{ config, pkgs, lib, inputs, ... }:
{
  imports = [ inputs.nix-minecraft.nixosModules.minecraft-servers ];
  nixpkgs.overlays = [ inputs.nix-minecraft.overlay ];

  services.minecraft-servers = {
    enable = true;
    eula = true;
    openFirewall = true;
    dataDir = "/var/lib/minecraft-wack";

    servers.wack = {
      enable = true;
      jvmOpts = "-Xms4G -Xmx4G";

      package = pkgs.fabricServers.fabric-1_20_4;

      serverProperties = {
        motd = "WackAttack M1n3cr4f7";
        white-list = true;
        difficulty = "normal";
        view-distance = 16;
        simulation-distance = 16;
        enable-command-block = true;
        enable-rcon = true;
        "rcon.password" = "wack";
      };

      symlinks = {
        mods = pkgs.linkFarmFromDrvs "mods" (builtins.attrValues {
          FabricAPI = pkgs.fetchurl {
            url = "https://cdn.modrinth.com/data/P7dR8mSH/versions/JMCwDuki/fabric-api-0.92.0%2B1.20.4.jar";
            sha256 = "sha256-7U0BK5CBENWY4s3t+dXTASprIeY4Tdeyzc06lNGkc/Q=";
          };
          Lithium = pkgs.fetchurl {
            url = "https://cdn.modrinth.com/data/gvQqBUqZ/versions/nMhjKWVE/lithium-fabric-mc1.20.4-0.12.1.jar";
            sha256 = "sha256-as1JWV7mnhJkz8eYmPVpRS5BvWaYVGf8s40oBBka880=";
          };
          MCDiscordChat = pkgs.fetchurl {
            url = "https://cdn.modrinth.com/data/D0sHdnXY/versions/tldGNWOW/MC-Discord-Chat-2.2.5.jar";
            sha256 = "sha256-WK02gRNbTjbjQSIlWHP4aBSeGTZxtXwwbqt9fa7AJTA=";
          };
          SimpleVoiceChat = pkgs.fetchurl {
            url = "https://cdn.modrinth.com/data/9eGKb6K1/versions/UIZXn9t1/voicechat-fabric-1.20.4-2.4.32.jar";
            sha256 = "sha256-BZMK7Y8uaw1MvtQC1MXblsaaHy100a59KxSs4P0fjXE=";
          };
        });
      };

      whitelist = {
        "_Oblivion" = "289be565-d73e-4cb1-a047-dcc319acdc80";
        Crisju = "8b77dc43-27ba-4710-bbfd-4e01e6ec7461";
        Dandellion = "f393413b-59fc-49d7-a5c4-83a5d177132c";
        Taschmex = "a3a258b0-901f-43d9-b130-dad3b29cd7ee";
        guy_montag = "cb8aa890-a5a3-41f2-9bb7-1edb20c5a31f";
        koppern = "3450494c-b945-4fa2-938c-5519adec005f";
        krloer = "ab3029e2-76b6-4219-854e-16091fe5e421";
        tictac1255 = "bab1f702-0e8b-4b98-8cce-bbfaed534d13";
      };
    };
  };

  # TODO: Automated backup job (https://git.pvv.ntnu.no/Drift/pvv-nixos-config/src/commit/57d1dfd121fdb23fcef54e0632f6f6278c6bb753/hosts/greddost/services/minecraft/default.nix#L144)

  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
    "minecraft-server"
  ];

  networking.firewall.allowedUDPPorts = [ 24454 ];
}