#!/bin/sh

if [ -z "$1" ]; then
  echo "Usage: $0 <config_file.env>"
  exit 1
fi

if [ -f "$1" ]; then
  . "$1"
else
  echo "Error: Config file $1 not found!"
  exit 1
fi

if [ ! -d "$SOURCE" ]; then
  curl -u "$AUTH" -H "Priority: urgent" -H "Tags: no_entry" \
    -d "Source directory $SOURCE not found" "$NTFY_URL"
  exit 1
fi

echo "$(date '+%Y/%m/%d %H:%M:%S') Cloning $SERVICE" >> "$LOG_FILE"

rclone sync "$SOURCE" "$REMOTE" --include "$FILTER" --max-age "$MAX_AGE" \
  --bwlimit "$BW_LIMIT" --delete-before --delete-excluded --checksum -q 2>> "$LOG_FILE"

CHECK_OUT=$(rclone check "$SOURCE" "$REMOTE" --include "$FILTER" --max-age "$MAX_AGE" --one-way 2>&1)

echo "$CHECK_OUT" >> "$LOG_FILE"

DIFFS=$(echo "$CHECK_OUT" | grep -oE '[0-9]+ differences found' | awk '{print $1}')
MATCH=$(echo "$CHECK_OUT" | grep -oE '[0-9]+ matching files' | awk '{print $1}')

DIFFS=${DIFFS:-0}
MATCH=${MATCH:-0}

STATUS="WARNING"
TAGS="warning"
PRIORITY="high"
MSG_PREFIX="Check failed"

if [ "$DIFFS" = "0" ] && ! echo "$CHECK_OUT" | grep -iq "error"; then
  STATUS="SUCCESS"
  TAGS="white_check_mark"
  PRIORITY="default"
  MSG_PREFIX="Integrity verified"
fi

MESSAGE="$MSG_PREFIX
Matching: $MATCH
Differences: $DIFFS
Storage: $REMOTE"

curl -s -u "$AUTH" \
  -H "Title: $SERVICE Backup: $STATUS" \
  -H "Priority: $PRIORITY" \
  -H "Tags: $TAGS" \
  -d "$MESSAGE" \
  "$NTFY_URL" > /dev/null