{
  config,
  lib,
  pkgs,
  ...
}:
with lib; let
  cfg = config.nixfiles.modules.vim;
in {
  options.nixfiles.modules.vim = {
    enable = mkEnableOption "Vim";

    rc = mkOption {
      type = types.str;
      default = readFile ./rc.vim;
      description = "Configuration file.";
    };

    plugins = mkOption {
      type = with types; listOf package;
      default = with pkgs.vimPlugins; [
        editorconfig-vim
        vim-eunuch
        vim-nix
        vim-sensible
        vim-sleuth
        vim-surround
        vim-unimpaired
      ];
      description = "Plugins.";
    };
  };

  config = mkIf cfg.enable {
    environment = with config.programs.vim; {
      systemPackages = [package];
      variables = rec {
        EDITOR = mkOverride 15 (getExe' package "vim");
        VISUAL = EDITOR;
      };
    };
  };
}