#!/bin/bash

# Copyright 2018 Patrick Pedersen <ctx.xda@gmail.com>

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Custom IBM Notes 9.0.1 patcher and installer for Ubuntu 16.04+ systems

# Information on usage and execution is available in the README that comes with this file
# This installation script comes WITHOUT any IBM software and must be installed by the user himself

# Package dependencies
DEPENDENCIES=\
(																																			    \
	"gdebi" 																															  	\
	"libjpeg62"																												 		  	\
	"libgconf2-4" 																												  	\
	"libatk-adaptor:i386" 																								  	\
	"libgail-common:i386" 																								  	\
	"libbonobo2-0" "libbonoboui2-0" 																					\
	"libgnomeui-0" "libgnome-desktop-*" "gnome-themes-extra:i386" 						\
	"gtk2-engines-pixbuf:i386" "ibus-gtk:i386" "libcanberra-gtk-module:i386"	\
)

function usage() {
	echo
	echo "Usage: Ubuntu-IBM-Notes-9.0.1.sh [-h | --help] package"
	echo
	echo "Options:"
	echo
	echo -e "-h --help\tDisplay usage (this)"
	echo -e "package\t\tPath to the IBM Notes Debian package"
	echo
}

# Test args

if [ -z "$1" ]; then
	echo
	echo "No package specified!"
	usage
	exit -1
fi

if [[ "$1" == "-h" || "$1" == "--help" ]]; then
	usage
	exit 1
fi

if [ -z "$(dpkg-deb -I "$1" | grep -oP "Package: ibm-notes")" ]; then
	echo "The provided package does not appear to be a IBM notes installation package!"
	exit -1
fi

# Check script is being executed with root rights
if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi

echo "Installing necessary packages before installation"

set -f
apt install "${DEPENDENCIES[@]}"
set +f

echo "Getting necessary unsupported/unofficial dependencies"

tmp_install_directory="$(mktemp -d)"

if ! apt-get -qq install libgnome-desktop-2-17; then
	wget http://security.ubuntu.com/ubuntu/pool/universe/g/gnome-desktop/libgnome-desktop-2-17_2.32.1-2ubuntu1_amd64.deb -P "$tmp_install_directory"/
	gdebi "$tmp_install_directory"/libgnome-desktop-2-17_2.32.1-2ubuntu1_amd64.deb

	if apt-get -qq install libgnome-desktop-2-17; then
		echo "libgnome-desktop-2-17 : successfully installed"
	else
		echo "libgnome-desktop-2-17 : installation unsuccessful"
		rm -rf "$tmp_install_directory"
		exit 1
	fi
fi

if ! apt-get -qq install libxp6; then
	wget http://launchpadlibrarian.net/183708483/libxp6_1.0.2-2_amd64.deb -P "$tmp_install_directory"/
	gdebi "$tmp_install_directory"/libxp6_1.0.2-2_amd64.deb

	if apt-get -qq install libxp6; then
		echo "libxp6 : successfully installed"
	else
		echo "libxp6 : installation unsuccessful"
		rm -rf "$tmp_install_directory"
		exit 1
	fi
fi

echo "Patching the ibm-notes-9.0.1 package"
echo "This may take a while depending on your hardware"

# Give user time to read echo
sleep 5

dpkg -X $1 "$tmp_install_directory"/deb
dpkg -e $1 "$tmp_install_directory"/deb/DEBIAN
sed -i 's/ gdb,//g' "$tmp_install_directory"/deb/DEBIAN/control
sed -i 's/libcupsys2/libcups2/g' "$tmp_install_directory"/deb/DEBIAN/control
sed -i 's/ libgnome-desktop-2 | libgnome-desktop-2-7 | libgnome-desktop-2-11 | libgnome-desktop-2-17 | libgnome-desktop-3-2,//g' "$tmp_install_directory"/deb/DEBIAN/control
sed -i 's/ libxp6,//g' "$tmp_install_directory"/deb/DEBIAN/control
sed -i 's/libpng12-0/libpng16-16/g' "$tmp_install_directory"/deb/DEBIAN/control

dpkg -b "$tmp_install_directory"/deb $1

echo "Done patching"

rm -rf "$tmp_install_directory"

echo "Installing IBM notes 9.0.1"

# Give user time to read echo
sleep 5

gdebi $1

cd ../

if [ -f /opt/ibm/notes/notes2 ]; then
	echo "Successfully installed IBM Notes 9.0.1"
else
	echo "Failed to install IBM Notes 9.0.1!"
fi