#!/usr/bin/env bash

set -eu
set -o pipefail

# defaults
export ENABLE_COVERAGE=${ENABLE_COVERAGE:-"Off"}
export BUILD_TYPE=${BUILD_TYPE:-"Release"}
export NODE=${NODE:-4}

export CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

export DEPS_DIR="$(pwd)/deps"
export PATH=${DEPS_DIR}/bin:${PATH}
mkdir -p ${DEPS_DIR}

export CLANG_VERSION="${CLANG_VERSION:-4.0.0}"
export CCACHE_VERSION=3.3.1
export CMAKE_VERSION=3.7.2

source ${CURRENT_DIR}/travis_helper.sh

# ensure we start inside the root directory (two level up)
cd ${CURRENT_DIR}/../../

if [[ ! $(which wget) ]]; then
    echo "echo wget must be installed";
    exit 1;
fi;

SYSTEM_NAME=$(uname -s)
if [[ "${SYSTEM_NAME}" == "Darwin" ]]; then
    OS_NAME="osx"
elif [[ "${SYSTEM_NAME}" == "Linux" ]]; then
    OS_NAME="linux"
fi

# FIXME This should be replaced by proper calls to mason but we currently have a chicken-egg problem
# since we rely on osrm-backend to ship mason for us. Once we merged this into osrm-backend this will not be needed.
CMAKE_URL="https://s3.amazonaws.com/mason-binaries/${OS_NAME}-x86_64/cmake/${CMAKE_VERSION}.tar.gz"
echo "Downloading cmake from ${CMAKE_URL} ..."
wget --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C ${DEPS_DIR} || exit 1
CCACHE_URL="https://s3.amazonaws.com/mason-binaries/${OS_NAME}-x86_64/ccache/${CCACHE_VERSION}.tar.gz"
echo "Downloading ccache from ${CCACHE_URL} ..."
wget --quiet -O - ${CCACHE_URL} | tar --strip-components=1 -xz -C ${DEPS_DIR} || exit 1
# install clang for linux but use the xcode version on OSX
if [[ "${OS_NAME}" != "osx" ]]; then
    CLANG_URL="https://s3.amazonaws.com/mason-binaries/${OS_NAME}-x86_64/clang++/${CLANG_VERSION}.tar.gz"
    echo "Downloading clang from ${CLANG_URL} ..."
    wget --quiet -O - ${CLANG_URL} | tar --strip-components=1 -xz -C ${DEPS_DIR} || exit 1
    export CCOMPILER='clang'
    export CXXCOMPILER='clang++'
    export CC='clang'
    export CXX='clang++'
fi

if [[ "${OS_NAME}" == "osx" ]]; then
    if [[ -f /etc/sysctl.conf ]] && [[ $(grep shmmax /etc/sysctl.conf) ]]; then
        echo "Note: found shmmax setting in /etc/sysctl.conf, not modifying"
    else
        echo "WARNING: Did not find shmmax setting in /etc/sysctl.conf, adding now (requires sudo and restarting)..."
        sudo sysctl -w kern.sysv.shmmax=4294967296
        sudo sysctl -w kern.sysv.shmall=1048576
        sudo sysctl -w kern.sysv.shmseg=128
    fi
fi


echo "Now build node-osrm and dependencies"
export VERBOSE=1
if [[ "${ENABLE_COVERAGE}" == "On" ]]; then
    mapbox_time "make" make -j4 coverage
else
    mkdir -p build
    pushd build
    cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DENABLE_NODE_BINDINGS=On -DENABLE_MASON=On
    mapbox_time "make" make -j4
    popd
fi

## run tests, with backtrace support
#if [[ "${OS_NAME}" == "linux" ]]; then
#    ulimit -c unlimited -S
#    RESULT=0
#    mapbox_time "make-test" make tests || RESULT=$?
#    for i in $(find ./ -maxdepth 1 -name 'core*' -print);
#      do gdb $(which node) $i -ex "thread apply all bt" -ex "set pagination 0" -batch;
#    done;
#    if [[ ${RESULT} != 0 ]]; then exit $RESULT; fi
#else
#    # todo: coredump support on OS X
#    RESULT=0
#    mapbox_time "make-test" make tests || RESULT=$?
#    if [[ ${RESULT} != 0 ]]; then exit $RESULT; fi
#fi


set +eu
set +o pipefail