worker_processes 1;

events {
    worker_connections 1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;

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

    server {
        listen 7860;
        server_name localhost;

        # 1. FastAPI Backend API routes
        location /reset {
            proxy_pass http://localhost:8000/reset;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /step {
            proxy_pass http://localhost:8000/step;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /health {
            proxy_pass http://localhost:8000/health;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /metadata {
            proxy_pass http://localhost:8000/metadata;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /schema {
            proxy_pass http://localhost:8000/schema;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /mcp {
            proxy_pass http://localhost:8000/mcp;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /tasks {
            proxy_pass http://localhost:8000/tasks;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /diff {
            proxy_pass http://localhost:8000/diff;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /openapi.json {
            proxy_pass http://localhost:8000/openapi.json;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /docs {
            proxy_pass http://localhost:8000/docs;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /redoc {
            proxy_pass http://localhost:8000/redoc;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /state {
            proxy_pass http://localhost:8000/state;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        location /config/custom {
            proxy_pass http://localhost:8000/config/custom;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
        }

        # 2. Next.js Frontend (port 3000)
        location / {
            proxy_pass http://localhost:3000;
            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 $connection_upgrade;
        }
    }
}