{ config, pkgs, inputs, ... }:

let
  # Instantiate the unstable package set for your system architecture
  unstable = import inputs.nixpkgs-unstable {
    system = pkgs.stdenv.hostPlatform.system;
    config.allowUnfree = true; 
  };
in
{
  imports = [
    inputs.dankcalendar.nixosModules.default
  ];

  programs.niri = {
    enable = true;
    package = inputs.niri.packages.${pkgs.stdenv.hostPlatform.system}.niri-unstable;
  };

  programs.dms-shell = {
    enable = true;
    enableSystemMonitoring = true;
    enableVPN = true;            
    enableDynamicTheming = true;
    enableAudioWavelength = true;
    enableCalendarEvents = true;

    systemd = {
      enable = true;
      restartIfChanged = true;
    };

    quickshell.package = unstable.quickshell;

    plugins = {
      developerUtilities.enable = true;
      batteryPlus.enable = true;
      dankBatteryAlerts.enable = true;
      dmsThemeSync.enable = true;
    };
  };

  programs.dms-greeter = {
    enable = true;
    compositor.name = "niri";

    configHome = "/home/jashton";
  };

  programs.dank-calendar.enable = true;

  systemd = {
    user = {
      services = {
        niri-flake-polkit.enable = true;
      };
    };
  };

  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };

  services = {
    libinput = {
      enable = true;
    };

    openssh = {
      enable = true;
    };

    tailscale = {
      enable = true;
    };

    displayManager = {
      autoLogin = {
        enable = false;
        user = "jashton";
      };

      defaultSession = "niri";
    };

    upower.enable = true;
    printing.enable = true;
    gvfs.enable = true;
    gnome.gnome-keyring.enable = true;
    blueman.enable = true;
  };

  hardware.printers.ensurePrinters = [
    {
      name = "Marriott_Library_BW";
      location = "Knowledge Commons Level 2";
      description = "UofU B&W Print Queue";
      deviceUri = "lpd://pharossys-ps1.ucard.utah.edu/kcq-1";
      model = "drv:///sample.drv/generic.ppd";
      ppdOptions = {
        PageSize = "Letter";
        Duplex = "DuplexNoTumble";
      };
    }
    {
      name = "Marriott_Library_Color";
      location = "Knowledge Commons Level 2";
      description = "UofU Color Print Queue";
      deviceUri = "lpd://pharossys-ps1.ucard.utah.edu/kcq-7";
      model = "drv:///sample.drv/generic.ppd";
      ppdOptions = {
        PageSize = "Letter";
        Duplex = "DuplexNoTumble";
      };
    }
  ];
}