#!/bin/bash
RED="`echo -e "\e[31m"`"
RESET="`echo -e "\e[0m"`"
msg() {
	echo $RED"$@"$RESET
}
if ! grep contrib /etc/apt/sources.list >>/dev/null; then
	msg --- You do not have contrib in your /etc/apt/sources.list
	msg --- Please add this before continuing.
	msg --- For more information, see:$RESET man 5 sources.list
	exit 1
fi
apt-get -uy install java-package gcc g++ locales-all

ARCH="`uname -m`"

if [ "$ARCH" == "x86_64" ]; then
	JAVAARCH="amd64"
else
	JAVAARCH="i586"
fi

has_jdk() {
	if [ -f "$1"'/jdk-1_5_0_09-linux-'$JAVAARCH'.bin' -a \
	    "`stat -c "%s" "$1"'/jdk-1_5_0_09-linux-'$JAVAARCH'.bin'`" -gt "10485760" ] 2>/dev/null; then
		return 0
	else
		return 1
	fi
}
has_correct_java() {
	jv="`java -version 2>&1`"
	echo $jv | grep '1.5' >/dev/null
	j="$?"
	echo $jv | grep "Java(TM) 2 Runtime Environment" >/dev/null
	j2="$?"
	echo $jv | grep "gij" >/dev/null
	j3="$?"
	if [ "$j" -eq 0 -a "$j2" -eq 0 -a "$j3" -eq 1 ]; then
		return 0
	else
		return 1
	fi
}
usr="nobody"
while ! has_correct_java; do
	while [ "$usr" == "nobody"  ]; do
		msg --- Please enter user to fakeroot java as:
		echo This script assumes the user can use the fakeroot command, owns his own '$HOME',
		echo and only has the .deb-package that this script creates there. You might want to check.
		read -p "Username: " usr
		usrhome="`egrep "^$usr:" /etc/passwd|cut -d: -f6`"
		if [ ! -d $usrhome ]; then
			echo "The user's home directory $usrhome is invalid";
			usr="nobody"
		fi
	done
	if has_jdk $usrhome; then
		msg --- File 'jdk-1_5_0_09-linux-'$JAVAARCH'.bin' already exists in $usrhome, 
		msg --- assuming java is correctly downloaded.
	else 
		msg --- Please enter a wget-able location of jdk-1_5_0_09-linux-"$JAVAARCH".bin
		msg --- See http://java.sun.com/products/archive/
		read -p "URL: " URL
		wget --progress=dot "$URL" -O "$usrhome"'/jdk-1_5_0_09-linux-'$JAVAARCH'.bin'
		chown $usr "$usrhome"'/jdk-1_5_0_09-linux-'$JAVAARCH'.bin'
	fi

	# fakeroot can't be done as root.
	
	if ! has_jdk $usrhome; then
		echo File nonexistant or less than 10MiB, it looks unlikely to be the correct file.
		continue
	fi
	if [ -f "$usrhome/"*".deb" ]; then
		msg --- A .deb-file already exists in the user\'s home, assuming java
		msg --- is correctly fakerooted.
	else
		su - $usr -c 'fakeroot make-jpkg jdk-1_5_0_09-linux-'$JAVAARCH'.bin'
	fi

	dpkg -i $usrhome/*.deb
	msg --- If you have more than one Java-version, plese pick 1.5 here.
	update-alternatives --config java

	hash -r

	if ! has_correct_java; then
		msg --- Java still doesn\'t exist, or reports it\'s version to be something
		msg --- other than 1.5.
		YES="retry"
		read -p "${RED}Retry, exit, or continue?$RESET [r/e/c]: " YES
		case "$YES" in
			r|R|re*|Re*) continue;;
			e*|E*|q*|Q*) exit 1;;
			c*|C*) break;;
			*) echo "Not a valid option. Retrying per default."
		esac
	else
		msg --- Installation successful.
	fi
done



msg --- Installing dependencies.
apt-get -uy install python-pyparsing w3c-markup-validator ant antlr python-numpy memcached subversion postgresql python-psycopg python-psycopg2 python-soappy python-libxml2 python-libxslt1 swig libglib2.0-dev python-dateutil python-adns libgmp3-dev python-lxml libservlet2.3-java zlib1g-dev python-setuptools

hash -r

easy_install phpserialize

sed 's/w3c-markup-validator/w3c-validator/' -i /etc/apache2/conf.d/w3c-markup-validator.conf

mkdir -p /data/src

download() {
	if [ -f "`basename $1`" ]; then
		echo "`basename $1`" allready there.
      	else
		echo "`pwd`/`basename $1` not found, downloading."
		wget --progress=dot "$1" -O "`basename $1`" || (rm -f "`basename $1`"; echo "Download fail"; exit 1)
	fi
}

if ! which python2.1 >/dev/null; then
	msg --- Instaling Python 2.1 for Jython-use.
	sleep 10
	cd /data/src
	download "http://www.python.org/ftp/python/2.1.3/Python-2.1.3.tgz"
	tar -xvzf "Python-2.1.3.tgz"
	cd Python-2.1.3
	./configure
	make
	make install
	#Remove python-2.1 as default python version
	rm /usr/local/bin/python
fi

