#!/bin/sh
#
# A script to perform R14.0.0 XDG compliance updates.
# This script should be needed to run only once.

# TODO: Do we need to trap whether the user is running this script while
#       in a Trinity session? Most files can be updated "live" but some can't,
#       such as kdeglobals.

# Allow forced execution of this script regardless of the kdeglobals setting.
if [ "$1" = "force" ]; then
  FORCE="true"
fi

# TODO: As the user should not be logged into a Trinity session when running
#       this script, or an administrator might run this script remotely, the
#       $TDEHOME variable probably is not set or knowable from within this script.
#       We presume $HOME/.trinity, but should provide a way to pass a command line
#       parameter to change that location.
PROFILE_DIR="$HOME/.trinity"

# TODO: How to handle environments where files/directories are locked
#       administratively and can't be updated. The nominal validation checks
#       in this script provide some notice but no direct remedy.

Wait_For_Response () {
unset response
# -r Backslash does not act as an escape character.
# -p Display "PROMPT" without a trailing newline, before attempting to read any input.
while true; do
  read -r -p "$1 (y/n): " yn
  case $yn in
    [Yy]* ) response=y; break;;
    [Nn]* ) response=n; break;;
    * ) echo "Please answer yes (y/Y) or no (n/N).";;
  esac
done
}

Proceed_From_Response () {
if [ "$response" = "n" -o "$response" = "N" ]; then
  echo "Exiting."
  echo
  exit 0
else
  echo "Continuing."
  echo
fi
}

Display_Message () {
if [ "$DISPLAY" != "" ]; then
  echo -e "$MESSAGE" | xmessage -center -file - > /dev/null 2>/dev/null
else
  echo -e "$MESSAGE"
fi
}

