{ config, pkgs, lib, ... }:

{
  # Common configuration shared between staging and prod
  
  # This file contains nginx settings that are identical across environments
  # Import this in both staging.nginx.nix and prod.nginx.nix
  
  services.nginx = {
    # Recommended settings
    recommendedGzipSettings = true;
    recommendedOptimisation = true;
    recommendedProxySettings = true;
  };
  
  # Common location configurations that can be reused
  # These are defined as library functions
  lib.nginxLocations = {
    # Standard root location with SSI support
    rootLocation = {
      index = "index.html";
      tryFiles = "$uri $uri/ =404";
      extraConfig = ''
        # Enable Server Side Includes for navbar/footer includes
        ssi on;
      '';
    };
    
    # Private blog articles location with HTTP basic authentication
    privateLocation = {
      extraConfig = ''
        auth_basic "Private Articles";
        auth_basic_user_file /srv/nginx/.htpasswd;
        
        # Enable Server Side Includes
        ssi on;
      '';
    };
    
    # Common extraConfig for custom 404
    custom404 = ''
      error_page 404 /404.html;
    '';
  };
}