{
  config,
  lib,
  inputs,
  ...
}:
let
  cfg = config.os.srv.persistance;
in
{
  imports = [ inputs.impermanence.nixosModules.impermanence ];

  options.os.srv.persistance.enable = lib.mkEnableOption "enables persistance drive maintnance";
  config = lib.mkMerge [
    (lib.mkIf cfg.enable {
      environment.persistence."/persist" = {
        hideMounts = true;
        directories = [
          "/var/lib/nixos"
          "/var/lib/systemd"
          "/var/lib/microvm"
        ];
        files = [
          "/etc/machine-id"
        ];
      };
    })
    (lib.mkIf (cfg.enable && config.os.srv.ssh.server.enable) {
      environment.persistence."/persist" = {
        files = [
          "/etc/ssh/ssh_host_ed25519_key"
          "/etc/ssh/ssh_host_ed25519_key.pub"
        ];
      };
    })
    (lib.mkIf (cfg.enable && config.os.srv.crowdsec.agent.enable) {
      environment.persistence."/persist" = lib.mkIf cfg.agent.enable {
        hideMounts = true;
        directories = [
          {
            directory = "/var/lib/crowdsec";
            user = "crowdsec";
            group = "crowdsec";
            mode = "0750";
          }
        ];
      };
    })
  ];
}