#!/bin/bash

# Drone Detection System - Nginx Setup Script
# This script sets up the Nginx configuration for the drone detection system

set -e

echo "🚁 Setting up Nginx configuration for Drone Detection System..."

# Configuration variables
NGINX_CONFIG_FILE="drones.cqers.com"
SITES_AVAILABLE="/etc/nginx/sites-available"
SITES_ENABLED="/etc/nginx/sites-enabled"
DOMAIN="drones.cqers.com"

# Check if running as root
if [[ $EUID -ne 0 ]]; then
   echo "❌ This script must be run as root (use sudo)" 
   exit 1
fi

# Check if nginx is installed
if ! command -v nginx &> /dev/null; then
    echo "❌ Nginx is not installed. Please install nginx first:"
    echo "   sudo apt update && sudo apt install nginx"
    exit 1
fi

# Copy the configuration file
echo "📋 Copying nginx configuration..."
cp nginx/$NGINX_CONFIG_FILE $SITES_AVAILABLE/

# Create symlink to enable the site
echo "🔗 Enabling the site..."
ln -sf $SITES_AVAILABLE/$NGINX_CONFIG_FILE $SITES_ENABLED/

# Test nginx configuration
echo "🔍 Testing nginx configuration..."
if nginx -t; then
    echo "✅ Nginx configuration is valid"
else
    echo "❌ Nginx configuration has errors"
    exit 1
fi

# Reload nginx
echo "🔄 Reloading nginx..."
systemctl reload nginx

echo ""
echo "🎉 Nginx configuration setup complete!"
echo "================================================"
echo "Your drone detection system is now available at:"
echo "🌐 HTTP:  http://$DOMAIN"
echo "🔒 HTTPS: https://$DOMAIN (if SSL configured)"
echo ""
echo "Local access URLs:"
echo "🌐 HTTP:  http://localhost"
echo "📊 API:   http://localhost/api"
echo "💚 Health: http://localhost/health"
echo ""
echo "Next steps:"
echo "1. Make sure your Docker containers are running:"
echo "   docker-compose up -d"
echo ""
echo "2. Test the endpoints:"
echo "   curl http://localhost/health"
echo "   curl http://localhost/api/health"
echo ""
echo "3. (Optional) Configure SSL certificates for HTTPS"
echo "================================================"