waited = 0
            while self.OP25Proc.poll() is None:
                # Terminate the process every 5 seconds
                if seconds_waited % 5 == 0:
                    print("Terminating OP25")
                    self.OP25Proc.terminate()
                asyncio.sleep(1000)
                print(f"Waited {seconds_waited} seconds")
                seconds_waited += 1

        except Exception as e:
            print(e)