"""Run in CT100191 after staging DLL at /tmp/Jellyfin.Plugin.Enigma2.dll."""
import datetime,json,pathlib,shutil,sqlite3,subprocess,urllib.request
db=sqlite3.connect('file:/var/lib/jellyfin/data/jellyfin.db?mode=ro',uri=True)
token=db.execute('SELECT AccessToken FROM ApiKeys ORDER BY Id LIMIT 1').fetchone()[0];db.close()
headers={'Authorization':'MediaBrowser Token="'+token+'", Client="DecoderIntegration", Device="Maintenance", DeviceId="decoder-maintenance", Version="7"'}
def get(path):
 return json.load(urllib.request.urlopen(urllib.request.Request('http://127.0.0.1:8096'+path,headers=headers),timeout=30))
if get('/System/Info/Public')['Version']!='12.2.0':raise SystemExit('This build requires Jellyfin 12.2.0')
if any(s.get('NowPlayingItem') for s in get('/Sessions')):raise SystemExit('Active playback: restart deferred')
plugins=pathlib.Path('/var/lib/jellyfin/plugins')
backup=pathlib.Path('/var/lib/jellyfin/decoder-plugin-backups')/datetime.datetime.now(datetime.timezone.utc).strftime('%Y%m%dT%H%M%SZ')
backup.mkdir(parents=True,mode=0o700)
config=plugins/'configurations/Jellyfin.Plugin.Enigma2.xml'
if config.exists():shutil.copy2(config,backup/config.name)
web_config=pathlib.Path('/usr/share/jellyfin/web/config.json')
shutil.copy2(web_config,backup/'web-config.json')
old=[p for p in plugins.glob('Enigma2_*') if p.is_dir()]
new=plugins/'Enigma2_7.0.0.0'
subprocess.run(['systemctl','stop','jellyfin'],check=True)
try:
 for folder in old:shutil.move(str(folder),str(backup/folder.name))
 new.mkdir();shutil.copy2('/tmp/Jellyfin.Plugin.Enigma2.dll',new/'Jellyfin.Plugin.Enigma2.dll')
 metadata={'category':'Live TV','description':'Enigma2 with internet EPG artwork and per-user channel preferences','guid':'193f29f9-ea6c-4595-a6f6-55e79d7c590a','name':'Enigma2','overview':'Enigma2 decoder integration','owner':'local','status':'Active','targetAbi':'12.2.0.0','version':'7.0.0.0'}
 (new/'meta.json').write_text(json.dumps(metadata))
 subprocess.run(['chown','-R','jellyfin:jellyfin',str(new)],check=True)
 settings=json.loads(web_config.read_text());links=settings.setdefault('menuLinks',[])
 if not any(x.get('name')=='Telewizja dekodera' for x in links):links.append({'name':'Telewizja dekodera','icon':'tv','url':'../DecoderIntegration/Channels'})
 web_config.write_text(json.dumps(settings,indent=2)+'\n')
except Exception:
 shutil.copy2(backup/'web-config.json',web_config)
 if new.exists():shutil.rmtree(new)
 for folder in old:
  if (backup/folder.name).exists():shutil.move(str(backup/folder.name),str(folder))
 raise
finally:subprocess.run(['systemctl','start','jellyfin'],check=True)
print(json.dumps({'installed':'7.0.0.0','backup':str(backup)}))