#!/bin/sh

# Where to do all the stuff, should be changed to needs
directory=$HOME/Buildsystem

# The other options usually don't need to be changed.
  srcDir=$directory/src
 instDir=$directory/inst
buildDir=$directory/build

     makeKrita=on
    makeKarbon=off
     makeWords=off
    makeTables=off
     makeStage=off
makeKThesaurus=off
      makeKexi=off
      makePlan=off
      makeFlow=off
 makeBraindump=off

numCores=$((`cat /proc/cpuinfo | grep processor | wc -l`))
# Number of cores² works best almost always.
numThreads=$(($numCores*$numCores))

packageManager=
if command -v apt-get &>/dev/null ; then
  packageManager=aptget
elif command -v zypper &>/dev/null ; then
  packageManager=zypper
else
  echo ":: This script has currently only support for dependency installation on openSUSE and relatives of Debian. You'll need to install the dependencies yourself."
fi

project=calligra
gitRepo=git://anongit.kde.org/$project
CMakeParameters="-DBUILD_words=$makeWords -DBUILD_tables=$makeTables -DBUILD_stage=$makeStage  -DBUILD_kthesaurus=$makeKThesaurus -DBUILD_kexi=$makeKexi  -DBUILD_plan=$makePlan -DBUILD_flow=$makeFlow -DBUILD_braindump=$makeBraindump -DBUILD_krita=$makeKrita -DBUILD_karbon=$makeKarbon -DBUILD_koconverter=off -DCMAKE_INSTALL_PREFIX=$instDir -DBUILD_cstester=OFF -DBUILD_koabstraction=OFF -DBUILD_f-office=OFF -DCMAKE_BUILD_TYPE=RelWithDebInfo"

_install_dependencies_zypper()
{
  sudo zypper install git
  sudo zypper si -d koffice2 calligra
}

_install_dependencies_aptget()
{
  sudo apt-get install git
  sudo apt-get build-dep koffice2 calligra
}

_configure()
{
  echo ":: Configurating"
  cd $buildDir/$project
  cmake $srcDir/$project $CMakeParameters
}

_setup()
{
  mkdir -p $srcDir/$project
  mkdir -p $buildDir/$project
  mkdir -p $instDir/bin
  cd $srcDir
  echo ":: Starting cloning machine... The source code will be cloned from $gitRepo."
  git clone $gitRepo $project

  if [ -z "$packageManager" ] ; then
    echo ":: Skipping installation of building dependencies, unknown package manager. You will need to do this step manually."
  else
    echo ":: Installing packages required for building, you may be asked for your password. (Maybe even twice.)"
    _install_dependencies_$packageManager
  fi

  _configure

  echo ":: Add newly created paths to ~/.bashrc"
  echo "export KDEDIRS=\$KDEDIRS:$instDir" >> ~/.bashrc
  echo "export PATH=\$PATH:$instDir/bin" >> ~/.bashrc
}

_build()
{
  echo ":: Building"
  cd $buildDir/$project
  make install -j$numThreads

  kbuildsycoca4
}

_update()
{
  cd $srcDir/$project
  git pull origin master

  cmake $buildDir/$project
}

echo ":: This script will help you to configure, compile and install the latest non-stable version of $project."
echo ":: Make sure to remove the stable version of $project before using this script."
if [ -z "$1" ] ; then
  echo ":: If you run this script for the first time run:"
  echo ":: $0 setup"
  echo ":: It will setup the required build-system in $directory. You want it elsewhere? Then edit this script."
elif [ "$1" = "setup" ] ; then
  echo ":: Setting up the buildsystem for $project in $directory."
  _setup
  echo ":: Setup finished! Now run"
  echo ":: $0 build"
  echo ":: to configurate the code. (This will be neccesary to build the stuff.)"
elif [ "$1" = "build" ] ; then
  _build
  echo ":: Now you can simply run the newest versions of the applications by typing the name of it in the konsole. It will also show up in your KMenu, awesome!"
  echo ":: Whenever you need an newer build, type"
  echo ":: $0 update"
elif [ "$1" = "update" ] ; then
  _update
  _build
fi