nixos/configs/common.nix

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

{
  imports = [
    /etc/nixos/hardware-configuration.nix
  ];

  # Nix settings
  ## Limit Cores on rebuild and enable Flakes
  nix = {
    registry = {
      voidarc = {
        from = {
          id = "voidarc";
          type = "indirect";
        };
        to = {
          type = "git";
          url = "https://git.voidarc.co.uk/voidarc/flakes.git";
        };
      };
    };
    settings = {
      cores = 6;
      download-buffer-size = 524288000;
      experimental-features = [
        "nix-command"
        "flakes"
      ];
    };
  };

  ## Allow unfree packages and add pkgs.unstable
  nixpkgs = {
    config = {
      allowUnfree = true;
      packageOverrides = pkgs: {
        unstable = import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz") {
          config = {
            allowUnfree = true;
          };
        };
      };
    };
  };

  ## Optimise Nix store on rebuild and collect garbage as a service
  nix.optimise.automatic = true;
  nix.gc = {
    automatic = true;
    dates = "daily";
    options = "--delete-older-than 5d";
  };

  # Bootloader theming and plymouth
  boot = {
    loader = {
      timeout = 2;
      efi = {
        canTouchEfiVariables = true;
      };
      grub = {
        efiSupport = true;
        device = "nodev";
        theme = pkgs.catppuccin-grub;
      };
    };
    plymouth = {
      enable = true;
      theme = "catppuccin-mocha";
      themePackages = with pkgs; [
        # By default we would install all themes
        (catppuccin-plymouth.override {
          variant = "mocha";
        })
      ];
    };
  };

  ## Use latest kernel
  boot.kernelPackages = pkgs.linuxPackages_latest;

  # Bluetooth and Networking
  hardware.bluetooth.enable = true;
  hardware.xpadneo.enable = true;

  networking.networkmanager.enable = true;
  networking.networkmanager.dns = "none";
  networking.nameservers = [
    "1.1.1.1"
    "8.8.8.8"
  ];

  # Locale
  time.timeZone = "Europe/London";
  i18n.defaultLocale = "en_GB.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "en_GB.UTF-8";
    LC_IDENTIFICATION = "en_GB.UTF-8";
    LC_MEASUREMENT = "en_GB.UTF-8";
    LC_MONETARY = "en_GB.UTF-8";
    LC_NAME = "en_GB.UTF-8";
    LC_NUMERIC = "en_GB.UTF-8";
    LC_PAPER = "en_GB.UTF-8";
    LC_TELEPHONE = "en_GB.UTF-8";
    LC_TIME = "en_GB.UTF-8";
  };

  # Userspace Stuff
  ## Keymap
  services.xserver.xkb = {
    layout = "gb";
    variant = "";
  };
  console.keyMap = "uk";

  ## Desktop
  services.xserver.enable = true;
  programs.hyprland = {
    enable = true;
    package = inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.default;
  };
  security.polkit.enable = true;

  ## Audio Server
  services.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };

  # Local User
  ## User config
  users.users.user01 = {
    isNormalUser = true;
    shell = pkgs.zsh;
    description = "user01";
    extraGroups = [
      "input"
      "root"
      "plugdev"
      "bluetooth"
      "networkmanager"
      "docker"
      "wheel"
    ];
    packages =
      with pkgs;
      let
        input =
          {
            package,
            output ? "default",
          }:
          inputs.${package}.packages.${pkgs.stdenv.hostPlatform.system}.${output};
        wrap =
          {
            name,
            pkg,
            modules,
          }:
          pkgs.symlinkJoin {
            inherit name;
            paths = [ pkg ];
            nativeBuildInputs = [ pkgs.makeWrapper ];
            postBuild = ''
              wrapProgram $out/bin/${name} \
                --prefix PATH : ${pkgs.lib.makeBinPath modules}
            '';
          };
      in
      [
        # Ricing
        ## Desktop
        bibata-cursors
        catppuccin-gtk
        waybar
        hyprlock
        dunst
        wlogout
        wpaperd

        ## Desktop Utilities
        grimblast
        gsettings-desktop-schemas
        wl-clipboard
        (wrap {
          name = "otter-launcher";
          pkg = (
            input {
              package = "otter-launcher";
            }
          );
          modules = [
            chafa
            jq
          ];
        })
        (input { package = "fsel"; })

        # Terminal
        ## Styling / Functionality
        oh-my-posh
        carapace
        zsh-autocomplete
        bat

        ## Tools
        lazygit
        p7zip-rar
        any-nix-shell
        dysk
        bluetui
        fzf
        ripgrep
        wget
        htop
        playerctl
        git
        lsd
        (input {
          package = "doot";
        })

        ## Other CLI Apps
        nodejs
        fastfetch
        zellij
        cava
        cmatrix
        opencode
        tailscale
        syncthing
        (input { package = "norgolith"; })
        jellyfin-tui

        # Apps
        ## Actual Useful Stuff
        nemo
        kitty
        firefox
        gotify-desktop
        pavucontrol
        mpv
        input-remapper

        ## Other Nonsense
        tor-browser
        techmino
        prismlauncher
        delfin
        (input {
          package = "chataigne";
        })
      ];
  };

  ## Zsh
  programs.zsh = {
    enable = true;
    enableCompletion = true;
    enableBashCompletion = true;
    autosuggestions.enable = true;
    syntaxHighlighting.enable = true;
    histSize = 10000;
    ohMyZsh = {
      enable = true;
      plugins = [
        "git"
        "dirhistory"
        "history"
      ];
    };
  };
  users.defaultUserShell = pkgs.zsh;

  ## User programs
  programs = {
    dconf.enable = true;
    xfconf.enable = true;
    gdk-pixbuf.modulePackages = [ pkgs.librsvg ]; # For wlogout svgs
  };

  ## User Services
  services = {
    gvfs.enable = true;
    input-remapper.enable = true;
    tailscale.enable = true;
    printing.enable = true;
    upower.enable = true;
    openssh.enable = true;
    avahi.enable = true;
  };

  ## Fonts
  fonts.packages = with pkgs; [
    nerd-fonts.fira-mono
  ];
  fonts.fontconfig.defaultFonts.serif = [ "Fira Mono Nerd Font" ];

  # System Packages
  environment.systemPackages = with pkgs; [

    # Utilities
    inputs.nvim-wrapped.packages.${stdenv.hostPlatform.system}.default
    vim
    unzip
    python310
    usbutils
    curlWithGnuTls

    # System
    mesa
    vulkan-tools
    gvfs
    clang
    xdg-desktop-portal
    xdg-desktop-portal-hyprland
    glib
    gnutls
    liblzf
    librsvg
    appimage-run
    libnotify
    gsettings-desktop-schemas
  ];

  # The comment
  system.stateVersion = "25.05"; # Did you read the comment?

}