export AWS_PROFILE=default
DOMAIN="pfy.ch"
declare -a SUB_DOMAINS=("home" "git" "zip")

# Scripts
CURRENT_IP=`dig @resolver4.opendns.com myip.opendns.com +short`

HOSTED_ZONE_ID=$(
  /usr/local/bin/aws route53 list-hosted-zones \
    | /usr/local/bin/jq \
      --arg domain "$DOMAIN." \
      '.HostedZones
        | map(select(.Name == $domain))
        | .[] .Id' \
    | sed 's/"//g'
)

for SUB_DOMAIN in "${SUB_DOMAINS[@]}"
do
  RECORD_VALUE=$(
    /usr/local/bin/aws route53 list-resource-record-sets \
      --hosted-zone-id $HOSTED_ZONE_ID \
      | /usr/local/bin/jq \
        --arg fullDomain "$SUB_DOMAIN.$DOMAIN." \
        '.ResourceRecordSets
          | map(select(.Name == $fullDomain))
          | .[] .ResourceRecords
          | .[] .Value' \
      | sed 's/"//g'
  )

  if test "$CURRENT_IP" != "$RECORD_VALUE"; then
    CHANGE_REQUEST="
      {
        \"HostedZoneId\": \"$HOSTED_ZONE_ID\",
        \"ChangeBatch\": {
          \"Comment\": \"Dynamic DNS change\",
          \"Changes\": [
            {
              \"Action\": \"UPSERT\",
              \"ResourceRecordSet\": {
                \"Name\": \"$SUB_DOMAIN.$DOMAIN\",
                \"Type\": \"A\",
                \"TTL\": 3600,
                \"ResourceRecords\": [
                  {
                    \"Value\": \"$CURRENT_IP\"
                  }
                ]
              }
            }
          ]
        }
      }
    "

    echo "$CURRENT_IP does not match $RECORD_VALUE on $SUB_DOMAIN.$DOMAIN. Changing...";
    /usr/local/bin/aws route53 change-resource-record-sets --hosted-zone-id $HOSTED_ZONE_ID --cli-input-json "$CHANGE_REQUEST"
    /Users/noahheague/.config/scripts/webhook.sh \
      -c "dns" \
      -m "$CURRENT_IP does not match $RECORD_VALUE on $SUB_DOMAIN.$DOMAIN"
  else 
    echo "$CURRENT_IP matches $RECORD_VALUE on $SUBDOMAIN.$DOMAIN."
  fi
done