{ inputs, config, pkgs, ... }:
let
  run = pkgs.writeScriptBin "run" ''
    #!/usr/bin/env bash
    if [[ $# -eq 0 ]]; then
      echo "Error: Missing argument"
    else
      NIXPKGS_ALLOW_UNFREE=1 nix run --impure nixpkgs#"$1" -- "''${@:2}"
    fi
  '';
in {
  users.users.delta = {
    isNormalUser = true;
    description = "delta";
    extraGroups = [ "networkmanager" "wheel" "libvirtd" ];
    openssh.authorizedKeys.keys = [
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGGL2UD0frl9F2OPBiPlSQqxDsuACbAVgwH24F0KT14L"
    ];
  };

  nix = {
    settings = {
      experimental-features = [ "flakes" "nix-command" ];
      auto-optimise-store = true;
      substituters = [ "https://shwewo.cachix.org" ];
      trusted-public-keys = [ "shwewo.cachix.org-1:84cIX7ETlqQwAWHBnd51cD4BeUVXCyGbFdtp+vLxKOo=" ];
    };
  };

  nixpkgs.config.allowUnfree = true;
  boot.kernel.sysctl."kernel.sysrq" = 1;

  environment.systemPackages = with pkgs; [ 
    run
    git
    micro
    nano
    nh
  ];

  programs.command-not-found.enable = false;
  programs.fish.enable = true;
  programs.fish.promptInit = ''
    set TERM "xterm-256color"
    set fish_greeting
    any-nix-shell fish --info-right | source
  '';
  users.defaultUserShell = pkgs.fish;
}