# WebSocket URLs carry the session JWT in ?token= (browsers cannot send
# headers on WebSocket requests): log those paths without the query string.
log_format ws_noquery '$remote_addr - $remote_user [$time_local] "$request_method $uri $server_protocol" '
                      '$status $body_bytes_sent "$http_referer" "$http_user_agent"';

server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    # SPA fallback
    location / {
        try_files $uri $uri/ /index.html;
    }

    # index.html references content-hashed bundles: it must be revalidated on
    # every load, otherwise browsers keep a heuristically cached copy after a
    # deploy and request bundles that no longer exist (blank page until a hard
    # refresh).
    location = /index.html {
        add_header Cache-Control "no-cache";
        # The SPA document is served here in every deployment mode (the outer
        # nginx proxies to this one, and its http-level headers are not
        # inherited by servers that set their own add_header). Without these
        # the panel could be framed by any site (clickjacking).
        add_header Content-Security-Policy "frame-ancestors 'self'" always;
        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    }

    # API proxy
    location /api/ {
        proxy_pass http://app:8000/api/;
        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_read_timeout 60s;
    }

    # Proxmox API proxy
    location /proxmox/ {
        proxy_pass http://app:8000/proxmox/;
        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_read_timeout 60s;
        # Загрузка ISO/образов: файлы многогигабайтные, дефолтный
        # client_max_body_size 1m этого server{} блока и короткие таймауты
        # им не подходят.
        client_max_body_size 20g;
        proxy_send_timeout 300s;
        client_body_timeout 3600s;
    }

    # Settings API proxy
    location /settings/api/ {
        proxy_pass http://app:8000/settings/api/;
        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_read_timeout 60s;
    }

    # Templates API proxy
    location /templates/api/ {
        proxy_pass http://app:8000/templates/api/;
        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_read_timeout 60s;
    }

    # IPAM API proxy
    location /ipam/api/ {
        proxy_pass http://app:8000/ipam/api/;
        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_read_timeout 60s;
    }

    # Logs API proxy
    location /logs/api/ {
        proxy_pass http://app:8000/logs/api/;
        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_read_timeout 60s;
    }

    # Admin API proxy
    location /admin/api/ {
        proxy_pass http://app:8000/admin/api/;
        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_read_timeout 60s;
    }

    # Health check proxy
    location /health {
        proxy_pass http://app:8000/health;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }

    # WebSocket proxy
    location /ws/ {
        access_log /var/log/nginx/access.log ws_noquery;
        proxy_pass http://app:8000/ws/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_read_timeout 86400s;
    }

    # Proxmox WebSocket proxy
    location /proxmox/ws/ {
        access_log /var/log/nginx/access.log ws_noquery;
        proxy_pass http://app:8000/proxmox/ws/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_read_timeout 86400s;
    }

    # Cache static assets
    location /assets/ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # Gzip
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml text/javascript image/svg+xml;
    gzip_min_length 1000;
}