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

with lib;
let
  name = "Niten";
  email = "niten@fudo.org";

  hostname = config.instance.hostname;
  host-config = config.fudo.hosts.${hostname};

  enable-gui = host-config.enable-gui;

  doom-emacs-config = pkgs.fetchgit {
    url = "https://git.fudo.org/niten/doom-emacs.git";
    rev = "6fdc2b5d0d97e49b59e1fc06cf7930b4e488e70b";
    sha256 = "06zj8r000m8bjfpgwljaz5s563xg6cfva85i75ianh97209p1j0a";
  };

  doom-emacs = pkgs.callPackage (pkgs.fetchgit {
    url = "https://github.com/vlaci/nix-doom-emacs.git";
    rev = "3893c50877a9d2d5d4aeee524ba1539f22115f1f";
    sha256 = "1jz8mxh143a4470mq303ng6dh3bxi6mcppqli4z0m13qhqssh4fx";
  }) {
    doomPrivateDir = "${pkgs.doom-emacs-config}";
    extraPackages = with pkgs.emacsPackages; [ elpher use-package ];
    emacsPackagesOverlay = self: super: {
      irony = super.irony.overrideAttrs (esuper: {
        buildInputs = esuper.buildInputs
          ++ [ pkgs.cmake pkgs.libclang pkgs.clang ];
      });
      spinner = let version = "1.7.4";
      in pkgs.emacsPackages.trivialBuild {
        inherit version;
        pname = "spinner";
        src = builtins.fetchTarball {
          url = "https://elpa.gnu.org/packages/spinner-${version}.tar";
          sha256 = "1jj40d68lmz91ynzwqg0jqdjpa9cn5md1hmvjfhy0cr3l16qpfw5";
        };
        buildPhase = ":";
      };
    };
  };

  gui-packages = with pkgs;
    let
      steam-with-pipewire =
        (steam.override { extraLibraries = pkgs: [ pkgs.pipewire ]; });
    in [
      exodus
      firefox
      jq
      nyxt
      openttd
      redshift
      signal-desktop
      spotify
      # steam-with-pipewire
      # steam-with-pipewire.run
      xclip
    ];

  common-packages = with pkgs; [
    ant
    asdf
    atop
    binutils
    btrfs-progs
    bundix
    byobu
    cdrtools
    cargo
    clojure
    cmake
    curl
    doom-emacs
    # doom-emacs-config
    # doomEmacsInit
    enca
    file
    fortune
    git
    gnome.gnome-tweaks
    gnutls
    gnupg
    google-chrome
    guile
    imagemagick
    ipfs
    iptables
    jdk
    leiningen
    libisofs
    lispPackages.quicklisp
    lsof
    lshw
    minecraft
    mkpasswd
    mplayer
    mtr
    nixfmt
    nix-index
    nixops
    nix-prefetch-git
    nyxt
    nmap
    opencv-java
    openldap
    openssl
    pciutils
    pipewire
    pv
    pwgen
    python
    ruby
    rustc
    sbcl
    stdenv
    telnet
    texlive.combined.scheme-basic
    tmux
    unzip
    youtube-dl
    yubikey-manager
    yubikey-personalization

    # Check and pick a favorite
    molly-brown
    ncgopher
    amfora
    asuka
    kristall
    castor
  ];

  hm = (import <home-manager/modules/lib> { inherit lib; });

  ensure-directories = [ ".emacs.d/.local/etc/eshell" ];

in {
  programs = {
    bash = { enable = true; };

    git = {
      enable = true;
      userName = name;
      userEmail = email;
      ignores = [ "*~" ];
      extraConfig = { pull = { rebase = false; }; };
    };
  };

  xresources.properties = mkIf enable-gui {
    "Xft.antialias" = 1;
    "Xft.autohint" = 0;
    "Xft.dpi" = 192;
    "Xft.hinting" = 1;
    "Xft.hintstyle" = "hintfull";
    "Xft.lcdfilter" = "lcddefault";
  };

  services.gpg-agent.enable = true;

  home = {
    packages =
      if enable-gui then common-packages ++ gui-packages else common-packages;

    file = {
      ".local/share/openttd/baseset" =
        mkIf enable-gui { source = "${pkgs.openttd-data}/data"; };

      ".doom.d" = { source = pkgs.doom-emacs-config; };

      # For nixified emacs
      ".emacs.d/init.el".text = ''
        (load "default.el")

        (setq package-archives nil)
        ;; (add-to-list 'package-directory-list "~/.nix-profile/share/emacs/site-lisp/elpa")
        (package-initialize)
      '';

      ".xsessions" = {
        executable = true;
        text = ''
          # -*-bash-*-
          gdmauth=$XAUTHORITY
          unset  XAUTHORITY
          export XAUTHORITY
          xauth merge "$gdmauth"

          if [ -f $HOME/.xinitrc ]; then
            bash --login -i $HOME/.xinitrc
          fi
        '';
      };

      ".fonts.conf" = { source = ../static/fonts.conf; };
    };

    sessionVariables = {
      EDITOR = "emacsclient -t";
      ALTERNATE_EDITOR = "";

      HISTCONTROL = "ignoredups:ignorespace";
    };

    # activation = let
    #   ensure-dir-script = dir: ''
    #     $DRY_RUN_CMD [[ -d "${dir}" ]] || mkdir -p "${dir}"
    #   '';
    #   ensure-dirs-script =
    #     concatStringsSep "\n" (map ensure-dir-script ensure-directories);
    # in hm.dag.entryAfter [ "writeBoundary" ] ensure-dirs-script;
  };

  systemd.user.tmpfiles.rules =
    map (dir: "d ${homedir}/${dir} 700 niten - - -") ensure-directories;
}