#!/bin/bash

USER="$1"
SOURCEPATH="/var/lib/nextcloud/$1/files/$2"
DESTINATIONPATH="/var/lib/nextcloud/$1/files/$3"

echo "STARTING..."

SCAN="FALSE"
IFS=$'\n'
for f in `find "$SOURCEPATH" -iname *.PNG -o -iname *.JPG -o -iname *.CR2 -o -iname *.CR3 -o -iname *.MP4 -o -iname *.MOV`; do
  echo "PROCESSING: $f"
  DATE=`exiftool "$f" | grep -m 1 "Create Date"`
  if ! echo "$DATE" | grep "Create Date" >/dev/null
  then
    echo "SKIP: no 'Create Date' in exif ($f)"
    continue
  fi
  SCAN="TRUE"
  YEAR=`echo $DATE | cut -d':' -f2 | cut -c 2-`
  MONTH=`echo $DATE | cut -d':' -f3`
  DAY=`echo $DATE | cut -d':' -f4 | cut -d' ' -f1`
  HOUR=`echo $DATE | cut -d':' -f4 | cut -d' ' -f2`
  MINUTE=`echo $DATE | cut -d':' -f5`
  SECOND=`echo $DATE | cut -d':' -f6`
  HASH=`sha256sum "$f" | xxd -r -p | base64 | head -c 3 | tr '/+' '_-'`
  EXT=`echo "${f##*.}" | tr '[:upper:]' '[:lower:]'`
  if [[ "$EXT" = "cr2" ]] ||  [[ "$EXT" = "cr3" ]]
  then
    RAW="raw/"
  else
    RAW=""
  fi
  FILE="$DESTINATIONPATH/$YEAR-$MONTH/$RAW$YEAR$MONTH$DAY"-"$HOUR$MINUTE$SECOND"_"$HASH"."$EXT"
  echo "DESTINATION: $FILE"
  mkdir -p "$(dirname "$FILE")"
  mv -v "$f" "$FILE"
done

if [ "$SCAN" == "TRUE" ]; then
  echo "SCANNING..."
  # find "$SOURCEPATH/"* -type d -empty -delete >> /var/echo/nc-picsort.echo # nextcloud app bug when deleting folders
  chown -R www-data:www-data "$DESTINATIONPATH"
  chmod -R 777 "$DESTINATIONPATH"
  sudo -u www-data php /opt/nextcloud/occ files:scan $USER
  sudo -u www-data php /opt/nextcloud/occ preview:generate-all $USER
fi

echo "FINISH."