from typing import Optional

from os import path

from argparse import ArgumentParser

from bot import Bot, app_vars
from bot.config import save_default_file
from bot.sound_devices import SoundDeviceManager

parser = ArgumentParser()
parser.add_argument(
    "-c",
    "--config",
    help="Path to the configuration file",
    default=path.join(app_vars.directory, "config.json"),
)
parser.add_argument("-C", "--cache", help="Path to the cache file", default=None)
parser.add_argument("-l", "--log", help="Path to the log file", default=None)
parser.add_argument(
    "--devices", help="Show available devices and exit", action="store_true"
)
parser.add_argument(
    "--default-config",
    help='Save default config to "config_default.json" and exit',
    action="store_true",
)
args = parser.parse_args()


def main(
    config: str = args.config,
    cache: Optional[str] = args.cache,
    log: Optional[str] = args.log,
    devices: bool = args.devices,
    default_config: bool = args.default_config,
) -> None:
    if devices:
        bot = Bot(None, None, None)
        echo_sound_devices(bot.sound_device_manager)
    elif default_config:
        save_default_file()
        print("Successfully dumped to config_default.json")
    else:
        bot = Bot(config, cache, log)
        bot.initialize()
        try:
            bot.run()
        except KeyboardInterrupt:
            bot.close()


def echo_sound_devices(sound_device_manager: SoundDeviceManager):
    print("Output devices:")
    for i, device in enumerate(sound_device_manager.output_devices):
        print("\t{index}: {name}".format(index=i, name=device.name))
    print()
    print("Input devices:")
    for i, device in enumerate(sound_device_manager.input_devices):
        print("\t{index}: {name}".format(index=i, name=device.name))


if __name__ == "__main__":
    main()