#!/bin/bash

rcdir="${1}"
THEMENAME="gv4alw"
THEMEURL="http://andrwe.org/lib/exe/fetch.php/scripting/roundcube/${THEMENAME}/${THEMENAME}.tar.gz"
PLUGINURL="http://andrwe.org/lib/exe/fetch.php/scripting/roundcube/${THEMENAME}/${THEMENAME}-plugins.tar.gz"
MODPLUGINS='managesieve sieverules'
VERBOSE=0
opt=""
skip=0

function usage()
{
  echo "This script installs the roundcube theme ${THEMENAME} and its plugins.
Just start it using the absolute roundcube install path as argument:
$0 /path/to/roundcube-root/
e.g.:
$0 /var/www/roundcube/
"
}

[ $# -ne 1 ] && usage && exit 1
[ ! -d ${rcdir} ] && echo "${rcdir} doesn't exist or isn't a directory." && exit 1
[[ ! ${rcdir} =~ ^/ ]] && echo "Relative path isn't supported. Use absolute path." && usage && exit 1

[ ${VERBOSE} -ne 0 ] && opt="v"
echo "Retrieving packages ..."
wget -O /tmp/${THEMENAME}.tar.gz "${THEMEURL}" || exit 1
wget -O /tmp/${THEMENAME}-plugins.tar.gz "${PLUGINURL}" || exit 1
echo "Changing directory to ${rcdir}/skins/"
cd "${rcdir}/skins/"
if [ -d ${THEMENAME} ]
then
  echo "Checking version ..."
  locver="$(<"${THEMENAME}"/VERSION)"
  tarver="$(tar xfO${opt} "/tmp/${THEMENAME}.tar.gz" "${THEMENAME}/VERSION")"
  if [ "${locver}" == "${tarver}" ]
  then
    skip=1
    echo "Theme is up-to-date. Skipping."
  fi
fi
if [ ${skip} -eq 0 ]
then
  echo "Installing ${THEMENAME} ..."
  rm -rf${opt} "${THEMENAME}"
  tar xfz${opt} /tmp/${THEMENAME}.tar.gz || exit 1
  echo "... theme installed."
fi
echo "Preparing plugin installation ..."
mkdir -p /tmp/${THEMENAME}-plugins
cd /tmp/${THEMENAME}-plugins
tar xfz${opt} /tmp/${THEMENAME}-plugins.tar.gz
echo "... preparation done."
echo "Installing plugins ..."
for plugindir in *
do
  plugin="$(basename "${plugindir}")"
  if [ -e "${rcdir}/plugins/${plugin}" ]
  then
    echo -n "${plugin}: "
    locver="$(<"${rcdir}/plugins/${plugin}/skins/${THEMENAME}/VERSION")"
    tarver="$(<"${plugindir}/skins/${THEMENAME}/VERSION")"
    if [ "${locver}" != "${tarver}" ]
    then
      rm -rf${opt} "${rcdir}/plugins/${plugin}/skins/${THEMENAME}"
      cp -r${opt} "${plugindir}/skins/" "${rcdir}/plugins/${plugin}/"
      echo "updated"
    else
      echo "up-to-date"
    fi
  fi
done
echo "... installation done."
echo "Now installed plugins would be modified to fully support this themes capabilities.
For each modification you can choose whether it should be done, default choice is no.
All done modifications will be shown."
read -p "Should the plugins be modified? (y/N) " modify
if [ "${modify}" == "y" -o "${modify}" == "Y" ]
then
  for plugin in ${MODPLUGINS}
  do
    [ ! -d "${rcdir}/plugins/${plugin}" ] && continue
    case ${plugin} in
      "managesieve")
        echo "managesieve: public \$task = 'settings' => public \$task = '?(?!login|logout).*'"
        read -p "Modify? (y/N) " modplugin
        if [ "${modplugin}" == "y" -o "${modplugin}" == "Y" ]
        then
          sed -i 's/public \$task = \(.\)settings|mail|addressbook.;$/public $task = \1?(?!login|logout).*\1;/g' "${rcdir}/plugins/${plugin}/${plugin}.php"
          echo "managesieve modified"
        fi
        ;;
      "sieverules")
        echo "sieverules: public \$task = 'settings' => public \$task = '?(?!login|logout).*'"
        read -p "Modify? (y/N) " modplugin
        if [ "${modplugin}" == "y" -o "${modplugin}" == "Y" ]
        then
          sed -i 's/public \$task = \(.\)settings.;$/public $task = \1?(?!login|logout).*\1;/g' "${rcdir}/plugins/${plugin}/${plugin}.php"
          echo "sieverules modified"
        fi
        ;;
    esac
  done
fi
echo "Cleanup ..."
rm -rf${opt} "/tmp/${THEMENAME}"-plugins{,.tar.gz} "/tmp/${THEMENAME}.tar.gz"
echo "... cleanup done."
echo "Script finished."