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

{
  imports = [
    "${modulesPath}/installer/cd-dvd/installation-cd-minimal.nix"
  ];

  networking.useDHCP = lib.mkDefault true;
  time.timeZone = "Australia/Brisbane";

  services.openssh.enable = true;
  services.openssh.settings.PermitRootLogin = "yes";

  environment.systemPackages = with pkgs; [
    git curl parted e2fsprogs btrfs-progs util-linux
  ];

  environment.etc."flake-url".text = "git+https://gitea.lan.ddnsgeek.com/beatzaplenty/nixos.git#nixos";

environment.etc."git-credentials".text = 
  "https://beatzaplenty:2b7e178eeee4af437fc721295d59e9e19366fd02@gitea.lan.ddnsgeek.com";
#programs.git.enable = true;
#programs.git.extraConfig."credential.helper" = "store --file=/etc/git-credentials";
  programs.git = {
    enable = true;
    package = pkgs.git;
    config = {
      credential.helper = "store --file=/etc/git-credentials";
    };
  };


  systemd.services.autoInstall = {
    description = "Automatic NixOS installation";
    wantedBy = [ "multi-user.target" ];
    after = [ "network-online.target" ];
    path = [
      pkgs.parted
      pkgs.util-linux
      pkgs.e2fsprogs
      pkgs.nixos-install
      pkgs.nix
      pkgs.git
    ];    
    serviceConfig = {
      Type = "oneshot";
      ExecStart = pkgs.writeShellScript "auto-install.sh" ''
        set -eux
        #create MBR table
        parted /dev/sda -- mklabel msdos
        #create nixos partition
        parted /dev/sda -- mkpart primary 1MB -8GB
        #set nixos partition to bootable
        parted /dev/sda -- set 1 boot on
        # create swap partition
        parted /dev/sda -- mkpart primary linux-swap -8GB 100%

        #format OS partition
        mkfs.ext4 -L nixos /dev/sda1
        #format swap
        mkswap -L swap /dev/sda2

        #activate swap
        swapon /dev/sda2

        #mount nixos partition
        mount /dev/disk/by-label/nixos /mnt
      # Choose a disk-backed temp directory
        mkdir -p /mnt/install-tmp
        export TMPDIR=/mnt/install-tmp

        nixos-install --flake "$(cat /etc/flake-url)" --no-root-password
        rm -r /mnt/install-tmp
        sleep 10
        reboot
      '';
    };  
  };
}