#!/bin/bash

#Enter your stwab.service-now.com Login Credentials here
USERNAME=''
PASSWORD=''

login(){
SESSION=$(curl --silent --cookie cookies.txt --cookie-jar cookies.txt "https://stwab.service-now.com/angular.do?sysparm_type=view_form.login&ni.nolog.user_password=true&remember_me=false&user_name=${USERNAME}&user_password=${PASSWORD}")
jq_script='if (.status == "success") then true else false end'
if echo $SESSION | jq -e "$jqscript" >/dev/null; then
    echo "acquired Session: $(echo ${SESSION} | jq -r '.session_token')"
    printf "Successfully logged in\n"

else
    printf "failed to acquire session"
fi
printf "\n\n"
}
logout(){
curl --silent --cookie cookies.txt --cookie-jar cookies.txt 'https://stwab.service-now.com/logout.do?sysparm_goto_url=%2Favg' > /dev/null
printf "logging out\n"
}

query(){
API="https://stwab.service-now.com/api/now/sp/page?sys_id=a47424aa87955990097662480cbb358a&view=sp&id=form&table=u_customer_card"
KARTEN_NR=$(curl --cookie cookies.txt --cookie-jar cookies.txt --silent "${API}" --compressed -H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0' -H 'Accept: application/json' | jq -r '.result.containers[1].rows[0].columns[0].widgets[2].widget.data.f.display_value')
BALANCE=$(curl --cookie cookies.txt --cookie-jar cookies.txt --silent "${API}" --compressed -H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0' -H 'Accept: application/json' | jq -r '.result.containers[1].rows[0].columns[0].widgets[2].widget.data.f._fields.u_balance.currencyValue')
printf "Stadtwerkekarte $KARTEN_NR - Guthaben $BALANCE€"
}

login >&2
query
printf "\n" >&2
logout >&2