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

with lib;
{

  nix = {
    extraOptions = "experimental-features = nix-command flakes";
    package = pkgs.nixVersions.unstable;
  };


  # This adds hyprland cache to cachix
  nix.settings = {
    substituters = ["https://hyprland.cachix.org"];
    trusted-public-keys = ["hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="];
  };
  
  # Use the systemd-boot EFI boot loader.
  boot = {
    kernelPackages = pkgs.linuxPackages_zen;
    kernelParams = [ "mem_sleep_default=deep" "nvme.noacpi=1"];
    # initrd.kernelModules = [ "amdgpu" ];
    loader = {
      systemd-boot.enable = true;
      efi.canTouchEfiVariables = true;
    };
  };

  networking.networkmanager.enable = true;
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
  # Per-interface useDHCP will be mandatory in the future, so this generated config
  # replicates the default behaviour.
  networking.useDHCP = false;

  boot.supportedFilesystems = [ "ntfs" ];
  services.xserver = {
    enable = true;
    autorun = false;
    # windowManager.awesome = {
    #   enable = true;
    #   package = pkgs.awesome;
    # };
    displayManager = {
      startx.enable = true;
      sddm = {
        enable = false;
      };
      session = [
        {
          manage = "desktop";
          name = "Hyprland";
          start = ''
          /home/chris/bin/hyprland &
          waitPID=$!
        '';
        }
      ];
    };
    desktopManager.plasma5 = {
      enable = true;
      runUsingSystemd = true;
    };
    # desktopManager.gnome.enable = true;
  };

  security.pam.services.kwallet = {
    name = "kwallet";
    enableKwallet = true;
  };

  security.pam.services = {
    sddm.enableKwallet = true;
    greetd.enableKwallet = true;
    swaylock = {};
  };

  services.greetd = {
    enable = true;
    settings = rec {
      initial_session = {
        command = "dbus-run-session startplasma-wayland";
        user = "chris";
      };
      default_session = {
        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time -r --window-padding 2 --cmd dbus-run-session startplasma-wayland -s /etc/greetd/environments";
        user = "greeter";
      };
      plasma_session = {
        command = "dbus-run-session startplasma-wayland";
        user = "chris";
      };
      hyprland_session = {
        command = "/home/chris/bin/hyprland";
        user = "chris";
      };
    };
  };

  environment.etc."greetd/environments".text = ''
    /home/chris/bin/hyprland
    dbus-run-session startplasma-wayland
    fish
    bash
'';

  programs.hyprland = {
    enable = true;
  };

  services.avahi = {
    enable = true;
    nssmdns = true;
  };

  # Enable sound.
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    wireplumber.enable = true;
  };

  # Needed for some pipewire progs and other gtk apps
  programs.dconf.enable = true;

  environment.variables = {
      EDITOR = "emacsclient -t -a";
      VISUAL = "emacsclient -c -a";
      # Fixing Qt apps in other environments
      # Thought I needed this but apparently they are working fine without it.
      # QT_XCB_GL_INTEGRATION = "xcb_egl";
      # QT_QPA_PLATFORM_PLUGIN_PATH = "${pkgs.qt5.qtbase.bin}/lib/qt-${pkgs.qt5.qtbase.qtCompatVersion}/plugins/platforms";
    WLR_NO_HARDWARE_CURSORS = "1";
  };

  programs.partition-manager.enable = true;
  programs.kdeconnect.enable = true;

  # Turn on flatpak
  services.flatpak.enable = true;

  # Configure keymap in X11
  services.xserver.layout = "us";
  # services.xserver.xkbOptions = "eurosign:e";

  # Enable CUPS to print documents.
  services.printing.enable = true;
  services.printing.drivers = [ pkgs.gutenprint pkgs.gutenprintBin pkgs.hplipWithPlugin ]; 

  services.usbmuxd.enable = true;
  services.fstrim.enable = true;

  #######################
  # VIRTUALIZATION
  #######################

  # virtualisation.waydroid.enable = true;
  virtualisation.podman.enable = true;
  # virtualisation.docker.enable = true;
  virtualisation.libvirtd = {
    enable = true;
    qemu = {
      runAsRoot = false;
      ovmf = {
        enable = true;
        packages = [
          pkgs.OVMFFull.fd
          pkgs.pkgsCross.aarch64-multiplatform.OVMF.fd
        ];
      };
      swtpm.enable = true;
    };
  };
  services.samba-wsdd.enable = true;
  services.samba = {
    enable = true;
    extraConfig = ''
      workgroup = WORKGROUP                                     
      server string = smbnix
      netbios name = smbnix
      security = user 
      #use sendfile = yes
      #max protocol = smb2
      # note: localhost is the ipv6 localhost ::1
      hosts allow = 192.168.0. 127.0.0.1 localhost
      hosts deny = 0.0.0.0/0
      guest account = nobody
      map to guest = bad user
  '';
    shares = {
      public = {
        path = "/home/chris/Public";
        "read only" = false;
        browsable = true;
        "guest ok" = true;
        comment = "Share";
      };
    };
  };

  # Android Tools
  programs.adb.enable = true;
  services.udev.packages = [ pkgs.android-udev-rules ];
}