#!/bin/sh -e

INPUT_URL=$(echo "$1" | awk 'match($0, /(https:\/\/[a-z]+\.delfi\.ee\/artikkel\/[0-9]+)/) {print substr($0, RSTART, RLENGTH)}')

if [ "$INPUT_URL" = "" ]; then
    echo "Kahtlane url, nigga"
    exit;
fi;

DATE_NOW=$(date -u +%Y%m%d)
YEAR_NOW=$(date -u +%Y)
SECRET_CODE=$((DATE_NOW * YEAR_NOW))

echo "$INPUT_URL?preview=$SECRET_CODE"