#! /bin/bash

QTDIR=${QTDIR:-/usr/lib/qt}
VERBOSE=${VERBOSE:-0}
CMAKE_OPTIONS="
    -DCMAKE_COLOR_MAKEFILE=1 \
    -DWANT_DEBUG=1 \
    -DWANT_JACK=1 \
    -DWANT_ALSA=1 \
    -DWANT_LIBARCHIVE=1 \
    -DWANT_RUBBERBAND=1 \
    -DWANT_OSS=1 \
    -DWANT_PORTAUDIO=1 \
    -DWANT_PORTMIDI=1 \
    -DWANT_LASH=0 \
    -DWANT_LRDF=1 \
    -DWANT_COREAUDIO=1 \
    -DWANT_COREMIDI=1
"
MAKE_OPTS="-j 3"
H2FLAGS="-V0xf"
BUILD_DIR=./build


PLATFORM_STR=`uname`

[ -f cmake_opts ] && source cmake_opts

function cmake_init() {
    echo -e " * cmake init\n"
    if [ ! -d $BUILD_DIR ]; then
        mkdir $BUILD_DIR || exit 1
    fi
    cd $BUILD_DIR || exit 1
    if [ ! -e CMakeCache.txt ]; then
        cmake ${CMAKE_OPTIONS} .. || exit 1
    fi
    cd .. || exit 1
}

function cmake_clean() {
    echo -e " * clean cmake files\n" && rm $BUILD_DIR/CMakeCache.txt 2>/dev/null
}

function cmake_rm() {
    echo -e " * rm cmake files\n" && rm -fr $BUILD_DIR 2>/dev/null
}

function cmake_make() {
    cmake_init
    echo -e " * cmake make\n" && cd $BUILD_DIR || exit 1
    if [ $VERBOSE -eq 1 ]; then
        VERBOSE=1 make $MAKE_OPTS || exit 1
    else
        make $MAKE_OPTS || exit 1
    fi
	
	if [[ "$PLATFORM_STR" == 'Linux' ]]; then
		cp src/gui/hydrogen ..
	elif [[ "$PLATFORM_STR" == *BSD ]]; then
		cp src/gui/hydrogen ..
	elif [[ "$PLATFORM_STR" == 'Darwin' ]]; then
		cp -rf src/gui/hydrogen.app ..
	fi

    cd ..
}

function cmake_graph() {
    cmake_init
    echo -e " * cmake graphviz\n" && cd $BUILD_DIR && cmake --graphviz=cmake.dot .. && dot -Tpng -o cmake_dep.png cmake.dot && cd .. || exit 1
}

function cmake_doc() {
    cmake_init
    echo -e " * cmake doc\n" && cd $BUILD_DIR && make doc && cd .. || exit 1
}

function cmake_help() {
    cmake_init
    echo -e " * cmake help\n" && cd $BUILD_DIR && cmake .. -L && cd .. || exit 1
}

function cmake_exec() {
    cmake_init
    echo -e " * execute hydrogen\n" && ./hydrogen $H2FLAGS || exit 1
}

function cmake_tests() {
    cmake_init
    echo -e " * execute tests\n" && $BUILD_DIR/src/tests/tests || exit 1
}

function cmake_pkg() {
    cmake_init
    echo -e " * execute hydrogen\n" && cd $BUILD_DIR && make package_source && cd .. || exit 1
}

if [ $# -eq 0 ]; then
    echo "usage $0 [cmds list]"
    echo "cmds may be"
    echo "   r[m]     => all built, temp and cache files"
    echo "   c[lean]  => remove cache files"
    echo "   m[ake]   => launch the build process"
    echo "   d[oc]    => build html documentation"
    echo "   g[raph]  => draw a dependecies graph"
    echo "   h[elp]   => show the build options"
    echo "   x|exec   => execute hydrogen"
    echo "   t[ests]  => execute tests"
    echo "   p[kg]    => build source package"
    echo "ex: $0 r m pkg x"
    exit 1
fi

for arg in $@; do
    case $arg in
        c|clean)
            cmd="cmake_clean";;
        r|rm)
            cmd="cmake_rm";;
        m|make)
            cmd="cmake_make";;
        g|graph)
            cmd="cmake_graph";;
        d|doc)
            cmd="cmake_doc";;
        h|help)
            cmd="cmake_help";;
        x|exec)
            cmd="cmake_exec";;
        t|test)
            cmd="cmake_tests";;
        p|pkg)
            cmd="cmake_pkg";;
        *)
         echo "unknown command ${arg}" && exit 1
     esac
     $cmd
done
