error_log /var/log/nginx/error.log info;

map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

# Default HTTP -> HTTPS redirect (keine Änderung)
server {
    listen 80 default_server;
    server_name _;

    location /.well-known/acme-challenge/ {
        root /var/www/certbot;
    }

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

# UI (portal) - nur für server.schooltech.ch
server {
    listen 443 ssl http2;
    server_name server.schooltech.ch;

    ssl_certificate /etc/letsencrypt/live/server.schooltech.ch/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/server.schooltech.ch/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    root /usr/share/nginx/html;
    index index.html;

    location / {
        try_files $uri $uri/ /index.html;
    }

    # API forwarding to auth (same as before)
    location /api/ {
        proxy_pass http://appserverauth:3000/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;
    }

    # Internal auth endpoint for auth_request (used by other server blocks)
    location = /nginxauth {
        internal;
        proxy_pass http://appserverauth:3000/internal/auth;
        proxy_set_header Cookie $http_cookie;
    }

    # Security
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
}

# (abc.server.schooltech.ch) - Controller on ThinkCentre
server {
    listen 443 ssl http2;
    server_name abc.server.schooltech.ch;

    ssl_certificate /etc/letsencrypt/live/server.schooltech.ch/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/server.schooltech.ch/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    # ---- Static assets: keine Auth, damit Browser die .js/.css korrekt erhält ----
    location ~* \.(?:js|css|png|jpg|jpeg|gif|ico|svg|webp)$ {
        proxy_pass https://thinkcentre.local:10010;
        proxy_set_header Host thinkcentre.local;
        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 https;
        # kein proxy_set_header Connection / Upgrade hier
    }

    # ---- WebSocket-Endpoint (falls z.B. /echo) - auth prüfen ----
    location /echo {
        auth_request /nginxauth;
        proxy_pass https://thinkcentre.local:10010/echo;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        proxy_ssl_server_name on;
        proxy_ssl_name thinkcentre.local;
        proxy_ssl_verify off;

        proxy_set_header Host thinkcentre.local;
        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 https;
    }

    # ---- Hauptanwendung (HTML, API-Aufrufe aus dem App) - auth prüfen ----
    location / {
        auth_request /nginxauth;

        proxy_pass https://thinkcentre.local:10010/;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        proxy_ssl_server_name on;
        proxy_ssl_name thinkcentre.local;
        proxy_ssl_verify off;

        proxy_set_header Host thinkcentre.local;
        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 https;
        proxy_set_header Origin $http_origin;

        proxy_hide_header X-Frame-Options;
        add_header X-Frame-Options "ALLOWALL" always;

        proxy_hide_header Content-Security-Policy;
        add_header Content-Security-Policy "frame-ancestors https://server.schooltech.ch" always;
    }

    location = /nginxauth {
        internal;
        proxy_pass http://appserverauth:3000/internal/auth;
        proxy_set_header Cookie $http_cookie;
        proxy_set_header X-Original-URI $request_uri;
    }
}

# Simulation 3a29
server {
    listen 443 ssl http2;
    server_name simulation3a29.server.schooltech.ch;

    ssl_certificate /etc/letsencrypt/live/server.schooltech.ch/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/server.schooltech.ch/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    # ---- Static assets: keine Auth, damit Browser die .js/.css korrekt erhält ----
    location ~* \.(?:js|css|png|jpg|jpeg|gif|ico|svg|webp)$ {
        proxy_pass https://thinkcentre.local:1003;
        proxy_set_header Host thinkcentre.local;
        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 https;
        # kein proxy_set_header Connection / Upgrade hier
    }

    # ---- WebSocket-Endpoint (falls z.B. /echo) - auth prüfen ----
    location /echo {
        auth_request /nginxauth;
        proxy_pass https://thinkcentre.local:1003/echo;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        proxy_ssl_server_name on;
        proxy_ssl_name thinkcentre.local;
        proxy_ssl_verify off;

        proxy_set_header Host thinkcentre.local;
        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 https;
    }

    # ---- Hauptanwendung (HTML, API-Aufrufe aus dem App) - auth prüfen ----
    location / {
        auth_request /nginxauth;

        proxy_pass https://thinkcentre.local:1003/;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        proxy_ssl_server_name on;
        proxy_ssl_name thinkcentre.local;
        proxy_ssl_verify off;

        proxy_set_header Host thinkcentre.local;
        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 https;
        proxy_set_header Origin $http_origin;

        proxy_hide_header X-Frame-Options;
        add_header X-Frame-Options "ALLOWALL" always;

        proxy_hide_header Content-Security-Policy;
        add_header Content-Security-Policy "frame-ancestors https://server.schooltech.ch" always;
    }

    location = /nginxauth {
        internal;
        proxy_pass http://appserverauth:3000/internal/auth;
        proxy_set_header Cookie $http_cookie;
        proxy_set_header X-Original-URI $request_uri;
    }
}

# Guacamole on ThinkCentre
server {
    listen 443 ssl http2;
    server_name xyz.server.schooltech.ch;

    ssl_certificate /etc/letsencrypt/live/server.schooltech.ch/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/server.schooltech.ch/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    location / {
        auth_request /nginxauth;  # <--- hier

        proxy_pass http://thinkcentre.local:8080/;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        # Proxy Header
        proxy_set_header Host thinkcentre.local;  # <--- Upstream erwartet diesen Host
        proxy_set_header Origin $http_origin;
        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 https;

        # iFrame erlauben
        proxy_hide_header X-Frame-Options;
        add_header X-Frame-Options "ALLOWALL" always;

        proxy_hide_header Content-Security-Policy;
        add_header Content-Security-Policy "frame-ancestors *" always;
    }

    location = /nginxauth {
        internal;
        proxy_pass http://appserverauth:3000/internal/auth;
        proxy_set_header Cookie $http_cookie;
        proxy_set_header X-Original-URI $request_uri;
    }
}


# Guacamole on ThinkCentre
server {
    listen 443 ssl http2;
    server_name portainer.server.schooltech.ch;

    ssl_certificate /etc/letsencrypt/live/server.schooltech.ch/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/server.schooltech.ch/privkey.pem;
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_prefer_server_ciphers on;

    location / {
        auth_request /nginxauth;  # <--- hier

        proxy_pass http://portainer:9000/;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        # Proxy Header
        proxy_set_header Host thinkcentre.local;  # <--- Upstream erwartet diesen Host
        proxy_set_header Origin $http_origin;
        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 https;

        # iFrame erlauben
        proxy_hide_header X-Frame-Options;
        add_header X-Frame-Options "ALLOWALL" always;

        proxy_hide_header Content-Security-Policy;
        add_header Content-Security-Policy "frame-ancestors *" always;
    }

    location = /nginxauth {
        internal;
        proxy_pass http://appserverauth:3000/internal/auth;
        proxy_set_header Cookie $http_cookie;
        proxy_set_header X-Original-URI $request_uri;
    }
}