from os import getenv
from signal import SIGTERM, signal
from pidfile import delete_pidfile, pidfile_name, create_pidfile
from os.path import exists
from SignalRouter import SignalRouter
from Bar import Bar
from Module import Module
from parse_config_file import get_bar_config_and_monitor_list

def sigterm_handler(signal, frame):
    delete_pidfile(pidfile_name())
    exit()

def main():
    if exists("./data/testing_config.yml"):
        config_file = "./data/testing_config.yml"
    else:
        config_file = str(getenv("HOME")) + "/.config/easyconf-lemonbar.yml"

    bar_config, monitor_list = get_bar_config_and_monitor_list(config_file)
    padding = bar_config["padding"]
    seperator = bar_config["seperator"]
    margin = bar_config["margin"]

    signal_router = SignalRouter()

    bar = Bar(seperator, margin)

    for monitor in monitor_list:
        bar.add_monitor(monitor)
        module_config_list = monitor_list[monitor]["modules"]
        for module_config in module_config_list.values():
            module = Module(module_config, padding, bar)
            bar.add_module(monitor, module)
            module.start_thread()
            if module.signal != 0:
                signal_router.register_signal_thread(module.signal, module.ident)

    create_pidfile(pidfile_name())

    signal(SIGTERM, sigterm_handler)

if __name__ == "__main__":
    main()