{
  inputs,
  outputs,
  config,
  lib,
  pkgs,
  isDarwin,
  ...
}:
let
  platform = if isDarwin then "darwin" else "nixos";
  platformModules = "${platform}Modules";
in
{
  system.stateVersion = "24.05";

  imports = lib.flatten [
    inputs.home-manager.${platformModules}.home-manager
    inputs.sops-nix.${platformModules}.sops
    inputs.impermanence.${platformModules}.impermanence

    (map lib.custom.relativeToRoot [
      "hosts/common/core/${platform}.nix"
      "hosts/common/core/shell.nix"
      "hosts/common/core/sops.nix"
      "hosts/common/core/ssh.nix"
      "hosts/common/core/editor.nix"
      "hosts/common/core/fonts.nix"
      "hosts/common/core/sudo.nix"
      "hosts/common/core/avahi.nix"
      "hosts/common/core/dns.nix"
      "hosts/common/core/impermanence.nix"
      "hosts/common/users/primary"
      "hosts/common/users/primary/${platform}.nix"
      "modules/common"
    ])
  ];

  hostSpec = {
    username = lib.mkDefault "crow";
    handle = lib.mkDefault "TheWanderingCrow";
  };

  networking.hostName = config.hostSpec.hostName;

  environment.systemPackages = [
    pkgs.openssh
    pkgs.file
    pkgs.fastfetch
  ];

  home-manager.useGlobalPkgs = true;
  home-manager.backupFileExtension = "bk";

  nixpkgs = {
    overlays = [
      outputs.overlays.default
    ];
    config = {
      allowUnfree = true;
    };
  };

  virtualisation.oci-containers.backend = lib.mkDefault "podman";

  nix = {
    settings = {
      connect-timeout = 5;
      log-lines = 25;
      min-free = 128000000;
      max-free = 1000000000;

      experimental-features = [
        "nix-command"
        "flakes"
      ];

      fallback = true;
      auto-optimise-store = true;

      trusted-users = [ "@wheel" ];
      substituters = [
        "https://cache.nixos.org/"
        "https://nix-community.cachix.org"
      ];
      trusted-public-keys = [
        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
      ];
    };
    # Automatic garbage collect
    gc = {
      automatic = true;
      dates = "weekly";
    };
  };
}