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

    # Disable caching for all responses during debugging
    add_header Cache-Control "no-cache, no-store, must-revalidate" always;
    add_header Pragma "no-cache" always;
    add_header Expires "0" always;

    # Favicon
    location = /favicon.ico {
        try_files /favicon.ico =204;
        access_log off;
        log_not_found off;
    }

    # Serve shared JS and CSS directories at root
    location /js/ {
        try_files $uri =404;
    }

    location /css/ {
        try_files $uri =404;
    }
    # Custom 404 page
    error_page 404 /404.html;
    location = /404.html {
        internal;
    }

    # Enable clean URLs without .html extension
    location / {
        # Try the exact URI, then with .html, then as directory with index.html, then 404
        try_files $uri $uri.html $uri/ =404;
    }

    location = /index.html {
        try_files /index.html =404;
    }



    # Proxy API requests to plato.lan (192.168.1.74)
    location /api/plato/ {
        proxy_pass http://192.168.1.74:8080/v1/;
        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 API requests to stoic.lan (192.168.1.159)
    location /api/stoic/ {
        proxy_pass http://192.168.1.159:8081/v1/;
        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 API requests to ollama (192.168.1.159:8081)
    location /api/ollama/ {
        proxy_pass http://192.168.1.159:8081/v1/;
        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;
    }

    # Default /api/ points to plato for backwards compatibility
    location /api/ {
        proxy_pass http://192.168.1.74:8080/v1/;
        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 $scheme;
    }
    # Cache static assets with content hash - minimal caching
    location ~* \.(js|css)$ {
        expires 1s;  # 1 second for rapid iteration
        add_header Cache-Control "public, max-age=1, must-revalidate" always;
    }
    # Cache images and icons - short caching
    location ~* \.(ico|png|svg|jpg|jpeg|gif|webp)$ {
        expires 5s;  # 5 seconds, adjust as needed
        add_header Cache-Control "public, max-age=5, must-revalidate" always;
    }

    # Gzip compression for better performance
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_types text/plain text/css text/xml text/javascript application/javascript application/xml+rss application/json;
}