{ config, lib, ... }:

let
  cfg = config.my.fs.luks;
in {
  options.my.fs.luks = {
    enable = lib.mkEnableOption null;
    device = lib.mkOption {
      type = lib.types.path;
      default = "/dev/disk/by-label/nixos-crypt";
    };
    name = lib.mkOption {
      type = lib.types.str;
      default = "nixos";
    };
  };

  config = lib.mkIf cfg.enable {
    my.fs.device = lib.mkDefault "/dev/mapper/${cfg.name}";

    boot.initrd.luks.devices.${cfg.name} = {inherit (cfg) device;};
  };
}