server {
    listen 8080;
    server_name canina.ir stage.canina.ir;

    # Security Headers
    server_tokens off;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;

    # Block SEO Indexing for Staging Environment
    if ($host = "stage.canina.ir") {
        add_header X-Robots-Tag "noindex, nofollow, nosnippet, noarchive" always;
    }

    # Main Application (Next.js)
    location / {
        # Basic Authentication for Staging Environment
        if ($host = "stage.canina.ir") {
            set $auth_type "Staging Restricted Area";
        }
        if ($host != "stage.canina.ir") {
            set $auth_type "off";
        }
        auth_basic $auth_type;
        auth_basic_user_file /etc/nginx/.htpasswd;

        proxy_pass http://localhost:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }

    # Backend API
    location /api {
        proxy_pass http://backend:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        client_max_body_size 50M;
    }
}

server {
    listen 8080;
    server_name admin.canina.ir stageadmin.canina.ir;

    root /app/admin_static;
    index index.html;

    # Security Headers
    server_tokens off;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;

    # Block SEO Indexing for Staging Admin
    if ($host = "stageadmin.canina.ir") {
        add_header X-Robots-Tag "noindex, nofollow, nosnippet, noarchive" always;
    }

    # SPA routing for Admin Panel
    location / {
        if ($host = "stageadmin.canina.ir") {
            set $auth_type "Staging Admin Restricted Area";
        }
        if ($host != "stageadmin.canina.ir") {
            set $auth_type "off";
        }
        auth_basic $auth_type;
        auth_basic_user_file /etc/nginx/.htpasswd;

        try_files $uri $uri/ /index.html;
    }

    # Backend API for Admin
    location /api {
        proxy_pass http://backend:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        client_max_body_size 50M;
    }
}