{ config, lib, pkgs, namespace, ... }:
let
  inherit (lib) mkIf mkEnableOption;

  cfg = config.${namespace}.shell.toolset.fzf;
  defShell = config.${namespace}.shell.default;
in
{
  options.${namespace}.shell.toolset.fzf = {
    enable = mkEnableOption "TUI Fuzzy Finder.";
  };

  config = mkIf cfg.enable {
    home.packages = with pkgs; [ fzf ];

    programs.fzf = {
      enable = true;
      enableBashIntegration = true;
      enableZshIntegration = defShell == "zsh";
      enableFishIntegration = defShell == "fish";

      tmux.enableShellIntegration = true;
      tmux.shellIntegrationOptions = ["-d 40%"];

      defaultCommand = "fd --type f";
      defaultOptions = ["--height 40%" "--border"];

      changeDirWidgetCommand = "fd --type d";
      changeDirWidgetOptions = ["--preview 'tree -C {} | head -200'"];

      fileWidgetCommand = "fd --type f";
      fileWidgetOptions = ["--preview 'head {}'"];
      historyWidgetOptions = ["--sort" "--exact"];
    };
  };
}