########### Import Libraries
import asyncio
import logging, verboselogs
from src.utils.rest import rest_get, rest_post
from requests.exceptions import RequestException
import json
from dateutil.relativedelta import relativedelta as rd
from config.config import settings_dict
from src.queue_cleaner import queue_cleaner
#print(json.dumps(settings_dict,indent=4))
import requests
########### Enabling Logging
# Set up logging
log_level_num=logging.getLevelName(settings_dict['LOG_LEVEL'])
logger = verboselogs.VerboseLogger(__name__)
logging.basicConfig(
    format=('' if settings_dict['IS_IN_DOCKER'] else '%(asctime)s ') + ('[%(levelname)-7s]' if settings_dict['LOG_LEVEL']=='VERBOSE' else '[%(levelname)s]') + ': %(message)s', 
    level=log_level_num 
)

class Defective_Tracker:
    # Keeps track of which downloads were already caught as stalled previously
    def __init__(self, dict):
        self.dict = dict

# Main function
async def main():
    # Get name of Radarr / Sonarr instances
    try:
        if settings_dict['RADARR_URL']:
            settings_dict['RADARR_NAME'] = (await rest_get(settings_dict['RADARR_URL']+'/system/status', settings_dict['RADARR_KEY']))['instanceName']
    except:
            settings_dict['RADARR_NAME'] = 'Radarr'
    try:
        if settings_dict['SONARR_URL']:
            settings_dict['SONARR_NAME'] = (await rest_get(settings_dict['SONARR_URL']+'/system/status', settings_dict['SONARR_KEY']))['instanceName']
    except:
        settings_dict['SONARR_NAME'] = 'Sonarr'

    # Print Settings
    fmt = '{0.days} days {0.hours} hours {0.minutes} minutes'
    logger.info('#' * 50)
    logger.info('Application Started!')
    
    logger.info('')      
    logger.info('*** Current Settings ***') 
    logger.info('%s | Removing failed downloads', str(settings_dict['REMOVE_FAILED']))
    logger.info('%s | Removing stalled downloads', str(settings_dict['REMOVE_STALLED']))
    logger.info('%s | Removing downloads missing metadata', str(settings_dict['REMOVE_METADATA_MISSING']))
    logger.info('%s | Removing orphan downloads', str(settings_dict['REMOVE_ORPHANS']))
    logger.info('%s | Removing downloads belonging to unmonitored TV shows/movies', str(settings_dict['REMOVE_UNMONITORED']))
    
    logger.info('')          
    logger.info('Running every: %s', fmt.format(rd(minutes=settings_dict['REMOVE_TIMER'])))   
    logger.info('Permitted number of times before stalled/missing metadata downloads are removed: %s', str(settings_dict['PERMITTED_ATTEMPTS']))      
    logger.info('Downloads with this tag will be skipped: \"%s\"', settings_dict['NO_STALLED_REMOVAL_QBIT_TAG'])                  
    
    logger.info('') 
    logger.info('*** Configured Instances ***')
    if settings_dict['RADARR_URL']: logger.info('%s: %s', settings_dict['RADARR_NAME'], settings_dict['RADARR_URL'])
    if settings_dict['SONARR_URL']: logger.info('%s: %s', settings_dict['SONARR_NAME'], settings_dict['SONARR_URL'])    
    if settings_dict['QBITTORRENT_URL']: logger.info('qBittorrent: %s', settings_dict['QBITTORRENT_URL'])    

    logger.info('') 
    logger.info('*** Check Instances ***')
    if settings_dict['RADARR_URL']:
        error_occured = False
        try: 
            await asyncio.get_event_loop().run_in_executor(None, lambda: requests.get(settings_dict['RADARR_URL']+'/system/status', params=None, headers={'X-Api-Key': settings_dict['RADARR_KEY']}))
            logger.info('OK | %s', settings_dict['RADARR_NAME'])
        except Exception as error:
            error_occured = True
            logger.error('-- | %s *** Error: %s ***', settings_dict['RADARR_NAME'], error)

