{ config, pkgs, host, lib, inputs, userconf, ... }:

let
  # Load user-specific variables
  userVars = import ./variables/user-vars.nix;
  inherit (userVars) username gitUsername gitEmail keyboardLayout;
  nixDirectory = "/home/${username}/NixOS";
in {
  ################################################################
  # Module Imports
  ################################################################

  imports = [
    # Host-specific hardware configuration (autogenerated)
    ./hardware-configuration.nix

    # System-level user definition
    ./user.nix

    # Base and global modules
    ../../../Modules/System

    # Home Manager integration
    inputs.home-manager.nixosModules.home-manager

    # nixos95
    inputs.self.nixosModules.nixos95

  ];
  ################################################################
  # Display & Desktop Environment
  ################################################################

  nixos95 = {
    enable = true;
    user = username;

    taskbar = {
      homeIcon = "whisker-menu-button";
      battery-plugin.enable = false;
      applications = [
        {
          name = "Brave";
          description = "Browse the Web";
          pkg = pkgs.brave;
          icon = "world";
        }
        {
          name = "Signal";
          description = "Private Messenger";
          pkg = pkgs.signal-desktop;
          icon = "signal";
        }
        {
          name = "Obsidian";
          description = "Markdown Editor";
          exe = "obsidian %u";
          icon = "obsidian";
        }
        {
          name = "Spotify";
          description = "Spotify Music";
          exe = "spotify %U";
          icon = "spotify";
        }
      ];
    };

