{ pkgs, ... }: {
  networking.hostName = "poppy";

  # Allow unfree packages (some macOS-ported tools need it)
  nixpkgs.config.allowUnfree = true;

  system.primaryUser = "michaotic";

  # nix settings
  nix.settings.experimental-features = [
    "nix-command"
    "flakes"
  ];

  users.users.michaotic = {
    home = "/Users/michaotic";
    shell = pkgs.zsh;
  };

  environment.systemPackages = [
    pkgs.vim
  ];

  # Homebrew - CRITICAL: cleanup = "zap" means unused casks get removed!
  homebrew.enable = true;
  homebrew.onActivation.cleanup = "zap";
  
  homebrew.taps = [
    "tw93/tap"
    "typewhisper/tap"
  ];

  homebrew.brews = [
    "kew"
    "mole"
  ];

  homebrew.casks = [
    "google-chrome"
    "google-drive"
    "krishkrosh/apps/trackweight"
    "bitwarden"
    "marta"
    "vscodium"
    "github"
    "docker-desktop"
    "ollama-app"
    "opencode-desktop"
    "microsoft-word"
    "microsoft-excel"
    "microsoft-powerpoint"
    "obsidian"
    "anki"
    "calibre"
    "telegram"
    "maccy"
    "mos"
    "caffeine"
    "typewhisper/tap/typewhisper"
    "lunacy"
    "skim"
  ];

  # System defaults
  system.defaults = {
    NSGlobalDomain.AppleInterfaceStyle = "Dark";
    NSGlobalDomain._HIHideMenuBar = false;

    CustomUserPreferences = {
      "com.apple.HIToolbox" = {
        AppleEnabledInputSources = [
          {
            InputSourceKind = "Keyboard Layout";
            "KeyboardLayout ID" = 0;
            "KeyboardLayout Name" = "U.S.";
          }
          {
            "Bundle ID" = "com.apple.CharacterPaletteIM";
            InputSourceKind = "Non Keyboard Input Method";
          }
          {
            InputSourceKind = "Keyboard Layout";
            "KeyboardLayout ID" = 19456;
            "KeyboardLayout Name" = "Russian";
          }
        ];
        AppleSelectedInputSources = [
          {
            InputSourceKind = "Keyboard Layout";
            "KeyboardLayout ID" = 0;
            "KeyboardLayout Name" = "U.S.";
          }
        ];
      };

      "com.apple.symbolichotkeys".AppleSymbolicHotKeys = {
        "28" = {
          enabled = 1;
          value = {
            type = "standard";
            parameters = [ 51 20 1441792 ];
          };
        };
        "29" = {
          enabled = 1;
          value = {
            type = "standard";
            parameters = [ 51 20 1179648 ];
          };
        };
        "30" = {
          enabled = 1;
          value = {
            type = "standard";
            parameters = [ 52 21 1441792 ];
          };
        };
        "31" = {
          enabled = 1;
          value = {
            type = "standard";
            parameters = [ 52 21 1179648 ];
          };
        };
      };

      "NSGlobalDomain" = {
        "AppleMenuBarVisibleInFullscreen" = true;
      };
    };

    controlcenter = {
      BatteryShowPercentage = true;
    };

    trackpad = {
      Clicking = true;
      TrackpadThreeFingerDrag = false;
      TrackpadRightClick = true;
    };

    finder = {
      AppleShowAllExtensions = true;
      ShowPathbar = true;
      ShowStatusBar = true;
      FXPreferredViewStyle = "clmv";
      NewWindowTarget = "Home";
      ShowExternalHardDrivesOnDesktop = false;
      ShowHardDrivesOnDesktop = false;
      FXEnableExtensionChangeWarning = false;
      _FXShowPosixPathInTitle = true;
    };

    dock = {
      tilesize = 48;
      largesize = 64;
      magnification = true;
      orientation = "bottom";
      mineffect = "scale";
      autohide = true;
      autohide-time-modifier = 0.8;
      show-recents = false;
      show-process-indicators = true;
      static-only = false;
      wvous-tl-corner = 1;
      wvous-tr-corner = 4;
      wvous-bl-corner = 1;
      wvous-br-corner = 1;
      persistent-apps = [
        "/System/Applications/System Settings.app"
        "/Applications/Google Chrome.app"
        "/System/Applications/Mail.app"
        "/Applications/Telegram.app"
        "/System/Applications/Calendar.app"
        "/Applications/Obsidian.app"
        "/Applications/VSCodium.app"
        "/Users/michaotic/Applications/Home Manager Apps/kitty.app"
        "/System/Applications/Books.app"
        "/System/Applications/QuickTime Player.app"
      ];
    };
  };

  system.activationScripts.postActivation.text = ''
    echo "Restarting Dock..."
    sudo -u michaotic /usr/bin/killall Dock
  '';

  # Touch ID for sudo
  security.pam.services.sudo_local.touchIdAuth = true;

  system.stateVersion = 7;

  # Home-manager configuration specific to poppy
  home-manager.users.michaotic = {
    imports = [ ../../home/kitty.nix ];

    programs.zsh.shellAliases = {
      switch = "darwin-rebuild switch --flake .#poppy";
      update = "nix flake update && darwin-rebuild switch --flake .#poppy";
      cleanup = "nix-collect-garbage -d";
    };
  };
}