# SmartSolTech Nginx Configuration
# Скопировать в: /etc/nginx/sites-available/smartsoltech

# Редирект с www на non-www
server {
    listen 80;
    listen [::]:80;
    server_name www.smartsoltech.kr;
    return 301 https://smartsoltech.kr$request_uri;
}

# HTTP → HTTPS редирект
server {
    listen 80;
    listen [::]:80;
    server_name smartsoltech.kr;

    # Let's Encrypt challenge
    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

    location / {
        return 301 https://$server_name$request_uri;
    }
}

# HTTPS конфигурация
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name smartsoltech.kr;

    # SSL сертификаты (раскомментировать после получения от Let's Encrypt)
    # ssl_certificate /etc/letsencrypt/live/smartsoltech.kr/fullchain.pem;
    # ssl_certificate_key /etc/letsencrypt/live/smartsoltech.kr/privkey.pem;
    # ssl_trusted_certificate /etc/letsencrypt/live/smartsoltech.kr/chain.pem;

    # SSL настройки
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;

    # Security headers
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # Максимальный размер загружаемых файлов
    client_max_body_size 100M;

    # Логи
    access_log /var/log/nginx/smartsoltech_access.log;
    error_log /var/log/nginx/smartsoltech_error.log;

    # Статические файлы - ВАЖНО: должны быть ПЕРЕД location /
    location /static/ {
        alias /opt/smartsoltech_site/smartsoltech/staticfiles/;
        expires 30d;
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    # Медиа файлы
    location /media/ {
        alias /opt/smartsoltech_site/smartsoltech/media/;
        expires 7d;
        add_header Cache-Control "public";
        access_log off;
    }

    # Прокси к Django приложению
    location / {
        proxy_pass http://localhost:8000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_redirect off;
        proxy_buffering off;
        
        # Таймауты
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
    }
}