`/usr/lib/Jython-2.1/jython -c exit`
if [ $? -eq 127 ]; then
	msg --- Installing Jython
	sleep 10
	cd /data/src
	download http://mesh.dl.sourceforge.net/sourceforge/jython/jython-21.class
	java -classpath . jython-21 -o /usr/lib/Jython-2.1 demo lib source
fi

if ! which proctorbatch >/dev/null; then
        msg --- Installing Proctor
        cd /data/src
	download http://www.doughellmann.com/downloads/Proctor-1.5.tar.gz
        tar xvf Proctor-1.5.tar.gz
        cd Proctor-1.5
        python setup.py install
fi
# {{{ Haskell
if [ "$ARCH" == "x86_64" ]; then
	GHCURI="http://haskell.org/ghc/dist/6.12.1/ghc-6.12.1-x86_64-unknown-linux-n.tar.bz2"
else
	GHCURI="http://www.haskell.org/ghc/dist/6.12.1/ghc-6.12.1-i386-unknown-linux-n.tar.bz2"
fi
if ! which ghc >/dev/null; then
	msg --- Installing GHC
        cd /data/src
	download $GHCURI
	tar xvf `basename $GHCURI`
	pushd ghc-*/
	./configure
	make install
	popd
	rm -rf ghc-*/
fi

hash -r

CABALURI="http://haskell.org/cabal/release/cabal-install-0.8.2/cabal-install-0.8.2.tar.gz"

if ! which cabal >/dev/null; then 
	cd /data/src
	download $CABALURI
	tar xvf "`basename $CABALURI`"
	pushd cabal-install*/
	sh bootstrap.sh --global
	popd
	rm -rf cabal-install*/
	hash -r
fi

cabal update

if ! ghc-pkg list | grep tagchup >/dev/null; then
	msg --- Installing tagchup with cabal-install
	cabal install tagchup --global
fi
# }}}

msg --- Installing/configuring PostgreSQL
YES=n
if [ -d '/data/postgresql' ]; then
	msg -- PostgreSQL appears to already be installed.
	read -p "${RED}Would you like to try to install it again?$RESET [y/n]: " YES
	case "$YES" in y*|Y*) YES=y;; *) YES=n;; esac
fi
if [ ! -d '/data/postgresql' -o "$YES" == "y" ]; then
	mkdir -p /data/postgresql
	chown postgres:postgres /data/postgresql
	su postgres -c'/usr/lib/postgresql/8.3/bin/initdb -D /data/postgresql/'

	PGCONF="/data/postgresql/postgresql.conf"
	CTLCONF="/etc/sysctl.conf"

	if grep max_connections $PGCONF >>/dev/null; then
		sed 's/#\?max_connections =.*/max_connections = 2000/' -i $PGCONF
	else
		echo "max_connections = 2000" >> $PGCONF
	fi
	if grep shared_buffers $PGCONF >>/dev/null; then
		sed 's/#\?shared_buffers =.*/shared_buffers = 256MB/' -i $PGCONF
	else
		echo "shared_buffers = 256MB" >> $PGCONF
	fi
	if grep work_mem $PGCONF >>/dev/null; then
		sed 's/#\?work_mem =.*/work_mem = 64MB/' -i $PGCONF
	else
		echo "work_mem = 64MB" >> $PGCONF
	fi
	if grep maintenance_work_mem $PGCONF >>/dev/null; then
		sed 's/#\?maintenance_work_mem =.*/maintenance_work_mem = 512MB/' -i $PGCONF
	else
		echo "maintenance_work_mem = 512MB" >> $PGCONF
	fi
	if grep checkpoint_segments $PGCONF >>/dev/null; then
		sed 's/#\?checkpoint_segments =.*/checkpoint_segments = 32/' -i $PGCONF
	else
		echo "checkpoint_segments = 32" >> $PGCONF
	fi
	if grep 'kernel.shmmax' $CTLCONF >>/dev/null; then
		sed 's/#\?kernel\.shmmax.*/kernel\.shmmax=549199872/' -i $CTLCONF
	else
		echo "kernel.shmmax=549199872" >>$CTLCONF
	fi
	if grep 'kernel.sem' $CTLCONF >>/dev/null; then
		sed 's/#\?kernel\.sem.*/kernel.sem=250    32000    32    512/' -i $CTLCONF
	else
		echo "kernel.sem=250    32000    32    512" >> $CTLCONF
	fi
	/sbin/sysctl -p
	nohup su postgres -c '/usr/lib/postgresql/8.3/bin/pg_ctl -D /data/postgresql -l /var/log/postgresql/pg.log start' >/dev/null 2>&1 &
	sleep 5
	if ! ps aux|grep postgres >> /dev/null; then
		msg --- PostgreSQL wouldn\'t start for some reason. Inspecting log-file and bailing..
		tail -50 /var/log/postgresql/pg.log
		exit 1
	fi
fi

msg --- Installing eGovMon.
mkdir -p /data/svn/eGovMon/
mkdir -p /var/log/egovmon
mkdir -p /var/lock/subsys

cd /data/svn/eGovMon
svn co http://svn.egovmon.no/svn/eGovMon/trunk
cd trunk
python setup.py install

msg --- Editing configuration-file.
sed 's@>/data/svn/eGovMon<@>/data/svn/eGovMon/trunk<@' -i /etc/egovmon/initial.rdf
sleep 10
vim /etc/egovmon/initial.rdf
msg --- Done.