#!/bin/bash
if [ -z "$BASH_VERSION" ]; then exec bash "$0" "$@"; exit; fi

#----------------------------------------------------------------------------------------------------------------
# 변수 선언
current_path=`pwd`
line="*-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-*"

#----------------------------------------------------------------------------------------------------------------
# 파일 및 폴더 경로 확인
__find_path (){
    script_file="00_terraform_var_change.sh"
    cd ../../
    tmp_path=`find -name ${script_file} | grep -vi old`
    tmp_num=`grep -c "/" ${tmp_path}`
    path_num=`echo $(( $tmp_num - 1 ))`
    script_path=`echo ${tmp_path}| cut -d "/" -f1-${path_num}`
    _bash=`which bash`
    _terraform=`which terraform`
}

#----------------------------------------------------------------------------------------------------------------
# lambda 실행
__lambda_execute (){
    lambda_file="lambda_${1}.sh"
    cd "${current_path}/lambda"
    #./${lambda_file}
    echo ${line}
    echo "lambda file : $(pwd)/${lambda_file}" #DEBUG
    ${_bash} ${lambda_file}
    echo ${line}
}

#----------------------------------------------------------------------------------------------------------------
# 변수 변경 스크립트 실행 뒤 terraform apply 실행
__terraform_target (){
    cd ${current_path}
    cd ../../
    cd ${script_path}
    echo "script_file : ${script_file}" #DEBUG
    ${_bash} ${script_file}
    echo ${line}
    ${_terraform} apply
}

#----------------------------------------------------------------------------------------------------------------

if [[ ${1} == ''  ]];then
    echo "[Usage] ${0} { start | stop | restart } "
    exit
else
    script_func=${1}
    __find_path
    if [[ ${script_func} == 'start' ]];then
        __lambda_execute start
        __terraform_target
    elif [[ ${script_func} == 'stop'  ]];then
        __lambda_execute stop
    elif [[ ${script_func} == 'restart'  ]];then
        __lambda_execute restart
        __terraform_target
    else
        echo "[Usage] ${0} { start | stop | restart } "
        exit
    fi
fi