#!/usr/bin/python3


import os
import time
import utils
import typing
import subprocess


def start_PA() -> bool:
    # Ensure pulseaudio is available
    retcode = os.system('pulseaudio --check')
    if retcode == 0:
        utils.log('Stopping pulse audio...')
        retcode = os.system('pulseaudio --kill')
        if retcode != 0:
            utils.log(f'pulseaudio failed to stop, exit code: {retcode}')
        # return False
    
        # Wait 5 second
        utils.log('Waiting 5s for pulseaudio stop...')
        time.sleep(5.0)

    utils.log('Starting pulseaudio...')
    retcode = os.system('pulseaudio --start')
    if retcode != 0:
        utils.log(f'pulseaudio failed to start, exit code: {retcode}')
        return False
    
    # Check if module-bluetooth-discover is available
    retcode, output = subprocess.getstatusoutput('/usr/bin/pacmd list modules | /usr/bin/grep module-bluetooth-discover')
    if retcode == 0:
        if 'module-bluetooth-discover' in output:
            utils.log('PA module-bluetooth-discover is loaded already.')
            return True
        else:
            utils.log('PA module-bluetooth-discover is not loaded yet.')
    
    utils.log('Attempt to load module-bluetooth-discover...')
    retcode = os.system('pacmd load-module module-bluetooth-discover')
    if retcode != 0:
        utils.log_error(f'  Failed to load module-bluetooth-discover, exit code: {retcode}')
        return False
    else:
        utils.log('  Load success.')
    
    return True

if __name__ == '__main__':
    start_PA()