{
  config,
  lib,
  pkgs,
  username,
  ...
}:
let
  cfg = config.os.srv.i2p;
in
{
  options.os.srv.i2p = {
    enable = lib.mkEnableOption "enables i2pd";
    enableBrowser = lib.mkEnableOption "enables mullvad browser and creates a desktop entry";
  };

  config = lib.mkMerge [
    (lib.mkIf cfg.enable {
      services.i2pd = {
        enable = true;
        bandwidth = 1024;
        logLevel = "info";
        upnp.enable = true;
        proto = {
          i2pControl.enable = true;
          http.enable = true;
          httpProxy.enable = true;
          socksProxy = {
            enable = true;
            outproxyEnable = true;
          };
          sam.enable = true;
        };
        yggdrasil = {
          enable = true;
          # address = "";
        };
        ssu2 = {
          enable = true;
          # published = true;
        };
      };
    })
    (lib.mkIf cfg.enableBrowser {
      home-manager.users.${username} = {
        home.packages = [ pkgs.mullvad-browser ];
        xdg.desktopEntries = {
          i2p-browser = {
            name = "i2p Browser";
            genericName = "Web Browser";
            exec = "${pkgs.mullvad-browser}/bin/mullvad-browser -p i2p";
          };
        };
      };
    })
  ];
}