upstream chatwoot_pralog_backend {
    server 172.17.0.3:8082;
}

server {
    listen 80;
    server_name atendimento.grupopralog.com.br;
    include snippets/acme_challenge.conf;
    location / {
        return 301 https://atendimento.grupopralog.com.br$request_uri;
    }
}

server {
    listen 443 quic;
    listen 443 ssl;
    server_name atendimento.grupopralog.com.br;

    # Certificados (Ajustar apos geracao via Certbot se necessario)
    ssl_certificate /etc/letsencrypt/live/atendimento.grupopralog.com.br/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/atendimento.grupopralog.com.br/privkey.pem;

    access_log /var/log/nginx/atendimento.grupopralog.com.br.access.log detailed_proxy;
    error_log /var/log/nginx/atendimento.grupopralog.com.br.error.log warn;

    include snippets/ssl_params.conf;
    include snippets/proxy_params.conf;
    include snippets/modsecurity.conf;
    include snippets/well_known.conf;
    include snippets/security_actions.conf;

    proxy_cache dynamic_cache;
    set $upstream_proto http;
    set $upstream_app chatwoot_pralog_backend;

    # Recomendacao Chatwoot/Twilio: Permitir underscores em headers para webhooks
    underscores_in_headers on;

    location / {
        expires 15m;
        proxy_cache_valid 200 15m;
        proxy_pass http://chatwoot_pralog_backend;
        
        # Force HTTPS for Rails
        include snippets/proxy_params.conf;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Forwarded-Ssl on;
        proxy_set_header X-Forwarded-Port 443;
    }

    # Configuracao obrigatoria para Real-time (WebSockets)
    location /cable {
        proxy_pass http://chatwoot_pralog_backend;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Host $http_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 https;
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        access_log off;
    }
}