#######################################################################
##- @Copyright (C) Huawei Technologies Co., Ltd. 2019. All rights reserved.
# - clibcni licensed under the Mulan PSL v2.
# - You can use this software according to the terms and conditions of the Mulan PSL v2.
# - You may obtain a copy of Mulan PSL v2 at:
# -     http://license.coscl.org.cn/MulanPSL2
# - THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
# - IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
# - PURPOSE.
# - See the Mulan PSL v2 for more details.
##- @Description: generate cetification
##- @Author: wujing
##- @Create: 2019-04-25
#######################################################################
#!/bin/bash
#
# This script is the implementation portal for the iSulad project Personal level build static check.
# set -euxo pipefail

CURRENT_PATH=$(pwd)
CI_TOOLS_PROJECT="/root/workspace/ci_tools"
export LOCAL_INCLUDE="/root/workspace/ci_tools/rule/include"
export EULER_CODE_PATH="$(realpath ${CURRENT_PATH}/..)"
LINT_RULE_FILE="/root/workspace/ci_tools/rule/pclint"
PCLINT_TOOL="/usr/local/bin/flint"
CODESTYLE_TOOL="/usr/local/bin/cpplint.py"
CMETRICS_TOOL="/root/cmetrics/cmetrics.py"

function usage() {
    echo -e "\
=================================================================================================\033[1;37m
             _____ ______ ___   ______ ____ ______   ______ __  __ ______ ______ __ __
            / ___//_  __//   | /_  __//  _// ____/  / ____// / / // ____// ____// //_/
            \__ \  / /  / /| |  / /   / / / /      / /    / /_/ // __/  / /    / ,<
           ___/ / / /  / ___ | / /  _/ / / /___   / /___ / __  // /___ / /___ / /| |
          /____/ /_/  /_/  |_|/_/  /___/ \____/   \____//_/ /_//_____/ \____//_/ |_| \033[0m
================================================================================================="
  echo "Usage: $0 [options]"
  echo "Personal level build static check script for iSulad project"
  echo "Options:"
  echo "    -u, --update-ci-tools    Update ci tools project and replace header files with latest ones"
  echo "    -p, --pclint             Perform pclint code static check"
  echo "    -s, --codestyle          Perform codestyle(codedex) code static check"
  echo "    -c, --detail-cmetrics    Detail code statistics analysis"
  echo "    -m, --simple-cmetrics    Simple code statistics analysis"
  echo "    -a, --all                Perform all checks and statistics"
  echo "    -i, --incremental-check  Perform incremental check"
  echo "    -f, --quick-format       Incremental format code by astyle/clang-format"
  echo "    -k, --style-check        Check code style by astyle"
  echo "    --cpp-check              Check code style by Cppcheck"
  echo "    -h, --help               Script help information"
}

function err() {
  echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $@" >&2
}

function update_ci_tools() {
  cd ${CI_TOOLS_PROJECT}
  git fetch origin
  git diff > static_check_backup.patch
  git checkout .
  git rebase origin/next_docker
  cd ${CURRENT_PATH}
  for file in $(find . -regextype posix-extended -regex ".*\.(h)")
  do
      cp $file $LOCAL_INCLUDE/docker/iSulad
  done
}

PCLINT_MASKED_RULE="679|826|726|322|571|522"

function pclint_check() {
    echo -e "\
=================================================================================================\033[1;35m
            ____   ______ __     ____ _   __ ______   ______ __  __ ______ ______ __ __
           / __ \ / ____// /    /  _// | / //_  __/  / ____// / / // ____// ____// //_/
          / /_/ // /    / /     / / /  |/ /  / /    / /    / /_/ // __/  / /    / ,<
         / ____// /___ / /___ _/ / / /|  /  / /    / /___ / __  // /___ / /___ / /| |
        /_/     \____//_____//___//_/ |_/  /_/     \____//_/ /_//_____/ \____//_/ |_| \033[0m
================================================================================================="
    local start_time=$(date +%s)
    local files
    if [[ ${1} == "all" ]]; then
        files=$(find ./src -regextype posix-extended -regex ".*\.(c)")
    else
        files=$(git diff --name-only HEAD | grep -E "*.c$")
    fi
    files=(${files// / })
    local total=${#files[@]}
    local failure_num=0
    local index=1
    for file in ${files[@]}
    do
        ${PCLINT_TOOL} -i ${LINT_RULE_FILE} std_clibcni.lnt $file 2>&1 | grep -E "Err|Warn|Info" | grep -vE ${PCLINT_MASKED_RULE}
        if [[ $? -eq 0 ]];then
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;31m\033[5m%s\033[0m\n" \
              ${index} ${total} ${file} "[FAILED]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
              failure_num=$((failure_num+1))
        else
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;32m%-5s\033[0m\n" \
              ${index} ${total} ${file} "[PASS]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
        fi
        index=$((index+1))
    done
    printf "%0.s=" {1..96}
    printf "\n"
    local end_time=$(date +%s)
    local duration=$((${end_time} - ${start_time}))
    echo -e "\033[1;36mTotal files: ${total}\033[0m, \033[1;32msuccess: $((total-failure_num))\033[0m, \033[1;31mfailure: ${failure_num}\033[0m. \033[1;33mSpend time: ${duration} seconds\033[0m"
    if [[ ${failure_num} -ne 0 ]]; then
      exit -1
    fi
}