# Do not update when $TDEHOME is a sym link to another profile directory. Trinity should have
# full reign within its own profile directory (limited to administrative locking), but the error
# check is a conservative approach.
TDEHOME_LINK="`readlink \"$PROFILE_DIR\"`"
if [ "$TDEHOME_LINK" != "" ]; then
  # Force this entry to ensure the updates eventually are performed should the user copy the
  # original kdeglobals file into a new Trinity profile.
  $TDEDIR/bin/kwriteconfig --file kdeglobals --group "R14 XDG Updates" --key Updated --type bool 'false'
  # Are we in X? Display an X dialog explaining breakage.
  if [ "$DISPLAY" != "" ]; then
    echo "[r14-xdg-update] Warning! The profile directory $PROFILE_DIR is a" 1>&2
    echo "[r14-xdg-update]    sym link to $TDEHOME_LINK!" 1>&2
    echo "[r14-xdg-update]    R14 updates will not be performed because Trinity needs its own separate profile directory." 1>&2
    echo "[r14-xdg-update]    Without R14 updates some Trinity apps will fail to function correctly." 1>&2
  fi
  MESSAGE="Oops! The profile directory $PROFILE_DIR is a sym link to $TDEHOME_LINK.\n\nTrinity R14 XDG compliance updates will not be performed because\nTrinity needs its own separate profile directory.\n\nWithout R14 XDG compliance updates, some Trinity apps will fail to\nfunction properly.\n\nFailures include the following:\n\n* Many left-side icon lists will not populate,\n  such as the Panel and Konqueror configuration dialogs.\n\n* User-defined keyboard shortcuts fail (khotkeysrc).\n  System defined shortcuts remain functional.\n\n* User-defined app preferences fail (profilerc).\n\n* Konqueror navigation/sidebar panel won't open.\n\n* User-defined konqueror service menus, kicker customization,\n  konqueror sidebar, Recent Documents list fail.\n\nPossible remedies:\n\n* If necessary contact your system administrator.\n\n* Break the sym link to allow Trinity to create a fresh Trinity profile.\n\n* Use the migratekde3 script to migrate a KDE3 profile to Trinity."
  # Are we in X? Display an X dialog explaining breakage.
  if [ "$DISPLAY" != "" ]; then
    echo -e "$MESSAGE" | xmessage -center -file - -buttons Continue,Quit > /dev/null 2>/dev/null
    if [ "$?" = "102" ]; then
      # User select the Quit button: quit this script.
      unset PROFILE_DIR
      unset TDEHOME_LINK
      exit 1
    fi
  else
    echo
    echo -e "$MESSAGE"
    echo
    Wait_For_Response "Break the sym link now and migrate the $TDEHOME_LINK profile to a new Trinity profile?"
    Proceed_From_Response
    unlink "$HOME/.trinity" 2>/dev/null
    if [ "`readlink \"$HOME/.trinity\"`" != "" ]; then
      echo "Unable to break the sym link. Check your file and directory privileges. Quitting."
      unset PROFILE_DIR
      unset TDEHOME_LINK
      exit 1
    else
      sh $TDEDIR/bin/migratekde3
      echo
    fi
  fi
fi
R14_UPDATED="`$TDEDIR/bin/kreadconfig --file kdeglobals --group "R14 XDG Updates" --key Updated`"
if [ "$R14_UPDATED" != "true" ] || [ "$FORCE" = "true" ]; then
  if [ "$DISPLAY" != "" ]; then
    echo -n "[r14-xdg-update] "
  fi
  echo -e "Performing a profile update for Trinity release R14 XDG compliance."
  if [ "$DISPLAY" != "" ]; then
    echo -n "[r14-xdg-update] "
  fi
  echo -e "Updating *.desktop files."
  find "$PROFILE_DIR" -name "*.desktop" -exec sed -i 's|X-KDE-|X-TDE-|g' {} \; 2>/dev/null
  find "$PROFILE_DIR" -name "*.desktop" -exec sed -i 's|KDE\;|TDE\;|g' {} \; 2>/dev/null
  if [ "$DISPLAY" != "" ]; then
    echo -n "[r14-xdg-update] "
  fi
  echo -e "Updating references of $TDEDIR/share/applications/kde to share/applications/tde."
  # Exclude KMail mail files --- we don't want to touch those files.
  find "$PROFILE_DIR" -path "$PROFILE_DIR/share/apps/kmail/mail" -prune -o -type f -exec sed -i "s|$TDEDIR/share/applications/kde|$TDEDIR/share/applications/tde|g" {} \; 2>/dev/null
  # Preserve keyboard shortcuts.
  if [ "$DISPLAY" != "" ]; then
    echo -n "[r14-xdg-update] "
  fi
  echo -e "Updating user-defined keyboard shortcuts in khotkeysrc."
  sed -i -e 's|CommandURL=kde-|CommandURL=tde-|g' -e 's|K Menu - kde-|K Menu - tde-|g' "$PROFILE_DIR/share/config/khotkeysrc" 2>/dev/null
  # Preserve app preferences.
  if [ "$DISPLAY" != "" ]; then
