[Unit]
Description=ButtonTask BLE Sensor Collector
After=bluetooth.service dbus.service
Wants=bluetooth.service
# Never give up restarting: the collector exits on purpose whenever
# bluetoothd restarts or hangs, to re-register GATT/advertising from scratch.
StartLimitIntervalSec=0

[Service]
# Type=notify + watchdog: the collector sends READY=1 after GATT start and
# WATCHDOG=1 every loop tick; a stuck event loop gets killed and restarted.
Type=notify
NotifyAccess=main
WatchdogSec=60
TimeoutStartSec=90
User=buttontask
Group=buttontask
SupplementaryGroups=bluetooth
WorkingDirectory=/opt/buttontask/current/collector
Environment=BUTTONTASK_ROOT=/opt/buttontask
Environment=PYTHONUNBUFFERED=1
ExecStart=/usr/bin/python3 /opt/buttontask/current/collector/main.py
Restart=always
RestartSec=3

[Install]
WantedBy=multi-user.target