#!/bin/sh

die() {
	echo "$*" >&2
	echo "Aborting..." >&2
	exit 1
}

get_dir() {
	while [ 1 -eq 1 ]; do
		printf "[$1] >>> "
		read DIR

		case "$DIR" in
			/*) return;;
			?*) echo "The path must start with a \`/'";;
			*) DIR="$1"
			   echo OK, using default value.
			   return;;
		esac
	done
}

# Create the directory if it doesn't exist. Exit if it can't be created.
endir() {
	if [ ! -d "$1" ]; then
		mkdir -p "$1" || die "Can't create $1 directory!"
	fi
}

confirm_or_die() {
	while [ 1 -eq 1 ]; do
		printf "[yes/no] >>> "
		read CONFIRM
		case "$CONFIRM" in
			[yY]*) return;;
			[nN]*) die "OK.";;
		esac
	done
}

cd `dirname $0`
DISPLAY=
echo Testing the filer...
# Note: must use full path due to bug in xterm
# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=342782
"`pwd`/ROX-Filer/AppRun" -v
if [ $? -ne 0 ]; then
	die "Filer doesn't work! Giving up..."
fi

umask 022

REPLY=5

case $REPLY in
	1) APPDIR=/usr/local/apps
	   BINDIR=/usr/local/bin
	   SHAREDIR=/usr/local/share
	   #CHOICESDIR=${SHAREDIR}/Choices
	   XDGDATADIR=/usr/local/share
	   CHOICESDIR=/etc/xdg
	   MANDIR=/usr/local/man	# (not under share!)
	   ;;
	2) APPDIR=${HOME}/Apps
	   BINDIR=${HOME}/bin
	   if [ -n "$XDG_DATA_HOME" ]; then
	        SHAREDIR=${XDG_DATA_HOME}
	   else
	   	SHAREDIR=${HOME}/.local/share
	   fi
	   if [ -n "$XDG_CONFIG_HOME" ]; then
	        CHOICESDIR=${XDG_CONFIG_HOME}
	   else
	   	CHOICESDIR=${HOME}/.config
	   fi
	   
	   MANDIR=${HOME}/man
	   if [ ! -d "$MANDIR" ]; then
	     MANDIR=
	   fi
	   ;;
	3) APPDIR=/usr/apps
	   BINDIR=/usr/bin
	   SHAREDIR=/usr/share
	   CHOICESDIR=/etc/xdg
	   MANDIR=${SHAREDIR}/man
	   ;;
	4) echo "Where should the ROX-Filer application go?"
	   get_dir "/usr/local/apps"
	   APPDIR="$DIR"
	   echo
	   echo "Where should the launcher script go?"
	   get_dir "/usr/local/bin"
	   BINDIR="$DIR"
	   echo
	   echo "Where should the shared resources (eg, MIME data) go?"
	   get_dir "/usr/local/share"
	   SHAREDIR="$DIR"
	   echo
	   echo "Where should the default run actions go?"
	   get_dir "/etc/xdg"
	   CHOICESDIR="$DIR"
	   echo
	   echo "Where should the man pages go?"
	   get_dir "/usr/local/man"
	   MANDIR="$DIR"
	   ;;
	5) DIR=__META_PREFIX__
       APPDIR="$DIR/apps"
	   BINDIR="$DIR/bin"
	   SHAREDIR="$DIR/share"
	   CHOICESDIR=/etc/xdg
	   MANDIR="$DIR/man"	# (not under share!)
	   ;;

	*) die "Invalid choice!";;
esac

MIMEDIR=${SHAREDIR}/mime

MIMEINFO="${MIMEDIR}/packages/rox.xml"

cat << EOF
The application directory will be:
	$APPDIR/ROX-Filer

The launcher script will be:
	$BINDIR/rox

Run actions will be in:
	$CHOICESDIR

MIME rules will be:
	$MIMEINFO

EOF
if [ ! -f rox.1 ]; then
	echo '*** The ROX-Filer manpage (rox.1) is missing.'
	echo '*** It can be created from Manual.xml by running'
	echo "*** 'make' in the ROX-Filer/src/Docs directory."
	echo '*** The daily CVS snapshots have it ready-built'
	echo
	MANDIR=""
fi

if [ -n "$MANDIR" ]; then
	echo "The manual pages will be:"
	echo "	$MANDIR/man1/rox.1"
	echo "	$MANDIR/man1/ROX-Filer.1"
else
	echo "The manual page will not be installed."
fi

endir "$SHAREDIR"

if [ -n "$MANDIR" ]; then
	echo "Installing manpage..."
	endir "$MANDIR"
	endir "$MANDIR/man1"
	cp rox.1 "$MANDIR/man1/rox.1" || die "Can't install manpage!"
	rm -f "$MANDIR/man1/ROX-Filer.1" || die "Can't install manpage!"
	ln -s "$MANDIR/man1/rox.1" "$MANDIR/man1/ROX-Filer.1" || die "Can't install manpage!"
fi

echo "Installing run actions (existing actions will not be replaced)..."
endir "$CHOICESDIR/rox.sourceforge.net/MIME-types"
cd Choices || die "Choices missing"
for file in MIME-types/*; do
  if [ -f "$file" ]; then
    dest="$CHOICESDIR/rox.sourceforge.net/$file"
    if [ ! -f "$dest" ]; then
      if [ ! -d "$dest" ]; then
        echo Install $file as $dest
        cp "$file" "$dest"
      fi
    fi
  fi
done
cd ..

endir "$MIMEDIR"
endir "$MIMEDIR/packages"
cp rox.xml "$MIMEINFO" || die "Failed to create $MIMEINFO"
update-mime-database "$MIMEDIR" || die "update-mime-database failed
Make sure you have installed the shared MIME database from:
http://www.freedesktop.org/wiki/Software_2fshared_2dmime_2dinfo"

echo "Installing application..."
endir "$APPDIR"

(cd ROX-Filer/src && make clean) > /dev/null 2>&1
if [ -d "$APPDIR/ROX-Filer" ]; then
	echo Replacing old version...
	# Move it away first.  If $APPDIR is on an nfs mount then deleting
	# the binary may fail.
	old="$APPDIR/.ROX-Filer.old"
	if [ -d "$old" ]; then
	    echo "Cleaning up old copy from previous install."
	    rm -rf "$old"
	fi
	mv "$APPDIR/ROX-Filer" "$old"
	rm -rf "$old" || echo "Could not delete old copy.
This is usually because it is still executing.  When it exits you may like 
to delete $old"
fi
cp -r ROX-Filer "$APPDIR"

echo "Installing launcher script..."
endir "$BINDIR"

cat > "$BINDIR/rox" << EOF
#!/bin/sh

exec $APPDIR/ROX-Filer/AppRun "\$@"
EOF
[ $? -eq 0 ] || die "Failed to install 'rox' script"
chmod a+x "$BINDIR/rox"

cat << EOF

Script installed. You can run the filer by typing 'rox'
Make sure that $BINDIR is in your PATH though - if it isn't then
you must use
	\$ $BINDIR/rox
to run it instead.
EOF