# docs:
#   https://rycee.gitlab.io/home-manager/
#   https://rycee.gitlab.io/home-manager/options.html
#   man home-configuration.nix
#

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

with lib;
let
  cfg = config.sane.home-manager;
  # extract `pkg` from `sane.packages.enabledUserPkgs`
  pkg-list = pkgspec: builtins.map (e: e.pkg) pkgspec;
in
{
  options = {
    sane.home-manager.enable = mkOption {
      default = false;
      type = types.bool;
    };
    # attributes to copy directly to home-manager's `wayland.windowManager` option
    sane.home-manager.windowManager = mkOption {
      default = {};
      type = types.attrs;
    };
  };

  config = lib.mkIf cfg.enable {
    home-manager.useGlobalPkgs = true;
    home-manager.useUserPackages = true;

    home-manager.users.colin = {

      # run `home-manager-help` to access manpages
      # or `man home-configuration.nix`
      manual.html.enable = false;  # TODO: set to true later (build failure)
      manual.manpages.enable = false;  # TODO: enable after https://github.com/nix-community/home-manager/issues/3344

      home.packages = pkg-list config.sane.packages.enabledUserPkgs;
      wayland.windowManager = cfg.windowManager;

      home.stateVersion = "21.11";
      home.username = "colin";
      home.homeDirectory = "/home/colin";

      programs = {
        # XXX: unsure what this does?
        home-manager.enable = true;
      };
    };
  };
}