#! /bin/sh
API_URL="$(grep "API_URL=" /usr/local/bin/sendtelegram.config | cut -d= -f2)"
SILENCE="$(grep "SILENCE=" /usr/local/bin/sendtelegram.config | cut -d= -f2)"
CHAT_ID="$(grep "CHAT_ID=" /usr/local/bin/sendtelegram.config | cut -d= -f2)"
THRD_ID="$(grep "THRD_ID=" /usr/local/bin/sendtelegram.config | cut -d= -f2)"
TXT_MSG="[Authorization] $(cat /etc/hostname):
$(w -h)"

(
  if [ -z "${THRD_ID}" ]; then
    curl -s -o /dev/null -X POST \
         -d chat_id="${CHAT_ID}" \
         -d text="${TXT_MSG}" \
         -d disable_notification="${SILENCE}" \
         "${API_URL}"
  else
    curl -s -o /dev/null -X POST \
         -d chat_id="${CHAT_ID}" \
         -d text="$TXT_MSG" \
         -d disable_notification="${SILENCE}" \
         -d message_thread_id="$THRD_ID" \
         "${API_URL}"
  fi
)