{
  config,
  lib,
  pkgs,
  ...
}:
with lib; let
  cfg = config.nixfiles.modules.psd;
in {
  options.nixfiles.modules.psd.enable =
    mkEnableOption "Profile Sync Daemon";

  config = mkIf cfg.enable {
    hm = {
      home.packages = with pkgs; [profile-sync-daemon];

      xdg.configFile."psd/psd.conf".text = ''
        USE_OVERLAYFS="yes"
      '';
    };

    systemd.user = {
      services = {
        psd = {
          unitConfig = {
            Description = "Profile-sync-daemon";
            Wants = ["psd-resync.service"];
            RequiresMountsFor = "/home/";
            After = ["local-fs.target"];
          };
          serviceConfig = {
            RemainAfterExit = true;
            ExecStart = "${pkgs.profile-sync-daemon}/bin/profile-sync-daemon startup";
            ExecStop = "${pkgs.profile-sync-daemon}/bin/profile-sync-daemon unsync";
          };
          wantedBy = ["graphical.target"];
        };

        psd-resync = {
          unitConfig = {
            Description = "Profile-sync-daemon resync";
            After = ["psd.service"];
            Wants = ["psd-resync.timer"];
            BindsTo = ["psd.service"];
          };
          serviceConfig.ExecStart = "${pkgs.profile-sync-daemon}/bin/profile-sync-daemon resync";
          wantedBy = ["graphical.target"];
        };
      };

      timers.psd-resync = {
        unitConfig = {
          Description = "Profile-sync-daemon resync timer";
          BindsTo = ["psd.service"];
        };
        timerConfig.OnUnitActiveSec = "1h";
      };
    };
  };
}