    if settings_dict['SONARR_URL']:
        try: 
            await asyncio.get_event_loop().run_in_executor(None, lambda: requests.get(settings_dict['SONARR_URL']+'/system/status', params=None, headers={'X-Api-Key': settings_dict['SONARR_KEY']}))
            logger.info('OK | %s', settings_dict['SONARR_NAME'])
        except Exception as error:
            error_occured = True
            logger.error('-- | %s *** Error: %s ***', settings_dict['SONARR_NAME'], error)

    if settings_dict['QBITTORRENT_URL']:
        try: 
            response = await asyncio.get_event_loop().run_in_executor(None, lambda: requests.post(settings_dict['QBITTORRENT_URL']+'/auth/login', data={'username': settings_dict['QBITTORRENT_USERNAME'], 'password': settings_dict['QBITTORRENT_PASSWORD']}, headers={'content-type': 'application/x-www-form-urlencoded'}))
            if response.text == 'Fails.':
                raise ConnectionError('Login failed.')
            response.raise_for_status()
            settings_dict['QBIT_COOKIE'] = {'SID': response.cookies['SID']} 
            logger.info('OK | %s', 'qBittorrent')
        except Exception as error:
            error_occured = True
            logger.error('-- | %s *** Error: %s / Reponse: %s ***', 'qBittorrent', error, response.text)

    if error_occured:
        logger.warning('At least one instance was not reachable. Waiting for 60 seconds, then exiting Decluttarr.')      
        await asyncio.sleep(60)
        exit()

    logger.info('') 
    logger.info('#' * 50)
    if settings_dict['LOG_LEVEL'] == 'INFO':
        logger.info('LOG_LEVEL = INFO: Only logging changes (switch to VERBOSE for more info)')      
    else:
        logger.info(f'')
    if settings_dict['TEST_RUN']:
        logger.info(f'*'* 50)
        logger.info(f'*'* 50)
        logger.info(f'')
        logger.info(f'TEST_RUN FLAG IS SET!')       
        logger.info(f'THIS IS A TEST RUN AND NO UPDATES/DELETES WILL BE PERFORMED')
        logger.info(f'')
        logger.info(f'*'* 50)
        logger.info(f'*'* 50)

    # Check if Qbit Tag exists:
    if settings_dict['QBITTORRENT_URL']:
        current_tags = await rest_get(settings_dict['QBITTORRENT_URL']+'/torrents/tags',cookies=settings_dict['QBIT_COOKIE'])
        if not settings_dict['NO_STALLED_REMOVAL_QBIT_TAG'] in current_tags:
            if settings_dict['QBITTORRENT_URL']: 
                logger.info('Creating tag in qBittorrent: %s', settings_dict['NO_STALLED_REMOVAL_QBIT_TAG'])  
                if not settings_dict['TEST_RUN']:
                    await rest_post(url=settings_dict['QBITTORRENT_URL']+'/torrents/createTags', data={'tags': settings_dict['NO_STALLED_REMOVAL_QBIT_TAG']}, headers={'content-type': 'application/x-www-form-urlencoded'}, cookies=settings_dict['QBIT_COOKIE'])

    # Start application
    while True:
        logger.verbose('-' * 50)
        if settings_dict['RADARR_URL']: await queue_cleaner(settings_dict, 'radarr', defective_tracker)
        if settings_dict['SONARR_URL']: await queue_cleaner(settings_dict, 'sonarr', defective_tracker)
        logger.verbose('')  
        logger.verbose('Queue clean-up complete!')  
        await asyncio.sleep(settings_dict['REMOVE_TIMER']*60)
    return

if __name__ == '__main__':
    instances = {settings_dict['RADARR_URL']: {}} if settings_dict['RADARR_URL'] else {} + \
                {settings_dict['SONARR_URL']: {}} if settings_dict['SONARR_URL'] else {} 
    defective_tracker = Defective_Tracker(instances)
    asyncio.run(main())