#!/bin/bash

backupdirectory=/datas/P1/BOOKMARKS
bookmarksexportdir=/datas/git/bookmarksexport

export_bookmark()
{
  echo "export ${browser}"
  browser=$1
  lastfile=$(find ${backupdirectory} -name "2[0-9]*_${browser}_bookmarks.html" -print |sort -n | tail -n 1)
  lastfilechecksum=$(sha512sum "${lastfile}" |cut -d' ' -f 1)
  python3 ${bookmarksexportdir}/bookmark_exporter.py --browser "${browser}" --formats html --output /tmp --prefix bookmark
  lastexport=$(find /tmp -name "bookmark_2[0-9_]*" -print 2>/dev/null |sort -n |tail -n 1)
  lastexportchecksum=$(sha512sum "${lastexport}" |cut -d' ' -f 1)
  echo "compare ${lastexportchecksum} == ${lastfilechecksum}"
  if [ "${lastexportchecksum}" == "${lastfilechecksum}" ]
  then
    echo "${browser} bookmarks not modified"
  else
    echo mv -i "${lastexport}" ${backupdirectory}/"$(date +%Y%m%d%H%M%S)_${browser}_bookmarks.html"
  fi
}

for browser in Firefox Chromium Chrome
do
  export_bookmark ${browser}
  sleep 3
done