#!/usr/bin/env bash

set -x
set -e

BUILD_TYPE=${BUILD_TYPE:-cmake}
LIBZMQ=${PWD}/libzmq-build
CPPZMQ=${PWD}/cppzmq-build
# Travis machines have 2 cores
JOBS=2

if [ "$DRAFT" = "1" ] ; then
    # if we enable drafts during the libzmq cmake build, the pkgconfig
    # data should set ZMQ_BUILD_DRAFT_API in dependent builds, but this
    # does not appear to work (TODO)
    export ZEROMQ_CMAKE_FLAGS="-DENABLE_DRAFTS=ON"
fi

libzmq_install() {
    curl -L https://github.com/zeromq/libzmq/archive/v${ZMQ_VERSION}.tar.gz \
      >zeromq.tar.gz
    tar -xvzf zeromq.tar.gz
    if [ "$BUILD_TYPE" = "cmake" ] ; then
        cmake -Hlibzmq-${ZMQ_VERSION} -B${LIBZMQ} -DWITH_PERF_TOOL=OFF \
                                                  -DZMQ_BUILD_TESTS=OFF \
                                                  -DCMAKE_BUILD_TYPE=Release \
                                                  ${ZEROMQ_CMAKE_FLAGS}
        cmake --build ${LIBZMQ} -- -j${JOBS}
    elif [ "$BUILD_TYPE" = "pkgconfig" ] ; then
        pushd .
        cd libzmq-${ZMQ_VERSION}
        ./autogen.sh &&
        ./configure &&
        make VERBOSE=1 -j${JOBS}
        sudo make install
        popd
    fi
}


# build zeromq first
cppzmq_build() {
    pushd .
    if [ "$BUILD_TYPE" = "cmake" ] ; then
        export ZeroMQ_DIR=${LIBZMQ}
    fi
    cmake -H. -B${CPPZMQ} ${ZEROMQ_CMAKE_FLAGS}
    cmake --build ${CPPZMQ} -- -j${JOBS}
    if [ "$BUILD_TYPE" = "pkgconfig" ] ; then
        cd ${CPPZMQ}
        sudo make install
    fi
    popd
}

cppzmq_tests() {
    pushd .
    cd ${CPPZMQ}
    ctest -V -j${JOBS}
    popd
}

cppzmq_demo() {
    pushd .
    if [ "$BUILD_TYPE" = "cmake" ] ; then
        export ZeroMQ_DIR=${LIBZMQ}
        export cppzmq_DIR=${CPPZMQ}
    fi
    cmake -Hdemo -Bdemo/build
    cmake --build demo/build
    cd demo/build
    ctest -V
    popd
}

if [ "${ZMQ_VERSION}" != "" ] ; then libzmq_install ; fi

cppzmq_build
cppzmq_tests
cppzmq_demo