#!@bash@/bin/bash

source /run/secrets/main.env

cache=/var/lib/cloudflare-ddns/old_ip
IP=$(@curl@/bin/curl -s 'https://api.ipify.org')
arr=("" "git." "www.")

if [[ -f "$cache" ]]; then
  old_ip=$(cat "$cache")
else
  old_ip=""
fi

if [[ "$IP" != "$old_ip" ]]; then
  for sub in "${arr[@]}"; do
    RECORD_ID=$(@curl@/bin/curl -s -X GET \
      "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records" \
      -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
      -H "Content-Type: application/json" \
      | @jq@/bin/jq -r ".result[] | select(.name==\"${sub}syedm.dev\" and .type==\"A\") | .id")

    if [ -n "$RECORD_ID" ]; then
      @curl@/bin/curl -s -X PUT \
        "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records/$RECORD_ID" \
        -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
        -H "Content-Type: application/json" \
        -d "{\"type\":\"A\",\"name\":\"${sub}syedm.dev\",\"content\":\"$IP\",\"ttl\":3600,\"proxied\":false}"
    fi
  done

  echo "$IP" > "$cache"
fi