# Configuration Nginx Reverse Proxy - Module 4NK_node

events {
    worker_connections 1024;
}

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

    # Logs centralisés
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    # Gzip compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    # Upstream servers
    upstream ihm_client {
        server 4nk-ihm-client:8080;
    }

    upstream sdk_relay1 {
        server 4nk-sdk-relay1:8091;
    }

    upstream sdk_storage {
        server 4nk-sdk-storage:8081;
    }

    upstream sdk_signer {
        server 4nk-sdk-signer:9090;
    }

    # HTTP server only (no TLS)
    server {
        listen 80;
        server_name _;

        # IHM Client
        location / {
            proxy_pass http://ihm_client;
            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;
        }

        # SDK Relay 1 API
        location /api/relay1/ {
            proxy_pass http://sdk_relay1/;
            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;
        }

        # SDK Relay 1 WebSocket
        location /ws/relay1/ {
            proxy_pass http://4nk-sdk-relay1:8090/;
            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;
        }

        # SDK Storage
        location /api/storage/ {
            proxy_pass http://sdk_storage/;
            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;
        }

        # SDK Signer
        location /api/signer/ {
            proxy_pass http://sdk_signer/;
            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;
        }

        # SDK Signer WebSocket
        location /ws/signer/ {
            proxy_pass http://4nk-sdk-signer:9090/;
            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;
        }

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