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

{
  nix.settings.substituters = 
  [
    "https://mirrors.ustc.edu.cn/nix-channels/store"
  ];
  imports =
    [
      ./hardware-configuration.nix
    ];

  boot.loader.grub = {
    enable = true;
    device = "nodev";
    copyKernels = true;
  };
  boot.loader.systemd-boot.enable = false;
  boot.kernelPackages = pkgs.linuxPackages_zen;
  #boot.loader.grub.device = "/dev/sda";
  
  networking.hostName = "kami";
  
  time.timeZone = "Asia/Shanghai";
  i18n.defaultLocale = "en_US.UTF-8";

  i18n.inputMethod = {
    enable = true;
    type = "fcitx5";
    fcitx5.addons = with pkgs; [
      qt6Packages.fcitx5-chinese-addons
      qt6Packages.fcitx5-configtool
      fcitx5-gtk
    ];
  };

  i18n.inputMethod.fcitx5.waylandFrontend = false;
  environment.sessionVariables = {
    GTK_IM_MODULE = "fcitx";
    QT_IM_MODULE = "fcitx";
    XMODIFIERS = "@im=fcitx";
    SDL_IM_MODULE = "fcitx";
    GLFW_IM_MODULE = "ibus";
  };
 
  users.users.kami = {
    isNormalUser = true;
    extraGroups = ["wheel"];
    hashedPassword = "$y$j9T$RVjZnG9S0wuu0sDCgoo2l1$TOrljjjbcxbJR/WfContG6GV1uLFvHZLxxI.hnR1AZ2";
  };

  environment.systemPackages = with pkgs; 
  [
   nano
   vim
   curl
   openssh
   htop
   git
   fastfetch
   lvm2
   wpa_supplicant
   dhcpcd
   networkmanager
   firefox
   screen
   noto-fonts
   noto-fonts-cjk-sans
   noto-fonts-color-emoji
   alsa-lib
   alsa-tools
   alsa-utils
   alsa-plugins
   alsa-firmware
  ];
   
  services.openssh.enable = true;
  services.openssh.settings.PasswordAuthentication = true;

  networking.firewall.enable = false;
  networking.networkmanager.enable = true;

  system.copySystemConfiguration = true;
 
  services.xserver.enable = true;
  services.xserver.displayManager.lightdm.enable = true;
  services.xserver.desktopManager.xfce.enable = true;
   
  system.stateVersion = "26.05";
}