set -euo pipefail

: "${INSTALL_MSSQL_CLIENT:?Should be true or false}"

COLOR_BLUE=$'\e[34m'
readonly COLOR_BLUE
COLOR_RESET=$'\e[0m'
readonly COLOR_RESET

function install_mssql_client() {
    # Install MsSQL client from Microsoft repositories
    if [[ ${INSTALL_MSSQL_CLIENT:="true"} != "true" ]]; then
        echo
        echo "${COLOR_BLUE}Skip installing mssql client${COLOR_RESET}"
        echo
        return
    fi
    echo
    echo "${COLOR_BLUE}Installing mssql client${COLOR_RESET}"
    echo
    local distro
    local version
    distro=$(lsb_release -is | tr '[:upper:]' '[:lower:]')
    version=$(lsb_release -rs)
    local driver=msodbcsql18
    curl --silent https://packages.microsoft.com/keys/microsoft.asc | apt-key add - >/dev/null 2>&1
    curl --silent "https://packages.microsoft.com/config/${distro}/${version}/prod.list" > \
        /etc/apt/sources.list.d/mssql-release.list
    apt-get update -yqq
    apt-get upgrade -yqq
    ACCEPT_EULA=Y apt-get -yqq install -y --no-install-recommends "${driver}"
    rm -rf /var/lib/apt/lists/*
    apt-get autoremove -yqq --purge
    apt-get clean && rm -rf /var/lib/apt/lists/*
}

install_mssql_client "${@}"