CODESTYLE_MASKED_RULE=(
  "Start-processing"
  "Done-processing"
  "Total-errors-found"
  "\[build/header_guard\]-\[5\]"
  "\[build/c++11\]-\[5\]"
  "\[whitespace/indent\]-\[3\]"
  "\[whitespace/braces\]-\[4\]"
  "\[readability/condition\]-\[2\]"
  "\[whitespace/braces\]-\[5\]"
  "\[build/c\+\+11\]-\[5\]"
  "\[build/include_order\]-\[4\]"
  "\[readability/multiline_string\]-\[5\]"
  "\[runtime/string\]-\[4\]"
  "\[whitespace/semicolon\]-\[5\]"
  "\[whitespace/comments\]-\[2\]"
  "\[build/c\+\+11\]-\[3\]"
  "\[whitespace/operators\]-\[4\]"
  "\[runtime/threadsafe_fn\]-\[2\]"
  "\[runtime/printf\]-\[4\]"
  "\[readability/alt_tokens\]-\[2\]"
)
function codestyle_check() {
    echo -e "\
=================================================================================================\033[1;33m
           ______ ____   ____   ____ _   __ ______ _____ ________  __ __     ______
          / ____// __ \ / __ \ /  _// | / // ____// ___//_  __/\ \/ // /    / ____/
         / /    / / / // / / / / / /  |/ // / __  \__ \  / /    \  // /    / __/
        / /___ / /_/ // /_/ /_/ / / /|  // /_/ / ___/ / / /     / // /___ / /___
        \____/ \____//_____//___//_/ |_/ \____/ /____/ /_/     /_//_____//_____/\033[0m
================================================================================================="
    local masked_rule=$(echo ${CODESTYLE_MASKED_RULE[@]} | sed -e "s/ /|/g" -e "s/-/ /g")
    local start_time=$(date +%s)
    local files
    if [[ ${1} == "all" ]]; then
        files=$(find ./src -regextype posix-extended -regex ".*\.(h|c|cc)")
    else
        files=$(git diff --name-only HEAD | grep -E "*.h$|*.c$|*.cc$")
    fi
    files=(${files// / })
    local total=${#files[@]}
    local failure_num=0
    local index=1
    for file in ${files[@]}
    do
        python3 ${CODESTYLE_TOOL} $file 2>&1 | grep -vE "${masked_rule}"
        if [[ $? -eq 0 ]];then
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;31m\033[5m%s\033[0m\n" \
              ${index} ${total} ${file} "[FAILED]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
              failure_num=$((failure_num+1))
        else
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;32m%-5s\033[0m\n" \
              ${index} ${total} ${file} "[PASS]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
        fi
        index=$((index+1))
    done
    printf "%0.s=" {1..96}
    printf "\n"
    local end_time=$(date +%s)
    local duration=$((${end_time} - ${start_time}))
    echo -e "\033[1;36mTotal files: ${total}\033[0m, \033[1;32msuccess: $((total-failure_num))\033[0m, \033[1;31mfailure: ${failure_num}\033[0m. \033[1;33mSpend time: ${duration} seconds\033[0m"
    if [[ ${failure_num} -ne 0 ]]; then
      exit -1
    fi
}

