# ©AngelaMos | 2025
# Development Nginx Configuration
# - Proxies to Vite dev server (HMR/WebSocket support)
# - Proxies /api and /ws to FastAPI backend
# - No caching, verbose logging

user nginx;
worker_processes 1;
error_log /var/log/nginx/error.log debug;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
    use epoll;
}

http {
    include /etc/nginx/mime.types;
    include /etc/nginx/http.conf;
    default_type application/octet-stream;

    access_log /var/log/nginx/access.log main_timed;

    sendfile off;
    tcp_nodelay on;
    keepalive_timeout 65;

    server {
        listen 80;
        listen [::]:80;
        server_name _;

        client_max_body_size 10M;

        # WebSocket to backend
        location /ws {
            proxy_pass http://backend;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $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 3600s;
            proxy_send_timeout 3600s;
            proxy_buffering off;
        }

        # API routes
        location /api {
            proxy_pass http://backend;
            proxy_http_version 1.1;
            proxy_set_header Connection "";
            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_buffering off;
            proxy_request_buffering off;
        }

        # Vite dev server with HMR
        location / {
            proxy_pass http://frontend;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            proxy_set_header Host $host;
            proxy_cache_bypass $http_upgrade;
            proxy_read_timeout 60s;
            proxy_buffering off;
        }

        location /health {
            access_log off;
            return 200 "healthy\n";
            add_header Content-Type text/plain;
        }
    }
}