#!/bin/sh

PACKAGE=unity8
UNITY_BUILD_DIR=$PWD/../unity_build/build
SETUP=false
CLEAN=false
NUM_JOBS=$(( `grep -c ^processor /proc/cpuinfo` + 1 ))

usage() {
    echo "usage: build [OPTIONS] [BUILD_TYPE]\n" >&2
    echo "Script to build the shell. If BUILD_TYPE is not specified, it defaults to \"debug\".\n" >&2
    echo "OPTIONS:" >&2
    echo " -s, --setup Setup the build environment and branch Unity" >&2
    echo " -c, --clean Clean the build tree before building" >&2
    echo >&2
    exit 1
}

ARGS=`getopt -n$0 -u -a --longoptions="setup,clean,help" -o "sch" -- "$@"`
[ $? -ne 0 ] && usage
eval set -- "$ARGS"

while [ $# -gt 0 ]
do
    case "$1" in
       -s|--setup)   SETUP=true;;
       -c|--clean)   CLEAN=true;;
       -h|--help)    usage;;
       --)           shift;break;;
    esac
    shift
done

[ $# -gt 1 ] && usage

BUILD_TYPE="debug"
[ $# -eq 1 ] && BUILD_TYPE="$1"

install_dependencies() {
    . /etc/lsb-release
    [ -f /etc/apt/sources.list.d/phablet-team-desktop-deps-${DISTRIB_CODENAME}.list ] || sudo add-apt-repository ppa:phablet-team/desktop-deps || exit 1
    [ -f /etc/apt/sources.list.d/canonical-qt5-edgers-qt5-proper-${DISTRIB_CODENAME}.list ] || sudo add-apt-repository ppa:canonical-qt5-edgers/qt5-proper || exit 2;
    [ -f /etc/apt/sources.list.d/ubuntu-sdk-team-ppa-${DISTRIB_CODENAME}.list ] || sudo add-apt-repository ppa:ubuntu-sdk-team/ppa || exit 3
    sudo apt-get update || exit 4
    echo "Installing Unity 8 dependencies.."
    sudo apt-get install qtdeclarative5-ubuntu-ui-toolkit-plugin qtdeclarative5-dee-plugin indicators-client indicators-client-plugin-* qtbase5-dev qtbase5-private-dev qtdeclarative5-dev qtdeclarative5-dev-tools qtdeclarative5-test-plugin libdee-qt5-dev libpulse-dev qtdeclarative5-xmllistmodel-plugin unity-lens-mock demo-assets ubuntu-mobile-icons libusermetricsoutput1-dev || exit 5
}

if [ -f "/usr/bin/ninja" ] ; then
  GENERATOR="-G Ninja"
  BUILD_COMMAND="ninja -j$NUM_JOBS"
else
  GENERATOR=
  BUILD_COMMAND="make -j$NUM_JOBS"
fi

if $SETUP; then
    install_dependencies
    ./build_unity --setup || exit 1$?
    ./build_unity || exit 1$?
else
    if $CLEAN; then rm -rf builddir; fi
    mkdir -p builddir
    cd builddir
    PKG_CONFIG_PATH=$UNITY_BUILD_DIR/lib/pkgconfig/:$PKG_CONFIG_PATH cmake -DCMAKE_BUILD_TYPE=$BUILD_TYPE .. ${GENERATOR} || exit 6
    ${BUILD_COMMAND} || exit 7
fi