# Beispiel nginx-Konfiguration fuer Mini-Cloud mit OnlyOffice
# Anpassen: cloud.example.com und office.example.com durch eigene Domains ersetzen

# Mini-Cloud
server {
    listen 443 ssl http2;
    server_name cloud.example.com;

    ssl_certificate /etc/letsencrypt/live/cloud.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/cloud.example.com/privkey.pem;

    client_max_body_size 0;  # Kein Upload-Limit (wird von Flask gesteuert)

    location / {
        proxy_pass http://127.0.0.1:5000;
        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;

        # WebSocket (falls spaeter benoetigt)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    # Server-Sent Events: Puffer aus, lange Read-Timeouts, sonst bricht die
    # Live-Refresh-Verbindung nach ein paar Sekunden ab.
    location /api/sync/events {
        proxy_pass http://127.0.0.1:5000;
        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_http_version 1.1;
        proxy_buffering off;
        proxy_cache off;
        proxy_read_timeout 24h;
        proxy_send_timeout 24h;
        chunked_transfer_encoding on;
    }

    # CalDAV/CardDAV braucht spezielle Methoden (PROPFIND, REPORT, MKCALENDAR)
    location /dav/ {
        # Nach 2017 erlaubt nginx die meisten WebDAV-Methoden out of the box.
        # Wichtig: kein Buffering der Request-Body (PUT groesserer ICS) und
        # korrekte Forward-Header fuer HTTP-Basic-Auth.
        proxy_pass http://127.0.0.1:5000;
        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_pass_request_headers on;
        proxy_request_buffering off;
        client_max_body_size 50M;
    }

    location = /.well-known/caldav  { return 301 https://$host/dav/; }
    location = /.well-known/carddav { return 301 https://$host/dav/; }
}

# OnlyOffice Document Server (optional)
# Nur noetig wenn OnlyOffice in docker-compose aktiviert ist
server {
    listen 443 ssl http2;
    server_name office.example.com;

    ssl_certificate /etc/letsencrypt/live/office.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/office.example.com/privkey.pem;

    location / {
        proxy_pass http://127.0.0.1:8080;
        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_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}

# HTTP -> HTTPS Redirect
server {
    listen 80;
    server_name cloud.example.com office.example.com;
    return 301 https://$host$request_uri;
}