import argparse
import subprocess
import sys

import bluetooth			#PyBluez

from src.pipewire import Pipewire

version = '0.0.0'

def bluetooth_scan(args):
	print('Discovering Bluetooth Devices...')

	nearby_devices = bluetooth.discover_devices(duration=10, lookup_names=True, flush_cache=True, lookup_class=False)

	print('Discovered {} devices:'.format(len(nearby_devices)))
	for device in nearby_devices:
		print(f'{device[0]}\t{device[1]}')

def bluetooth_connect(args):
	process = subprocess.run(['bluetoothctl', 'connect', args.address], capture_output=True)
	for line in iter(lambda: process.stdout.read(1), b""):
		sys.stdout.buffer.write(line);
	print("%s",process.stderr)

def pipewire_list(args):
	print("ID | Description")
	print("----------------")

	sinks = Pipewire.get_sinks()
	for sink in sinks:
		print(str(sink['id']) + " | " + sink['info']['props']['node.description'])

def pipewire_get_default_sink(args):
	print("ID | Description")
	print("----------------")

	sink = Pipewire.get_default_audio_sink()
	print(str(sink['id']) + " | " + sink['info']['props']['node.description'])

def pipewire_get_volume(args):
	print(Pipewire.get_volume())

def main():
	argparser = argparse.ArgumentParser(description='CarPI CLI.')

	# Create actions
	actions = argparser.add_subparsers(title='actions', required=True, dest='action')

	action_bt_list = actions.add_parser('bluetooth-list', help='list nearby bluetooth devices')
	action_bt_list.set_defaults(func=bluetooth_scan)

	action_bt_connect = actions.add_parser('bluetooth-connect', help='connect to a bluetooth device')
	action_bt_connect.set_defaults(func=bluetooth_connect)
	action_bt_connect.add_argument('address', help='the bluetooth address of the device to connect to.')

	action_pw_list = actions.add_parser('pipewire-list', help='list pipewire objects')
	action_pw_list.set_defaults(func=pipewire_list)

	action_pw_get_default_sink = actions.add_parser('pipewire-get-default-sink', help='show the default audio sink')
	action_pw_get_default_sink.set_defaults(func=pipewire_get_default_sink)

	action_pw_get_volume = actions.add_parser('pipewire-get-volume', help='get volume of the specified device')
	action_pw_get_volume.set_defaults(func=pipewire_get_volume)

	args = argparser.parse_args()
	args.func(args)

if (__name__ == "__main__"):
	sys.exit(main())