# HTTP Server Block - REQUIRED for Let's Encrypt and redirects
server {
    listen 80;
    # listen [::]:80;
    server_name home.seanowiecki.com;

    # Location for Let's Encrypt HTTP-01 challenge renewal
    # This path must match the webroot path used by the certbot command
    location /.well-known/acme-challenge/ {
        root /var/www/html;
        # Ensure this directory exists in your nginx container
        try_files $uri =404;
    }

    # Redirect ALL other HTTP traffic to HTTPS
    location / {
        return 301 https://$server_name$request_uri;
    }
}

# HTTPS Server Block - Your existing config, corrected
server {
    listen 443 ssl;
    http2 on;
    server_name home.seanowiecki.com;

    # SSL Configuration
    ssl_certificate /etc/letsencrypt/live/home.seanowiecki.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/home.seanowiecki.com/privkey.pem;

    # SSL Settings (your existing settings are good)
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
    ssl_prefer_server_ciphers off;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 1d;

    # Proxy configuration for Home Assistant
    location / {
        proxy_pass http://192.168.1.98:8123; # Use your Docker service name or IP
        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;

        # Essential WebSocket support headers[citation:2]
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # DISABLE buffering for the initial response
        proxy_buffering off;

        # CRITICAL: Increase timeouts for the initial data load[citation:3]
        proxy_read_timeout 86400s;  # Keep connections alive for a long time
        proxy_send_timeout 86400s;
        proxy_connect_timeout 30s;

        # Optimize buffers for data transfer
#        proxy_buffering off;
#        proxy_buffer_size 128k;
#        proxy_buffers 4 256k;
#        proxy_busy_buffers_size 256k;

        # Ensure nginx doesn't buffer WebSocket frames
        proxy_http_version 1.1;
    }

    location /api/websocket {
        proxy_pass http://192.168.1.98:8123;
        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_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_read_timeout 86400s; # Keep WS connection alive
    }

    # Security headers
    add_header X-Frame-Options SAMEORIGIN;
    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";
}