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

let
  cfg = config.local.services.lan-mouse;

  # See: https://github.com/feschber/lan-mouse/blob/main/src/config.rs#L79
  lanMouseConfig = pkgs.writeText "config.toml" ''
    port = ${toString cfg.port}
  '';
in
{
  options.local.services.lan-mouse = with lib; {
    enable = mkEnableOption "lan-mouse";
    port = mkOption {
      type = types.int;
      default = 4242;
    };
  };

  config = lib.mkIf cfg.enable {
    programs.lan-mouse = {
      enable = true;
      systemd = true;
      package = pkgs.unstable.lan-mouse;
    };

    xdg.configFile."lan-mouse/config.toml".source = lanMouseConfig;
  };
}