_darwin.nix

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

let
  cfg = config.my.deviceManager;

  identifier = "com.nix.managed.profile";

  nixProfile = lib.generators.toPlist { escape = true; } {
    PayloadDisplayName = "Nix Profile";
    PayloadUUID = identifier;
    PayloadIdentifier = identifier;
    PayloadOrganization = config.my.user.name;
    PayloadType = "Configuration";
    PayloadScope = "System"; # Default is User
    PayloadVersion = 1;
    PayloadContent = map (
      profile:
      profile.payload
      // {
        PayloadDisplayName = profile.name;
        PayloadUUID = profile.domain;
        PayloadIdentifier = profile.domain;
        PayloadType = profile.domain;
        PayloadVersion = 1;
      }
    ) cfg.profiles;
  };

  warn = "${lib.getExe pkgs.gum} style --foreground 3";

  # https://archive.is/948rD
  openPreferences = pane: ''
    /usr/bin/open "x-apple.systempreferences:${pane}"
  '';
in

{
  options.my.deviceManager = with lib; {
    profiles = mkOption {
      type = types.listOf (
        types.submodule {
          options = {
            name = mkOption {
              type = types.str;
              example = "Google Chrome";
            };

            domain = mkOption {
              type = types.str;
              example = "com.google.Chrome";
            };

            payload = mkOption {
              type = types.attrsOf types.anything;
            };
          };
        }
      );

      default = [
        {
          name = "placeholder";
          domain = "com.placeholder";
          payload = { };
        }
      ];
    };
  };

  config = {
    home.file."nix.mobileconfig" = {
      text = nixProfile;
      force = true;
      onChange = ''
        ${warn} "Device Manager: ~/nix.mobileconfig has chanaged. Install the \
        new profile via system preferences for changes to take affect."

        ${openPreferences "com.apple.preferences.configurationprofiles"}
      '';
    };
  };
}