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

with lib;

let
  cfg = config.progs.exa;
  bin = "${pkgs.exa}/bin/exa";
in
{
  options.progs.exa = {
    enable = mkOption {
      type = types.bool;
      default = false;
      description = "Add and configure exa, a modern replacement for ls";
    };
  };
  
  config = mkIf cfg.enable {
    programs.exa.enable = true;

    programs.zsh.shellAliases = mkIf config.shell.zsh.enable {
      ls = "${bin} -1";
      ll = "${bin} -l";
      lt = "${bin} --tree";
    };
  };
}