#!/usr/bin/env bash
#
# Called as
#
#  eval "${DNS_ADD_COMMAND}" "${lower_d}" "${auth_key}"
#

# See https://developer.hosting.ionos.de/docs/getstarted how to generate
# an API Key consisting of prefix and key
#
# see DNS API Doc here https://developer.hosting.ionos.de/docs/dns
#

API_KEY="X-API-Key: <prefix>.<key>"
API_URL="https://api.hosting.ionos.com/dns/v1"

# TODO: check $1,$2 not empty

DNS_RR=$1
DNS_SECRET=$2


# get zone id:
curl -s -X GET "$API_URL/zones" -H "accept: application/json" -H "Content-Type: application/json" -H "$API_KEY" \
       	| jq -r 'map([.name, .id] | join (";")) | .[]' >/tmp/$$.zones

ZONE=$DNS_RR

do=true
while $do; do
  ZONE_ID=$(awk -F\; '/^'"$ZONE"';/{print $2}' </tmp/$$.zones)
  if [  -z "$ZONE_ID" ]; then
    ZONE=$(echo "$ZONE" | cut -d'.' -f2-)
    # check that it has at minimum one '.'. This check is incomplete
    # when dealing with .co.nz etc Zones
    DOTS=$(echo "$ZONE" | awk -F. '{ print NF -1 }')
    if [ $DOTS -le 0 ]; then
      echo "No ZoneID found for $1"
      echo "Zones found with API"
      cat /tmp/$$.zones
      rm -f /tmp/$$.zones
      exit 1
    fi
  else
    break
    do=false  # Never reached
  fi
done


# create record
curl -X POST "$API_URL/zones/$ZONE_ID/records" -H "accept: application/json" -H "Content-Type: application/json" -H "$API_KEY" -d '[ { "name": "_acme-challenge.'$DNS_RR'", "type": "TXT", "content": "'$DNS_SECRET'", "ttl": 60, "prio": 100, "disabled": false } ]'

rm -f /tmp/$$.zones