nixcfg/hosts/leviathan/configuration.nix

{
  config,
  lib,
  pkgs,
  ...
}: let
  zfsCompatibleKernelPackages =
    lib.filterAttrs (
      name: kernelPackages:
        (builtins.match "linux_[0-9]+_[0-9]+" name)
        != null
        && (builtins.tryEval kernelPackages).success
        && (!kernelPackages.${config.boot.zfs.package.kernelModuleAttribute}.meta.broken)
    )
    pkgs.linuxKernel.packages;
  latestKernelPackage = lib.last (
    lib.sort (a: b: (lib.versionOlder a.kernel.version b.kernel.version)) (
      builtins.attrValues zfsCompatibleKernelPackages
    )
  );
in {
  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix

    ../common
    (import ../../modules).leviathan
  ];

  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.kernelPackages = lib.mkForce latestKernelPackage;
  boot.supportedFilesystems = ["zfs"];

  networking = {
    useDHCP = false;
    hostName = "leviathan";
    hostId = "abcd1234";
    interfaces.enp1s0.useDHCP = true;

    nameservers = [
      "1.1.1.1"
    ];

    firewall.allowedTCPPorts = [8000 8123 8095];
  };

  environment.systemPackages = with pkgs; [
    helix
    kitty # For terminfo
    lazygit
  ];

  containers.radarr = {
    autoStart = true;
    bindMounts = {
      "/data" = {
        hostPath = "/store/media";
        mountPoint = "/store/media";
        isReadOnly = false;
      };
    };
    config = {
      config,
      pkgs,
      lib,
      ...
    }: {
      services.radarr = {
        enable = true;
        user = "root";
        group = "root";
      };
      system.stateVersion = "24.11";
    };
  };

  services.openssh.settings.PermitRootLogin = "yes";

  security.rtkit.enable = true;

  users.groups."media".name = "media";

  services = {
    copyparty = {
      enable = true;
      settings = {
        i = "100.64.214.3";
      };
      accounts = {
      };
      volumes = {
        "/" = {
          path = "/srv/copyparty";
          access = {
            rw = "*";
          };
        };
      };
    };

    jellyfin = {
      enable = true;
      group = "media";
    };

    music-assistant = {
      enable = true;
      providers = [
        "builtin_player"
        "chromecast"
        "hass"
        "hass_players"
        "soundcloud"
        "spotify"
        "spotify_connect"
        "ytmusic"
      ];
    };

    pipewire = {
      enable = true;
      pulse.enable = true;
      alsa.enable = true;
      alsa.support32Bit = true;
      wireplumber.enable = true;
    };
  };

  programs.virt-manager.enable = true;

  virtualisation = {
    libvirtd = {
      enable = true;
      allowedBridges = ["br0"];
    };

    oci-containers = {
      backend = "podman";
      containers.homeassistant = {
        volumes = ["home-assistant:/config"];
        environment.TZ = "Europe/Berlin";
        image = "ghcr.io/home-assistant/home-assistant:2025.10.2";
        extraOptions = [
          # Use the host network namespace for all sockets
          "--network=host"
          # Pass devices into the container, so Home Assistant can discover and make use of them
          "--device=/dev/ttyUSB0:/dev/ttyUSB0"
        ];
      };
    };
  };

  # systemd.services.libvirt-default-network = {
  #   description = "Start libvirt bridge network";
  #   after = ["libvirtd.service"];
  #   wantedBy = ["multi-user.target"];
  #   serviceConfig = {
  #     Type = "oneshot";
  #     RemainAfterExit = true;
  #     ExecStart = "${pkgs.libvirt}/bin/virsh net-start bridged-network";
  #     ExecStop = "${pkgs.libvirt}/bin/virsh net-destroy bridged-network";
  #     User = "root";
  #   };
  # };

  # systemd.services.libvirt-home-assistant = {
  #   description = "Start home assistant VM";
  #   after = ["libvirt-default-network.service"];
  #   wantedBy = ["multi-user.target"];
  #   serviceConfig = {
  #     Type = "oneshot";
  #     RemainAfterExit = true;
  #     ExecStart = "${pkgs.libvirt}/bin/virsh start hass";
  #     ExecStop = "${pkgs.libvirt}/bin/virsh destroy hass";
  #     User = "root";
  #   };
  # };

  system.stateVersion = "25.05"; # Did you read the comment?
}