CPPCHRECK_RULE=(
    "information"
    "warning"
    "performance"
    "style"
    # "unusedFunction"
    # "all"
)
CPPCHRCK_LOG="${CURRENT_PATH}/cppcheck.log"

function cpp_check() {
    echo -e "\
=================================================================================================\033[1;33m
                   ______ ____   ____     ______ __  __ ______ ______ __ __
                  / ____// __ \ / __ \   / ____// / / // ____// ____// //_/
                 / /    / /_/ // /_/ /  / /    / /_/ // __/  / /    / ,<
                / /___ / ____// ____/  / /___ / __  // /___ / /___ / /| |
                \____//_/    /_/       \____//_/ /_//_____/ \____//_/ |_|\033[0m
================================================================================================="
    echo "cpp check is in progress, please wait a few seconds..."
    printf "%0.s*" {1..97}
    printf "\n"
    local check_rule=$(echo ${CPPCHRECK_RULE[@]} | sed -e "s/ /,/g")
    local start_time=$(date +%s)
    result=$(cppcheck --enable=${check_rule} -j $(nproc) -i ./build ./ 2>&1 | grep -vE "^Checking|done$")
    nums=$(echo "${result}" | wc -l)
    echo "${result}"
    local end_time=$(date +%s)
    local duration=$((${end_time} - ${start_time}))
    if [[ ${nums} -eq 0 ]] || [[ -z ${result} ]]; then
        echo -e "\033[1;32mSuccess: clean code!\033[0m \033[1;33mSpend time: ${duration} seconds\033[0m"
    else
        printf "%0.s*" {1..97}
        printf "\n"
        echo -e "\033[1;31mFailure: There are ${nums} warnings that you need to handle\033[0m. \033[1;33mSpend time: ${duration} seconds\033[0m"
        exit -1
    fi
}

function clang_format() {
    echo -e "\
=================================================================================================\033[1;36m
         ______ __     ___     _   __ ______        ______ ____   ____   __  ___ ___   ______
        / ____// /    /   |   / | / // ____/       / ____// __ \ / __ \ /  |/  //   | /_  __/
       / /    / /    / /| |  /  |/ // / __ ______ / /_   / / / // /_/ // /|_/ // /| |  / /
      / /___ / /___ / ___ | / /|  // /_/ //_____// __/  / /_/ // _, _// /  / // ___ | / /
      \____//_____//_/  |_|/_/ |_/ \____/       /_/     \____//_/ |_|/_/  /_//_/  |_|/_/ \033[0m]
================================================================================================="
    local start_time=$(date +%s)
    local files=$(git diff --name-only HEAD | grep -E "*.h$|*.c$|*.cc$")
    files=(${files// / })
    local total=${#files[@]}
    local failure_num=0
    local index=1
    for file in ${files[@]}
    do
        clang-format -i ${file}
        if [[ $? -ne 0 ]];then
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;31m\033[5m%s\033[0m\n" \
              ${index} ${total} ${file} "[FAILED]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
              failure_num=$((failure_num+1))
        else
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;32m%-5s\033[0m\n" \
              ${index} ${total} ${file} "[PASS]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
        fi
        index=$((index+1))
    done
    printf "%0.s=" {1..96}
    printf "\n"
    local end_time=$(date +%s)
    local duration=$((${end_time} - ${start_time}))
    echo -e "\033[1;36mTotal files: ${total}\033[0m, \033[1;32msuccess: $((total-failure_num))\033[0m, \033[1;31mfailure: ${failure_num}\033[0m. \033[1;33mSpend time: ${duration} seconds\033[0m"
}

function do_astyle_fix() {
    astyle --options=none --lineend=linux --mode=c \
        --style=kr \
        --add-braces \
        --indent=spaces=4 \
        --indent-preprocessor \
        --indent-col1-comments \
        --indent-switches \
        --indent-cases \
        --min-conditional-indent=0 \
        --max-instatement-indent=120 \
        --max-code-length=120 \
        --break-after-logical \
        --pad-oper \
        --pad-header \
        --unpad-paren \
        --pad-comma \
        --lineend=linux \
        --align-reference=name \
        --close-templates \
        --indent-preproc-define \
        --indent-cases \
        --indent-switches \
        --attach-namespaces \
        --attach-classes \
        --attach-extern-c \
        --attach-closing-while  \
        --indent-col1-comments  \
        --break-one-line-headers \
        --close-templates < "${1}"
}

