#!/bin/bash -eu

LOG_FILE=/tmp/archive-teslacam-clips.log
ARCHIVE_MOUNT=/mnt/archive

function log () {
  echo "$( date )" >> "$LOG_FILE"
  echo "$1" >> "$LOG_FILE"
}

function move_clips_to_archive () {
  log "Moving clips to archive..."
  local move_count=0
  for file_name in "$CAM_MOUNT"/TeslaCam/saved*; do
    [ -e "$file_name" ] || continue
    log "Moving $file_name ..."
    mv -- "$file_name" "$ARCHIVE_MOUNT" >> "$LOG_FILE" 2>&1 || echo ""
    log "Moved $file_name."
    move_count=$((move_count + 1))

  done
  log "Moved $move_count file(s)."
  if [ -r "/root/.teslaCamPushoverCredentials" ] && [ $move_count > 0 ]
  then
    log "Sending Pushover message for copied files."
    /root/bin/send-pushover $move_count
  fi
  log "Finished moving clips to archive."
}

function disconnect_usb_drives_from_host () {
  log "Disconnecting usb from host..."
  modprobe -r g_mass_storage
  log "Disconnected usb from host."
}

function ensure_archive_is_mounted () {
  log "Ensuring cam archive is mounted..."
  ensure_mountpoint_is_mounted_with_retry "$ARCHIVE_MOUNT"
  log "Ensured cam archive is mounted."
}

log "Starting..."

ensure_archive_is_mounted

disconnect_usb_drives_from_host

ensure_cam_file_is_mounted

fix_errors_in_cam_file

move_clips_to_archive

unmount_cam_file

connect_usb_drives_to_host