{ pkgs, config, ... }:
let
  usr = if pkgs.stdenv.hostPlatform.isDarwin then "frank" else config.users.users.frank.name;
  grp = if pkgs.stdenv.hostPlatform.isDarwin then "admin" else config.users.users.frank.group;
  admgrp = if pkgs.stdenv.hostPlatform.isDarwin then "wheel" else "root";
in
{
  sops = {
    defaultSopsFile = ../.sops.yaml;

    age = {
      sshKeyPaths = [ ];
      keyFile =
        if pkgs.stdenv.isDarwin then "/usr/local/sops/age/keys.txt" else "/persist/sops/age/keys.txt";
    };

    secrets = {
      "password_hash" = {
        sopsFile = ../secrets/password-hash.yaml;
        owner = "root";
        group = admgrp;
        mode = "0400";
        neededForUsers = true;
      };

      "personal_ssh_key_ed25519" = {
        sopsFile = ../secrets/personal-ssh-key.yaml;
        key = "personal_ssh_key_ed25519";
        owner = usr;
        group = grp;
        mode = "0400";
      };

      "personal_ssh_key_ed25519.pub" = {
        sopsFile = ../secrets/personal-ssh-key.yaml;
        key = "personal_ssh_key_ed25519_pub";
        owner = usr;
        group = grp;
        mode = "0644";
      };

      "sapphire_ssh_key_ed25519" = {
        sopsFile = ../secrets/sapphire-ssh-key.yaml;
        key = "sapphire_ssh_key_ed25519";
        owner = usr;
        group = grp;
        mode = "0400";
      };

      "sapphire_ssh_key_ed25519.pub" = {
        sopsFile = ../secrets/sapphire-ssh-key.yaml;
        key = "sapphire_ssh_key_ed25519_pub";
        owner = usr;
        group = grp;
        mode = "0644";
      };

      "work_ssh_key_rsa" = {
        sopsFile = ../secrets/work-ssh-key.yaml;
        key = "work_ssh_key_rsa";
        owner = usr;
        group = grp;
        mode = "0400";
      };

      "work_ssh_key_rsa.pub" = {
        sopsFile = ../secrets/work-ssh-key.yaml;
        key = "work_ssh_key_rsa_pub";
        owner = usr;
        group = grp;
        mode = "0644";
      };
    };
  };

  environment.systemPackages = with pkgs; [
    sops
    age
  ];
}