{ config, pkgs, inputs, ... }:

{
  imports = [
    ./flatpak.nix
  ];

  # Common system configuration shared across all machines
  
  # User configuration (shared across all machines)
  users.users.zeph = {
    isNormalUser = true;
    description = "Zephrynis";
    extraGroups = [ "networkmanager" "wheel" "video" "audio" ];
    shell = pkgs.zsh;
  };

  # Enable zsh system-wide
  programs.zsh.enable = true;

  # Hyprland - Tiling Wayland compositor (shared configuration)
  programs.hyprland = {
    enable = true;
    xwayland.enable = true;
    package = inputs.hyprland.packages.${pkgs.system}.hyprland;
  };
  
  # Enable X11 for XWayland support
  services.xserver.enable = true;
  
  # Exclude xterm (we use alacritty instead)
  services.xserver.excludePackages = [ pkgs.xterm ];
  
  # Display manager - SDDM with Wayland support
  services.displayManager.sddm = {
    enable = true;
    wayland.enable = true;
  };

  # Fonts (shared across all machines)
  fonts.packages = with pkgs; [
    noto-fonts
    noto-fonts-cjk-sans
    noto-fonts-emoji
    liberation_ttf
    fira-code
    fira-code-symbols
    nerd-fonts.fira-code
    nerd-fonts.jetbrains-mono
    nerd-fonts.iosevka
  ];
  
  # Bootloader
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # Networking
  networking.networkmanager.enable = true;

  # Timezone and locale
  time.timeZone = "Europe/London";
  i18n.defaultLocale = "en_US.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "en_US.UTF-8";
    LC_IDENTIFICATION = "en_US.UTF-8";
    LC_MEASUREMENT = "en_US.UTF-8";
    LC_MONETARY = "en_US.UTF-8";
    LC_NAME = "en_US.UTF-8";
    LC_NUMERIC = "en_US.UTF-8";
    LC_PAPER = "en_US.UTF-8";
    LC_TELEPHONE = "en_US.UTF-8";
    LC_TIME = "en_US.UTF-8";
  };

  # Enable sound
  services.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
  };

  # Enable CUPS for printing
  services.printing.enable = true;

  # Enable bluetooth
  hardware.bluetooth = {
    enable = true;
    powerOnBoot = true;
    settings = {
      General = {
        Enable = "Source,Sink,Media,Socket";
      };
    };
  };
  services.blueman.enable = true;

  # Enable OpenGL
  hardware.graphics = {
    enable = true;
    enable32Bit = true;
  };

  # System-wide packages
  environment.systemPackages = with pkgs; [
    vim
    wget
    curl
    git
    htop
    neofetch
    unzip
    zip
  ];

  # Enable flakes
  nix.settings.experimental-features = [ "nix-command" "flakes" ];
  
  # Hyprland Cachix binary cache
  nix.settings = {
    substituters = [
      "https://cache.nixos.org"
      "https://hyprland.cachix.org"
    ];
    trusted-public-keys = [
      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
      "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
    ];
  };

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # Enable networking
  networking.firewall.enable = true;

  # System state version
  system.stateVersion = "25.05";
}