# ======================================================================
# INÍCIO - CONFIGURAÇÃO WINDMILL
# ======================================================================

# ----------------------------------------------------------------------
# Windmill (windmill.grupopralog.com.br) - HTTP (Porta 80)
# Redireciona para HTTPS e serve o desafio ACME (Let's Encrypt).
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Backend (Upstream) para o Windmill
# ----------------------------------------------------------------------
upstream windmill_backend {
    # IP da VM Debian + Porta do Docker
    server 172.16.253.103:8000; 
}
server {
    if ($host = windmill.grupopralog.com.br) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    listen 80;
    listen [::]:80;
    server_name windmill.grupopralog.com.br;

    # Regra para renovação do Let's Encrypt
    location ~ /.well-known/acme-challenge/ {
        allow all;
        root /var/www/html; # O mesmo diretório do seu Nextcloud
    }

    # Redirecionamento forçado para HTTPS
    location / {
        return 301 https://$host$request_uri;
    }


}

# ----------------------------------------------------------------------
# Windmill (windmill.grupopralog.com.br) - HTTPS (Porta 443)
# Configuração principal e segura.
# ----------------------------------------------------------------------
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name windmill.grupopralog.com.br;

    # --- Caminhos dos Certificados (Serão preenchidos pelo Certbot) ---
    #ssl_certificate /etc/letsencrypt/live/windmill.grupopralog.com.br/fullchain.pem;
    #ssl_certificate_key /etc/letsencrypt/live/windmill.grupopralog.com.br/privkey.pem;
    #ssl_trusted_certificate /etc/letsencrypt/live/windmill.grupopralog.com.br/fullchain.pem;

    # --- Segurança: SSL/TLS (Copiado da sua config do Nextcloud) ---
    ssl_protocols TLSv1.3 TLSv1.2;
    ssl_ciphers 'TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY_1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305';
    ssl_prefer_server_ciphers on;
    ssl_ecdh_curve X25519:secp256r1:secp384r1;
    ssl_dhparam /etc/nginx/dhparam.pem;
    ssl_session_timeout 1d;
    ssl_session_tickets off;
    ssl_stapling on;
    ssl_stapling_verify on;
    resolver 127.0.0.1 valid=300s;
    resolver_timeout 5s;

    # --- Segurança: Headers HTTP (Copiado da sua config) ---
    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header Referrer-Policy "no-referrer" always;

    # --- Compressão (Copiado da sua config) ---
    brotli on;
    brotli_comp_level 6;
    brotli_min_length 1024;
    brotli_types application/atom+xml application/javascript application/json application/rss+xml text/css text/javascript text/plain text/xml;
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_min_length 1024;
    gzip_types application/atom+xml application/javascript application/json application/rss+xml text/css text/javascript text/plain text/xml;

    # --- Logging Dedicado (Conforme suas instruções) ---
    access_log /var/log/nginx/windmill.access.log detailed_proxy; # Assumindo que 'detailed_proxy' está no seu httpd.conf
    error_log /var/log/nginx/windmill.error.log warn;

    # --- Configuração do Proxy para o Windmill ---
    location / {
        proxy_pass http://windmill_backend; # Aponta para o upstream que criamos
        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;

        # --- Suporte a WebSockets (CRÍTICO para a UI do Windmill) ---
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        
        # --- Otimização de Buffers e Timeouts ---
        proxy_buffering off; # Essencial para UI reativa
        proxy_request_buffering off;
        proxy_read_timeout 900s; # Timeouts longos para jobs
        proxy_send_timeout 900s;
    }

    ssl_certificate /etc/letsencrypt/live/windmill.grupopralog.com.br/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/windmill.grupopralog.com.br/privkey.pem; # managed by Certbot
}

# ======================================================================
# FIM - CONFIGURAÇÃO WINDMILL
# ======================================================================