#!/bin/bash
loginout_install() {
    module_load confirm
    module_load helpers

    [[ ! $(systemctl list-units | grep lightdm) ]] && echo lightdm not running on this machine, aborting && return

     SDIR=$(adirname "${BASH_SOURCE[0]}")
     # echo source directory: $SDIR


    pushd $SDIR &> /dev/null || exit
    [[ ! -d  /etc/lightdm/lightdm.conf.d ]] && mkdir -p  /etc/lightdm/lightdm.conf.d
    echo copying  50-setup-cleanup.conf to /etc/lightdm/lightdm.conf.d
    sudo cp -f 50-setup-cleanup.conf /etc/lightdm/lightdm.conf.d

    if [[ ! -d  /opt/session ]]; then
     if [[ ! $(mkdir -p  /opt/session) ]]; then 
       echo unable to make /opt/session with user $USER, elevating to sudo
       _sudo="sudo"
       [[ $($_sudo mkdir -p /opt/session) ]] && echo can not make /opt/session, aborting && return 
       fi
     fi  


    echo copying  lightdm-cleanup.sh and lightdm-setup.sh to /opt/session
    $_sudo cp -f  scripts/* /opt/session
    echo setting execute permissions
    $_sudo chmod -R +x /opt/session/*.sh


     
    popd >/dev/null

    _user=${1:-${USER}}
    confirm "add a user .session folder for $_user" && add_user_session $1


}

function add_user_session {

    module_load confirm
    module_load helpers
    
    SDIR=$(adirname "${BASH_SOURCE[0]}")
    # echo source directory: $SDIR

    pushd $SDIR &> /dev/null || exit

    _user=${1:-${USER}}

    [[ ! $(user_exists $_user) ]]  && echo user $_user does not exist, aborting && return
    _home=$(bash -c "cd ~$(printf %q $_user) && pwd")

    echo making $_home/.session folder for $_user
    # mkdir $USER/.session

    sudo -H -E -u "$_user" -s /bin/bash cpy.session.sh

    popd >/dev/null


# confirm "do you want to install WidevineCDM for digital streaming rights?"
# if [ $? -eq 0 ]; then
#     module_load widevine-install
#     widevine_install
# fi


}

# if script was executed then call the function
(return 0 2>/dev/null) || loginout_install $@