apiVersion: v1
kind: ConfigMap
metadata:
  name: cloudflare-ddns-script
  namespace: cloudflare-ddns
data:
  update-dns.sh: |
    #!/bin/sh

    set -e

    # Colors for output
    RED='\033[0;31m'
    GREEN='\033[0;32m'
    YELLOW='\033[1;33m'
    NC='\033[0m' # No Color

    echo "Starting Cloudflare DDNS update..."
    echo "Timestamp: $(date)"

    # Check required environment variables
    if [ -z "$API_TOKEN" ]; then
      echo "${RED}ERROR: API_TOKEN is not set${NC}"
      exit 1
    fi

    if [ -z "$ZONE_ID" ]; then
      echo "${RED}ERROR: ZONE_ID is not set${NC}"
      exit 1
    fi

    if [ -z "$DOMAINS" ]; then
      echo "${RED}ERROR: DOMAINS is not set${NC}"
      exit 1
    fi

    # Get current public IP address
    echo "Fetching current public IP address..."
    PUBLIC_IP=$(curl -s https://api.ipify.org)

    if [ -z "$PUBLIC_IP" ]; then
      echo "First attempt failed, trying alternative service..."
      PUBLIC_IP=$(curl -s https://ifconfig.me)
    fi

    if [ -z "$PUBLIC_IP" ]; then
      echo "${RED}ERROR: Could not determine public IP address${NC}"
      exit 1
    fi

    echo "${GREEN}Current public IP: $PUBLIC_IP${NC}"

    # Process each domain
    echo "$DOMAINS" | tr ',' '\n' | while IFS= read -r DOMAIN; do
      # Trim whitespace
      DOMAIN=$(echo "$DOMAIN" | xargs)

      echo ""
      echo "Processing domain: $DOMAIN"

      # Get DNS record ID for the domain
      echo "Fetching DNS record for $DOMAIN..."
      RECORD_RESPONSE=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records?name=$DOMAIN&type=A" \
        -H "Authorization: Bearer $API_TOKEN" \
        -H "Content-Type: application/json")

      # Check if the request was successful
      SUCCESS=$(echo "$RECORD_RESPONSE" | grep -o '"success":[^,]*' | cut -d':' -f2)

      if [ "$SUCCESS" != "true" ]; then
        echo "${RED}ERROR: Failed to fetch DNS record for $DOMAIN${NC}"
        echo "$RECORD_RESPONSE"
        continue
      fi

      # Extract record ID and current IP
      RECORD_ID=$(echo "$RECORD_RESPONSE" | grep -o '"id":"[^"]*"' | head -1 | cut -d'"' -f4)
      CURRENT_IP=$(echo "$RECORD_RESPONSE" | grep -o '"content":"[^"]*"' | head -1 | cut -d'"' -f4)

      if [ -z "$RECORD_ID" ]; then
        echo "${YELLOW}WARNING: DNS record not found for $DOMAIN. Creating new record...${NC}"

        # Create new DNS record
        CREATE_RESPONSE=$(curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records" \
          -H "Authorization: Bearer $API_TOKEN" \
          -H "Content-Type: application/json" \
          --data "{\"type\":\"A\",\"name\":\"$DOMAIN\",\"content\":\"$PUBLIC_IP\",\"ttl\":120,\"proxied\":false}")

        CREATE_SUCCESS=$(echo "$CREATE_RESPONSE" | grep -o '"success":[^,]*' | cut -d':' -f2)

        if [ "$CREATE_SUCCESS" = "true" ]; then
          echo "${GREEN}Successfully created DNS record for $DOMAIN with IP $PUBLIC_IP${NC}"
        else
          echo "${RED}ERROR: Failed to create DNS record for $DOMAIN${NC}"
          echo "$CREATE_RESPONSE"
        fi
        continue
      fi

      echo "Current DNS IP: $CURRENT_IP"

      # Check if IP needs to be updated
      if [ "$CURRENT_IP" = "$PUBLIC_IP" ]; then
        echo "${GREEN}IP address is already up to date for $DOMAIN${NC}"
        continue
      fi

      echo "${YELLOW}Updating DNS record for $DOMAIN from $CURRENT_IP to $PUBLIC_IP${NC}"

      # Update DNS record
      UPDATE_RESPONSE=$(curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records/$RECORD_ID" \
        -H "Authorization: Bearer $API_TOKEN" \
        -H "Content-Type: application/json" \
        --data "{\"type\":\"A\",\"name\":\"$DOMAIN\",\"content\":\"$PUBLIC_IP\",\"ttl\":120,\"proxied\":false}")

      UPDATE_SUCCESS=$(echo "$UPDATE_RESPONSE" | grep -o '"success":[^,]*' | cut -d':' -f2)

      if [ "$UPDATE_SUCCESS" = "true" ]; then
        echo "${GREEN}Successfully updated DNS record for $DOMAIN to $PUBLIC_IP${NC}"
      else
        echo "${RED}ERROR: Failed to update DNS record for $DOMAIN${NC}"
        echo "$UPDATE_RESPONSE"
      fi
    done

    echo ""
    echo "Cloudflare DDNS update completed at $(date)"