    echo -n "[r14-xdg-update] "
  fi
  echo -e "Updating user-defined app prefernces in profilerc."
  sed -i -e 's|Application=kde-|Application=tde-|g' "$PROFILE_DIR/share/config/profilerc" 2>/dev/null
  # Preserve kicker/panel icons.
  if [ "$DISPLAY" != "" ]; then
    echo -n "[r14-xdg-update] "
  fi
  echo -e "Updating kicker/panel customizations in kickerrc."
  sed -i -e 's|StorageId\[\$e\]=kde-|StorageId\[\$e\]=tde-|g' "$PROFILE_DIR/share/config/kickerrc" 2>/dev/null
  # Update sym link files in $HOME/.trinity/Autostart.
  ( cd "$PROFILE_DIR/Autostart"
    if [ "$DISPLAY" != "" ]; then
      echo -n "[r14-xdg-update] "
    fi
    echo "Updating Autostart files."
    for i in `find . -type l`; do
      LINK="`readlink $i`"
      LINK_PATH="`dirname $LINK`"
      LINK_NAME="`basename $LINK`"
      if [ -n "`echo $LINK_PATH | grep \"$TDEDIR/share/applications/kde\"`" ]; then
        NEW_LINK_PATH="`echo $LINK_PATH | sed 's|/share/applications/kde|/share/applications/tde|'`"
      fi
      unlink $i
      ln -sf $NEW_LINK_PATH/$LINK_NAME $LINK_NAME
      if [ "$?" != "0" ]; then
        if [ "$DISPLAY" != "" ]; then
          echo -n "[r14-xdg-update] "
        fi
        echo "There was an error with creating a new sym link for $LINK." 1>&2
      fi
    done
  )
  # Perform some nominal update validations.
  # This test includes *.desktop files in the profile Autostart directory.
  R14_UPDATE_TEST1="`find \"$PROFILE_DIR\" -name \"*.desktop\" -exec grep \"X-KDE\" {} \; 2>/dev/null`"
  if [ "$R14_UPDATE_TEST1" != "" ]; then
    MESSAGE="Some Trinity profile R14 XDG compliance updates failed.\n\n(Check *.desktop files for 'X-KDE'.)"
    Display_Message "$MESSAGE"
  fi
  R14_UPDATE_TEST2="`find \"$PROFILE_DIR\" -name \"*.desktop\" -exec grep -q \"KDE;\" {} \; 2>/dev/null`"
  if [ "$R14_UPDATE_TEST2" != "" ]; then
    MESSAGE="Some Trinity profile R14 XDG compliance updates failed.\n\n(Check *.desktop files for 'KDE;'.)"
    Display_Message "$MESSAGE"
  fi
  R14_UPDATE_TEST3="`find \"$PROFILE_DIR\" \"$PROFILE_DIR/share/apps/kmail/mail\" -prune -o -type f -exec grep -q \"$TDEDIR/share/applications/kde\" {} \; 2>/dev/null`"
  if [ "$R14_UPDATE_TEST3" != "" ]; then
    MESSAGE="Some Trinity profile R14 XDG compliance updates failed.\n\n(Check files for '$TDEDIR/share/applications/kde'.)"
    Display_Message "$MESSAGE"
  fi
  R14_UPDATE_TEST4="`grep -q \"CommandURL=kde-\" \"$PROFILE_DIR/share/config/khotkeysrc\" 2>/dev/null`"
  if [ "$R14_UPDATE_TEST4" != "" ]; then
    MESSAGE="Some Trinity profile R14 XDG compliance updates failed.\n\n(Check khotkeysrc for 'CommandURL=kde-'.)"
    Display_Message "$MESSAGE"
  fi
  R14_UPDATE_TEST5="`grep -q \"K Menu - kde-\" \"$PROFILE_DIR/share/config/khotkeysrc\" 2>/dev/null`"
  if [ "$R14_UPDATE_TEST5" != "" ]; then
    MESSAGE="Some Trinity profile R14 XDG compliance updates failed.\n\n(Check khotkeysrc for 'K Menu - kde-'.)"
    Display_Message "$MESSAGE"
  fi
  R14_UPDATE_TEST6="`grep -q \"Application=kde-\" \"$PROFILE_DIR/share/config/profilerc\" 2>/dev/null`"
  if [ "$R14_UPDATE_TEST6" != "" ]; then
    MESSAGE="Some Trinity profile R14 XDG compliance updates failed.\n\n(Check profilerc for 'Application=kde-'.)"
    Display_Message "$MESSAGE"
  fi
  R14_UPDATE_TEST7="`grep -q \"StorageId\[\$e\]=kde-\" \"$PROFILE_DIR/share/config/kickerrc\" 2>/dev/null`"
  if [ "$R14_UPDATE_TEST7" != "" ]; then
    MESSAGE="Some Trinity profile R14 XDG compliance updates failed.\n\n(Check kickerrc for 'StorageId[$e]=kde-'.)"
    Display_Message "$MESSAGE"
  fi
  if [ "$R14_UPDATE_TEST1" = "" ] && [ "$R14_UPDATE_TEST2" = "" ] && [ "$R14_UPDATE_TEST3" = "" ] \
    && [ "$R14_UPDATE_TEST4" = "" ] && [ "$R14_UPDATE_TEST5" = "" ] && [ "$R14_UPDATE_TEST6" = "" ] \
    && [ "$R14_UPDATE_TEST7" = "" ]; then
    $TDEDIR/bin/kwriteconfig --file kdeglobals --group "R14 XDG Updates" --key Updated --type bool 'true'
  else
    $TDEDIR/bin/kwriteconfig --file kdeglobals --group "R14 XDG Updates" --key Updated --type bool 'false'
  fi
fi
unset PROFILE_DIR
unset R14_UPDATED
unset TDEHOME_LINK
unset R14_UPDATE_TEST1
unset R14_UPDATE_TEST2
unset R14_UPDATE_TEST3
unset R14_UPDATE_TEST4
unset R14_UPDATE_TEST5
unset R14_UPDATE_TEST6
exit 0