{ config, pkgs, lib, options, ... }:
with builtins // lib;
let
  cfg = config.kfmon;
in {
  options.kfmon = {
    enable = mkEnableOption "KFMon";

    path = mkOption {
      type = types.str;
      default = ".adds/kfmon";
      description = "Relative path to kfmon within src";
    };

    file = mkOption {
      type = options.file.type;
      default = {};
      description = "Files relative to ${cfg.path}";
    };
  };

  config = mkIf cfg.enable {
    file = mapAttrs' (n: v: {
      name = "kfmon-${n}";
      value = v // {
        target = "${cfg.path}/${v.target}";
      };
    }) cfg.file
  };
}