# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page, on
# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).

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

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
    ];

  # Use the GRUB 2 boot loader.
  boot.loader.grub.enable = true;
  # boot.loader.grub.efiSupport = true;
  # boot.loader.grub.efiInstallAsRemovable = true;
  # boot.loader.efi.efiSysMountPoint = "/boot/efi";
  # Define on which hard drive you want to install Grub.
  boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only

  # networking.hostName = "nixos"; # Define your hostname.

  # Configure network connections interactively with nmcli or nmtui.
  networking.networkmanager.enable = true;

  # Set your time zone.
  # time.timeZone = "Europe/Amsterdam";

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Select internationalisation properties.
  # i18n.defaultLocale = "en_US.UTF-8";
  # console = {
  #   font = "Lat2-Terminus16";
  #   keyMap = "us";
  #   useXkbConfig = true; # use xkb.options in tty.
  # };

  # Enable the X11 windowing system.
  # services.xserver.enable = true;


  

  # Configure keymap in X11
  # services.xserver.xkb.layout = "us";
  # services.xserver.xkb.options = "eurosign:e,caps:escape";

  # Enable CUPS to print documents.
  # services.printing.enable = true;

  # Enable sound.
  # services.pulseaudio.enable = true;
  # OR
  # services.pipewire = {
  #   enable = true;
  #   pulse.enable = true;
  # };

  # Enable touchpad support (enabled default in most desktopManager).
  # services.libinput.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  # users.users.alice = {
  #   isNormalUser = true;
  #   extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
  #   packages = with pkgs; [
  #     tree
  #   ];
  # };

  # programs.firefox.enable = true;

  # List packages installed in system profile.
  # You can use https://search.nixos.org/ to find more packages (and options).

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  # List services that you want to enable:



  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  # system.copySystemConfiguration = true;

  # This option defines the first version of NixOS you have installed on this particular machine,
  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
  #
  # Most users should NEVER change this value after the initial install, for any reason,
  # even if you've upgraded your system to a new NixOS release.
  #
  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
  # to actually do that.
  #
  # This value being lower than the current NixOS release does NOT mean your system is
  # out of date, out of support, or vulnerable.
  #
  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
  # and migrated your data accordingly.
  #
  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
  system.stateVersion = "25.11"; # Did you read the comment?


  # Custom part start
  environment.systemPackages = with pkgs; [
    neovim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
    wget
    tmux
    git
    curl
    unzip
    xz
    nginx
  ];

  # Enable the OpenSSH daemon.
  services.openssh = {
    enable = true;
    ports = [ 22 ];
  };

  users.users.h3lp = {
    isNormalUser = true;
    home = "/home/h3lp";
    description = "Personal account";
    extraGroups = [
      "wheel"
      "networkmanager"
      "h3lp"
    ];
    openssh.authorizedKeys.keys = [ "ssh-rsa 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 trilolol@trilolol-LINUX" ];
    initialHashedPassword = "$y$j9T$ELYt.wXZ1vXZK0vBuTBI1/$WuYQxV.CanOyEvVAKC2AaAEY0KNTAnBgQ/RrPxaBAsB";
  };

  users.groups.h3lp.gid = 1000;

  networking.firewall.enable = false;

  systemd.services.minecraft-setup = {
    description = "Minecraft Server Initial Setup";
    wantedBy = [ "multi-user.target" ];
    after = [ "network-online.target" ];
    wants = [ "network-online.target" ];

    # Only run if setup hasn't been completed yet
    unitConfig.ConditionPathExists = "!/home/h3lp/mineserver/.setup-done";

    serviceConfig = {
      Type = "oneshot";
      User = "h3lp";
      RemainAfterExit = true;
    };

    script = ''
      set -e

      MINESERVER=/home/h3lp/mineserver
      TMPDIR=$(mktemp -d)

      # 1) Clone repo and checkout cavemen branch
      ${pkgs.git}/bin/git clone --branch cavemen \
        https://gitea.20111511.xyz/h3lp/autodeploy.git "$TMPDIR/autodeploy"

      # 2) Read env vars from minecraft.env
      source "$TMPDIR/autodeploy/minecraft.env"

      # 3) Download and extract server pack to /home/h3lp/mineserver
      mkdir -p "$MINESERVER"
      ${pkgs.curl}/bin/curl -L "$SERVERPACK" -o "$TMPDIR/serverpack.tar.xz"
      ${pkgs.xz}/bin/xz -d "$TMPDIR/serverpack.tar.xz" --stdout | ${pkgs.gnutar}/bin/tar -x -C "$MINESERVER"

      # 4) Download and extract world to /home/h3lp/mineserver/world
      mkdir -p "$MINESERVER/world"
      ${pkgs.curl}/bin/curl -L "$WORLD" -o "$TMPDIR/world.tar.xz"
      # world.tar.xz contains world folder, otherwise use "$MINESERVER/world"
      ${pkgs.xz}/bin/xz -d "$TMPDIR/world.tar.xz" --stdout | ${pkgs.gnutar}/bin/tar -x -C "$MINESERVER"

      # 5) Copy cavemen/* files over, overwriting existing
      cp -rf "$TMPDIR/autodeploy/cavemen/." "$MINESERVER/"
      chmod +x "$MINESERVER/nixrunserver.sh"

      # Cleanup and mark setup as done
      rm -rf "$TMPDIR"
      touch "$MINESERVER/.setup-done"
    '';
  };

  systemd.services.minecraft = {
    description = "Minecraft Server";
    wantedBy = [ "multi-user.target" ];
    after = [ "network.target" "minecraft-setup.service" ];  # wait for setup
    requires = [ "minecraft-setup.service" ];                # and fail if setup fails

    serviceConfig = {
      Type = "forking";
      User = "h3lp";
      WorkingDirectory = "/home/h3lp/mineserver";
      Environment = "PATH=/run/current-system/sw/bin:/usr/bin:/bin";
      ExecStart = "${pkgs.tmux}/bin/tmux new-session -d -s minecraft /home/h3lp/mineserver/nixrunserver.sh";
      ExecStop = "${pkgs.tmux}/bin/tmux send-keys -t minecraft 'stop' Enter";
      RemainAfterExit = true;
    };
  };

  services.nginx = {
    enable = true;
    virtualHosts."_" = {
      root = "/var/www/hostedfiles";
      locations."/" = {
        extraConfig = "autoindex on;";
      };
    };
  };

  systemd.tmpfiles.rules = [
    "d /var/www/hostedfiles 0755 h3lp h3lp -"
  ];
}