#!/usr/bin/env bash
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

##############################################################
# This script is used to compile Apache Doris(incubating)
# Usage:
#    sh build.sh        build both Backend and Frontend.
#    sh build.sh -clean clean previous output and build.
#
# You need to make sure all thirdparty libraries have been
# compiled and installed correctly.
##############################################################

set -eo pipefail

ROOT=`dirname "$0"`
ROOT=`cd "$ROOT"; pwd`

export DORIS_HOME=${ROOT}

. ${DORIS_HOME}/env.sh

# build thirdparty libraries if necessary
if [[ ! -f ${DORIS_THIRDPARTY}/installed/lib/librdkafka.a ]]; then
    echo "Thirdparty libraries need to be build ..."
    ${DORIS_THIRDPARTY}/build-thirdparty.sh
fi

PARALLEL=$[$(nproc)/4+1]

# Check args
usage() {
  echo "
Usage: $0 <options>
  Optional options:
     --be       build Backend
     --fe       build Frontend
     --clean    clean and build target
     
  Eg.
    $0                      build Backend and Frontend without clean
    $0 --be                 build Backend without clean
    $0 --fe --clean         clean and build Frontend
    $0 --fe --be --clean    clean and build both Frontend and Backend
  "
  exit 1
}

OPTS=$(getopt \
  -n $0 \
  -o '' \
  -l 'be' \
  -l 'fe' \
  -l 'clean' \
  -- "$@")

if [ $? != 0 ] ; then
    usage
fi

eval set -- "$OPTS"

BUILD_BE=
BUILD_FE=
CLEAN=
RUN_UT=
if [ $# == 1 ] ; then
    # defuat
    BUILD_BE=1
    BUILD_FE=1
    CLEAN=0
    RUN_UT=0
else
    BUILD_BE=0
    BUILD_FE=0
    CLEAN=0
    RUN_UT=0
    while true; do 
        case "$1" in
            --be) BUILD_BE=1 ; shift ;;
            --fe) BUILD_FE=1 ; shift ;;
            --clean) CLEAN=1 ; shift ;;
            --ut) RUN_UT=1   ; shift ;;
            --) shift ;  break ;;
            *) ehco "Internal error" ; exit 1 ;;
        esac
    done
fi

if [ ${CLEAN} -eq 1 -a ${BUILD_BE} -eq 0 -a ${BUILD_FE} -eq 0 ]; then
    echo "--clean can not be specified without --fe or --be"
    exit 1
fi

echo "Get params:
    BUILD_BE -- $BUILD_BE
    BUILD_FE -- $BUILD_FE
    CLEAN    -- $CLEAN
    RUN_UT   -- $RUN_UT
"

# Clean and build generated code
echo "Build generated code"
cd ${DORIS_HOME}/gensrc
if [ ${CLEAN} -eq 1 ]; then
   make clean
fi 
make
cd ${DORIS_HOME}

# Clean and build Backend
if [ ${BUILD_BE} -eq 1 ] ; then
    echo "Build Backend"
    if [ ${CLEAN} -eq 1 ]; then
        rm ${DORIS_HOME}/be/build/ -rf
        rm ${DORIS_HOME}/be/output/ -rf
    fi
    mkdir -p ${DORIS_HOME}/be/build/
    cd ${DORIS_HOME}/be/build/
    cmake ../
    make -j${PARALLEL}
    make install
    cd ${DORIS_HOME}
fi

# Build docs, should be built before Frontend
echo "Build docs"
cd ${DORIS_HOME}/docs
if [ ${CLEAN} -eq 1 ]; then
    make clean
fi
make
cd ${DORIS_HOME}

# Clean and build Frontend
if [ ${BUILD_FE} -eq 1 ] ; then
    echo "Build Frontend"
    cd ${DORIS_HOME}/fe
    if [ ${CLEAN} -eq 1 ]; then
        ${MVN} clean
    fi
    ${MVN} package -DskipTests
    cd ${DORIS_HOME}
fi

# Clean and prepare output dir
DORIS_OUTPUT=${DORIS_HOME}/output/
mkdir -p ${DORIS_OUTPUT}

#Copy Frontend and Backend
if [ ${BUILD_FE} -eq 1 ]; then
    install -d ${DORIS_OUTPUT}/fe/bin ${DORIS_OUTPUT}/fe/conf \
               ${DORIS_OUTPUT}/fe/webroot/ ${DORIS_OUTPUT}/fe/lib/

    cp -r -p ${DORIS_HOME}/bin/*_fe.sh ${DORIS_OUTPUT}/fe/bin/
    cp -r -p ${DORIS_HOME}/conf/fe.conf ${DORIS_OUTPUT}/fe/conf/
    cp -r -p ${DORIS_HOME}/fe/target/lib/* ${DORIS_OUTPUT}/fe/lib/
    cp -r -p ${DORIS_HOME}/fe/target/palo-fe.jar ${DORIS_OUTPUT}/fe/lib/
    cp -r -p ${DORIS_HOME}/docs/build/help-resource.zip ${DORIS_OUTPUT}/fe/lib/
    cp -r -p ${DORIS_HOME}/webroot/* ${DORIS_OUTPUT}/fe/webroot/
fi
if [ ${BUILD_BE} -eq 1 ]; then
    install -d ${DORIS_OUTPUT}/be/bin ${DORIS_OUTPUT}/be/conf \
               ${DORIS_OUTPUT}/be/lib/

    cp -r -p ${DORIS_HOME}/be/output/bin/* ${DORIS_OUTPUT}/be/bin/ 
    cp -r -p ${DORIS_HOME}/be/output/conf/* ${DORIS_OUTPUT}/be/conf/
    cp -r -p ${DORIS_HOME}/be/output/lib/* ${DORIS_OUTPUT}/be/lib/
fi

echo "***************************************"
echo "Successfully build Doris"
echo "***************************************"

if [[ ! -z ${DORIS_POST_BUILD_HOOK} ]]; then
    eval ${DORIS_POST_BUILD_HOOK}
fi

exit 0