# ISO Installer Configuration
{
  config,
  lib,
  pkgs,
  modulesPath,
  inputs,
  ...
}: {
  imports = [
    "${modulesPath}/installer/cd-dvd/installation-cd-minimal.nix"
    "${modulesPath}/installer/cd-dvd/channel.nix"
  ];

  # ISO naming
  isoImage.isoName = "nomarchy-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}.iso";
  isoImage.volumeID = "NOMARCHY";

  # Boot settings - use LTS kernel for ISO stability
  boot.kernelPackages = pkgs.linuxPackages;

  # Disable ZFS (broken with latest kernels)
  boot.supportedFilesystems = lib.mkForce ["btrfs" "reiserfs" "vfat" "f2fs" "xfs" "ntfs" "cifs" "ext4"];

  # Limine bootloader for ISO (commented out until properly configured)
  # boot.loader.limine.enable = true;

  # Enable SSH for headless installs
  services.openssh = {
    enable = true;
    settings.PermitRootLogin = "yes";
  };

  # Networking
  networking = {
    hostName = "nomarchy-installer";
    networkmanager.enable = true;
    wireless.enable = lib.mkForce false;
  };

  # Installer environment packages
  environment.systemPackages = with pkgs; [
    # Disk partitioning
    parted
    gptfdisk
    dosfstools
    cryptsetup

    # Filesystem tools
    e2fsprogs
    btrfs-progs
    ntfs3g

    # Network
    networkmanager
    wpa_supplicant

    # TUI
    dialog
    newt  # provides whiptail

    # Utilities
    vim
    git
    curl
    wget
    jq

    # NixOS installation
    nixos-install-tools
  ];

  # Auto-login to installer
  services.getty.autologinUser = "nixos";

  # Welcome message
  environment.etc."motd".text = ''

    ╔═══════════════════════════════════════════════════════════╗
    ║                                                           ║
    ║   Welcome to the Nomarchy Installer                       ║
    ║                                                           ║
    ║   Run 'nomarchy-install' to begin installation            ║
    ║                                                           ║
    ║   For more information: https://github.com/blu/nomarchy   ║
    ║                                                           ║
    ╚═══════════════════════════════════════════════════════════╝

  '';

  # Copy installer script
  system.activationScripts.installer = ''
    mkdir -p /usr/local/bin
    cat > /usr/local/bin/nomarchy-install << 'INSTALLER'
    #!/usr/bin/env bash
    # Nomarchy ISO Installer - coming soon
    echo "ISO installer not yet implemented."
    echo "Please use the NixOS manual installation process,"
    echo "then run: nix run github:blu/nomarchy"
    INSTALLER
    chmod +x /usr/local/bin/nomarchy-install
  '';

  # User account
  users.users.nixos = {
    isNormalUser = true;
    extraGroups = ["wheel" "networkmanager"];
    initialPassword = "nomarchy";
  };

  # Allow passwordless sudo
  security.sudo.wheelNeedsPassword = false;

  # System state version
  system.stateVersion = "24.11";
}