# ============================================================
# Swirl Master — Nginx Configuration
# Reverse proxy voor de Flask API + statische bestanden
# ============================================================

# Plaats in: /etc/nginx/sites-available/swirl
# Symlink: ln -s /etc/nginx/sites-available/swirl /etc/nginx/sites-enabled/swirl
# Test: nginx -t
# Reload: systemctl reload nginx

server {
    listen 80;
    listen [::]:80;
    server_name swirl.mescalinerabbit.shop;

    # Redirect naar HTTPS
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name swirl.mescalinerabbit.shop;

    # SSL certificaten (pas paden aan indien nodig)
    ssl_certificate /etc/letsencrypt/live/mescalinerabbit.shop/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/mescalinerabbit.shop/privkey.pem;

    # SSL instellingen
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256;
    ssl_prefer_server_ciphers off;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 1d;

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains" always;

    # Gzip compressie
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/json
        application/javascript
        application/xml
        application/xml+rss
        font/woff2;

    # Statische bestanden — direct door Nginx (snel!)
    location / {
        root /root/projects/jg/2026-ninja-swirl-recipes/deliverables;
        index index.html;
        try_files $uri $uri/ @api;

        # Cache statische assets
        location ~* \.(css|js|jpg|jpeg|png|gif|ico|svg|woff|woff2|ttf|eot)$ {
            root /root/projects/jg/2026-ninja-swirl-recipes/deliverables;
            expires 30d;
            add_header Cache-Control "public, immutable";
        }
    }

    # API proxy naar Flask
    location @api {
        proxy_pass http://127.0.0.1:5060;
        proxy_http_version 1.1;
        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_connect_timeout 10s;
        proxy_read_timeout 30s;
    }

    # API endpoints
    location /api/ {
        proxy_pass http://127.0.0.1:5060;
        proxy_http_version 1.1;
        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_connect_timeout 10s;
        proxy_read_timeout 30s;

        # Rate limiting (optioneel)
        limit_req zone=api burst=20 nodelay;
    }

    # Health check (geen rate limit)
    location = /api/health {
        proxy_pass http://127.0.0.1:5060;
        access_log off;
    }

    # Favicon
    location = /favicon.ico {
        root /root/projects/jg/2026-ninja-swirl-recipes/deliverables;
        log_not_found off;
    }

    # Robots
    location = /robots.txt {
        return 200 "User-agent: *\nAllow: /\n";
        add_header Content-Type text/plain;
    }

    # Error pages
    error_page 404 /404.html;
    error_page 500 502 503 504 /50x.html;

    # File upload limit (voor toekomstige foto upload)
    client_max_body_size 10M;

    # Access log
    access_log /var/log/nginx/swirl-master-access.log;
    error_log /var/log/nginx/swirl-master-error.log;
}

# ============================================================
# Rate limiting zone (voeg toe aan http {} block in nginx.conf):
# limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;
# ============================================================