"""
Monitor Liquidsoap's sources, logs, and even print what's on air.
"""
import time
from argparse import RawTextHelpFormatter

from django.core.management.base import BaseCommand, CommandError
from django.utils import timezone as tz

import aircox_liquidsoap.settings as settings
import aircox_liquidsoap.utils as utils
import aircox_programs.models as models


class Command (BaseCommand):
    help= __doc__
    output_dir = settings.AIRCOX_LIQUIDSOAP_MEDIA

    def add_arguments (self, parser):
        parser.formatter_class=RawTextHelpFormatter
        parser.add_argument(
            '-o', '--on_air', action='store_true',
            help='Print what is on air'
        )
        parser.add_argument(
            '-m', '--monitor', action='store_true',
            help='Runs in monitor mode'
        )
        parser.add_argument(
            '-d', '--delay', type=int,
            default=1000,
            help='Time to sleep in milliseconds before update on monitor'
        )


    def handle (self, *args, **options):
        connector = utils.Connector()
        self.monitor = utils.Monitor(connector)
        self.monitor.update()

        if options.get('on_air'):
            for id, controller in self.monitor.controller.items():
                print(id, controller.on_air)

        if options.get('monitor'):
            delay = options.get('delay') / 1000
            while True:
                for controller in self.monitor.controllers.values():
                    try:
                        controller.monitor()
                    except Exception, e:
                        print(e)
                time.sleep(delay)