#!/bin/sh

set -eu

URL="$1"
NAME=$(echo "$URL" | awk -F / '{ print $NF }')
HTML="html/${NAME}.html"
CHANNEL_ID=$(scraper -a content 'meta[property="og:url"]' < "$HTML" | awk -F / '{ print $NF }')
TITLE=$(scraper -a content 'meta[property="og:title"]' < "$HTML")
XML_URL="https://www.youtube.com/feeds/videos.xml?channel_id=${CHANNEL_ID}"

json_escape() {
  echo "$1" | jaq --raw-input .
}

JSON_TITLE=$(json_escape "$TITLE")
JSON_XML_URL=$(json_escape "$XML_URL")
JSON_URL=$(json_escape "$URL")

printf '{"title": %s, "xmlUrl": %s, "htmlUrl": %s}\n' "$JSON_TITLE" "$JSON_XML_URL" "$JSON_URL" > json/"$NAME".json