    keybinds = {
      commands = [
        { key="<Alt>F2"; exe="xfce4-appfinder --collapsed"; }
        { key="<Super>r"; exe="xfce4-appfinedr --collapsed"; }
        { key="<Alt>Print"; exe="xfce4-screenshooter --window"; }
        { key="XF86WWW";  exe="exo-open --launch WebBrowser"; }
        { key="XF86Mail";  exe="exo-open --launch MailReader"; }
        { key="<Alt>F3";  exe="xfce4-appfinder" ; }
        { key="Print";  exe="xfce4-screenshooter"; }
        { key="<Primary>Escape";  exe="xfdesktop --menu"; }
        { key="<Shift>Print";  exe="xfce4-screenshooter -r"; }
        { key="<Primary><Alt>Delete";  exe="xfce4-session-logout"; }
        { key="<Alt><Super>s";  exe="orca"; }
        { key="<Primary><Alt>t";  exe="exo-open --launch TerminalEmulator"; }
        { key="<Primary><Alt>f";  exe="thunar"; }
        { key="<Primary><Alt>l";  exe="xflock4"; }
        { key="<Super>l";  exe="xflock4"; }
        { key="<Alt>F1";  exe="xfce4-popup-applicationsmenu"; }
        { key="<Super>p";  exe="xfce4-display-settings --minimal"; }
        { key="<Primary><Shift>Escape";  exe="xfce4-taskmanager"; }
        { key="<Super>e";  exe="thunar"; }
        { key="<Primary><Alt>Escape";  exe="xkill"; }
        { key="HomePage";  exe="exo-open --launch WebBrowser"; }
        { key="XF86Display";  exe="xfce4-display-settings --minimal"; }
      ];
      xfwm4 = [
        { key="<Primary>F12"; exe="workspace_12_key"; }
        { key="<Super>KP_Down"; exe="tile_down_key"; }
        { key="<Alt>F4"; exe="close_window_key"; }
        { key="<Primary><Alt>KP_3"; exe="move_window_workspace_3_key"; }
        { key="<Primary>F2"; exe="workspace_2_key"; }
        { key="<Primary>F6"; exe="workspace_6_key"; }
        { key="<Primary><Alt>Down"; exe="down_workspace_key"; }
        { key="<Primary><Alt>KP_9"; exe="move_window_workspace_9_key"; }
        { key="<Super>KP_Up"; exe="tile_up_key"; }
        { key="<Primary><Alt>End"; exe="move_window_next_workspace_key"; }
        { key="<Primary>F8"; exe="workspace_8_key"; }
        { key="<Primary><Shift><Alt>Left"; exe="move_window_left_key"; }
        { key="<Super>KP_Right"; exe="tile_right_key"; }
        { key="<Primary><Alt>KP_4"; exe="move_window_workspace_4_key"; }
        { key="Right"; exe="right_key"; }
        { key="Down"; exe="down_key"; }
        { key="<Primary>F3"; exe="workspace_3_key"; }
        { key="<Shift><Alt>Page_Down"; exe="lower_window_key"; }
        { key="<Primary>F9"; exe="workspace_9_key"; }
        { key="<Alt>Tab"; exe="cycle_windows_key"; }
        { key="<Primary><Shift><Alt>Right"; exe="move_window_right_key"; }
        { key="<Primary><Alt>Right"; exe="right_workspace_key"; }
        { key="<Alt>F6"; exe="stick_window_key"; }
        { key="<Primary><Alt>KP_5"; exe="move_window_workspace_5_key"; }
        { key="<Primary>F11"; exe="workspace_11_key"; }
        { key="<Alt>F10"; exe="maximize_window_key"; }
        { key="<Alt>Delete"; exe="del_workspace_key"; }
        { key="<Super>Tab"; exe="switch_window_key"; }
        { key="<Primary><Alt>d"; exe="show_desktop_key"; }
        { key="<Primary>F4"; exe="workspace_4_key"; }
        { key="<Super>KP_Page_Up"; exe="tile_up_right_key"; }
        { key="<Alt>F7"; exe="move_window_key"; }
        { key="Up"; exe="up_key"; }
        { key="<Primary><Alt>KP_6"; exe="move_window_workspace_6_key"; }
        { key="<Alt>F11"; exe="fullscreen_key"; }
        { key="<Alt>space"; exe="popup_menu_key"; }
        { key="<Super>KP_Home"; exe="tile_up_left_key"; }
        { key="Escape"; exe="cancel_key"; }
        { key="<Primary><Alt>KP_1"; exe="move_window_workspace_1_key"; }
        { key="<Super>KP_Next"; exe="tile_down_right_key"; }
        { key="<Super>KP_Left"; exe="tile_left_key"; }
        { key="<Shift><Alt>Page_Up"; exe="raise_window_key"; }
        { key="<Primary><Alt>Home"; exe="move_window_prev_workspace_key"; }
        { key="<Alt><Shift>Tab"; exe="cycle_reverse_windows_key"; }
        { key="<Primary><Alt>Left"; exe="left_workspace_key"; }
        { key="<Alt>F12"; exe="above_key"; }
        { key="<Primary><Shift><Alt>Up"; exe="move_window_up_key"; }
        { key="<Primary>F5"; exe="workspace_5_key"; }
        { key="<Alt>F8"; exe="resize_window_key"; }
        { key="<Primary><Alt>KP_7"; exe="move_window_workspace_7_key"; }
        { key="<Primary><Alt>KP_2"; exe="move_window_workspace_2_key"; }
        { key="<Super>KP_End"; exe="tile_down_left_key"; }
        { key="<Primary><Alt>Up"; exe="up_workspace_key"; }
        { key="<Alt>F9"; exe="hide_window_key"; }
        { key="<Primary>F7"; exe="workspace_7_key"; }
        { key="<Primary>F10"; exe="workspace_10_key"; }
        { key="Left"; exe="left_key"; }
        { key="<Primary><Alt>KP_8"; exe="move_window_workspace_8_key"; }
        { key="<Alt>Insert"; exe="add_workspace_key"; }
        { key="<Primary>F1"; exe="workspace_1_key"; }
      ];
    };
  };

  ################################################################
  # System Packages (XFCE & Utilities)
  ################################################################

  environment.systemPackages = with pkgs; [

    # Optional Extras
    xfce.gigolo
    xfce.xfce4-screenshooter
    xfce.parole
    # xfce.xfce4-clipman
    
    # other:
    zsh


  ];



  programs.steam = {
      enable = true;
      remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
      dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
      localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
    };

  services.openssh.enable = true;

  programs.zsh = {
      enable = true;
      ohMyZsh = {
        enable = true;
        theme = "xiong-chiamiov-plus";
        plugins = ["git"];
      };
    };





  ################################################################
  # Home Manager Configuration
  ################################################################

  home-manager = {
    useGlobalPkgs = true;
    useUserPackages = true;
    backupFileExtension = "delme-HMbackup";

    users.${username} = import ./home/home.nix {
      inherit config nixDirectory pkgs;
    };
  };

  ################################################################
  # Bootloader
  ################################################################

  boot.loader = {
    grub = {
      enable = true;
      efiSupport = false;
      useOSProber = false;
      devices = ["nodev"];
    };
    systemd-boot.enable = false;
    efi.canTouchEfiVariables = false;
  };

  ################################################################
  # System Version
  ################################################################

  system.stateVersion = "25.05";
}