function astyle_fix() {
    [[ -z "${1}" || ! -r "${1}" ]] && exit -1
    tmp="$(mktemp --tmpdir=$(dirname "${1}"))"
    do_astyle_fix "${1}" > "${tmp}"
    sed -i 's/\*const/\* const/g' "${tmp}"
    mv "${tmp}" "${1}"
}

function astyle_format() {
    echo -e "\
=================================================================================================\033[1;36m
        ___    _____ ________  __ __     ______       ______ ____   ____   __  ___ ___   ______
       /   |  / ___//_  __/\ \/ // /    / ____/      / ____// __ \ / __ \ /  |/  //   | /_  __/
      / /| |  \__ \  / /    \  // /    / __/ ______ / /_   / / / // /_/ // /|_/ // /| |  / /
     / ___ | ___/ / / /     / // /___ / /___/_____// __/  / /_/ // _, _// /  / // ___ | / /
    /_/  |_|/____/ /_/     /_//_____//_____/      /_/     \____//_/ |_|/_/  /_//_/  |_|/_/ \033[0m]
================================================================================================="
    local start_time=$(date +%s)
    local files=$(find ./src -regextype posix-extended -regex ".*\.(h|c|cc)")
    files=(${files// / })
    local total=${#files[@]}
    local failure_num=0
    local index=1
    for file in ${files[@]}
    do
        astyle_fix ${file}
        if [[ $? -ne 0 ]];then
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;31m\033[5m%s\033[0m\n" \
              ${index} ${total} ${file} "[FAILED]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
              failure_num=$((failure_num+1))
        else
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;32m%-5s\033[0m\n" \
              ${index} ${total} ${file} "[PASS]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
        fi
        index=$((index+1))
    done
    printf "%0.s=" {1..96}
    printf "\n"
    local end_time=$(date +%s)
    local duration=$((${end_time} - ${start_time}))
    echo -e "\033[1;36mTotal files: ${total}\033[0m, \033[1;32msuccess: $((total-failure_num))\033[0m, \033[1;31mfailure: ${failure_num}\033[0m. \033[1;33mSpend time: ${duration} seconds\033[0m"
}

function quick_format() {
    if [[ $1 == "clang-format" ]]; then
        clang_format
    else
        astyle_format
    fi
}

function do_astyle_check() {
    [[ -z "$1" || ! -r "$1" ]] && return -1

    do_astyle_fix "$1" | diff -pu --label="$1.orig" "$1" --label="$1" -
    if [[ $? -ne 0 ]]; then
        return -1
    fi
}

function style_check() {
echo -e "\
=================================================================================================
    ███████╗████████╗██╗   ██╗██╗     ███████╗     ██████╗██╗  ██╗███████╗ ██████╗██╗  ██╗
    ██╔════╝╚══██╔══╝╚██╗ ██╔╝██║     ██╔════╝    ██╔════╝██║  ██║██╔════╝██╔════╝██║ ██╔╝
    ███████╗   ██║    ╚████╔╝ ██║     █████╗      ██║     ███████║█████╗  ██║     █████╔╝
    ╚════██║   ██║     ╚██╔╝  ██║     ██╔══╝      ██║     ██╔══██║██╔══╝  ██║     ██╔═██╗
    ███████║   ██║      ██║   ███████╗███████╗    ╚██████╗██║  ██║███████╗╚██████╗██║  ██╗
    ╚══════╝   ╚═╝      ╚═╝   ╚══════╝╚══════╝     ╚═════╝╚═╝  ╚═╝╚══════╝ ╚═════╝╚═╝  ╚═╝
================================================================================================="
    local start_time=$(date +%s)
    local files
    if [[ ${1} == "all" ]]; then
        files=$(find ./src -regextype posix-extended -regex ".*\.(h|c|cc)")
    else
        files=$(git diff --name-only HEAD | grep -E "*.h$|*.c$|*.cc$")
    fi
    files=(${files// / })
    local total=${#files[@]}
    local failure_num=0
    local index=1
    for file in ${files[@]}
    do
        do_astyle_check ${file}
        if [[ $? -ne 0 ]];then
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;31m\033[5m%s\033[0m\n" \
              ${index} ${total} ${file} "[FAILED]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
              failure_num=$((failure_num+1))
        else
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;32m%-5s\033[0m\n" \
              ${index} ${total} ${file} "[PASS]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
        fi
        index=$((index+1))
    done
    printf "%0.s=" {1..96}
    printf "\n"
    local end_time=$(date +%s)
    local duration=$((${end_time} - ${start_time}))
    echo -e "\033[1;36mTotal files: ${total}\033[0m, \033[1;32msuccess: $((total-failure_num))\033[0m, \033[1;31mfailure: ${failure_num}\033[0m. \033[1;33mSpend time: ${duration} seconds\033[0m"
    if [[ ${failure_num} -ne 0 ]]; then
      exit -1
    fi
}

