#!/bin/bash
# Mount SD card by UUID and start dashcam transfer.
# Called by udev rule 99-dashcam-trigger.rules via systemd-run.
# systemd-run is used (not direct udev exec) because udev context
# lacks mount/umount permissions on Fedora with SELinux enforcing.
UUID=/dev/disk/by-uuid/00D3-7715
logger -t dashcam-transfer Trigger: SD card detected
for ((i=0; i<60; i++)); do
    if [ -e "$UUID" ]; then
        logger -t dashcam-transfer Trigger: device ready after ${i}s
        break
    fi
    sleep 1
done
while mountpoint -q /mnt/sdcard 2>/dev/null; do
    umount /mnt/sdcard 2>/dev/null || break
done
mount "$UUID" /mnt/sdcard -o uid=1000,gid=1000,fmask=0000,dmask=0000 2>/dev/null
if [ $? -eq 0 ]; then
    logger -t dashcam-transfer Trigger: mounted, starting transfer
    systemctl start dashcam-transfer
else
    logger -t dashcam-transfer TRIGGER ERROR: mount failed
fi