server {
    listen 80;
    listen [::]:80;
    root /usr/share/nginx/html;
    index index.html;

    # SPA fallback — toutes les routes vers index.html
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Proxy vers le backend pour les routes API (v1 et Admin)
    location /api/ {
        proxy_pass http://backend:7000;
        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 pour les fichiers signés (thumbnails, downloads)
    location /files/ {
        proxy_pass http://backend:7000;
        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;
    }

    location /admin/api/ {
        proxy_pass http://backend:7000;
        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;
    }

    location /ws/ {
        proxy_pass http://backend:7000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    location /health {
        proxy_pass http://backend:7000;
    }

    location /metrics {
        proxy_pass http://backend:7000;
    }

    # Cache agressif pour les assets buildés (hash dans le nom)
    location ~* \.(js|css|png|svg|woff2)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }
}