#!/bin/bash

cd "$(dirname "$(readlink -f "$0")")"

start_time=$(date +%s)
trap 'echo "$(print_execution_time $?)"' EXIT

function print_execution_time {
    end_time=$(date +%s)
    execution_time=$((end_time - start_time))
    execution_time_formatted=$(date -u -d @$execution_time +"%T")
    if [ $1 -eq 0 ]; then
        SET_COLOR="\e[32m "
    else
        SET_COLOR="\e[31m error at $(pwd) \n\e[1m"
    fi
    mydir_name="$(d=$(pwd); echo ${d##*/})"
    echo -e "${SET_COLOR} [$1] 执行时间：$execution_time_formatted ( $mydir_name )\e[0m "
}

current_project_path=$(pwd)
current_project_name=${current_project_path##*/}
echo "current_project_path = ${current_project_path}"

echo "====================================================build shell start [ ${current_project_name} ]===================================================="

pd_complier_type=${TARGET_PRODUCT}

if [ -z "${TARGET_PRODUCT}" ]; then
    PROJECT_ROOT=$(while [ ! -f "build/envsetup.sh" ]; do
        [ "$(pwd)" = "/" ] && exit 1
        cd ..
    done
    pwd)

    if [ -n "${PROJECT_ROOT}" ]; then
        source "${PROJECT_ROOT}/build/envsetup.sh" && lunch LAST
        if [ $? -eq 255 ]; then
            exit 0
        fi
        pd_complier_type=${TARGET_PRODUCT}
    fi
fi

echo -e " ready to build\e[34;1m ${pd_complier_type} \e[0m target [\e[34;1m ${current_project_name}\e[0m ] ......"

unset LD_LIBRARY_PATH

# 如果外部传了 TOOLCHAIN，就优先 source
if [[ -n "${TOOLCHAIN}" ]] && [[ -f "${TOOLCHAIN}" ]]; then
    echo -e "\e[32m source TOOLCHAIN=${TOOLCHAIN} \e[0m"
    source "${TOOLCHAIN}"
fi

base_folder="$(echo ${PROJECT_ROOT} | tr -s '/')"

if [[ ${current_project_path} =~ "${base_folder}" ]] && [ -n "${base_folder}" ]; then
    echo ""
else
    echo "base_folder           = ${base_folder}"
    echo "current_project_path  = ${current_project_path}"
    echo -e "\e[31m Error: 环境配置不匹配，在当前项目下请重新配置:\n\e[35m\t source build/envsetup.sh \e[0m"
    exit -2
fi

build_path=$(echo "${current_project_path}" | sed "s|${base_folder}|${base_folder}/out/build/${pd_complier_type}/|g")
echo "build_path     = ${build_path}"

# 清理逻辑
if [[ "$1" == "clean" ]] || [[ "$1" == "-c" ]]; then
    rm -rf build_arm
    echo " clean done."
    echo "====================================================build shell end [lib${current_project_name}]===================================================="
    exit 0
fi

if [[ "$1" == "all" ]]; then
    rm -rf build_arm
    echo " full rebuild mode."
fi

# 结果目录
RESULT_DIR="$(pwd)/result_dir"

RESULT_SSL="${RESULT_DIR}/../../openssl-OpenSSL_1_1_1g/ssl_result"
RESULT_MQTT_C="${RESULT_DIR}/paho.mqtt.c_result"
RESULT_MQTT_CPP="${RESULT_DIR}/paho.mqtt.cpp_result"

mkdir -p "${RESULT_DIR}"

# 动态选择 CXX
if [[ -z "${CXX}" ]]; then
    if [[ "${pd_complier_type}" =~ imx* ]]; then
        export CXX="aarch64-poky-linux-g++"
    else
        export CXX="x86_64-linux-gnu-g++"
    fi
fi

# 把 CXX 拆成“编译器本体 + 额外参数”
RAW_CXX="${CXX}"
REAL_CXX="$(printf '%s\n' "${RAW_CXX}" | awk '{print $1}')"
EXTRA_CXXFLAGS="$(printf '%s\n' "${RAW_CXX}" | cut -d' ' -f2-)"

MERGED_CXXFLAGS="${EXTRA_CXXFLAGS} ${CXXFLAGS} -std=gnu++11"

echo "----------------cmake start----------------"
echo "RAW_CXX         = ${RAW_CXX}"
echo "REAL_CXX        = ${REAL_CXX}"
echo "EXTRA_CXXFLAGS  = ${EXTRA_CXXFLAGS}"
echo "MERGED_CXXFLAGS = ${MERGED_CXXFLAGS}"
echo "SYSROOT         = ${SYSROOT}"
echo "RESULT_MQTT_C   = ${RESULT_MQTT_C}"
echo "RESULT_MQTT_CPP = ${RESULT_MQTT_CPP}"
echo "RESULT_SSL      = ${RESULT_SSL}"

# rm -rf build_arm
mkdir -p build_arm
cd build_arm || exit 1

cmake .. \
    -DCMAKE_CXX_COMPILER="${REAL_CXX}" \
    -DCMAKE_INSTALL_PREFIX="${RESULT_MQTT_CPP}" \
    -DPAHO_MQTT_C_LIBRARIES="${RESULT_MQTT_C}/lib/libpaho-mqtt3as.so" \
    -DPAHO_MQTT_C_INCLUDE_DIRS="${RESULT_MQTT_C}/include" \
    -DOPENSSL_SSL_LIBRARY="${RESULT_SSL}/lib/libssl.so" \
    -DOPENSSL_INCLUDE_DIR="${RESULT_SSL}/include" \
    -DOPENSSL_CRYPTO_LIBRARY="${RESULT_SSL}/lib/libcrypto.so" \
    -DPAHO_WITH_SSL=TRUE \
    -DCMAKE_CXX_FLAGS="${MERGED_CXXFLAGS}"

make -j4 || exit $?
make install || exit $?

echo "build dir = $(pwd)"

mkdir -p "${PROJECT_ROOT}/include/"
mkdir -p "${PROJECT_ROOT}/out/${TARGET_PRODUCT}/lib/lib_so/"
mkdir -p "${PROJECT_ROOT}/board_dir/lib/"

target_dir="${RESULT_MQTT_CPP}/lib/cmake"

if [[ -d "${target_dir}" && "$(basename "${target_dir}")" == "cmake" ]]; then
    rm -rf "${target_dir}"
    echo "已删除目录: ${target_dir}"
else
    echo "未删除，目标不存在或目录名不是 cmake: ${target_dir}"
    exit 1
fi

cp -ravf "${RESULT_MQTT_CPP}/include/mqtt/"* "${PROJECT_ROOT}/include/mqtt/" || exit $?
cp -ravf "${RESULT_MQTT_CPP}/lib/"* "${PROJECT_ROOT}/out/${TARGET_PRODUCT}/lib/lib_so/" || exit $?
cp -ravf "${RESULT_MQTT_CPP}/lib/"* "${PROJECT_ROOT}/board_dir/lib/" || exit $?

cd - >/dev/null || exit 1

echo "===============================build shell end [lib${current_project_name}] [${pd_complier_type}]===================================================="