function cmetrics_check() {
    echo -e "\
=================================================================================================\033[1;36m
     ______ __  ___ ______ ______ ____   ____ ______ _____    ______ __  __ ______ ______ __ __
    / ____//  |/  // ____//_  __// __ \ /  _// ____// ___/   / ____// / / // ____// ____// //_/
   / /    / /|_/ // __/    / /  / /_/ / / / / /     \__ \   / /    / /_/ // __/  / /    / ,<
  / /___ / /  / // /___   / /  / _, _/_/ / / /___  ___/ /  / /___ / __  // /___ / /___ / /| |
  \____//_/  /_//_____/  /_/  /_/ |_|/___/ \____/ /____/   \____//_/ /_//_____/ \____//_/ |_|\033[0m
================================================================================================="
    if [[ ${1} == "simple" ]]; then
        printf "%0.s*" {1..97}
        printf "\n"
        result=$(python3 ${CMETRICS_TOOL} -fp ./src)
        echo "${result}"
        printf "%0.s*" {1..97}
        printf "\n"
        CyclomaticComplexityPerMethod=$(echo "${result}" | grep '\[\*\] Cyclomatic Complexity per Method' | awk '{print $NF}')
        if [[ $(echo "${CyclomaticComplexityPerMethod} > 5" | bc) -eq 1 ]]; then
            echo -e "\033[1;31mFailure: cyclomatic complexity per method(${CyclomaticComplexityPerMethod}) greater then 5\033[0m."
            exit 1
         else
            echo -e "\033[1;32mSuccess: cyclomatic complexity per method(${CyclomaticComplexityPerMethod}) less then 5\033[0m."
            exit 0
        fi
    fi

    local start_time=$(date +%s)
    local files
    if [[ ${1} == "all" ]]; then
        files=$(find ./src -regextype posix-extended -regex ".*\.(h|c|cc)")
    else
        files=$(git diff --name-only HEAD | grep -E "*.h$|*.c$|*.cc$")
    fi
    files=(${files// / })
    local total=${#files[@]}
    local failure_num=0
    local index=1
    if [[ ${total} -eq 0 ]]; then
        return 0
    fi
    for file in ${files[@]}
    do
        result=$(python3 ${CMETRICS_TOOL} -fp ${file})
        CyclomaticComplexityperMethod=$(echo "${result}" | grep "\[\*\] Cyclomatic Complexity per Method:" | awk '{print $NF}')
        CyclomaticComplexityperMethod=${CyclomaticComplexityperMethod:-0}
        MaximumCyclomaticComplexity=$(echo "${result}" | grep "\[\*\] Maximum Cyclomatic Complexity:" | awk '{print $NF}')
        MaximumCyclomaticComplexity=${MaximumCyclomaticComplexity:-0}
        MaximumDepth=$(echo "${result}" | grep "\[\*\] Maximum Depth:" | awk '{print $NF}')
        MaximumDepth=${MaximumDepth:-0}
        RawLines=$(echo "${result}" | grep "\[\*\] Raw Lines:" | awk '{print $NF}')
        RawLines=${RawLines:-0}
        if [[ ${MaximumCyclomaticComplexity} -gt 10 ]] || [[ $(echo "${CyclomaticComplexityperMethod} > 5" | bc) -eq 1 ]] || \
          [[ ${MaximumDepth} -gt 5 ]] || [[ ${RawLines} -gt 2000 ]]; then
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;31m\033[5m%s\033[0m\n" \
              ${index} ${total} ${file} "[FAILED]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
              failure_num=$((failure_num+1))
        else
            printf "[\033[1;36m%03d\033[0m\033[1;33m/\033[0m\033[1;34m%03d\033[0m]@%-80s \033[1;32m%-5s\033[0m\n" \
              ${index} ${total} ${file} "[PASS]" | sed -e 's/ /-/g' -e 's/@/ /' -e 's/-/ /'
        fi
        printf "%s\n%s\n%s\n            %-1.3f                  |             %3d               |     %2d        |    %4d\n%s\n" \
"-------------------------------------------------------------------------------------------------" \
"  Cyclomatic Complexity per Method | Maximum Cyclomatic Complexity | Maximum Depth | Raw Lines   " \
"-------------------------------------------------------------------------------------------------" \
  ${CyclomaticComplexityperMethod}    ${MaximumCyclomaticComplexity} ${MaximumDepth}  ${RawLines}   \
"-------------------------------------------------------------------------------------------------"
        index=$((index+1))
    done
    printf "%0.s=" {1..97}
    printf "\n"
    local end_time=$(date +%s)
    local duration=$((${end_time} - ${start_time}))
    echo -e "\033[1;36mTotal files: ${total}\033[0m, \033[1;32msuccess: $((total-failure_num))\033[0m, \033[1;31mfailure: ${failure_num}\033[0m. \033[1;33mSpend time: ${duration} seconds\033[0m"
    printf "%0.s*" {1..97}
    printf "\n"
    if [[ ${1} == "all" ]]; then
        result=$(python3 ${CMETRICS_TOOL} -fp ./src)
    else
        result=$(python3 ${CMETRICS_TOOL} -fp ${files[@]})
    fi
    echo "${result}"
    printf "%0.s*" {1..96}
    printf "\n"
    CyclomaticComplexityPerMethod=$(echo "${result}" | grep '\[\*\] Cyclomatic Complexity per Method' | awk '{print $NF}')
    if [[ $(echo "${CyclomaticComplexityPerMethod} > 5" | bc) -eq 1 ]]; then
        echo -e "\033[1;31mFailure: cyclomatic complexity per method(${CyclomaticComplexityPerMethod}) greater then 5\033[0m."
        exit 1
     else
        echo -e "\033[1;32mSuccess: cyclomatic complexity per method(${CyclomaticComplexityPerMethod}) less then 5\033[0m."
        exit 0
    fi
}

