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


{
  imports = [
    ./hardware-configuration.nix
  ];

  nix.settings = {
    substituters = [
      "https://cache.nixos.org/"
    ];

    trusted-public-keys = [
      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
    ];
    experimental-features = [
        "nix-command"
        "flakes"
      ];
  };


  # === System Settings ===
  boot.kernelPackages = pkgs.linuxPackages_latest;
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.systemd-boot.configurationLimit = 5;
  networking.hostName = "kronos";
  networking.networkmanager.enable = true;

  fileSystems."/boot".options = [ "fmask=0077" "dmask=0077" ];

  hardware.bluetooth = {
    enable = true;
    powerOnBoot = true;
    settings = {
      General = {
        Experimental = true;
	Enable = "Source,Sink,Media,Socket";
	AutoConnect = true;
	FastConnectabke = true;
      };
      Policy.AutoEnable = true;
    };
  };

  security.pam.sshAgentAuth.enable = true;

# In your configuration.nix
environment.variables = {
  JAVA_HOME = "${pkgs.jdk17}/lib/openjdk";  # adjust path based on version
};

  time.timeZone = "Europe/Prague";

  services.xserver = {
    wacom.enable = true;
    enable = true;
    windowManager.i3 = {
      enable = true;
      extraPackages = with pkgs; [ polybar  i3lock-fancy-rapid ];
    };
    
  };

    services.displayManager.defaultSession = "none+i3";
  services.displayManager.ly = {
	enable = true;
  };
  services.xserver.xkb.layout = "cz";
  services.xserver.xkb.options = "eurosign:e,caps:escape";

  services.printing.enable = true;
  services.pipewire = { enable = true; pulse.enable = true; };
  services.libinput.enable = true;

    users.users = {
  mun = {
    isNormalUser = true;
    extraGroups = [ "wheel" "bluetooth" "networkmanager" "kvm" ];
    packages = with pkgs; [ tree ];
    shell = pkgs.zsh;
  };
};

  programs.firefox.enable = true;
  programs.zsh.enable = true;
  nixpkgs.config.allowUnfree = true;

  environment.systemPackages = with pkgs; [
    neovim wget stdenv tree-sitter discord kitty xfce.thunar thunderbird
    flameshot libreoffice spotify tor-browser alsa-utils helvum
    blueman bluez cava i3status i3lock-fancy-rapid xss-lock polybar
    rofi feh clipman tree git lazygit killall acpi wirelesstools
    brightnessctl fastfetch auto-cpufreq btop cargo gnome-boxes
    clippy xclip texstudio  godotPackages_4_5.godot 
     clang tree-sitter ripgrep fd unzip lua-language-server stylua
    rust-analyzer rustfmt cargo rustc zathura krita
    ruff vtsls pyright imagemagick ghostscript ruff python314 ly
    prismlauncher vlc lua53Packages.luarocks mermaid-cli lua nil obsidian
    wine bottles comic-mono playerctl zscroll espeak qbittorrent perl bzip2
    libresprite audacity libgcc celestia lutris vscodium peazip vscode

    (texlive.combine {
	  inherit (texlive) scheme-full;
	  notestex = texlivePackages.notestex;
	})


    (retroarch.withCores (cores: with cores; [
    # --- NES --- #
    fceumm

    # --- GBA --- #
    mgba

    # --- GB / GBC --- #
    gambatte
    sameboy
  ])) 
    
  ];

  fonts = {
    enableDefaultPackages = true;
    packages = with pkgs; [ fira-code noto-fonts noto-fonts-color-emoji blackout beon];
  };

  programs.steam = {
  enable = true;
  remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
  dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
  localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
  };

   # enable Java support
  programs.java = {
    enable = true;
    package = pkgs.jdk17;  # or pkgs.jdk11, pkgs.jdk8, whatever you need
  };

  services.xserver.videoDrivers = [ "intel" ];

  hardware.graphics = {
  enable = true;
  extraPackages = with pkgs; [
    intel-vaapi-driver # for video acceleration on Intel
    intel-media-driver
    intel-compute-runtime
    mesa
    ];
  };



  services.openssh.enable = true;



  system.copySystemConfiguration = true;
  system.stateVersion = "25.11";

}