{ config, pkgs, callPackage, ... }:

{
  nixpkgs.overlays = [
    (self: super:
      let
        # Overlay function
        emacs-overlay =
          import (builtins.fetchTarball {
            url = https://github.com/nix-community/emacs-overlay/archive/master.tar.gz;
          });
        #
        # Extract version pointing to master branch
        emacsGit = (emacs-overlay self super).emacsGit;
        #
        # Override source attribute
        emacs-custom-base = emacsGit.overrideAttrs ( old: {
          src = pkgs.fetchFromSavannah {
            repo = "emacs";
            rev = "89ac5ba11c773764f418c92ab47a237287a0d233";
            sha256 = "19qjj0aw7w0rz29jpa1x48jmv3mh1p1aky82y040xmk6axg8blnl";
          };
        });
      in
        {
          emacs-custom = emacs-custom-base;
        }
    )
  ];

  home.username = "gsimmer";
  home.homeDirectory = "/home/gsimmer";

  nixpkgs.config.allowUnfree = true;
  
  programs.bash.enable = false;
  programs.fish = {
    enable = true;
    interactiveShellInit = ''
      set fish_greeting
    '';
    plugins = [
      {
        name = "z";
        src = pkgs.fetchFromGitHub {
          owner = "jethrokuan";
          repo = "z";
          rev = "e0e1b9dfdba362f8ab1ae8c1afc7ccf62b89f7eb";
          sha256 = "0dbnir6jbwjpjalz14snzd3cgdysgcs3raznsijd6savad3qhijc";
        };
      }
    ];
  };
  
  programs.direnv = {
    enable = true;
    nix-direnv.enable = true;
  };

  services.lorri.enable = true;
  
  programs.git = {
    enable = true;
    userName = "Gabriel Simmer";
    userEmail = "gsimmer@protonmail.com";
    signing = {
      key = "C81B106D46C5B875";
      signByDefault = true;
    };
  };

  programs.emacs = {
    enable = true;
    package = pkgs.emacs-custom;
    extraPackages = epkgs: [
      epkgs.vterm
    ];
  };

  programs.exa = {
    enable = true;
    enableAliases = true;
  };

  programs.bat = {
    enable = true;
  };
  
  home.packages = with pkgs; [ 
    discord
    spotify
    bitwarden-cli
    mullvad-vpn
    transmission-qt
    vlc
    obs-studio
    python3
    lmms
    prismlauncher
    ripgrep
    kitty
    cider
    virt-manager
    jre8
  ];

  # This value determines the Home Manager release that your
  # configuration is compatible with. This helps avoid breakage
  # when a new Home Manager release introduces backwards
  # incompatible changes.
  #
  # You can update Home Manager without changing this value. See
  # the Home Manager release notes for a list of state version
  # changes in each release.
  home.stateVersion = "23.05";

  # Let Home Manager install and manage itself.
  programs.home-manager.enable = true;
}