function incremental_check() {
    style_check "incremental"
    if [[ $? -ne 0 ]]; then
        exit -1
    fi
    pclint_check "incremental"
    if [[ $? -ne 0 ]]; then
        exit -1
    fi
    codestyle_check "incremental"
    if [[ $? -ne 0 ]]; then
        exit -1
    fi
    cpp_check
    if [[ $? -ne 0 ]]; then
        return -1
    fi
    cmetrics_check "incremental"
}

function static_check_all() {
    style_check "all"
    if [[ $? -ne 0 ]]; then
        return -1
    fi
    pclint_check "all"
    if [[ $? -ne 0 ]]; then
        return -1
    fi
    codestyle_check "all"
    if [[ $? -ne 0 ]]; then
        return -1
    fi
    cpp_check
    if [[ $? -ne 0 ]]; then
        return -1
    fi

    cmetrics_check "simple"
}

args=`getopt -o upscmiaf:kh --long update-ci-tools,pclint,codestyle,detail-cmetrics,simple-cmetrics,incremental-check,all,quick-format:,style-check,cpp-check,help -- "$@"`
if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
eval set -- "$args"

while true; do
  case "$1" in
    -u|--update-ci-tools)   update_ci_tools || (err "failed to update ci tools project" && exit -1); shift ;;
    -p|--pclint)            pclint_check "all" || (err "failed to perfrom pclint code static check" && exit -1); shift ;;
    -s|--codestyle)         codestyle_check "all" || (err "failed to perfrom codestyle(codedex) code static check" && exit -1); shift ;;
    -c|--detail-cmetrics)   cmetrics_check "all" || (err "failed to perform detail checks and statistics" && exit -1); shift ;;
    -m|--simple-cmetrics)   cmetrics_check "simple" || (err "failed to perform simple checks and statistics" && exit -1); shift ;;
    -i|--incremental-check) incremental_check || (err "failed to perform incremental check" && exit -1); shift ;;
    -a|--all)               static_check_all || (err "failed to perform all checks and statistics" && exit -1); shift ;;
    -f|--quick-format)      quick_format $2 || (err "failed to format code" && exit -1); shift 2 ;;
    -k|--style-check)       style_check "all" || (err "failed to check code style" && exit -1); shift ;;
    --cpp-check)            cpp_check || (err "failed to check code style" && exit -1); shift ;;
    -h|--help)              usage ; exit 0 ;;
    --)                     shift ; break ;;
    *)                      err "invalid parameter" ; exit -1 ;;
  esac
done