{ lib, pkgs, config, ... }:
let
  # Import rule definitions from refactored alert files in the parent 'alerting' directory
  cpuAlertRules = (import ./cpu_usage.nix { inherit lib pkgs config; }).grafanaAlertRuleDefinitions;
  diskAlertRules = (import ./disk_usage.nix { inherit lib pkgs config; }).grafanaAlertRuleDefinitions;
  hostDownAlertRules = (import ./host_down.nix { inherit lib pkgs config; }).grafanaAlertRuleDefinitions;
  inodeAlertRules = (import ./inode_usage.nix { inherit lib pkgs config; }).grafanaAlertRuleDefinitions;
  ramAlertRules = (import ./ram_usage.nix { inherit lib pkgs config; }).grafanaAlertRuleDefinitions;

  allSystemRules = cpuAlertRules ++ diskAlertRules ++ hostDownAlertRules ++ inodeAlertRules ++ ramAlertRules;
in
{
  services.grafana.provision.alerting.rules.settings.groups = [
    {
      name = "System Alerts"; # This is the Grafana alert group name
      folder = "System Alerts"; # This is the Grafana folder name
      interval = "1m"; 
      rules = allSystemRules;
    }
  ];
}