#!/bin/bash

# Check if email is provided
if [ -z "$EMAIL" ]; then
    echo "ERROR: Email address is required"
    exit 1
fi

# Function to generate Let's Encrypt certificate
generate_cert() {
    local domain=$1
    
    certbot --nginx \
        --non-interactive \
        --agree-tos \
        --email "$EMAIL" \
        -d "$domain" \
        --redirect
}

# If no domain is provided, use the DOMAINS environment variable
if [ $# -eq 0 ] && [ -n "$DOMAINS" ]; then
    IFS=',' read -ra DOMAIN_LIST <<< "$DOMAINS"
    for domain in "${DOMAIN_LIST[@]}"; do
        generate_cert "$domain"
    done
else
    # Generate for specified domains
    for domain in "$@"; do
        generate_cert "$domain"
    done
fi