# ready to use customization templates to apply on images
{ pkgs, lib, system, commons, ... }:
with commons;
with scriptsNFiles;
{
  # essential functionalities like ssh, networking etc
  essentials = {
    install = [ "htop" "openssh-server" "inetutils-ping" "dnsutils" "cloud-guest-utils" "qemu-guest-agent" ];
    commands = ''
      upload ${grub-ifnames-0}:/etc/default/grub.d/90-ifnames-0.cfg
      upload ${grub-disable-microcode}:/etc/default/grub.d/00-disable-microcode.cfg
      run-command mount /boot/efi && update-grub
      upload ${eth0-dhcp-network}:/etc/systemd/network/00-eth0-dhcp.network
      run ${ssh-service-override-conf-create}
      upload ${grow-root-sh}:/usr/local/sbin/grow-root.sh
      upload ${grow-root-service}:/etc/systemd/system/grow-root.service
      run-command systemctl enable grow-root.service
    '';
  };

  # set easy root access
  rooted = {
    install = [ "openssh-server" ];
    commands = ''
      run ${ssh-service-override-conf-create}
    '';
    run = ''
      # set root password and ssh access
      echo "root:root" | chpasswd
      sed -i '/PasswordAuthentication no/d' "/etc/ssh/sshd_config"
      echo "PasswordAuthentication yes\nPermitRootLogin yes" >> "/etc/ssh/sshd_config"
    '';
  };

  # install proxmox
  proxmoxOnDebian12 = {
    diskSize = "+2G";
    smp = 4;
    memSize = 4096;
    install = [ "cloud-guest-utils" ];
    commands = ''
      upload ${grow-root-sh}:/usr/local/sbin/grow-root.sh
      upload ${grow-root-service}:/etc/systemd/system/grow-root.service
      run-command systemctl enable grow-root.service
    '';
    run = ''
      # script originally taken from https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_12_Bookworm
      # exit if error
      set -e

      # grow root partition
      /usr/local/sbin/grow-root.sh

      # mount efi for grub changes
      mount /boot/efi

      # add proxmox repo
      echo "deb [arch=amd64] http://download.proxmox.com/debian/pve bookworm pve-no-subscription" > /etc/apt/sources.list.d/pve-install-repo.list
      wget https://enterprise.proxmox.com/debian/proxmox-release-bookworm.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg
      apt-get update && apt full-upgrade -y --no-install-recommends;

      # necessary precursors
      echo "0.0.0.0\t\t`cat /etc/hostname`" >> /etc/hosts; # necessary for SSL certificate creation
      mkdir -p /run/network; # bug https://github.com/CumulusNetworks/ifupdown2/issues/276

      # install
      apt install -y proxmox-default-kernel proxmox-ve postfix open-iscsi chrony --no-install-recommends;

      # remove previous kernels
      apt remove -y os-prober linux-image-amd64 'linux-image-6.*';
    '';
  };
}